Raw JSON
{'hasResults': True, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24', 'submissionTracking': {'firstMcpInfo': {'postDateStruct': {'date': '2023-02-22', 'type': 'ACTUAL'}}}}, 'conditionBrowseModule': {'meshes': [{'id': 'D003865', 'term': 'Depressive Disorder, Major'}, {'id': 'D003863', 'term': 'Depression'}], 'ancestors': [{'id': 'D003866', 'term': 'Depressive Disorder'}, {'id': 'D019964', 'term': 'Mood Disorders'}, {'id': 'D001523', 'term': 'Mental Disorders'}, {'id': 'D001526', 'term': 'Behavioral Symptoms'}, {'id': 'D001519', 'term': 'Behavior'}]}}, 'resultsSection': {'moreInfoModule': {'pointOfContact': {'email': 'michael.bloch@yale.edu', 'phone': '203 7374809', 'title': 'Dr. Michael Bloch', 'organization': 'Yale University'}, 'certainAgreement': {'piSponsorEmployee': False, 'restrictiveAgreement': False}, 'limitationsAndCaveats': {'description': 'The study was only able to enroll 3 participants before the pandemic started and then ran out of funding to finish the trial. Presented are summary data and to avoid revealing any identifying information of participants, data is presented overall where applicable (e.g. baseline characteristics).'}}, 'adverseEventsModule': {'timeFrame': 'Up to 6 months', 'eventGroups': [{'id': 'EG000', 'title': 'Ketamine', 'description': 'Ketamine is an FDA-approved anesthetic agent that is commonly used to induce surgical anesthesia due to its low incidence of significant respiratory depression and hypotension. It as a N-methyl-D-aspartate (NMDA) receptor antagonist and glutamatergic modulator, and has been demonstrated in multiple controlled clinical trials to have rapidly acting antidepressant and anti-suicidal effects in adults.\n\nKetamine infusion: The dose of ketamine established in prior research (0.5 mg/kg over 40 minutes) will be used in this study to minimize risks. The maximum total single dose allowed in this study will be 40mg, corresponding to a weight of 80kg.', 'otherNumAtRisk': 1, 'deathsNumAtRisk': 1, 'otherNumAffected': 1, 'seriousNumAtRisk': 1, 'deathsNumAffected': 0, 'seriousNumAffected': 0}, {'id': 'EG001', 'title': 'Midazolam', 'description': 'Midazolam, the active control in this study, is a medication that is approved by the Food and Drug Administration as a sedative for both children and adults.It is a benzodiazepine with a short half-life that was chosen so as to blind the psychotomimetic effects of Ketamine.\n\nMidazolam infusion: The weight-based midazolam dosing established in prior ketamine trials in adults (0.045mg/kg) will be used to minimize risks, as this is considered a very low dose compared to the sedation literature. The maximum total dose allowed in this study will be 3.6mg per infusion, corresponding to a weight of 80kg.', 'otherNumAtRisk': 2, 'deathsNumAtRisk': 2, 'otherNumAffected': 2, 'seriousNumAtRisk': 2, 'deathsNumAffected': 0, 'seriousNumAffected': 0}], 'otherEvents': [{'term': 'Diplopia', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 2}], 'organSystem': 'Eye disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Numbness', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 2}], 'organSystem': 'Nervous system disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Blurred Vision', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 2}], 'organSystem': 'Eye disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Dizziness', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 2}], 'organSystem': 'Nervous system disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Tachycardia', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 1}], 'organSystem': 'Cardiac disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Headache', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 2}], 'organSystem': 'Nervous system disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Shortness of Breath', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 1}], 'organSystem': 'Respiratory, thoracic and mediastinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Nausea', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 2}], 'organSystem': 'Gastrointestinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Palpitations', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 0}], 'organSystem': 'Cardiac disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Cough', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 1}], 'organSystem': 'Respiratory, thoracic and mediastinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Hearing Changes', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 0}], 'organSystem': 'Ear and labyrinth disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Pruritus at Infusion Site', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 0}], 'organSystem': 'Skin and subcutaneous tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Tics', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 0}], 'organSystem': 'Nervous system disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Lightheadedness', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 0}], 'organSystem': 'Nervous system disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Joint Pain', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 0}], 'organSystem': 'Musculoskeletal and connective tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Stress Fracture', 'stats': [{'groupId': 'EG000', 'numAtRisk': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 2, 'numAffected': 0}], 'organSystem': 'Musculoskeletal and connective tissue disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}], 'frequencyThreshold': '0'}, 'outcomeMeasuresModule': {'outcomeMeasures': [{'type': 'PRIMARY', 'title': "Efficacy of a Multiple-dosing Ketamine Infusion Paradigm (2 Infusions Per Week for 3 Weeks) Compared to Midazolam in Adolescents With Treatment Resistant Depression Using the Children's Depression Rating Scale (CDRS)", 'denoms': [{'units': 'Participants', 'counts': [{'value': '1', 'groupId': 'OG000'}, {'value': '2', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Ketamine', 'description': 'Ketamine is an FDA-approved anesthetic agent that is commonly used to induce surgical anesthesia due to its low incidence of significant respiratory depression and hypotension. It as a N-methyl-D-aspartate (NMDA) receptor antagonist and glutamatergic modulator, and has been demonstrated in multiple controlled clinical trials to have rapidly acting antidepressant and anti-suicidal effects in adults.\n\nKetamine infusion: The dose of ketamine established in prior research (0.5 mg/kg over 40 minutes) will be used in this study to minimize risks. The maximum total single dose allowed in this study will be 40mg, corresponding to a weight of 80kg.'}, {'id': 'OG001', 'title': 'Midazolam', 'description': 'Midazolam, the active control in this study, is a medication that is approved by the Food and Drug Administration as a sedative for both children and adults.It is a benzodiazepine with a short half-life that was chosen so as to blind the psychotomimetic effects of Ketamine.\n\nMidazolam infusion: The weight-based midazolam dosing established in prior ketamine trials in adults (0.045mg/kg) will be used to minimize risks, as this is considered a very low dose compared to the sedation literature. The maximum total dose allowed in this study will be 3.6mg per infusion, corresponding to a weight of 80kg.'}], 'classes': [{'categories': [{'measurements': [{'value': '42', 'groupId': 'OG000', 'lowerLimit': '42', 'upperLimit': '42'}, {'value': '62', 'groupId': 'OG001', 'lowerLimit': '62', 'upperLimit': '62'}]}]}], 'paramType': 'MEAN', 'timeFrame': 'Day 18', 'description': "Establish if repeated ketamine will be efficacious medically and psychiatrically, as measured by a significant reduction in CDRS score in those treated with ketamine at the end of the dosing paradigm. The Children's Depression Rating Scale (CDRS) is a clinician-rated instrument with 17 items scored on a 1 to 5 or 1 to 7 scale. A rating of 1 indicates normal, thus the minimum score is 17. The maximum score is 113. Scores of 20-30 suggest borderline depression. Scores of 40-60 indicate moderate depression.", 'unitOfMeasure': 'score on a scale', 'dispersionType': 'Full Range', 'reportingStatus': 'POSTED', 'populationDescription': 'all those enrolled in the study prior to termination'}, {'type': 'PRIMARY', 'title': 'Tolerability of a Multiple-dosing Ketamine Infusion Paradigm (2 Infusions Per Week for 3 Weeks) Compared to Midazolam in Adolescents With Treatment Resistant Depression', 'denoms': [{'units': 'Participants', 'counts': [{'value': '1', 'groupId': 'OG000'}, {'value': '2', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Ketamine', 'description': 'Ketamine is an FDA-approved anesthetic agent that is commonly used to induce surgical anesthesia due to its low incidence of significant respiratory depression and hypotension. It as a N-methyl-D-aspartate (NMDA) receptor antagonist and glutamatergic modulator, and has been demonstrated in multiple controlled clinical trials to have rapidly acting antidepressant and anti-suicidal effects in adults.\n\nKetamine infusion: The dose of ketamine established in prior research (0.5 mg/kg over 40 minutes) will be used in this study to minimize risks. The maximum total single dose allowed in this study will be 40mg, corresponding to a weight of 80kg.'}, {'id': 'OG001', 'title': 'Midazolam', 'description': 'Midazolam, the active control in this study, is a medication that is approved by the Food and Drug Administration as a sedative for both children and adults.It is a benzodiazepine with a short half-life that was chosen so as to blind the psychotomimetic effects of Ketamine.\n\nMidazolam infusion: The weight-based midazolam dosing established in prior ketamine trials in adults (0.045mg/kg) will be used to minimize risks, as this is considered a very low dose compared to the sedation literature. The maximum total dose allowed in this study will be 3.6mg per infusion, corresponding to a weight of 80kg.'}], 'classes': [{'categories': [{'measurements': [{'value': '0', 'groupId': 'OG000'}, {'value': '0', 'groupId': 'OG001'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': 'Day 18', 'description': 'Establish if repeated ketamine will be tolerated as measured by drop-out counts.', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED'}]}, 'participantFlowModule': {'groups': [{'id': 'FG000', 'title': 'Ketamine', 'description': 'Ketamine is an FDA-approved anesthetic agent that is commonly used to induce surgical anesthesia due to its low incidence of significant respiratory depression and hypotension. It as a N-methyl-D-aspartate (NMDA) receptor antagonist and glutamatergic modulator, and has been demonstrated in multiple controlled clinical trials to have rapidly acting antidepressant and anti-suicidal effects in adults.\n\nKetamine infusion: The dose of ketamine established in prior research (0.5 mg/kg over 40 minutes) will be used in this study to minimize risks. The maximum total single dose allowed in this study will be 40mg, corresponding to a weight of 80kg.'}, {'id': 'FG001', 'title': 'Midazolam', 'description': 'Midazolam, the active control in this study, is a medication that is approved by the Food and Drug Administration as a sedative for both children and adults.It is a benzodiazepine with a short half-life that was chosen so as to blind the psychotomimetic effects of Ketamine.\n\nMidazolam infusion: The weight-based midazolam dosing established in prior ketamine trials in adults (0.045mg/kg) will be used to minimize risks, as this is considered a very low dose compared to the sedation literature. The maximum total dose allowed in this study will be 3.6mg per infusion, corresponding to a weight of 80kg.'}], 'periods': [{'title': 'Overall Study', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '1'}, {'groupId': 'FG001', 'numSubjects': '2'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '1'}, {'groupId': 'FG001', 'numSubjects': '2'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '0'}, {'groupId': 'FG001', 'numSubjects': '0'}]}]}]}, 'baselineCharacteristicsModule': {'denoms': [{'units': 'Participants', 'counts': [{'value': '3', 'groupId': 'BG000'}]}], 'groups': [{'id': 'BG000', 'title': 'Overall Participants', 'description': 'Participants enrolled in the trial. Due to the small sample size, data will be presented together to avoid unblinding.'}], 'measures': [{'title': 'Age, Categorical', 'classes': [{'categories': [{'title': '<=18 years', 'measurements': [{'value': '3', 'groupId': 'BG000'}]}, {'title': 'Between 18 and 65 years', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}, {'title': '>=65 years', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Age, Categorical', 'classes': [{'categories': [{'title': '<=18 years', 'measurements': [{'value': '3', 'groupId': 'BG000'}]}, {'title': 'Between 18 and 65 years', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}, {'title': '>=65 years', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Age, Continuous', 'classes': [{'categories': [{'measurements': [{'value': '16.3', 'groupId': 'BG000', 'lowerLimit': '16', 'upperLimit': '17'}]}]}], 'paramType': 'MEAN', 'description': 'Age at the time of enrollment to the trial.', 'unitOfMeasure': 'years', 'dispersionType': 'FULL_RANGE'}, {'title': 'Sex: Female, Male', 'classes': [{'categories': [{'title': 'Female', 'measurements': [{'value': '2', 'groupId': 'BG000'}]}, {'title': 'Male', 'measurements': [{'value': '1', 'groupId': 'BG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Ethnicity (NIH/OMB)', 'classes': [{'categories': [{'title': 'Hispanic or Latino', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}, {'title': 'Not Hispanic or Latino', 'measurements': [{'value': '3', 'groupId': 'BG000'}]}, {'title': 'Unknown or Not Reported', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}], 'populationDescription': 'Demographic data will be presented together to avoid unblinding of subjects due to small number of participants'}}, 'documentSection': {'largeDocumentModule': {'largeDocs': [{'date': '2021-05-03', 'size': 1645852, 'label': 'Study Protocol and Statistical Analysis Plan', 'hasIcf': False, 'hasSap': True, 'filename': 'Prot_SAP_000.pdf', 'typeAbbrev': 'Prot_SAP', 'uploadDate': '2023-01-25T14:38', 'hasProtocol': True}]}}, 'protocolSection': {'designModule': {'phases': ['PHASE2', 'PHASE3'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'DOUBLE', 'whoMasked': ['PARTICIPANT', 'OUTCOMES_ASSESSOR'], 'maskingDescription': 'Participants will not be told what medication they are receiving; physicians absent from the infusion paradigm will perform blinded clinical efficacy ratings.'}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'PARALLEL', 'interventionModelDescription': 'Phase 1 is a double-blind, midazolam-controlled parallel design trial; Phase 2 is an open extension.'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 3}}, 'statusModule': {'whyStopped': 'No more funding available to continue since we could not recruit throughout the pandemic.', 'overallStatus': 'TERMINATED', 'startDateStruct': {'date': '2019-07-17', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2023-03', 'completionDateStruct': {'date': '2023-01-05', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2023-03-31', 'studyFirstSubmitDate': '2019-03-22', 'resultsFirstSubmitDate': '2023-01-25', 'studyFirstSubmitQcDate': '2019-03-22', 'lastUpdatePostDateStruct': {'date': '2023-04-24', 'type': 'ACTUAL'}, 'resultsFirstSubmitQcDate': '2023-03-31', 'studyFirstPostDateStruct': {'date': '2019-03-26', 'type': 'ACTUAL'}, 'resultsFirstPostDateStruct': {'date': '2023-04-24', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2019-12-18', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': "Efficacy of a Multiple-dosing Ketamine Infusion Paradigm (2 Infusions Per Week for 3 Weeks) Compared to Midazolam in Adolescents With Treatment Resistant Depression Using the Children's Depression Rating Scale (CDRS)", 'timeFrame': 'Day 18', 'description': "Establish if repeated ketamine will be efficacious medically and psychiatrically, as measured by a significant reduction in CDRS score in those treated with ketamine at the end of the dosing paradigm. The Children's Depression Rating Scale (CDRS) is a clinician-rated instrument with 17 items scored on a 1 to 5 or 1 to 7 scale. A rating of 1 indicates normal, thus the minimum score is 17. The maximum score is 113. Scores of 20-30 suggest borderline depression. Scores of 40-60 indicate moderate depression."}, {'measure': 'Tolerability of a Multiple-dosing Ketamine Infusion Paradigm (2 Infusions Per Week for 3 Weeks) Compared to Midazolam in Adolescents With Treatment Resistant Depression', 'timeFrame': 'Day 18', 'description': 'Establish if repeated ketamine will be tolerated as measured by drop-out counts.'}]}, 'oversightModule': {'isFdaRegulatedDrug': True, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'keywords': ['depression, ketamine'], 'conditions': ['Major Depressive Disorder']}, 'referencesModule': {'references': [{'pmid': '16012257', 'type': 'BACKGROUND', 'citation': 'Richmond TK, Rosen DS. The treatment of adolescent depression in the era of the black box warning. Curr Opin Pediatr. 2005 Aug;17(4):466-72. doi: 10.1097/01.mop.0000166347.53102.e7.'}, {'pmid': '8122957', 'type': 'BACKGROUND', 'citation': 'Krystal JH, Karper LP, Seibyl JP, Freeman GK, Delaney R, Bremner JD, Heninger GR, Bowers MB Jr, Charney DS. Subanesthetic effects of the noncompetitive NMDA antagonist, ketamine, in humans. Psychotomimetic, perceptual, cognitive, and neuroendocrine responses. Arch Gen Psychiatry. 1994 Mar;51(3):199-214. doi: 10.1001/archpsyc.1994.03950030035004.'}, {'pmid': '16894061', 'type': 'BACKGROUND', 'citation': 'Zarate CA Jr, Singh JB, Carlson PJ, Brutsche NE, Ameli R, Luckenbaugh DA, Charney DS, Manji HK. A randomized trial of an N-methyl-D-aspartate antagonist in treatment-resistant major depression. Arch Gen Psychiatry. 2006 Aug;63(8):856-64. doi: 10.1001/archpsyc.63.8.856.'}, {'pmid': '23982301', 'type': 'BACKGROUND', 'citation': 'Murrough JW, Iosifescu DV, Chang LC, Al Jurdi RK, Green CE, Perez AM, Iqbal S, Pillemer S, Foulkes A, Shah A, Charney DS, Mathew SJ. Antidepressant efficacy of ketamine in treatment-resistant major depression: a two-site randomized controlled trial. Am J Psychiatry. 2013 Oct;170(10):1134-42. doi: 10.1176/appi.ajp.2013.13030392.'}, {'pmid': '28669202', 'type': 'BACKGROUND', 'citation': 'Wilkinson ST, Toprak M, Turner MS, Levine SP, Katz RB, Sanacora G. A Survey of the Clinical, Off-Label Use of Ketamine as a Treatment for Psychiatric Disorders. Am J Psychiatry. 2017 Jul 1;174(7):695-696. doi: 10.1176/appi.ajp.2017.17020239. No abstract available.'}]}, 'descriptionModule': {'briefSummary': "The purpose of this study is to evaluate the intermediate-term efficacy and tolerability of a multiple-dosing ketamine infusion paradigm for the treatment of medication-refractory major depressive disorder (MDD). We are using a two-phase design. The first phase is a 3-week double blind parallel design clinical trial comparing 6 infusions of ketamine compared to 6 infusions of midazolam in 24 adolescents with treatment resistant depression. The primary outcome of this phase will be Children's Depression Rating Scale (CDRS) score at Day 18. The second phase is a 6-month open phase in which patients who received midazolam and remain depressed with be offered open ketamine treatment (6 infusions over 3 weeks). All participants will be followed weekly for 6 months and tracked for time to relapse.", 'detailedDescription': "The purpose of this study is to evaluate the intermediate-term efficacy and tolerability of a multiple-dosing ketamine infusion paradigm for the treatment of medication-refractory major depressive disorder (MDD). The specific aims of the study are: To evaluate the efficacy and tolerability of a multiple-dosing ketamine infusion paradigm (2 infusions per week for 3 weeks) compared to midazolam in adolescents with treatment resistant depression (TRD), . To test these aims we have designed a two-phase trial. The first phase is a 3-week double blind parallel design clinical trial comparing 6 infusions of ketamine compared to 6 infusions of midazolam in 24 adolescents with TRD. The primary outcome of this phase will be Children's Depression Rating Scale (CDRS) score at Day 18. The second phase is a 6-month open phase in which patients who received midazolam and remain depressed with be offered open ketamine treatment (6 infusions over 3 weeks). All participants will be followed weekly for 6 months and tracked for time to relapse. In those who initially responded to ketamine, symptom triggered maintenance infusions will be offered during this 6-month time period. All participants will receive standard of care treatment in addition to experimental procedures, and will be tracked monthly with extensive neurocognitive assessments."}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['CHILD'], 'maximumAge': '17 Years', 'minimumAge': '13 Years', 'healthyVolunteers': False, 'eligibilityCriteria': "Inclusion Criteria:\n\n1. Male or female ages 13-17 years\n2. Meet DSM-5 (Diagnostic and Statistical Manual 5 ) criteria for Major Depressive Disorder by structured interview (MINI-KID)\n3. Children's Depression Rating Scale, Revised CDRS score ≥40 at screening\n4. Failure to achieve remission with at least 2 antidepressant trials (e.g. SSRI, SNRI or TCA), meaning at least 6 weeks at therapeutic dosing, including at least 4 weeks of stable dosing\n5. Stable psychiatric medications and doses for the month prior to enrollment. Subjects may continue to engage in any ongoing psychotherapy.\n6. Medically and neurologically healthy on the basis of physical examination and medical history.\n7. Parents able to provide written informed consent and adolescents must additionally provide assent.\n\nExclusion Criteria:\n\n1. History of psychotic disorder, manic episode, autism spectrum disorder diagnosed by MINI-KID\n2. History of substance dependence diagnosis by MINI-KID (excluding tobacco) or positive urine toxicology.\n3. Intellectual disability (IQ\\<70) per medical history\n4. Pregnancy (urine pregnancy tests on the day of infusions for menstruating girls) or lactation\n5. Prior treatment with ketamine for depression or prior recreational use of ketamine.\n6. Inability to provide written informed consent according to the Yale Human Investigation Committee (HIC) guidelines in English."}, 'identificationModule': {'nctId': 'NCT03889756', 'acronym': 'SAD-KIDS', 'briefTitle': 'Ketamine for Severe Adolescent Depression: Intermediate-term Safety and Efficacy', 'organization': {'class': 'OTHER', 'fullName': 'Yale University'}, 'officialTitle': 'Ketamine for Severe Adolescent Depression: Intermediate-term Safety and Efficacy', 'orgStudyIdInfo': {'id': '2000023857'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'Ketamine', 'description': 'Ketamine is an FDA-approved anesthetic agent that is commonly used to induce surgical anesthesia due to its low incidence of significant respiratory depression and hypotension. It as a N-methyl-D-aspartate (NMDA) receptor antagonist and glutamatergic modulator, and has been demonstrated in multiple controlled clinical trials to have rapidly acting antidepressant and anti-suicidal effects in adults.', 'interventionNames': ['Drug: Ketamine infusion']}, {'type': 'PLACEBO_COMPARATOR', 'label': 'Midazolam', 'description': 'Midazolam, the active control in this study, is a medication that is approved by the Food and Drug Administration as a sedative for both children and adults.It is a benzodiazepine with a short half-life that was chosen so as to blind the psychotomimetic effects of Ketamine.', 'interventionNames': ['Drug: Midazolam infusion']}], 'interventions': [{'name': 'Ketamine infusion', 'type': 'DRUG', 'description': 'The dose of ketamine established in prior research (0.5 mg/kg over 40 minutes) will be used in this study to minimize risks. The maximum total single dose allowed in this study will be 40mg, corresponding to a weight of 80kg.', 'armGroupLabels': ['Ketamine']}, {'name': 'Midazolam infusion', 'type': 'DRUG', 'description': 'The weight-based midazolam dosing established in prior ketamine trials in adults (0.045mg/kg) will be used to minimize risks, as this is considered a very low dose compared to the sedation literature. The maximum total dose allowed in this study will be 3.6mg per infusion, corresponding to a weight of 80kg.', 'armGroupLabels': ['Midazolam']}]}, 'contactsLocationsModule': {'locations': [{'zip': '06520', 'city': 'New Haven', 'state': 'Connecticut', 'country': 'United States', 'facility': 'Yale Child Study Center', 'geoPoint': {'lat': 41.30815, 'lon': -72.92816}}], 'overallOfficials': [{'name': 'Michael H. Bloch, MD', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'Yale University'}, {'name': 'Jennifer Dwyer, MD', 'role': 'STUDY_DIRECTOR', 'affiliation': 'Yale University'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Yale University', 'class': 'OTHER'}, 'responsibleParty': {'type': 'SPONSOR'}}}}