Raw JSON
{'hasResults': True, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D011595', 'term': 'Psychomotor Agitation'}, {'id': 'D003693', 'term': 'Delirium'}], 'ancestors': [{'id': 'D020820', 'term': 'Dyskinesias'}, {'id': 'D009461', 'term': 'Neurologic Manifestations'}, {'id': 'D009422', 'term': 'Nervous System Diseases'}, {'id': 'D011596', 'term': 'Psychomotor Disorders'}, {'id': 'D019954', 'term': 'Neurobehavioral Manifestations'}, {'id': 'D012816', 'term': 'Signs and Symptoms'}, {'id': 'D013568', 'term': 'Pathological Conditions, Signs and Symptoms'}, {'id': 'D000096762', 'term': 'Aberrant Motor Behavior in Dementia'}, {'id': 'D001526', 'term': 'Behavioral Symptoms'}, {'id': 'D001519', 'term': 'Behavior'}, {'id': 'D003221', 'term': 'Confusion'}, {'id': 'D019965', 'term': 'Neurocognitive Disorders'}, {'id': 'D001523', 'term': 'Mental Disorders'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'D020927', 'term': 'Dexmedetomidine'}], 'ancestors': [{'id': 'D007093', 'term': 'Imidazoles'}, {'id': 'D001393', 'term': 'Azoles'}, {'id': 'D006573', 'term': 'Heterocyclic Compounds, 1-Ring'}, {'id': 'D006571', 'term': 'Heterocyclic Compounds'}]}}, 'resultsSection': {'moreInfoModule': {'pointOfContact': {'email': 'kqyangxudong@163.com', 'phone': '8610-82195287', 'title': 'Xudong Yang', 'organization': 'Department of Anesthesiology, Peking University School and Hospital of Stomatology, Beijing, China'}, 'certainAgreement': {'piSponsorEmployee': True}}, 'adverseEventsModule': {'eventGroups': [{'id': 'EG000', 'title': 'Dexmedetomidine', 'description': 'Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.\n\nDexmedetomidine: Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.', 'otherNumAtRisk': 40, 'otherNumAffected': 1, 'seriousNumAtRisk': 40, 'seriousNumAffected': 0}, {'id': 'EG001', 'title': 'Control', 'description': 'Drug: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.\n\nSaline placebo: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day', 'otherNumAtRisk': 40, 'otherNumAffected': 1, 'seriousNumAtRisk': 40, 'seriousNumAffected': 0}], 'otherEvents': [{'term': 'hypotension in PACU', 'stats': [{'groupId': 'EG000', 'numAtRisk': 39, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 40, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Vascular disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'bradycardia in PACU', 'stats': [{'groupId': 'EG000', 'numAtRisk': 40, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 40, 'numEvents': 0, 'numAffected': 0}], 'organSystem': 'Cardiac disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}], 'frequencyThreshold': '1'}, 'outcomeMeasuresModule': {'outcomeMeasures': [{'type': 'PRIMARY', 'title': 'Agitation in PACU', 'denoms': [{'units': 'Participants', 'counts': [{'value': '39', 'groupId': 'OG000'}, {'value': '40', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Dexmedetomidine', 'description': 'Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.\n\nDexmedetomidine: Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.'}, {'id': 'OG001', 'title': 'Control', 'description': 'Drug: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.\n\nSaline placebo: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day'}], 'classes': [{'title': 'overall agitation in PACU', 'categories': [{'measurements': [{'value': '15', 'groupId': 'OG000'}, {'value': '18', 'groupId': 'OG001'}]}]}, {'title': 'agitation after PACU admission', 'categories': [{'measurements': [{'value': '4', 'groupId': 'OG000'}, {'value': '12', 'groupId': 'OG001'}]}]}], 'paramType': 'NUMBER', 'timeFrame': 'participants will be followed for the duration of PACU stay, an expected average of 12 hours', 'description': 'Patients are kept calm and cooperative in the PACU. Agitation is defined as Riker-Agitation Scale(SAS)\\>=5.', 'unitOfMeasure': 'participants', 'reportingStatus': 'POSTED'}, {'type': 'SECONDARY', 'title': 'Postoperative Delirium', 'denoms': [{'units': 'Participants', 'counts': [{'value': '39', 'groupId': 'OG000'}, {'value': '40', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Dexmedetomidine', 'description': 'Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.\n\nDexmedetomidine: Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.'}, {'id': 'OG001', 'title': 'Control', 'description': 'Drug: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.\n\nSaline placebo: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day'}], 'classes': [{'categories': [{'measurements': [{'value': '2', 'groupId': 'OG000'}, {'value': '5', 'groupId': 'OG001'}]}]}], 'paramType': 'NUMBER', 'timeFrame': 'on each of the 5 days postoperatively', 'description': 'Patients are sent back to wards the next morning after operation and followed up on each of the 5 days postoperatively. Delirium will be confirmed based on CAM-ICU method.', 'unitOfMeasure': 'participants', 'reportingStatus': 'POSTED'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': "Patients' Vital Signs in PACU", 'timeFrame': 'participants will be followed for the duration of PACU stay, an expected average of 12 hours', 'description': "Patient's vital signs including heart rate, blood pressure, pulse oxygen saturation and respiratory rate are monitored continuously in PACU and recorded on 1,2,4,6,12 hour after PACU admission.", 'reportingStatus': 'NOT_POSTED'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Use of Analgesics and Sedatives in PACU', 'timeFrame': 'participants will be followed for the duration of PACU stay, an expected average of 12 hours', 'description': 'extra analgesics and sedatives will be given when patients are agitated or if the patients ask for them.', 'reportingStatus': 'NOT_POSTED'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Pain Score in PACU', 'timeFrame': 'at 8 am the next day', 'description': "Patients' pain score are evaluated by a numerous scale(0-10) at 8am the next day, just before they leave PACU.", 'reportingStatus': 'NOT_POSTED'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Sleep Quality in PACU', 'timeFrame': 'at 8am the next day', 'description': "Patients' sleep quality in PACU are evaluated by a numerous scale(0-10) at 8am the next day.", 'reportingStatus': 'NOT_POSTED'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Overall Feeling in PACU', 'timeFrame': 'at 8am the next day', 'description': "Patients' overall feeling in PACU are evaluated by a numerous scale(0-10) at 8am the next day.", 'reportingStatus': 'NOT_POSTED'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Sleep Quality Within 5 Days Postoperatively', 'timeFrame': 'on each of the 5 days postoperatively', 'description': 'Participants are followed for 5 days after operation and their sleep quality are evaluated every afternoon on each of the 5 days.', 'reportingStatus': 'NOT_POSTED'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Pain Score Within 5 Days Postoperatively', 'timeFrame': 'on each of the 5 days postoperatively', 'description': "Participants are followed for 5 days after operation and their pain score are evaluated by VAS method every afternoon on each of the 5 days. Patients' pain score on maxillofacial region and flap donation region are evaluated respectively.", 'reportingStatus': 'NOT_POSTED'}]}, 'participantFlowModule': {'groups': [{'id': 'FG000', 'title': 'Dexmedetomidine', 'description': 'Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.\n\nDexmedetomidine: Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.'}, {'id': 'FG001', 'title': 'Control', 'description': 'Drug: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.\n\nSaline placebo: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day'}], 'periods': [{'title': 'Overall Study', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '40'}, {'groupId': 'FG001', 'numSubjects': '40'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '39'}, {'groupId': 'FG001', 'numSubjects': '40'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '1'}, {'groupId': 'FG001', 'numSubjects': '0'}]}], 'dropWithdraws': [{'type': 'Protocol Violation', 'reasons': [{'groupId': 'FG000', 'numSubjects': '1'}, {'groupId': 'FG001', 'numSubjects': '0'}]}]}]}, 'baselineCharacteristicsModule': {'denoms': [{'units': 'Participants', 'counts': [{'value': '39', 'groupId': 'BG000'}, {'value': '40', 'groupId': 'BG001'}, {'value': '79', 'groupId': 'BG002'}]}], 'groups': [{'id': 'BG000', 'title': 'Dexmedetomidine', 'description': 'Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.\n\nDexmedetomidine: Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.'}, {'id': 'BG001', 'title': 'Control', 'description': 'Drug: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.\n\nSaline placebo: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day'}, {'id': 'BG002', 'title': 'Total', 'description': 'Total of all reporting groups'}], 'measures': [{'title': 'Age, Continuous', 'classes': [{'categories': [{'measurements': [{'value': '50.3', 'spread': '15.0', 'groupId': 'BG000'}, {'value': '50.6', 'spread': '12.3', 'groupId': 'BG001'}, {'value': '50.5', 'spread': '13.6', 'groupId': 'BG002'}]}]}], 'paramType': 'MEAN', 'unitOfMeasure': 'years', 'dispersionType': 'STANDARD_DEVIATION'}, {'title': 'Sex: Female, Male', 'classes': [{'categories': [{'title': 'Female', 'measurements': [{'value': '18', 'groupId': 'BG000'}, {'value': '19', 'groupId': 'BG001'}, {'value': '37', 'groupId': 'BG002'}]}, {'title': 'Male', 'measurements': [{'value': '21', 'groupId': 'BG000'}, {'value': '21', 'groupId': 'BG001'}, {'value': '42', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Region of Enrollment', 'classes': [{'title': 'China', 'categories': [{'measurements': [{'value': '39', 'groupId': 'BG000'}, {'value': '40', 'groupId': 'BG001'}, {'value': '79', 'groupId': 'BG002'}]}]}], 'paramType': 'NUMBER', 'unitOfMeasure': 'participants'}]}}, 'protocolSection': {'designModule': {'phases': ['PHASE4'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'QUADRUPLE', 'whoMasked': ['PARTICIPANT', 'CARE_PROVIDER', 'INVESTIGATOR', 'OUTCOMES_ASSESSOR']}, 'primaryPurpose': 'PREVENTION', 'interventionModel': 'PARALLEL'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 80}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2013-06'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2014-11', 'lastUpdateSubmitDate': '2014-11-05', 'studyFirstSubmitDate': '2013-06-27', 'resultsFirstSubmitDate': '2014-11-05', 'studyFirstSubmitQcDate': '2013-07-17', 'lastUpdatePostDateStruct': {'date': '2014-11-13', 'type': 'ESTIMATED'}, 'resultsFirstSubmitQcDate': '2014-11-05', 'studyFirstPostDateStruct': {'date': '2013-07-22', 'type': 'ESTIMATED'}, 'resultsFirstPostDateStruct': {'date': '2014-11-13', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2013-11', 'type': 'ACTUAL'}}, 'outcomesModule': {'otherOutcomes': [{'measure': "Patients' Vital Signs in PACU", 'timeFrame': 'participants will be followed for the duration of PACU stay, an expected average of 12 hours', 'description': "Patient's vital signs including heart rate, blood pressure, pulse oxygen saturation and respiratory rate are monitored continuously in PACU and recorded on 1,2,4,6,12 hour after PACU admission."}, {'measure': 'Use of Analgesics and Sedatives in PACU', 'timeFrame': 'participants will be followed for the duration of PACU stay, an expected average of 12 hours', 'description': 'extra analgesics and sedatives will be given when patients are agitated or if the patients ask for them.'}, {'measure': 'Pain Score in PACU', 'timeFrame': 'at 8 am the next day', 'description': "Patients' pain score are evaluated by a numerous scale(0-10) at 8am the next day, just before they leave PACU."}, {'measure': 'Sleep Quality in PACU', 'timeFrame': 'at 8am the next day', 'description': "Patients' sleep quality in PACU are evaluated by a numerous scale(0-10) at 8am the next day."}, {'measure': 'Overall Feeling in PACU', 'timeFrame': 'at 8am the next day', 'description': "Patients' overall feeling in PACU are evaluated by a numerous scale(0-10) at 8am the next day."}, {'measure': 'Sleep Quality Within 5 Days Postoperatively', 'timeFrame': 'on each of the 5 days postoperatively', 'description': 'Participants are followed for 5 days after operation and their sleep quality are evaluated every afternoon on each of the 5 days.'}, {'measure': 'Pain Score Within 5 Days Postoperatively', 'timeFrame': 'on each of the 5 days postoperatively', 'description': "Participants are followed for 5 days after operation and their pain score are evaluated by VAS method every afternoon on each of the 5 days. Patients' pain score on maxillofacial region and flap donation region are evaluated respectively."}], 'primaryOutcomes': [{'measure': 'Agitation in PACU', 'timeFrame': 'participants will be followed for the duration of PACU stay, an expected average of 12 hours', 'description': 'Patients are kept calm and cooperative in the PACU. Agitation is defined as Riker-Agitation Scale(SAS)\\>=5.'}], 'secondaryOutcomes': [{'measure': 'Postoperative Delirium', 'timeFrame': 'on each of the 5 days postoperatively', 'description': 'Patients are sent back to wards the next morning after operation and followed up on each of the 5 days postoperatively. Delirium will be confirmed based on CAM-ICU method.'}]}, 'oversightModule': {'oversightHasDmc': True}, 'conditionsModule': {'keywords': ['agitation', 'delirium', 'dexmedetomidine', 'head and neck surgery', 'microvascular free tissue transfer', 'flap'], 'conditions': ['Agitation', 'Delirium']}, 'descriptionModule': {'briefSummary': "Reconstruction using microvascular free tissue flap has been an important management in patients with maxillofacial tumor. It is often characterised as long operation time, more traumatic and require restriction of patient's head movement postoperatively in order to prevent disruption of microvascular anastomosis. Agitation and delirium are common in patients with free flap surgery, which may lead to serious consequences such as self extubation, injury or even failure of the flap.\n\nDexmedetomidine is a sedative and co-analgesic drug with high specificity for α2-adrenoceptor. It is widely used in ICU sedation in general hospital. However its use after free flap surgery is not well documented. Furthermore the effect of Dexmedetomidine on preventing delirium has not been proved.\n\nThe investigators hypothesized that the use of Dexmedetomidine would reduce emergence agitation and prevent delirium in patients after free flap surgery."}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'maximumAge': '80 Years', 'minimumAge': '18 Years', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* patients undergoing selected maxillofacial surgery with free flap reconstruction\n* American Society of Anesthesiologist(ASA) classification I and II\n\nExclusion Criteria:\n\n* bradycardia (\\< 50 bpm)\n* severe heart block\n* low blood pressure(SBP\\<80mmHg)\n* Known allergy to alpha 2 agonists'}, 'identificationModule': {'nctId': 'NCT01904760', 'briefTitle': 'Dexmedetomidine to Prevent Agitation After Free Flap Surgery', 'organization': {'class': 'OTHER', 'fullName': 'Peking University'}, 'officialTitle': 'The Effect of Dexmedetomidine on Agitation and Delirium in Patients After Free Flap Reconstructive Surgery', 'orgStudyIdInfo': {'id': 'PKUSSIRB-2012006'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'dexmedetomidine', 'description': 'Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.', 'interventionNames': ['Drug: Dexmedetomidine']}, {'type': 'PLACEBO_COMPARATOR', 'label': 'control', 'description': 'Drug: Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.', 'interventionNames': ['Drug: Saline placebo']}], 'interventions': [{'name': 'Dexmedetomidine', 'type': 'DRUG', 'otherNames': ['Precedex'], 'description': 'Dexmedetomidine(4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day.', 'armGroupLabels': ['dexmedetomidine']}, {'name': 'Saline placebo', 'type': 'DRUG', 'description': 'Normal saline 0.9% (guess as 4㎍/mL) : 0.5㎍/kg/hr infusion for 1 hour before operation is completed and 0.2-0.7㎍/kg/hr infusion continuously until 6:00am the next day', 'armGroupLabels': ['control']}]}, 'contactsLocationsModule': {'locations': [{'zip': '100081', 'city': 'Beijing', 'state': 'Beijing Municipality', 'country': 'China', 'facility': 'School and Hospital of Stomatology', 'geoPoint': {'lat': 39.9075, 'lon': 116.39723}}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Peking University', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'vice director of the department of Anesthesiology', 'investigatorFullName': 'Yang Xudong', 'investigatorAffiliation': 'Peking University'}}}}