Ignite Creation Date:
2025-12-25 @ 3:28 AM
Ignite Modification Date:
2025-12-26 @ 2:09 AM
Study NCT ID:
NCT04506905
Status:
COMPLETED
Last Update Posted:
2024-10-02
First Post:
2020-08-06
Is NOT Gene Therapy:
False
Has Adverse Events:
True
Brief Title:
Safety, Tolerability, and Pharmacokinetics Study of MK-8189 in Participants With Schizophrenia and Healthy Participants (MK-8189-011)
Sponsor:
Organization:
Raw JSON
{'hasResults': True, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D012559', 'term': 'Schizophrenia'}], 'ancestors': [{'id': 'D019967', 'term': 'Schizophrenia Spectrum and Other Psychotic Disorders'}, {'id': 'D001523', 'term': 'Mental Disorders'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'C000729358', 'term': 'MK-8189'}]}}, 'resultsSection': {'moreInfoModule': {'pointOfContact': {'email': 'ClinicalTrialsDisclosure@merck.com', 'phone': '1-800-672-6372', 'title': 'Senior Vice President, Global Clinical Development', 'organization': 'Merck Sharp & Dohme LLC'}, 'certainAgreement': {'otherDetails': 'If publication activity is not directed by the Sponsor, the investigator agrees to submit all manuscripts or abstracts to the Sponsor before submission.', 'restrictionType': 'OTHER', 'piSponsorEmployee': False, 'restrictiveAgreement': True}}, 'adverseEventsModule': {'timeFrame': 'Up to approximately 27 days', 'description': 'All randomized participants received ≥1 dose of study therapy and are included in all cause mortality and safety assessment.', 'eventGroups': [{'id': 'EG000', 'title': 'MK-8189 8 mg', 'description': 'All participants who received MK-8189 8 mg are included.', 'otherNumAtRisk': 17, 'deathsNumAtRisk': 17, 'otherNumAffected': 5, 'seriousNumAtRisk': 17, 'deathsNumAffected': 0, 'seriousNumAffected': 0}, {'id': 'EG001', 'title': 'MK-8189 16 mg', 'description': 'All participants who received MK-8189 16 mg are included.', 'otherNumAtRisk': 36, 'deathsNumAtRisk': 36, 'otherNumAffected': 19, 'seriousNumAtRisk': 36, 'deathsNumAffected': 0, 'seriousNumAffected': 0}, {'id': 'EG002', 'title': 'MK-8189 24 mg', 'description': 'All participants who received MK-8189 24 mg are included.', 'otherNumAtRisk': 45, 'deathsNumAtRisk': 45, 'otherNumAffected': 26, 'seriousNumAtRisk': 45, 'deathsNumAffected': 0, 'seriousNumAffected': 0}, {'id': 'EG003', 'title': 'Placebo', 'description': 'All participants who received placebo are included.', 'otherNumAtRisk': 13, 'deathsNumAtRisk': 13, 'otherNumAffected': 6, 'seriousNumAtRisk': 13, 'deathsNumAffected': 0, 'seriousNumAffected': 0}, {'id': 'EG004', 'title': 'MK-8189 Total', 'description': 'All participants in Parts 1 and 2 who received any dose of MK-8189 are included.', 'otherNumAtRisk': 50, 'deathsNumAtRisk': 50, 'otherNumAffected': 36, 'seriousNumAtRisk': 50, 'deathsNumAffected': 0, 'seriousNumAffected': 0}, {'id': 'EG005', 'title': 'Total Participants', 'description': 'All study participants in Parts 1 and 2 are included.', 'otherNumAtRisk': 63, 'deathsNumAtRisk': 63, 'otherNumAffected': 42, 'seriousNumAtRisk': 63, 'deathsNumAffected': 0, 'seriousNumAffected': 0}], 'otherEvents': [{'term': 'Palpitations', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Cardiac disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Sinus tachycardia', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Cardiac disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Ear discomfort', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Ear and labyrinth disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Ocular hyperaemia', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Eye disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Constipation', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 0, 'numAffected': 0}], 'organSystem': 'Gastrointestinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Diarrhoea', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 3, 'numAffected': 3}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 4, 'numAffected': 3}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 4, 'numAffected': 3}], 'organSystem': 'Gastrointestinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Dyspepsia', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 2, 'numAffected': 2}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 3, 'numAffected': 3}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 3, 'numAffected': 3}], 'organSystem': 'Gastrointestinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Flatulence', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 0, 'numAffected': 0}], 'organSystem': 'Gastrointestinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Hypoaesthesia oral', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Gastrointestinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Nausea', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 3, 'numAffected': 3}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 3, 'numAffected': 3}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 3, 'numAffected': 3}], 'organSystem': 'Gastrointestinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Salivary hypersecretion', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 2, 'numAffected': 2}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 2, 'numAffected': 2}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 2, 'numAffected': 2}], 'organSystem': 'Gastrointestinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Vomiting', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 6, 'numAffected': 5}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 6, 'numAffected': 5}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 6, 'numAffected': 5}], 'organSystem': 'Gastrointestinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Fatigue', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'General disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Pain', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'General disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Conjunctivitis', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Infections and infestations', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Urinary tract infection', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 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'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 2, 'numAffected': 1}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 3, 'numAffected': 2}], 'organSystem': 'Investigations', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Liver function test increased', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 0, 'numAffected': 0}], 'organSystem': 'Investigations', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Decreased appetite', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 2, 'numAffected': 2}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 2, 'numAffected': 2}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 5, 'numAffected': 5}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 6, 'numAffected': 6}], 'organSystem': 'Metabolism and nutrition disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Hyponatraemia', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 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'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Muscle tightness', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Musculoskeletal and connective tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Musculoskeletal stiffness', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 2, 'numAffected': 2}], 'organSystem': 'Musculoskeletal and connective tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Myalgia', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 2, 'numAffected': 2}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 2, 'numAffected': 2}], 'organSystem': 'Musculoskeletal and connective tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Neck pain', 'stats': 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'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Skin and subcutaneous tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Rash maculo-papular', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Skin and subcutaneous tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Rash papular', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Skin and subcutaneous tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Skin disorder', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Skin and subcutaneous tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Skin irritation', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Skin and subcutaneous tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}, {'term': 'Skin lesion', 'stats': [{'groupId': 'EG000', 'numAtRisk': 17, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 36, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG002', 'numAtRisk': 45, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG003', 'numAtRisk': 13, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG004', 'numAtRisk': 50, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG005', 'numAtRisk': 63, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Skin and subcutaneous tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT', 'sourceVocabulary': 'MedDRA 25.0'}], 'frequencyThreshold': '0'}, 'outcomeMeasuresModule': {'outcomeMeasures': [{'type': 'PRIMARY', 'title': 'Part 1 & 2: Number of Participants Who Experienced an Adverse Event (AE)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '14', 'groupId': 'OG001'}, {'value': '0', 'groupId': 'OG002'}, {'value': '12', 'groupId': 'OG003'}, {'value': '0', 'groupId': 'OG004'}, {'value': '5', 'groupId': 'OG005'}, {'value': '13', 'groupId': 'OG006'}, {'value': '6', 'groupId': 'OG007'}, {'value': '7', 'groupId': 'OG008'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 1, Panel A: MK-8189 16 mg to 24 mg', 'description': 'Young adult participants with schizophrenia receive MK-8189 titrated from 16 mg (Days 1 to 3) to 24 mg (Days 4 to 7) QD for 7 days.'}, {'id': 'OG001', 'title': 'Part 1, Panel B: MK-8189 24 mg', 'description': 'Young adult participants with schizophrenia receive MK-8189 24 mg QD from Day 1 to Day 7.'}, {'id': 'OG002', 'title': 'Part 1, Panel C: MK-8189 8 mg t0 24 mg', 'description': 'Young adult participants with schizophrenia were planned to receive MK-8189 titrated from 8 mg to 24 mg QD over 7 days.'}, {'id': 'OG003', 'title': 'Part 2, Panel D: MK-8189 8 mg to 24 mg', 'description': 'Elderly adult participants with schizophrenia receive MK-8189 titrated from 8 mg (Days 1 to 3), to 16 mg (Days 4 to 7), to 24 mg (Days 7 to 13) QD over 13 days.'}, {'id': 'OG004', 'title': 'Part 2, Panel E: MK-8189 16 mg to 24 mg', 'description': 'Elderly adult participants with schizophrenia were intended to receive MK-8189 titrated from 16 mg to 24 mg QD, over 10 days.'}, {'id': 'OG005', 'title': 'Part 2, Panel F: MK-8189 8 mg to 24 mg', 'description': 'Healthy elderly adult participants receive receive MK-8189 titrated from 8 mg (Days 1 to 3), to 16 mg (Days 4 to 7), to 24 mg (Days 7 to 13) QD over 13 days.'}, {'id': 'OG006', 'title': 'Part 2, Panel G: MK-8189 16 mg to 24 mg', 'description': 'Healthy elderly adult participants receive MK-8189 titrated from 16 mg (Days 1 to 3), to 24 mg (Days 4 to 10) QD over 10 days.'}, {'id': 'OG007', 'title': 'Part 1: Placebo', 'description': 'Young adult participants with schizophrenia receive placebo matched to MK-8189 QD for 7 days.'}, {'id': 'OG008', 'title': 'Part 2: Placebo', 'description': 'Elderly participants with schizophrenia and heathy elderly participants receive placebo matched to MK-8189 for up to 13 days.'}], 'classes': [{'categories': [{'measurements': [{'value': '4', 'groupId': 'OG000'}, {'value': '9', 'groupId': 'OG001'}, {'value': '3', 'groupId': 'OG003'}, {'value': '2', 'groupId': 'OG005'}, {'value': '8', 'groupId': 'OG006'}, {'value': '2', 'groupId': 'OG007'}, {'value': '4', 'groupId': 'OG008'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': 'Up to approximately 27 days', 'description': 'The number of participants with ≥1 AE is reported. An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention.', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED', 'populationDescription': 'All randomized and treated participants are included.'}, {'type': 'PRIMARY', 'title': 'Part 1 & 2: Number of Participants Discontinuing Study Treatment Due to an AE', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '14', 'groupId': 'OG001'}, {'value': '0', 'groupId': 'OG002'}, {'value': '12', 'groupId': 'OG003'}, {'value': '0', 'groupId': 'OG004'}, {'value': '5', 'groupId': 'OG005'}, {'value': '13', 'groupId': 'OG006'}, {'value': '6', 'groupId': 'OG007'}, {'value': '7', 'groupId': 'OG008'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 1, Panel A: MK-8189 16 mg to 24 mg', 'description': 'Young adult participants with schizophrenia receive MK-8189 titrated from 16 mg (Days 1 to 3) to 24 mg (Days 4 to 7) QD for 7 days.'}, {'id': 'OG001', 'title': 'Part 1, Panel B: MK-8189 24 mg', 'description': 'Young adult participants with schizophrenia receive MK-8189 24 mg QD for 7 days.'}, {'id': 'OG002', 'title': 'Part 1, Panel C: MK-8189 8 mg t0 24 mg', 'description': 'Young adult participants with schizophrenia were planned to receive MK-8189 titrated from 8 mg to 24 mg QD over 7 days.'}, {'id': 'OG003', 'title': 'Part 2, Panel D: MK-8189 8 mg to 24 mg', 'description': 'Elderly adult participants with schizophrenia receive MK-8189 titrated from 8 mg (Days 1 to 3), to 16 mg (Days 4 to 7), to 24 mg (Days 7 to 13) QD over 13 days.'}, {'id': 'OG004', 'title': 'Part 2, Panel E: MK-8189 16 mg to 24 mg', 'description': 'Elderly adult participants with schizophrenia were intended to receive MK-8189 titrated from 16 mg to 24 mg QD, over 10 days.'}, {'id': 'OG005', 'title': 'Part 2, Panel F: MK-8189 8 mg to 24 mg', 'description': 'Healthy elderly adult participants receive receive MK-8189 titrated from 8 mg (Days 1 to 3), to 16 mg (Days 4 to 7), to 24 mg (Days 7 to 13) QD over 13 days.'}, {'id': 'OG006', 'title': 'Part 2, Panel G: MK-8189 16 mg to 24 mg', 'description': 'Healthy elderly adult participants receive MK-8189 titrated from 16 mg (Days 1 to 3), to 24 mg (Days 4 to 10) QD over 10 days.'}, {'id': 'OG007', 'title': 'Part 1: Placebo', 'description': 'Young adult participants with schizophrenia receive placebo matched to MK-8189 QD for 7 days.'}, {'id': 'OG008', 'title': 'Part 2: Placebo', 'description': 'Elderly participants with schizophrenia and heathy elderly participants receive placebo matched to MK-8189 for up to 13 days.'}], 'classes': [{'categories': [{'measurements': [{'value': '0', 'groupId': 'OG000'}, {'value': '1', 'groupId': 'OG001'}, {'value': '2', 'groupId': 'OG003'}, {'value': '1', 'groupId': 'OG005'}, {'value': '3', 'groupId': 'OG006'}, {'value': '0', 'groupId': 'OG007'}, {'value': '1', 'groupId': 'OG008'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': 'Up to approximately 27 days', 'description': 'The number of participants discontinuing from study treatment due to ≥1 AE is reported. An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention.', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED', 'populationDescription': 'All randomized and treated participants are included.'}, {'type': 'SECONDARY', 'title': 'Part 1: Area Under the Concentration Time-curve From Hour 0 to 24 Hours Postdose (AUC0-24) of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '5', 'groupId': 'OG001'}, {'value': '5', 'groupId': 'OG002'}, {'value': '14', 'groupId': 'OG003'}, {'value': '13', 'groupId': 'OG004'}, {'value': '10', 'groupId': 'OG005'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 1, Panel A: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 1 in Panel A.'}, {'id': 'OG001', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 4', 'description': 'The PK of MK-8189 24 mg was assessed on Day 4 in Panel A.'}, {'id': 'OG002', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel A.'}, {'id': 'OG003', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 1', 'description': 'The PK of MK-8189 24 mg was assessed on Day 1 in Panel B.'}, {'id': 'OG004', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 2', 'description': 'The PK of MK-8189 24 mg was assessed on Day 2 in Panel B.'}, {'id': 'OG005', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel B.'}], 'classes': [{'categories': [{'measurements': [{'value': '10500', 'groupId': 'OG000', 'lowerLimit': '6210', 'upperLimit': '17600'}, {'value': '21200', 'groupId': 'OG001', 'lowerLimit': '12600', 'upperLimit': '35800'}, {'value': '22700', 'groupId': 'OG002', 'lowerLimit': '13500', 'upperLimit': '38300'}, {'value': '12500', 'groupId': 'OG003', 'lowerLimit': '9920', 'upperLimit': '15900'}, {'value': '17600', 'groupId': 'OG004', 'lowerLimit': '13800', 'upperLimit': '22300'}, {'value': '20500', 'groupId': 'OG005', 'lowerLimit': '16000', 'upperLimit': '26300'}]}]}], 'paramType': 'LEAST_SQUARES_MEAN', 'timeFrame': 'Days 1, 2, 4, and Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'AUC0-24 was determined for participants in Part 1 panels who received MK-8189.', 'unitOfMeasure': 'hr*nmol/L', 'dispersionType': '95% Confidence Interval', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 1 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 1: Concentration 24 Hours Postdose (C24) of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '5', 'groupId': 'OG001'}, {'value': '5', 'groupId': 'OG002'}, {'value': '14', 'groupId': 'OG003'}, {'value': '13', 'groupId': 'OG004'}, {'value': '10', 'groupId': 'OG005'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 1, Panel A: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 1 in Panel A.'}, {'id': 'OG001', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 4', 'description': 'The PK of MK-8189 24 mg was assessed on Day 4 in Panel A.'}, {'id': 'OG002', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel A.'}, {'id': 'OG003', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 1', 'description': 'The PK of MK-8189 24 mg was assessed on Day 1 in Panel B.'}, {'id': 'OG004', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 2', 'description': 'The PK of MK-8189 24 mg was assessed on Day 2 in Panel B.'}, {'id': 'OG005', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel B.'}], 'classes': [{'categories': [{'measurements': [{'value': '615', 'groupId': 'OG000', 'lowerLimit': '225', 'upperLimit': '1680'}, {'value': '322', 'groupId': 'OG001', 'lowerLimit': '107', 'upperLimit': '968'}, {'value': '669', 'groupId': 'OG002', 'lowerLimit': '223', 'upperLimit': '2010'}, {'value': '565', 'groupId': 'OG003', 'lowerLimit': '389', 'upperLimit': '821'}, {'value': '567', 'groupId': 'OG004', 'lowerLimit': '387', 'upperLimit': '830'}, {'value': '666', 'groupId': 'OG005', 'lowerLimit': '445', 'upperLimit': '997'}]}]}], 'paramType': 'LEAST_SQUARES_MEAN', 'timeFrame': 'Days 1, 2, 4, and Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'C24 was determined for participants in Part 1 panels who received MK-8189.', 'unitOfMeasure': 'nmol/L', 'dispersionType': '95% Confidence Interval', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 1 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 1: Maximum Plasma Concentration (Cmax) of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '5', 'groupId': 'OG001'}, {'value': '5', 'groupId': 'OG002'}, {'value': '14', 'groupId': 'OG003'}, {'value': '13', 'groupId': 'OG004'}, {'value': '13', 'groupId': 'OG005'}, {'value': '10', 'groupId': 'OG006'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 1, Panel A: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 1 in Panel A.'}, {'id': 'OG001', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 4', 'description': 'The PK of MK-8189 24 mg was assessed on Day 4 in Panel A.'}, {'id': 'OG002', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel A.'}, {'id': 'OG003', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 1', 'description': 'The PK of MK-8189 24 mg was assessed on Day 1 in Panel B.'}, {'id': 'OG004', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 2', 'description': 'The PK of MK-8189 24 mg was assessed on Day 2 in Panel B.'}, {'id': 'OG005', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 3', 'description': 'The PK of MK-8189 24 mg was assessed on Day 3 in Panel B.'}, {'id': 'OG006', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel B.'}], 'classes': [{'categories': [{'measurements': [{'value': '700', 'groupId': 'OG000', 'lowerLimit': '405', 'upperLimit': '1210'}, {'value': '1220', 'groupId': 'OG001', 'lowerLimit': '707', 'upperLimit': '2110'}, {'value': '1270', 'groupId': 'OG002', 'lowerLimit': '738', 'upperLimit': '2200'}, {'value': '941', 'groupId': 'OG003', 'lowerLimit': '737', 'upperLimit': '1200'}, {'value': '996', 'groupId': 'OG004', 'lowerLimit': '779', 'upperLimit': '1270'}, {'value': '956', 'groupId': 'OG005', 'lowerLimit': '748', 'upperLimit': '1220'}, {'value': '1200', 'groupId': 'OG006', 'lowerLimit': '933', 'upperLimit': '1540'}]}]}], 'paramType': 'LEAST_SQUARES_MEAN', 'timeFrame': 'Days 1, 2, 3, 4, and Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Cmax was determined for participants in Part 1 panels who received MK-8189.', 'unitOfMeasure': 'nmol/L', 'dispersionType': '95% Confidence Interval', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 1 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 1: Time to Maximum Concentration (Tmax) of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '5', 'groupId': 'OG001'}, {'value': '5', 'groupId': 'OG002'}, {'value': '14', 'groupId': 'OG003'}, {'value': '13', 'groupId': 'OG004'}, {'value': '13', 'groupId': 'OG005'}, {'value': '10', 'groupId': 'OG006'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 1, Panel A: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 1 in Panel A.'}, {'id': 'OG001', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 4', 'description': 'The PK of MK-8189 24 mg was assessed on Day 4 in Panel A.'}, {'id': 'OG002', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel A.'}, {'id': 'OG003', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 1', 'description': 'The PK of MK-8189 24 mg was assessed on Day 1 in Panel B.'}, {'id': 'OG004', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 2', 'description': 'The PK of MK-8189 24 mg was assessed on Day 2 in Panel B.'}, {'id': 'OG005', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 3', 'description': 'The PK of MK-8189 24 mg was assessed on Day 3 in Panel B.'}, {'id': 'OG006', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel B.'}], 'classes': [{'categories': [{'measurements': [{'value': '19.97', 'groupId': 'OG000', 'lowerLimit': '12.02', 'upperLimit': '24.08'}, {'value': '16.00', 'groupId': 'OG001', 'lowerLimit': '10.00', 'upperLimit': '23.97'}, {'value': '16.00', 'groupId': 'OG002', 'lowerLimit': '12.00', 'upperLimit': '16.00'}, {'value': '16.00', 'groupId': 'OG003', 'lowerLimit': '2.00', 'upperLimit': '23.97'}, {'value': '8.00', 'groupId': 'OG004', 'lowerLimit': '0.00', 'upperLimit': '23.97'}, {'value': '8.00', 'groupId': 'OG005', 'lowerLimit': '0.00', 'upperLimit': '8.00'}, {'value': '11.03', 'groupId': 'OG006', 'lowerLimit': '6.05', 'upperLimit': '16.08'}]}]}], 'paramType': 'MEDIAN', 'timeFrame': 'Days 1, 2, 3, 4, and Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Tmax was determined for participants in Part 1 panels who received MK-8189.', 'unitOfMeasure': 'Hours', 'dispersionType': 'Full Range', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 1 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 1: Clearance (CL/F) of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '5', 'groupId': 'OG000'}, {'value': '10', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel A.'}, {'id': 'OG001', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel B.'}], 'classes': [{'categories': [{'measurements': [{'value': '3.21', 'spread': '36.5', 'groupId': 'OG000'}, {'value': '3.22', 'spread': '48.1', 'groupId': 'OG001'}]}]}], 'paramType': 'GEOMETRIC_MEAN', 'timeFrame': 'Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'CL/F was determined for participants in Part 1 panels who received MK-8189.', 'unitOfMeasure': 'L/hr', 'dispersionType': 'Geometric Coefficient of Variation', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 1 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 1: Apparent Terminal Half-life (t½) of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '5', 'groupId': 'OG000'}, {'value': '10', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel A.'}, {'id': 'OG001', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel B.'}], 'classes': [{'categories': [{'measurements': [{'value': '7.99', 'spread': '15.6', 'groupId': 'OG000'}, {'value': '8.68', 'spread': '26.8', 'groupId': 'OG001'}]}]}], 'paramType': 'GEOMETRIC_MEAN', 'timeFrame': 'Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 't½ was determined for participants in Part 1 panels who received MK-8189.', 'unitOfMeasure': 'Hours', 'dispersionType': 'Geometric Coefficient of Variation', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 1 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 1: Volume of Distribution (Vd/F) of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '5', 'groupId': 'OG000'}, {'value': '10', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 1, Panel A: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel A.'}, {'id': 'OG001', 'title': 'Part 1, Panel B: MK-8189 24 mg Day 7', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel B.'}], 'classes': [{'categories': [{'measurements': [{'value': '37.03', 'spread': '28.5', 'groupId': 'OG000'}, {'value': '40.31', 'spread': '40.4', 'groupId': 'OG001'}]}]}], 'paramType': 'GEOMETRIC_MEAN', 'timeFrame': 'Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Vd/F was determined for participants in Part 1 panels who received MK-8189.', 'unitOfMeasure': 'Liters', 'dispersionType': 'Geometric Coefficient of Variation', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 1 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 2: AUC0-24 of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '12', 'groupId': 'OG000'}, {'value': '12', 'groupId': 'OG001'}, {'value': '9', 'groupId': 'OG002'}, {'value': '8', 'groupId': 'OG003'}, {'value': '5', 'groupId': 'OG004'}, {'value': '5', 'groupId': 'OG005'}, {'value': '5', 'groupId': 'OG006'}, {'value': '3', 'groupId': 'OG007'}, {'value': '13', 'groupId': 'OG008'}, {'value': '10', 'groupId': 'OG009'}, {'value': '10', 'groupId': 'OG010'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 2, Panel D: MK-8189 8 mg', 'description': 'The PK of MK-8189 8 mg was assessed on Day 1 in Panel D.'}, {'id': 'OG001', 'title': 'Part 2, Panel D: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 4 in Panel D.'}, {'id': 'OG002', 'title': 'Part 2, Panel D: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel D.'}, {'id': 'OG003', 'title': 'Part 2, Panel D: MK-8189 24 mg Day 13', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel D.'}, {'id': 'OG004', 'title': 'Part 2, Panel F: MK-8189 8 mg', 'description': 'The PK of MK-8189 8 mg was assessed on Day 1 in Panel F.'}, {'id': 'OG005', 'title': 'Part 2, Panel F: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 4 in Panel F.'}, {'id': 'OG006', 'title': 'Part 2, Panel F: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel F.'}, {'id': 'OG007', 'title': 'Part 2, Panel F: MK-8189 24 mg Day 13', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel F.'}, {'id': 'OG008', 'title': 'Part 2, Panel G: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 1 in Panel G.'}, {'id': 'OG009', 'title': 'Part 2, Panel G: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 4 in Panel G.'}, {'id': 'OG010', 'title': 'Part 2, Panel G: MK-8189 24 mg Day 10', 'description': 'The PK of MK-8189 24 mg was assessed on Day 10 in Panel G.'}], 'classes': [{'categories': [{'measurements': [{'value': '4600', 'groupId': 'OG000', 'lowerLimit': '3210', 'upperLimit': '6590'}, {'value': '12400', 'groupId': 'OG001', 'lowerLimit': '8620', 'upperLimit': '17700'}, {'value': '17100', 'groupId': 'OG002', 'lowerLimit': '11400', 'upperLimit': '25500'}, {'value': '24000', 'groupId': 'OG003', 'lowerLimit': '15800', 'upperLimit': '36400'}, {'value': '5930', 'groupId': 'OG004', 'lowerLimit': '3800', 'upperLimit': '9250'}, {'value': '13800', 'groupId': 'OG005', 'lowerLimit': '8820', 'upperLimit': '21500'}, {'value': '23600', 'groupId': 'OG006', 'lowerLimit': '15100', 'upperLimit': '36900'}, {'value': '27800', 'groupId': 'OG007', 'lowerLimit': '17800', 'upperLimit': '43500'}, {'value': '9860', 'groupId': 'OG008', 'lowerLimit': '7810', 'upperLimit': '12500'}, {'value': '23500', 'groupId': 'OG009', 'lowerLimit': '18300', 'upperLimit': '30300'}, {'value': '26800', 'groupId': 'OG010', 'lowerLimit': '20600', 'upperLimit': '34800'}]}]}], 'paramType': 'LEAST_SQUARES_MEAN', 'timeFrame': 'Days 1, 4, 7, 10, and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'AUC0-24 was determined for participants in Part 2 panels who received MK-8189.', 'unitOfMeasure': 'hr*nmol/L', 'dispersionType': '95% Confidence Interval', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 2 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 2: C24 of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '12', 'groupId': 'OG000'}, {'value': '12', 'groupId': 'OG001'}, {'value': '9', 'groupId': 'OG002'}, {'value': '8', 'groupId': 'OG003'}, {'value': '5', 'groupId': 'OG004'}, {'value': '5', 'groupId': 'OG005'}, {'value': '5', 'groupId': 'OG006'}, {'value': '3', 'groupId': 'OG007'}, {'value': '13', 'groupId': 'OG008'}, {'value': '11', 'groupId': 'OG009'}, {'value': '10', 'groupId': 'OG010'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 2, Panel D: MK-8189 8 mg', 'description': 'The PK of MK-8189 8 mg was assessed on Day 1 in Panel D.'}, {'id': 'OG001', 'title': 'Part 2, Panel D: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 4 in Panel D.'}, {'id': 'OG002', 'title': 'Part 2, Panel D: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel D.'}, {'id': 'OG003', 'title': 'Part 2, Panel D: MK-8189 24 mg Day 13', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel D.'}, {'id': 'OG004', 'title': 'Part 2, Panel F: MK-8189 8 mg', 'description': 'The PK of MK-8189 8 mg was assessed on Day 1 in Panel F.'}, {'id': 'OG005', 'title': 'Part 2, Panel F: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 4 in Panel F.'}, {'id': 'OG006', 'title': 'Part 2, Panel F: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel F.'}, {'id': 'OG007', 'title': 'Part 2, Panel F: MK-8189 24 mg Day 13', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel F.'}, {'id': 'OG008', 'title': 'Part 2, Panel G: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 1 in Panel G.'}, {'id': 'OG009', 'title': 'Part 2, Panel G: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 4 in Panel G.'}, {'id': 'OG010', 'title': 'Part 2, Panel G: MK-8189 24 mg Day 10', 'description': 'The PK of MK-8189 24 mg was assessed on Day 10 in Panel G.'}], 'classes': [{'categories': [{'measurements': [{'value': '302', 'groupId': 'OG000', 'lowerLimit': '187', 'upperLimit': '488'}, {'value': '508', 'groupId': 'OG001', 'lowerLimit': '314', 'upperLimit': '820'}, {'value': '637', 'groupId': 'OG002', 'lowerLimit': '370', 'upperLimit': '1100'}, {'value': '926', 'groupId': 'OG003', 'lowerLimit': '522', 'upperLimit': '1640'}, {'value': '349', 'groupId': 'OG004', 'lowerLimit': '212', 'upperLimit': '575'}, {'value': '612', 'groupId': 'OG005', 'lowerLimit': '372', 'upperLimit': '1010'}, {'value': '927', 'groupId': 'OG006', 'lowerLimit': '563', 'upperLimit': '1530'}, {'value': '1260', 'groupId': 'OG007', 'lowerLimit': '721', 'upperLimit': '2220'}, {'value': '569', 'groupId': 'OG008', 'lowerLimit': '409', 'upperLimit': '790'}, {'value': '885', 'groupId': 'OG009', 'lowerLimit': '618', 'upperLimit': '1270'}, {'value': '1090', 'groupId': 'OG010', 'lowerLimit': '748', 'upperLimit': '1590'}]}]}], 'paramType': 'LEAST_SQUARES_MEAN', 'timeFrame': 'Days 1, 4, 7, 10, and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'C24 was determined for participants in Part 2 panels who received MK-8189.', 'unitOfMeasure': 'nmol/L', 'dispersionType': '95% Confidence Interval', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 2 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 2: Cmax of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '12', 'groupId': 'OG000'}, {'value': '12', 'groupId': 'OG001'}, {'value': '9', 'groupId': 'OG002'}, {'value': '8', 'groupId': 'OG003'}, {'value': '5', 'groupId': 'OG004'}, {'value': '5', 'groupId': 'OG005'}, {'value': '5', 'groupId': 'OG006'}, {'value': '3', 'groupId': 'OG007'}, {'value': '13', 'groupId': 'OG008'}, {'value': '12', 'groupId': 'OG009'}, {'value': '10', 'groupId': 'OG010'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 2, Panel D: MK-8189 8 mg', 'description': 'The PK of MK-8189 8 mg was assessed on Day 1 in Panel D.'}, {'id': 'OG001', 'title': 'Part 2, Panel D: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 4 in Panel D.'}, {'id': 'OG002', 'title': 'Part 2, Panel D: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel D.'}, {'id': 'OG003', 'title': 'Part 2, Panel D: MK-8189 24 mg Day 13', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel D.'}, {'id': 'OG004', 'title': 'Part 2, Panel F: MK-8189 8 mg', 'description': 'The PK of MK-8189 8 mg was assessed on Day 1 in Panel F.'}, {'id': 'OG005', 'title': 'Part 2, Panel F: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 4 in Panel F.'}, {'id': 'OG006', 'title': 'Part 2, Panel F: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel F.'}, {'id': 'OG007', 'title': 'Part 2, Panel F: MK-8189 24 mg Day 13', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel F.'}, {'id': 'OG008', 'title': 'Part 2, Panel G: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 1 in Panel G.'}, {'id': 'OG009', 'title': 'Part 2, Panel G: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 4 in Panel G.'}, {'id': 'OG010', 'title': 'Part 2, Panel G: MK-8189 24 mg Day 10', 'description': 'The PK of MK-8189 24 mg was assessed on Day 10 in Panel G.'}], 'classes': [{'categories': [{'measurements': [{'value': '326', 'groupId': 'OG000', 'lowerLimit': '241', 'upperLimit': '442'}, {'value': '680', 'groupId': 'OG001', 'lowerLimit': '502', 'upperLimit': '922'}, {'value': '918', 'groupId': 'OG002', 'lowerLimit': '653', 'upperLimit': '1290'}, {'value': '1250', 'groupId': 'OG003', 'lowerLimit': '874', 'upperLimit': '1790'}, {'value': '373', 'groupId': 'OG004', 'lowerLimit': '235', 'upperLimit': '592'}, {'value': '817', 'groupId': 'OG005', 'lowerLimit': '514', 'upperLimit': '1300'}, {'value': '1300', 'groupId': 'OG006', 'lowerLimit': '819', 'upperLimit': '2060'}, {'value': '1330', 'groupId': 'OG007', 'lowerLimit': '837', 'upperLimit': '2120'}, {'value': '644', 'groupId': 'OG008', 'lowerLimit': '522', 'upperLimit': '796'}, {'value': '1280', 'groupId': 'OG009', 'lowerLimit': '1030', 'upperLimit': '1600'}, {'value': '1290', 'groupId': 'OG010', 'lowerLimit': '1010', 'upperLimit': '1630'}]}]}], 'paramType': 'LEAST_SQUARES_MEAN', 'timeFrame': 'Days 1, 4, 7, 10, and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Cmax was determined for participants in Part 2 panels who received MK-8189.', 'unitOfMeasure': 'nmol/L', 'dispersionType': '95% Confidence Interval', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 2 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 2: Tmax of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '12', 'groupId': 'OG000'}, {'value': '12', 'groupId': 'OG001'}, {'value': '9', 'groupId': 'OG002'}, {'value': '8', 'groupId': 'OG003'}, {'value': '5', 'groupId': 'OG004'}, {'value': '5', 'groupId': 'OG005'}, {'value': '5', 'groupId': 'OG006'}, {'value': '3', 'groupId': 'OG007'}, {'value': '13', 'groupId': 'OG008'}, {'value': '10', 'groupId': 'OG009'}, {'value': '10', 'groupId': 'OG010'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 2, Panel D: MK-8189 8 mg', 'description': 'The PK of MK-8189 8 mg was assessed on Day 1 in Panel D.'}, {'id': 'OG001', 'title': 'Part 2, Panel D: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 4 in Panel D.'}, {'id': 'OG002', 'title': 'Part 2, Panel D: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel D.'}, {'id': 'OG003', 'title': 'Part 2, Panel D: MK-8189 24 mg Day 13', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel D.'}, {'id': 'OG004', 'title': 'Part 2, Panel F: MK-8189 8 mg', 'description': 'The PK of MK-8189 8 mg was assessed on Day 1 in Panel F.'}, {'id': 'OG005', 'title': 'Part 2, Panel F: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 4 in Panel F.'}, {'id': 'OG006', 'title': 'Part 2, Panel F: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 7 in Panel F.'}, {'id': 'OG007', 'title': 'Part 2, Panel F: MK-8189 24 mg Day 13', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel F.'}, {'id': 'OG008', 'title': 'Part 2, Panel G: MK-8189 16 mg', 'description': 'The PK of MK-8189 16 mg was assessed on Day 1 in Panel G.'}, {'id': 'OG009', 'title': 'Part 2, Panel G: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 4 in Panel G.'}, {'id': 'OG010', 'title': 'Part 2, Panel G: MK-8189 24 mg Day 10', 'description': 'The PK of MK-8189 24 mg was assessed on Day 10 in Panel G.'}], 'classes': [{'categories': [{'measurements': [{'value': '23.90', 'groupId': 'OG000', 'lowerLimit': '10.00', 'upperLimit': '24.00'}, {'value': '14.00', 'groupId': 'OG001', 'lowerLimit': '0.00', 'upperLimit': '23.97'}, {'value': '16.02', 'groupId': 'OG002', 'lowerLimit': '0.00', 'upperLimit': '24.00'}, {'value': '10.08', 'groupId': 'OG003', 'lowerLimit': '0.00', 'upperLimit': '24.00'}, {'value': '16.10', 'groupId': 'OG004', 'lowerLimit': '16.00', 'upperLimit': '23.95'}, {'value': '16.07', 'groupId': 'OG005', 'lowerLimit': '11.92', 'upperLimit': '23.92'}, {'value': '15.97', 'groupId': 'OG006', 'lowerLimit': '11.92', 'upperLimit': '16.00'}, {'value': '16.00', 'groupId': 'OG007', 'lowerLimit': '0.00', 'upperLimit': '16.00'}, {'value': '16.17', 'groupId': 'OG008', 'lowerLimit': '10.00', 'upperLimit': '23.98'}, {'value': '11.99', 'groupId': 'OG009', 'lowerLimit': '0.00', 'upperLimit': '16.00'}, {'value': '15.88', 'groupId': 'OG010', 'lowerLimit': '0.00', 'upperLimit': '23.95'}]}]}], 'paramType': 'MEDIAN', 'timeFrame': 'Days 1, 4, 7, 10, and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Tmax was determined for participants in Part 2 panels who received MK-8189.', 'unitOfMeasure': 'Hours', 'dispersionType': 'Full Range', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 2 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 2: CL/F of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '8', 'groupId': 'OG000'}, {'value': '3', 'groupId': 'OG001'}, {'value': '10', 'groupId': 'OG002'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 2, Panel D: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel D.'}, {'id': 'OG001', 'title': 'Part 2, Panel F: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel F.'}, {'id': 'OG002', 'title': 'Part 2, Panel G: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 10 in Panel G.'}], 'classes': [{'categories': [{'measurements': [{'value': '2.67', 'spread': '28.5', 'groupId': 'OG000'}, {'value': '2.18', 'spread': '57.3', 'groupId': 'OG001'}, {'value': '2.34', 'spread': '29.8', 'groupId': 'OG002'}]}]}], 'paramType': 'GEOMETRIC_MEAN', 'timeFrame': 'Days 10 and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'CL/F was determined for participants in Part 2 panels who received MK-8189.', 'unitOfMeasure': 'L/hr', 'dispersionType': 'Geometric Coefficient of Variation', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 2 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 2: t½ of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '3', 'groupId': 'OG001'}, {'value': '10', 'groupId': 'OG002'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 2, Panel D: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel D.'}, {'id': 'OG001', 'title': 'Part 2, Panel F: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel F.'}, {'id': 'OG002', 'title': 'Part 2, Panel G: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 10 in Panel G.'}], 'classes': [{'categories': [{'measurements': [{'value': '13.98', 'spread': '51.0', 'groupId': 'OG000'}, {'value': '8.90', 'spread': '33.4', 'groupId': 'OG001'}, {'value': '9.99', 'spread': '27.4', 'groupId': 'OG002'}]}]}], 'paramType': 'GEOMETRIC_MEAN', 'timeFrame': 'Days 10 and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 't½ was determined for participants in Part 2 panels who received MK-8189.', 'unitOfMeasure': 'Hours', 'dispersionType': 'Geometric Coefficient of Variation', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 2 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}, {'type': 'SECONDARY', 'title': 'Part 2: Vd/F of MK-8189', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '3', 'groupId': 'OG001'}, {'value': '10', 'groupId': 'OG002'}]}], 'groups': [{'id': 'OG000', 'title': 'Part 2, Panel D: MK-8189 24 mg Day 13', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel D.'}, {'id': 'OG001', 'title': 'Part 2, Panel F: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 13 in Panel F.'}, {'id': 'OG002', 'title': 'Part 2, Panel G: MK-8189 24 mg', 'description': 'The PK of MK-8189 24 mg was assessed on Day 10 in Panel G.'}], 'classes': [{'categories': [{'measurements': [{'value': '55.23', 'spread': '52.3', 'groupId': 'OG000'}, {'value': '27.94', 'spread': '57.2', 'groupId': 'OG001'}, {'value': '32.91', 'spread': '26.8', 'groupId': 'OG002'}]}]}], 'paramType': 'GEOMETRIC_MEAN', 'timeFrame': 'Days 10 and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Vd/F was determined for participants in Part 2 panels who received MK-8189.', 'unitOfMeasure': 'Liters', 'dispersionType': 'Geometric Coefficient of Variation', 'reportingStatus': 'POSTED', 'populationDescription': 'Part 2 participants who comply with the protocol sufficiently to ensure that generated data will be likely to exhibit the effects of treatment, according to the underlying scientific model.'}]}, 'participantFlowModule': {'groups': [{'id': 'FG000', 'title': 'Part 1, Panel A: MK-8189 16 mg to 24 mg', 'description': 'Young adult participants with schizophrenia receive MK-8189 titrated from 16 mg (Days 1 to 3) to 24 mg (Days 4 to 7) QD for 7 days.'}, {'id': 'FG001', 'title': 'Part 1, Panel B: MK-8189 24 mg', 'description': 'Young adult participants with schizophrenia receive MK-8189 24 mg QD from Day 1 to Day 7.'}, {'id': 'FG002', 'title': 'Part 1, Panel C: MK-8189 8 mg t0 24 mg', 'description': 'Young adult participants with schizophrenia were planned to receive MK-8189 titrated from 8 mg to 24 mg QD over 7 days.'}, {'id': 'FG003', 'title': 'Part 2, Panel D: MK-8189 8 mg to 24 mg', 'description': 'Elderly adult participants with schizophrenia receive MK-8189 titrated from 8 mg (Days 1 to 3), to 16 mg (Days 4 to 7), to 24 mg (Days 7 to 13) QD over 13 days.'}, {'id': 'FG004', 'title': 'Part 2, Panel E: MK-8189 16 mg to 24 mg', 'description': 'Elderly adult participants with schizophrenia were intended to receive MK-8189 titrated from 16 mg to 24 mg QD, over 10 days.'}, {'id': 'FG005', 'title': 'Part 2, Panel F: MK-8189 8 mg to 24 mg', 'description': 'Healthy elderly adult participants receive receive MK-8189 titrated from 8 mg (Days 1 to 3), to 16 mg (Days 4 to 7), to 24 mg (Days 7 to 13) QD over 13 days.'}, {'id': 'FG006', 'title': 'Part 2, Panel G: MK-8189 16 mg to 24 mg', 'description': 'Healthy elderly adult participants receive MK-8189 titrated from 16 mg (Days 1 to 3), to 24 mg (Days 4 to 10) QD over 10 days.'}, {'id': 'FG007', 'title': 'Part 1: Placebo', 'description': 'Young adult participants with schizophrenia receive placebo matched to MK-8189 QD for 7 days.'}, {'id': 'FG008', 'title': 'Part 2: Placebo', 'description': 'Elderly participants with schizophrenia and heathy elderly participants receive placebo matched to MK-8189 for up to 13 days.'}], 'periods': [{'title': 'Overall Study', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '6'}, {'groupId': 'FG001', 'numSubjects': '14'}, {'comment': 'Panel C was never initiated.', 'groupId': 'FG002', 'numSubjects': '0'}, {'groupId': 'FG003', 'numSubjects': '12'}, {'comment': 'Panel E was never initiated.', 'groupId': 'FG004', 'numSubjects': '0'}, {'groupId': 'FG005', 'numSubjects': '5'}, {'groupId': 'FG006', 'numSubjects': '13'}, {'groupId': 'FG007', 'numSubjects': '6'}, {'groupId': 'FG008', 'numSubjects': '7'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '5'}, {'groupId': 'FG001', 'numSubjects': '14'}, {'groupId': 'FG002', 'numSubjects': '0'}, {'groupId': 'FG003', 'numSubjects': '9'}, {'groupId': 'FG004', 'numSubjects': '0'}, {'groupId': 'FG005', 'numSubjects': '5'}, {'groupId': 'FG006', 'numSubjects': '13'}, {'groupId': 'FG007', 'numSubjects': '6'}, {'groupId': 'FG008', 'numSubjects': '7'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '1'}, {'groupId': 'FG001', 'numSubjects': '0'}, {'groupId': 'FG002', 'numSubjects': '0'}, {'groupId': 'FG003', 'numSubjects': '3'}, {'groupId': 'FG004', 'numSubjects': '0'}, {'groupId': 'FG005', 'numSubjects': '0'}, {'groupId': 'FG006', 'numSubjects': '0'}, {'groupId': 'FG007', 'numSubjects': '0'}, {'groupId': 'FG008', 'numSubjects': '0'}]}], 'dropWithdraws': [{'type': 'Lost to Follow-up', 'reasons': [{'groupId': 'FG000', 'numSubjects': '1'}, {'groupId': 'FG001', 'numSubjects': '0'}, {'groupId': 'FG002', 'numSubjects': '0'}, {'groupId': 'FG003', 'numSubjects': '1'}, {'groupId': 'FG004', 'numSubjects': '0'}, {'groupId': 'FG005', 'numSubjects': '0'}, {'groupId': 'FG006', 'numSubjects': '0'}, {'groupId': 'FG007', 'numSubjects': '0'}, {'groupId': 'FG008', 'numSubjects': '0'}]}, {'type': 'Withdrawal by Subject', 'reasons': [{'groupId': 'FG000', 'numSubjects': '0'}, {'groupId': 'FG001', 'numSubjects': '0'}, {'groupId': 'FG002', 'numSubjects': '0'}, {'groupId': 'FG003', 'numSubjects': '2'}, {'groupId': 'FG004', 'numSubjects': '0'}, {'groupId': 'FG005', 'numSubjects': '0'}, {'groupId': 'FG006', 'numSubjects': '0'}, {'groupId': 'FG007', 'numSubjects': '0'}, {'groupId': 'FG008', 'numSubjects': '0'}]}]}], 'recruitmentDetails': 'Participants were enrolled at 6 study centers in USA.'}, 'baselineCharacteristicsModule': {'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'BG000'}, {'value': '14', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '12', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '5', 'groupId': 'BG005'}, {'value': '13', 'groupId': 'BG006'}, {'value': '6', 'groupId': 'BG007'}, {'value': '7', 'groupId': 'BG008'}, {'value': '63', 'groupId': 'BG009'}]}], 'groups': [{'id': 'BG000', 'title': 'Part 1, Panel A: MK-8189 16 mg to 24 mg', 'description': 'Young adult participants with schizophrenia receive MK-8189 titrated from 16 mg (Days 1 to 3) to 24 mg (Days 4 to 7) QD for 7 days.'}, {'id': 'BG001', 'title': 'Part 1, Panel B: MK-8189 24 mg', 'description': 'Young adult participants with schizophrenia receive MK-8189 24 mg QD from Day 1 to Day 7.'}, {'id': 'BG002', 'title': 'Part 1, Panel C: MK-8189 8 mg t0 24 mg', 'description': 'Young adult participants with schizophrenia were planned to receive MK-8189 titrated from 8 mg to 24 mg QD over 7 days.'}, {'id': 'BG003', 'title': 'Part 2, Panel D: MK-8189 8 mg to 24 mg', 'description': 'Elderly adult participants with schizophrenia receive MK-8189 titrated from 8 mg (Days 1 to 3), to 16 mg (Days 4 to 7), to 24 mg (Days 7 to 13) QD over 13 days.'}, {'id': 'BG004', 'title': 'Part 2, Panel E: MK-8189 16 mg to 24 mg', 'description': 'Elderly adult participants with schizophrenia were intended to receive MK-8189 titrated from 16 mg to 24 mg QD, over 10 days.'}, {'id': 'BG005', 'title': 'Part 2, Panel F: MK-8189 8 mg to 24 mg', 'description': 'Healthy elderly adult participants receive receive MK-8189 titrated from 8 mg (Days 1 to 3), to 16 mg (Days 4 to 7), to 24 mg (Days 7 to 13) QD over 13 days.'}, {'id': 'BG006', 'title': 'Part 2, Panel G: MK-8189 16 mg to 24 mg', 'description': 'Healthy elderly adult participants receive MK-8189 titrated from 16 mg (Days 1 to 3), to 24 mg (Days 4 to 10) QD over 10 days.'}, {'id': 'BG007', 'title': 'Part 1: Placebo', 'description': 'Young adult participants with schizophrenia receive placebo matched to MK-8189 QD for 7 days.'}, {'id': 'BG008', 'title': 'Part 2: Placebo', 'description': 'Elderly participants with schizophrenia and heathy elderly participants receive placebo matched to MK-8189 for up to 13 days.'}, {'id': 'BG009', 'title': 'Total', 'description': 'Total of all reporting groups'}], 'measures': [{'title': 'Age, Continuous', 'classes': [{'categories': [{'measurements': [{'value': '43.5', 'spread': '8.8', 'groupId': 'BG000'}, {'value': '44.9', 'spread': '10.8', 'groupId': 'BG001'}, {'value': '64.2', 'spread': '2.0', 'groupId': 'BG003'}, {'value': '69.4', 'spread': '2.3', 'groupId': 'BG005'}, {'value': '68.4', 'spread': '3.6', 'groupId': 'BG006'}, {'value': '43.3', 'spread': '8.6', 'groupId': 'BG007'}, {'value': '66.3', 'spread': '4.7', 'groupId': 'BG008'}, {'value': '57.4', 'spread': '13.1', 'groupId': 'BG009'}]}]}], 'paramType': 'MEAN', 'unitOfMeasure': 'years', 'dispersionType': 'STANDARD_DEVIATION'}, {'title': 'Sex: Female, Male', 'classes': [{'categories': [{'title': 'Female', 'measurements': [{'value': '1', 'groupId': 'BG000'}, {'value': '2', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '5', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '1', 'groupId': 'BG005'}, {'value': '10', 'groupId': 'BG006'}, {'value': '1', 'groupId': 'BG007'}, {'value': '5', 'groupId': 'BG008'}, {'value': '25', 'groupId': 'BG009'}]}, {'title': 'Male', 'measurements': [{'value': '5', 'groupId': 'BG000'}, {'value': '12', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '7', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '4', 'groupId': 'BG005'}, {'value': '3', 'groupId': 'BG006'}, {'value': '5', 'groupId': 'BG007'}, {'value': '2', 'groupId': 'BG008'}, {'value': '38', 'groupId': 'BG009'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Ethnicity (NIH/OMB)', 'classes': [{'categories': [{'title': 'Hispanic or Latino', 'measurements': [{'value': '2', 'groupId': 'BG000'}, {'value': '1', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '0', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '3', 'groupId': 'BG005'}, {'value': '9', 'groupId': 'BG006'}, {'value': '0', 'groupId': 'BG007'}, {'value': '3', 'groupId': 'BG008'}, {'value': '18', 'groupId': 'BG009'}]}, {'title': 'Not Hispanic or Latino', 'measurements': [{'value': '4', 'groupId': 'BG000'}, {'value': '13', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '11', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '2', 'groupId': 'BG005'}, {'value': '4', 'groupId': 'BG006'}, {'value': '6', 'groupId': 'BG007'}, {'value': '4', 'groupId': 'BG008'}, {'value': '44', 'groupId': 'BG009'}]}, {'title': 'Unknown or Not Reported', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '1', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '0', 'groupId': 'BG005'}, {'value': '0', 'groupId': 'BG006'}, {'value': '0', 'groupId': 'BG007'}, {'value': '0', 'groupId': 'BG008'}, {'value': '1', 'groupId': 'BG009'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Race (NIH/OMB)', 'classes': [{'categories': [{'title': 'American Indian or Alaska Native', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '1', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '0', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '0', 'groupId': 'BG005'}, {'value': '0', 'groupId': 'BG006'}, {'value': '0', 'groupId': 'BG007'}, {'value': '0', 'groupId': 'BG008'}, {'value': '1', 'groupId': 'BG009'}]}, {'title': 'Asian', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '0', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '0', 'groupId': 'BG005'}, {'value': '0', 'groupId': 'BG006'}, {'value': '0', 'groupId': 'BG007'}, {'value': '0', 'groupId': 'BG008'}, {'value': '0', 'groupId': 'BG009'}]}, {'title': 'Native Hawaiian or Other Pacific Islander', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '0', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '0', 'groupId': 'BG005'}, {'value': '0', 'groupId': 'BG006'}, {'value': '0', 'groupId': 'BG007'}, {'value': '0', 'groupId': 'BG008'}, {'value': '0', 'groupId': 'BG009'}]}, {'title': 'Black or African American', 'measurements': [{'value': '3', 'groupId': 'BG000'}, {'value': '11', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '9', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '0', 'groupId': 'BG005'}, {'value': '2', 'groupId': 'BG006'}, {'value': '5', 'groupId': 'BG007'}, {'value': '4', 'groupId': 'BG008'}, {'value': '34', 'groupId': 'BG009'}]}, {'title': 'White', 'measurements': [{'value': '3', 'groupId': 'BG000'}, {'value': '2', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '2', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '5', 'groupId': 'BG005'}, {'value': '11', 'groupId': 'BG006'}, {'value': '1', 'groupId': 'BG007'}, {'value': '3', 'groupId': 'BG008'}, {'value': '27', 'groupId': 'BG009'}]}, {'title': 'More than one race', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '0', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '0', 'groupId': 'BG005'}, {'value': '0', 'groupId': 'BG006'}, {'value': '0', 'groupId': 'BG007'}, {'value': '0', 'groupId': 'BG008'}, {'value': '0', 'groupId': 'BG009'}]}, {'title': 'Unknown or Not Reported', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}, {'value': '1', 'groupId': 'BG003'}, {'value': '0', 'groupId': 'BG004'}, {'value': '0', 'groupId': 'BG005'}, {'value': '0', 'groupId': 'BG006'}, {'value': '0', 'groupId': 'BG007'}, {'value': '0', 'groupId': 'BG008'}, {'value': '1', 'groupId': 'BG009'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}], 'populationDescription': 'Enrollment into Part 1 Panel C, and Part 2 Panel E, was never initiated.'}}, 'documentSection': {'largeDocumentModule': {'largeDocs': [{'date': '2021-05-20', 'size': 1771749, 'label': 'Study Protocol and Statistical Analysis Plan', 'hasIcf': False, 'hasSap': True, 'filename': 'Prot_SAP_000.pdf', 'typeAbbrev': 'Prot_SAP', 'uploadDate': '2023-03-07T14:27', 'hasProtocol': True}]}}, 'protocolSection': {'designModule': {'phases': ['PHASE1'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'DOUBLE', 'whoMasked': ['PARTICIPANT', 'INVESTIGATOR'], 'maskingDescription': 'Double blind'}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'PARALLEL'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 63}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2020-08-28', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2024-06', 'completionDateStruct': {'date': '2022-03-22', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2024-06-27', 'studyFirstSubmitDate': '2020-08-06', 'resultsFirstSubmitDate': '2023-03-07', 'studyFirstSubmitQcDate': '2020-08-06', 'lastUpdatePostDateStruct': {'date': '2024-10-02', 'type': 'ACTUAL'}, 'resultsFirstSubmitQcDate': '2024-06-27', 'studyFirstPostDateStruct': {'date': '2020-08-10', 'type': 'ACTUAL'}, 'resultsFirstPostDateStruct': {'date': '2024-10-02', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2022-03-22', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Part 1 & 2: Number of Participants Who Experienced an Adverse Event (AE)', 'timeFrame': 'Up to approximately 27 days', 'description': 'The number of participants with ≥1 AE is reported. An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention.'}, {'measure': 'Part 1 & 2: Number of Participants Discontinuing Study Treatment Due to an AE', 'timeFrame': 'Up to approximately 27 days', 'description': 'The number of participants discontinuing from study treatment due to ≥1 AE is reported. An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention.'}], 'secondaryOutcomes': [{'measure': 'Part 1: Area Under the Concentration Time-curve From Hour 0 to 24 Hours Postdose (AUC0-24) of MK-8189', 'timeFrame': 'Days 1, 2, 4, and Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'AUC0-24 was determined for participants in Part 1 panels who received MK-8189.'}, {'measure': 'Part 1: Concentration 24 Hours Postdose (C24) of MK-8189', 'timeFrame': 'Days 1, 2, 4, and Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'C24 was determined for participants in Part 1 panels who received MK-8189.'}, {'measure': 'Part 1: Maximum Plasma Concentration (Cmax) of MK-8189', 'timeFrame': 'Days 1, 2, 3, 4, and Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Cmax was determined for participants in Part 1 panels who received MK-8189.'}, {'measure': 'Part 1: Time to Maximum Concentration (Tmax) of MK-8189', 'timeFrame': 'Days 1, 2, 3, 4, and Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Tmax was determined for participants in Part 1 panels who received MK-8189.'}, {'measure': 'Part 1: Clearance (CL/F) of MK-8189', 'timeFrame': 'Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'CL/F was determined for participants in Part 1 panels who received MK-8189.'}, {'measure': 'Part 1: Apparent Terminal Half-life (t½) of MK-8189', 'timeFrame': 'Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 't½ was determined for participants in Part 1 panels who received MK-8189.'}, {'measure': 'Part 1: Volume of Distribution (Vd/F) of MK-8189', 'timeFrame': 'Day 7: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Vd/F was determined for participants in Part 1 panels who received MK-8189.'}, {'measure': 'Part 2: AUC0-24 of MK-8189', 'timeFrame': 'Days 1, 4, 7, 10, and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'AUC0-24 was determined for participants in Part 2 panels who received MK-8189.'}, {'measure': 'Part 2: C24 of MK-8189', 'timeFrame': 'Days 1, 4, 7, 10, and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'C24 was determined for participants in Part 2 panels who received MK-8189.'}, {'measure': 'Part 2: Cmax of MK-8189', 'timeFrame': 'Days 1, 4, 7, 10, and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Cmax was determined for participants in Part 2 panels who received MK-8189.'}, {'measure': 'Part 2: Tmax of MK-8189', 'timeFrame': 'Days 1, 4, 7, 10, and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Tmax was determined for participants in Part 2 panels who received MK-8189.'}, {'measure': 'Part 2: CL/F of MK-8189', 'timeFrame': 'Days 10 and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'CL/F was determined for participants in Part 2 panels who received MK-8189.'}, {'measure': 'Part 2: t½ of MK-8189', 'timeFrame': 'Days 10 and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 't½ was determined for participants in Part 2 panels who received MK-8189.'}, {'measure': 'Part 2: Vd/F of MK-8189', 'timeFrame': 'Days 10 and 13: Predose and 2, 6, 8, 10, 12, 16, and 24 hours postdose', 'description': 'Vd/F was determined for participants in Part 2 panels who received MK-8189.'}]}, 'oversightModule': {'oversightHasDmc': False, 'isFdaRegulatedDrug': True, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'conditions': ['Schizophrenia']}, 'referencesModule': {'seeAlsoLinks': [{'url': 'http://www.merckclinicaltrials.com', 'label': 'Merck Clinical Trials Information'}]}, 'descriptionModule': {'briefSummary': 'This is a randomized, double-blind, 2-part clinical study of the safety, tolerability and pharmacokinetics of alternate MK-8189 titration regimens. Part 1 assessed multiple dose once-daily titration regimens of MK-8189 in young adult participants with schizophrenia. Part 2 assessed multiple once-daily doses of MK-8189 in elderly participants with schizophrenia and healthy elderly participants.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'maximumAge': '80 Years', 'minimumAge': '18 Years', 'healthyVolunteers': True, 'eligibilityCriteria': "Inclusion Criteria:\n\n* Has a body mass index (BMI) ≤40 kg/m2\n* Has no clinically significant abnormality on 12-lead safety electrocardiogram (ECG) performed at the prestudy (screening) visit and/or prior to randomization\n* Has a normal resting blood pressure (BP: systolic BP is ≥90 millimeter of mercury \\[mmHg\\] and ≤140 mmHg; diastolic BP is ≥60 mmHg and ≤90 mmHg) and normal resting heart rate (≥45 beats per minute \\[bpm\\] and ≤100 bpm) in the semirecumbent position at the prestudy (screening) visit and/or prior to randomization. Repeat evaluations may be done if the values for a participant are, per investigator discretion, minimally outside the designated range. Participants may be included if values are outside the normal range but considered not clinically significant per investigator discretion\n* Participants with schizophrenia only: Meets diagnostic criteria for schizophrenia or schizoaffective disorder according to the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) criteria with the onset of the first episode being no less than 2 years prior to screening and monotherapy with antipsychotics for treatment should be indicated\n* Participants with schizophrenia only: Has a total Brief Psychiatric Rating Scale (BPRS) score of \\<48 with a BPRS score \\<4 for #10 (hostility) and #14 (uncooperativeness) at the screening visit\n* Participants with schizophrenia only: Is in the nonacute phase of their illness and clinically stable for 3 months prior to screening as demonstrated by the following: 1) no clinically significant change in dose of prescribed antipsychotic medication, or clinically significant change in antipsychotic medication to treat symptoms of schizophrenia for 2 months prior to screening 2) no increase in level of psychiatric care due to worsening of symptoms of schizophrenia for 3 months prior to screening\n* Participants with schizophrenia only: Has a history of receiving and tolerating antipsychotic medication within the usual dose range employed for schizophrenia\n* Participants with schizophrenia only: Has a stable living situation\n* Participants with hypothyroidism, diabetes, high BP, chronic respiratory conditions or other mild forms of these medical conditions could be considered as candidates for study enrollment if their condition is stable\n* Has regular bowel movements\n* Participants with schizophrenia only: Is able to discontinue the use of all antipsychotic medication at least 5 days prior to the start of the treatment period and during the study period\n* Female participants are not pregnant and not breastfeeding, and are not a woman of childbearing potential (WOCBP) or are a WOCBP who agrees to follow contraceptive guidance during the treatment period and for at least 14 days after the last dose of study intervention\n\nExclusion Criteria:\n\n* Is a WOCBP who has a positive urine pregnancy test within 48 hours before the first dose of study intervention\n* Participants with schizophrenia only: Has evidence or history of a primary DSM-5 axis I psychiatric diagnosis other than schizophrenia or schizoaffective disorder per the allowed DSM-5 criteria within 1 month of screening\n* Has evidence or history of a primary DSM-5 axis I psychiatric diagnosis other than schizophrenia or schizoaffective disorder per the allowed DSM-5 criteria within 1 month of screening\n* Has evidence or history of mental retardation, borderline personality disorder, anxiety disorder, or organic brain syndrome\n* Has a history of neuroleptic malignant syndrome or moderate to severe tardive dyskinesia\n* Has a substance-induced psychotic disorder or behavioral disturbance thought to be due to substance abuse\n* Has a DSM-5 defined substance use disorder within 3 months of screening\n* Has a history of seizure disorder beyond childhood or is receiving treatment with any anticonvulsant to prevent seizures\n* Has an untreated or uncompensated clinically significant renal, endocrine, hepatic, respiratory, gastrointestinal, psychiatric, neurologic, cardiovascular, hematological, immunological or cerebrovascular disease, malignancy, allergic disease or other chronic and/or degenerative process at screening\n* Has any clinically significant abnormal laboratory, vital sign (VS), physical examination, or 12-lead safety ECG findings at screening or changes from baseline parameters or, in the opinion of the investigator, would make the participant inappropriate for entry into this study\n* Has a history of cancer with following exceptions: 1) Adequately treated nonmelanomatous skin carcinoma or carcinoma in situ of the cervix or; 2) Other malignancies which have been successfully treated with appropriate follow up and therefore unlikely to recur for the duration of the study, in the opinion of the investigator and with agreement of the Sponsor\n* Has a clinically significant history or presence of sick sinus syndrome, first, second, or third-degree AV block, myocardial infarction, pulmonary congestion, cardiac arrhythmia, prolonged corrected QT (QTc) interval, or conduction abnormalities\n* Has history of repeated or frequent syncope, vasovagal episodes, or epileptic seizures\n* Has a family history of sudden death\n* Has a history of any illness that, in the opinion of the study investigator, might confound the results of the study or poses an additional risk to the participant by their participation in the study\n* For Part 2 participants only: Participant has an estimated glomerular filtration rate (eGFR) \\<60 mL/min/1.73 m2 based on the modification of diet in renal disease (MDRD). Participants who have an eGFR or measured creatinine clearance of up to10% below of either 60 milliliter/minute \\[mL/min\\] (for creatinine clearance) or 60 mL/min/1.73m2 (for eGFR) may be enrolled in the study at the discretion of the investigator\n* Has a history of significant multiple and/or severe allergies or has had an anaphylactic reaction or significant intolerability to prescription or non-prescription drugs or food\n* Is positive for Hepatitis B surface antigen, Hepatitis C antibodies or HIV\n* Had major surgery, donated or lost 1 unit of blood within 4 weeks prior to the prestudy (screening) visit\n* Healthy participants only: Is mentally or legally incapacitated, has significant emotional problems at the time of prestudy (screening) visit or expected during the conduct of the study or has a history of clinically significant psychiatric disorder of the last 5 years (participants who have had situational depression may be enrolled in the study at investigator's discretion)\n* Participants with schizophrenia only: Is at imminent risk of self-harm, based on clinical interview and responses on the Columbia-Suicide Severity Rating Scale (C-SSRS), or of harm to others in the opinion of the investigator\n* Healthy participants only: Is at imminent risk of self-harm, based on clinical interview and responses on the CSSRS, or of harm to others in the opinion of the investigator. Participants must be excluded if they report suicidal ideation with intent, with or without a plan or in the past 5 years or suicidal behavior in their lifetime\n* Has received treatment with clozapine for schizophrenia or treatment with monoamine oxidase inhibitors within 3 months of screening or cariprazine within 2 months of screening\n* Has received a parenteral depot antipsychotic medication within 3 months of screening\n* Is unable to refrain from the use of co-medication with a moderate or strong inhibiting or inducing effect on cytochrome (CYP3A) and/or cytochrome (CYP2C9) beginning approximately 2 weeks or 5 half-lives, whichever is longer, prior to administration of the initial dose of trial drug and throughout the trial or is unable to refrain from the use of sensitive substrates of cytochrome (CYP2B6)\n* Has participated in another investigational study within 4 weeks (or 5 half-lives, whichever is greater) prior to the prestudy (screening) visit\n* Has been in incarceration or imprisonment within three months prior to screening\n* Is a current smoker (healthy participants only) or is a smoker (participants with schizophrenia only) that does not agree to follow the smoking restrictions as defined by the clinical research unit (CRU)\n* Consumes greater than 3 glasses of alcoholic beverages per day. Participants who consume 4 glasses of alcoholic beverages per day may be enrolled at the discretion of the investigator\n* Consumes excessive amounts, defined as greater than 6 servings of caffeinated beverages per day\n* Is a regular user of cannabis, any illicit drugs or has a history of drug abuse within approximately 3 years\n* Presents any concern by the investigator regarding safe participation in the study or for any other reason the investigator considers the participant inappropriate for participation in the study\n* Is or has an immediate family member who is investigational site or Sponsor staff directly involved with this study"}, 'identificationModule': {'nctId': 'NCT04506905', 'briefTitle': 'Safety, Tolerability, and Pharmacokinetics Study of MK-8189 in Participants With Schizophrenia and Healthy Participants (MK-8189-011)', 'organization': {'class': 'INDUSTRY', 'fullName': 'Merck Sharp & Dohme LLC'}, 'officialTitle': 'A 2-Part Randomized Clinical Study to Evaluate the Safety, Tolerability and Pharmacokinetics of Alternate MK-8189 Titration Regimens in Young Adult Participants With Schizophrenia and to Evaluate the Safety, Tolerability and Pharmacokinetics of MK-8189 in Elderly Participants With Schizophrenia and Healthy Elderly', 'orgStudyIdInfo': {'id': '8189-011'}, 'secondaryIdInfos': [{'id': 'Merck Protocol Number', 'type': 'OTHER', 'domain': 'MK-8189-011'}]}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'Part 1 (Panel A) MK-8189', 'description': 'Young adult participants with schizophrenia receive MK-8189 titrated from 16 mg to 24 mg once daily (QD), orally, over a course of 7-day treatment.', 'interventionNames': ['Drug: MK-8189']}, {'type': 'EXPERIMENTAL', 'label': 'Part 1 (Panel B) MK-8189', 'description': 'Young adult participants with schizophrenia receive MK-8189 titrated up to 24 mg QD, orally, over a course of 7-day treatment period with starting doses based on safety and tolerability of previous starting dose in previous panel.', 'interventionNames': ['Drug: MK-8189']}, {'type': 'EXPERIMENTAL', 'label': 'Part 1 (Panel C) MK-8189', 'description': 'Young adult participants with schizophrenia receive MK-8189 titrated from 8 mg to 24 mg QD, orally, over a course of 7-day treatment period with starting doses based on safety and tolerability of previous starting dose in previous panels.', 'interventionNames': ['Drug: MK-8189']}, {'type': 'EXPERIMENTAL', 'label': 'Part 2 (Panel D) MK-8189', 'description': 'Elderly adult participants with schizophrenia receive MK-8189 titrated from 8 mg to 24 mg QD, orally, over the course of a 13-day treatment period with starting doses based on safety and tolerability of previous starting dose in previous panels.', 'interventionNames': ['Drug: MK-8189']}, {'type': 'EXPERIMENTAL', 'label': 'Part 2 (Panel E) MK-8189', 'description': 'Elderly adult participants with schizophrenia receive MK-8189 titrated from 16 mg to 24 mg QD, orally, over the course of 10-day 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