Raw JSON
{'hasResults': True, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24', 'submissionTracking': {'firstMcpInfo': {'postDateStruct': {'date': '2021-01-11', 'type': 'ACTUAL'}}}}, 'conditionBrowseModule': {'meshes': [{'id': 'D059350', 'term': 'Chronic Pain'}], 'ancestors': [{'id': 'D010146', 'term': 'Pain'}, {'id': 'D009461', 'term': 'Neurologic Manifestations'}, {'id': 'D012816', 'term': 'Signs and Symptoms'}, {'id': 'D013568', 'term': 'Pathological Conditions, Signs and Symptoms'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'D000077212', 'term': 'Ropivacaine'}, {'id': 'D009407', 'term': 'Nerve Block'}], 'ancestors': [{'id': 'D000813', 'term': 'Anilides'}, {'id': 'D000577', 'term': 'Amides'}, {'id': 'D009930', 'term': 'Organic Chemicals'}, {'id': 'D000814', 'term': 'Aniline Compounds'}, {'id': 'D000588', 'term': 'Amines'}, {'id': 'D000765', 'term': 'Anesthesia, Conduction'}, {'id': 'D000758', 'term': 'Anesthesia'}, {'id': 'D000760', 'term': 'Anesthesia and Analgesia'}, {'id': 'D003714', 'term': 'Denervation'}, {'id': 'D019635', 'term': 'Neurosurgical Procedures'}, {'id': 'D013514', 'term': 'Surgical Procedures, Operative'}]}}, 'resultsSection': {'moreInfoModule': {'pointOfContact': {'email': 'jun-ming.zhang@uc.edu', 'phone': '5135582427', 'title': 'Jun-Ming Zhang, MD, MSc', 'organization': 'University of Cincinnati'}, 'certainAgreement': {'piSponsorEmployee': True}, 'limitationsAndCaveats': {'description': 'A problem encountered was that only 1 of the 6 subjects in the pump group received the full 5 days of treatment. The others discontinued using the pump early, primarily due to problems with catheter dislodgement/leakage. As specified in the statistical analysis plan, these subjects were all analyzed with intent-to-treat protocol and are included in the pump group data presented. Also, by chance, the distribution of males and females between the group was quite uneven.'}}, 'adverseEventsModule': {'timeFrame': 'Subjects were contacted daily by phone for the first five days after surgery (which corresponded to the duration of ambulatory ropivacaine pump use for subjects in the experimental group). Medical chart records were reviewed for adverse events for 3 months following the surgery.', 'description': 'The protocol incorporated FDA adverse event definitions and Good Clinical Practices.', 'eventGroups': [{'id': 'EG000', 'title': 'Standard Care', 'description': 'Single injection of ropivacaine immediately prior to surgery\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.', 'otherNumAtRisk': 8, 'deathsNumAtRisk': 8, 'otherNumAffected': 1, 'seriousNumAtRisk': 8, 'deathsNumAffected': 0, 'seriousNumAffected': 0}, {'id': 'EG001', 'title': 'Ropivacaine Pump', 'description': 'Single injection of ropivacaine immediately prior to surgery plus 5 day ambulatory popliteal nerve block.\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.\n\nNerve block: insertion of catheter to deliver continuous 5 day popliteal sciatic nerve block using a disposable ambulatory pain pump.', 'otherNumAtRisk': 6, 'deathsNumAtRisk': 6, 'otherNumAffected': 3, 'seriousNumAtRisk': 6, 'deathsNumAffected': 0, 'seriousNumAffected': 0}], 'otherEvents': [{'term': 'wound dehiscence', 'stats': [{'groupId': 'EG000', 'numAtRisk': 8, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 6, 'numEvents': 0, 'numAffected': 0}], 'organSystem': 'Surgical and medical procedures', 'assessmentType': 'NON_SYSTEMATIC_ASSESSMENT'}, {'term': 'metalic taste around lips', 'stats': [{'groupId': 'EG000', 'numAtRisk': 8, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 6, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Injury, poisoning and procedural complications', 'assessmentType': 'NON_SYSTEMATIC_ASSESSMENT'}, {'term': 'Lightheadedness, nausea,headache', 'stats': [{'groupId': 'EG000', 'numAtRisk': 8, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 6, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'General disorders', 'assessmentType': 'NON_SYSTEMATIC_ASSESSMENT'}, {'term': 'Colitis', 'stats': [{'groupId': 'EG000', 'numAtRisk': 8, 'numEvents': 0, 'numAffected': 0}, {'groupId': 'EG001', 'numAtRisk': 6, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Gastrointestinal disorders', 'assessmentType': 'NON_SYSTEMATIC_ASSESSMENT'}], 'frequencyThreshold': '0'}, 'outcomeMeasuresModule': {'outcomeMeasures': [{'type': 'PRIMARY', 'title': 'Pain Score at 12 Months - Experimental Group vs. Control Group', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '6', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Standard Care', 'description': 'Single injection of ropivacaine immediately prior to surgery\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.'}, {'id': 'OG001', 'title': 'Ropivacaine Pump', 'description': 'Single injection of ropivacaine immediately prior to surgery plus 5 day ambulatory popliteal nerve block.\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.\n\nNerve block: insertion of catheter to deliver continuous 5 day popliteal sciatic nerve block using a disposable ambulatory pain pump.'}], 'classes': [{'categories': [{'measurements': [{'value': '36.33', 'spread': '9.543', 'groupId': 'OG000'}, {'value': '44.00', 'spread': '1.414', 'groupId': 'OG001'}]}]}], 'analyses': [{'pValue': '0.1269', 'groupIds': ['OG000', 'OG001'], 'statisticalMethod': 'Wilcoxon (Mann-Whitney)', 'nonInferiorityType': 'OTHER'}], 'paramType': 'MEAN', 'timeFrame': 'at 12 months post surgery', 'description': 'Patients will complete Self-Administered Foot and Ankle Questionnaire (SEFAS) at 12 months post surgery. 0 = worst possible pain and function, 48 = no pain or dysfunction. Higher scores indicate a better outcome.', 'unitOfMeasure': 'units on a scale', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED', 'populationDescription': '2 subjects in standard care group were lost to follow-up and did not complete 12 month questionnaire but their questionnaires from earlier time points were included in the analyses.'}, {'type': 'SECONDARY', 'title': 'Pain Score at 2 Weeks - Experimental Group vs. Control Group', 'denoms': [{'units': 'Participants', 'counts': [{'value': '8', 'groupId': 'OG000'}, {'value': '6', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Standard Care', 'description': 'Single injection of ropivacaine immediately prior to surgery\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.'}, {'id': 'OG001', 'title': 'Ropivacaine Pump', 'description': 'Single injection of ropivacaine immediately prior to surgery plus 5 day ambulatory popliteal nerve block.\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.\n\nNerve block: insertion of catheter to deliver continuous 5 day popliteal sciatic nerve block using a disposable ambulatory pain pump.'}], 'classes': [{'categories': [{'measurements': [{'value': '16.22', 'spread': '6.637', 'groupId': 'OG000'}, {'value': '13.67', 'spread': '2.082', 'groupId': 'OG001'}]}]}], 'analyses': [{'pValue': '0.8808', 'groupIds': ['OG000', 'OG001'], 'statisticalMethod': 'Wilcoxon (Mann-Whitney)', 'nonInferiorityType': 'OTHER'}], 'paramType': 'MEAN', 'timeFrame': 'at 2 weeks post surgery', 'description': 'Patients will complete Self-Administered Foot and Ankle Questionnaire at 2 weeks post surgery. For this instrument, 0 = worst possible pain and function, 48 = no pain or dysfunction. Higher scores indicate a better outcome', 'unitOfMeasure': 'units on a scale', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}, {'type': 'SECONDARY', 'title': 'Pain Score at 3 Months - Experimental Group vs. Control Group', 'denoms': [{'units': 'Participants', 'counts': [{'value': '8', 'groupId': 'OG000'}, {'value': '6', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Standard Care', 'description': 'Single injection of ropivacaine immediately prior to surgery\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.'}, {'id': 'OG001', 'title': 'Ropivacaine Pump', 'description': 'Single injection of ropivacaine immediately prior to surgery plus 5 day ambulatory popliteal nerve block.\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.\n\nNerve block: insertion of catheter to deliver continuous 5 day popliteal sciatic nerve block using a disposable ambulatory pain pump.'}], 'classes': [{'categories': [{'measurements': [{'value': '26.25', 'spread': '7.869', 'groupId': 'OG000'}, {'value': '35.71', 'spread': '5.489', 'groupId': 'OG001'}]}]}], 'analyses': [{'pValue': '0.0382', 'groupIds': ['OG000', 'OG001'], 'statisticalMethod': 'Wilcoxon (Mann-Whitney)', 'nonInferiorityType': 'OTHER'}], 'paramType': 'MEAN', 'timeFrame': 'at 3 months post surgery', 'description': 'Patients will complete Self-Administered Foot and Ankle Questionnaire at 3 months post surgery. 0 = worst possible pain and function, 48 = no pain or dysfunction. Higher scores indicate a better outcome.', 'unitOfMeasure': 'units on a scale', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}, {'type': 'SECONDARY', 'title': 'Pain Score at 6 Months - Experimental Group vs. Control Group', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '6', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Standard Care', 'description': 'Single injection of ropivacaine immediately prior to surgery\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.'}, {'id': 'OG001', 'title': 'Ropivacaine Ppump', 'description': 'Single injection of ropivacaine immediately prior to surgery plus 5 day ambulatory popliteal nerve block.\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.\n\nNerve block: insertion of catheter to deliver continuous 5 day popliteal sciatic nerve block using a disposable ambulatory pain pump.'}], 'classes': [{'categories': [{'measurements': [{'value': '34.00', 'spread': '9.011', 'groupId': 'OG000'}, {'value': '37.67', 'spread': '3.724', 'groupId': 'OG001'}]}]}], 'analyses': [{'pValue': '0.4696', 'groupIds': ['OG000', 'OG001'], 'statisticalMethod': 'Wilcoxon (Mann-Whitney)', 'nonInferiorityType': 'OTHER'}], 'paramType': 'MEAN', 'timeFrame': 'at 6 months post surgery', 'description': 'Patients will complete Self-Administered Foot and Ankle Questionnaire at 6 months post surgery. 0 = worst possible pain and function, 48 = no pain or dysfunction. Higher scores indicate a better outcome.', 'unitOfMeasure': 'units on a scale', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}, {'type': 'SECONDARY', 'title': 'Incidence of Chronic Ankle Pain Diagnoses - Experimental Group vs. Control Group', 'denoms': [{'units': 'Participants', 'counts': [{'value': '6', 'groupId': 'OG000'}, {'value': '6', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Standard Care', 'description': 'Single injection of ropivacaine immediately prior to surgery\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.'}, {'id': 'OG001', 'title': 'Ropivacaine Pump', 'description': 'Single injection of ropivacaine immediately prior to surgery plus 5 day ambulatory popliteal nerve block.\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.\n\nNerve block: insertion of catheter to deliver continuous 5 day popliteal sciatic nerve block using a disposable ambulatory pain pump.'}], 'classes': [{'categories': [{'title': 'SEFAS Score >=40', 'measurements': [{'value': '3', 'groupId': 'OG000'}, {'value': '6', 'groupId': 'OG001'}]}, {'title': 'SEFAS Score <40', 'measurements': [{'value': '3', 'groupId': 'OG000'}, {'value': '0', 'groupId': 'OG001'}]}]}], 'analyses': [{'pValue': '0.1818', 'groupIds': ['OG000', 'OG001'], 'statisticalMethod': 'Fisher Exact', 'nonInferiorityType': 'OTHER'}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': 'at 1 year post surgery', 'description': 'Incidence of chronic ankle pain diagnoses one year after surgery obtained from the medical record was originally planned but proved difficult to obtain. Here we provide the number of patients with a 12 month Self-Administered Foot and Ankle Questionnaire score lower than 40 at the 12 month time point. For this instrument, 48 = no pain or disability; 0 = maximum pain and disability. Scores of 40 below were interpreted to indicate ongoing ankle pain of significance for pain and function, for example, at least 8 of the 12 questions being scored less than the optimal value of 4. Scores from 40 to 48 were interpreted as indicating normal or near normal function of the affected ankle.', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED'}]}, 'participantFlowModule': {'groups': [{'id': 'FG000', 'title': 'Standard Care', 'description': 'Single injection of ropivacaine immediately prior to surgery\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.'}, {'id': 'FG001', 'title': 'Ropivacaine Pump', 'description': 'Single injection of ropivacaine immediately prior to surgery plus 5 day ambulatory popliteal nerve block.\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.\n\nNerve block: insertion of catheter to deliver continuous 5 day popliteal sciatic nerve block using a disposable ambulatory pain pump.'}], 'periods': [{'title': 'Overall Study', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '8'}, {'groupId': 'FG001', 'numSubjects': '6'}]}, {'type': '12 Month Pain Questionnaire', 'achievements': [{'groupId': 'FG000', 'numSubjects': '6'}, {'groupId': 'FG001', 'numSubjects': '6'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '6'}, {'groupId': 'FG001', 'numSubjects': '6'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '0'}]}], 'dropWithdraws': [{'type': 'Lost to Follow-up', 'reasons': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '0'}]}]}], 'recruitmentDetails': 'Patients scheduled for open reduction and fixation of an ankle fracture were recruited from hospitals and outpatient surgery centers associated with the University of Cincinnati. Recruitment was delayed by a national ropivacaine shortage. Recruitment occurred between May 2018 and June 2019.'}, 'baselineCharacteristicsModule': {'denoms': [{'units': 'Participants', 'counts': [{'value': '8', 'groupId': 'BG000'}, {'value': '6', 'groupId': 'BG001'}, {'value': '14', 'groupId': 'BG002'}]}], 'groups': [{'id': 'BG000', 'title': 'Standard Care', 'description': 'Single injection of ropivacaine immediately prior to surgery\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.'}, {'id': 'BG001', 'title': 'Ropivacaine Pump', 'description': 'Single injection of ropivacaine immediately prior to surgery plus 5 day ambulatory popliteal nerve block.\n\nRopivacaine: Single injection of ropivacaine immediately prior to surgery.\n\nNerve block: insertion of catheter to deliver continuous 5 day popliteal sciatic nerve block using a disposable ambulatory pain pump.'}, {'id': 'BG002', 'title': 'Total', 'description': 'Total of all reporting groups'}], 'measures': [{'title': 'Age, Categorical', 'classes': [{'categories': [{'title': '<=18 years', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Between 18 and 65 years', 'measurements': [{'value': '8', 'groupId': 'BG000'}, {'value': '6', 'groupId': 'BG001'}, {'value': '14', 'groupId': 'BG002'}]}, {'title': '>=65 years', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Age, Continuous', 'classes': [{'categories': [{'measurements': [{'value': '44.13', 'spread': '10.09', 'groupId': 'BG000'}, {'value': '43.17', 'spread': '15.41', 'groupId': 'BG001'}, {'value': '43.71', 'spread': '12.10', 'groupId': 'BG002'}]}]}], 'paramType': 'MEAN', 'unitOfMeasure': 'years', 'dispersionType': 'STANDARD_DEVIATION'}, {'title': 'Sex: Female, Male', 'classes': [{'categories': [{'title': 'Female', 'measurements': [{'value': '2', 'groupId': 'BG000'}, {'value': '5', 'groupId': 'BG001'}, {'value': '7', 'groupId': 'BG002'}]}, {'title': 'Male', 'measurements': [{'value': '6', 'groupId': 'BG000'}, {'value': '1', 'groupId': 'BG001'}, {'value': '7', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Race (NIH/OMB)', 'classes': [{'categories': [{'title': 'American Indian or Alaska Native', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Asian', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Native Hawaiian or Other Pacific Islander', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Black or African American', 'measurements': [{'value': '1', 'groupId': 'BG000'}, {'value': '1', 'groupId': 'BG001'}, {'value': '2', 'groupId': 'BG002'}]}, {'title': 'White', 'measurements': [{'value': '7', 'groupId': 'BG000'}, {'value': '5', 'groupId': 'BG001'}, {'value': '12', 'groupId': 'BG002'}]}, {'title': 'More than one race', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Unknown or Not Reported', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Region of Enrollment', 'classes': [{'title': 'United States', 'categories': [{'measurements': [{'value': '8', 'groupId': 'BG000'}, {'value': '6', 'groupId': 'BG001'}, {'value': '14', 'groupId': 'BG002'}]}]}], 'paramType': 'NUMBER', 'unitOfMeasure': 'participants'}, {'title': 'BMI (body mass index)', 'classes': [{'categories': [{'measurements': [{'value': '31.17', 'spread': '5.538', 'groupId': 'BG000'}, {'value': '31.53', 'spread': '3.886', 'groupId': 'BG001'}, {'value': '31.32', 'spread': '4.728', 'groupId': 'BG002'}]}]}], 'paramType': 'MEAN', 'unitOfMeasure': 'kg/m^2', 'dispersionType': 'STANDARD_DEVIATION'}]}}, 'documentSection': {'largeDocumentModule': {'largeDocs': [{'date': '2018-11-30', 'size': 646194, 'label': 'Study Protocol', 'hasIcf': False, 'hasSap': False, 'filename': 'Prot_001.pdf', 'typeAbbrev': 'Prot', 'uploadDate': '2020-12-11T13:29', 'hasProtocol': True}, {'date': '2017-12-14', 'size': 404986, 'label': 'Statistical Analysis Plan', 'hasIcf': False, 'hasSap': True, 'filename': 'SAP_000.pdf', 'typeAbbrev': 'SAP', 'uploadDate': '2017-12-20T15:03', 'hasProtocol': False}]}}, 'protocolSection': {'designModule': {'phases': ['PHASE4'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'PARALLEL'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 14}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2018-05-29', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2021-06', 'completionDateStruct': {'date': '2020-06-19', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2021-06-30', 'studyFirstSubmitDate': '2016-10-04', 'resultsFirstSubmitDate': '2020-12-11', 'studyFirstSubmitQcDate': '2016-10-27', 'lastUpdatePostDateStruct': {'date': '2021-07-02', 'type': 'ACTUAL'}, 'resultsFirstSubmitQcDate': '2021-06-30', 'studyFirstPostDateStruct': {'date': '2016-11-01', 'type': 'ESTIMATED'}, 'resultsFirstPostDateStruct': {'date': '2021-07-02', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2019-11-14', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Pain Score at 12 Months - Experimental Group vs. Control Group', 'timeFrame': 'at 12 months post surgery', 'description': 'Patients will complete Self-Administered Foot and Ankle Questionnaire (SEFAS) at 12 months post surgery. 0 = worst possible pain and function, 48 = no pain or dysfunction. Higher scores indicate a better outcome.'}], 'secondaryOutcomes': [{'measure': 'Pain Score at 2 Weeks - Experimental Group vs. Control Group', 'timeFrame': 'at 2 weeks post surgery', 'description': 'Patients will complete Self-Administered Foot and Ankle Questionnaire at 2 weeks post surgery. For this instrument, 0 = worst possible pain and function, 48 = no pain or dysfunction. Higher scores indicate a better outcome'}, {'measure': 'Pain Score at 3 Months - Experimental Group vs. Control Group', 'timeFrame': 'at 3 months post surgery', 'description': 'Patients will complete Self-Administered Foot and Ankle Questionnaire at 3 months post surgery. 0 = worst possible pain and function, 48 = no pain or dysfunction. Higher scores indicate a better outcome.'}, {'measure': 'Pain Score at 6 Months - Experimental Group vs. Control Group', 'timeFrame': 'at 6 months post surgery', 'description': 'Patients will complete Self-Administered Foot and Ankle Questionnaire at 6 months post surgery. 0 = worst possible pain and function, 48 = no pain or dysfunction. Higher scores indicate a better outcome.'}, {'measure': 'Incidence of Chronic Ankle Pain Diagnoses - Experimental Group vs. Control Group', 'timeFrame': 'at 1 year post surgery', 'description': 'Incidence of chronic ankle pain diagnoses one year after surgery obtained from the medical record was originally planned but proved difficult to obtain. Here we provide the number of patients with a 12 month Self-Administered Foot and Ankle Questionnaire score lower than 40 at the 12 month time point. For this instrument, 48 = no pain or disability; 0 = maximum pain and disability. Scores of 40 below were interpreted to indicate ongoing ankle pain of significance for pain and function, for example, at least 8 of the 12 questions being scored less than the optimal value of 4. Scores from 40 to 48 were interpreted as indicating normal or near normal function of the affected ankle.'}]}, 'oversightModule': {'oversightHasDmc': True, 'isFdaRegulatedDrug': True, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'conditions': ['Chronic Pain', 'Ankle Fracture Surgery', 'Regional Anesthesia']}, 'descriptionModule': {'briefSummary': 'This pilot study will test the hypothesis that prolonged regional peripheral nerve block will reduce development of chronic pain in patients undergoing surgery for ankle fracture compared to standard of care. Subjects will be followed for one year.', 'detailedDescription': 'This pilot study will test the hypothesis that prolonged regional peripheral nerve block will reduce development of chronic pain in patients undergoing surgery for ankle fracture. Regional nerve block using local anesthetics delivered by ambulatory pump is used in some types of surgeries but is not routine for ankle fracture patients in our hospitals. Patients will be randomized to standard care (single shot peripheral nerve block prior to surgery) or experimental (the same single shot nerve block, followed by continuous popliteal nerve block with ropivacaine starting just after surgery). The primary outcome will be scores on a validated ankle/foot pain questionnaire that includes questions on function. Subjects will be followed for one year. Secondary outcome will be postoperative opioid use.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'maximumAge': '65 Years', 'minimumAge': '18 Years', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Referred for surgery for open reduction and internal fixation for ankle fracture\n\nExclusion Criteria:\n\n* Unable to give informed consent in English\n* Unable to complete surveys in English\n* Unable to understand instructions for using pump in English\n* Unavailable for followup\n* Polytrauma; undergoing other surgeries or having other orthopedic injuries related to the precipitating cause of the ankle fracture\n* Infection\n* Peripheral vascular disease\n* Diabetes\n* Currently undergoing chemotherapy\n* Pregnancy\n* Currently lactating\n* Heart disease or heart rhythm disorder or taking anti-arrhythmic drugs\n* Severe renal impairment (Class 3 or worse kidney disease)\n* Liver disease (cirrhosis or liver failure)\n* Prior allergic reaction to any type of local anesthetic\n* Taking therapeutic doses of anti-coagulants or anti-platelet therapy (prophylactic doses started because of hospital admission are not an exclusion)\n* Currently taking antidepressants or other psychiatric medications\n* Single shot local nerve block prior to surgery was ineffective\n* Selected for neuraxial anesthesia rather than general anesthesia for the open reduction surgery\n* Already receiving chronic analgesic therapy for a separate chronic pain condition'}, 'identificationModule': {'nctId': 'NCT02950558', 'briefTitle': 'Anesthesia for Pain After Ankle Fracture Surgery', 'organization': {'class': 'OTHER', 'fullName': 'University of Cincinnati'}, 'officialTitle': 'Pilot Study: Extended Regional Anesthesia to Prevent Chronic Pain After Ankle Fracture Surgery', 'orgStudyIdInfo': {'id': 'Zhang2016'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'ACTIVE_COMPARATOR', 'label': 'Ropivacaine', 'description': 'Single injection of ropivacaine immediately prior to surgery', 'interventionNames': ['Drug: Ropivacaine']}, {'type': 'EXPERIMENTAL', 'label': 'Ropivacaine plus Nerve Block', 'description': 'Single injection of ropivacaine immediately prior to surgery plus 5 day ambulatory popliteal nerve block.', 'interventionNames': ['Drug: Ropivacaine', 'Procedure: Nerve block']}], 'interventions': [{'name': 'Ropivacaine', 'type': 'DRUG', 'otherNames': ['Naropin'], 'description': 'Single injection of ropivacaine immediately prior to surgery.', 'armGroupLabels': ['Ropivacaine', 'Ropivacaine plus Nerve Block']}, {'name': 'Nerve block', 'type': 'PROCEDURE', 'otherNames': ['no other name'], 'description': 'insertion of catheter to deliver continuous 5 day popliteal sciatic nerve block using a disposable ambulatory pain pump.', 'armGroupLabels': ['Ropivacaine plus Nerve Block']}]}, 'contactsLocationsModule': {'locations': [{'zip': '45216', 'city': 'Cincinnati', 'state': 'Ohio', 'country': 'United States', 'facility': 'University of Cincinnati Medical Center', 'geoPoint': {'lat': 39.12711, 'lon': -84.51439}}, {'zip': '45069', 'city': 'West Chester', 'state': 'Ohio', 'country': 'United States', 'facility': 'UC Health West Chester Hosptial', 'geoPoint': {'lat': 39.33172, 'lon': -84.40716}}], 'overallOfficials': [{'name': 'Jun-Ming Zhang, MD, MSc', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'University of Cincinnati'}]}, 'ipdSharingStatementModule': {'ipdSharing': 'NO'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'University of Cincinnati', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Professor of Anesthesia', 'investigatorFullName': 'Jun-ming Zhang', 'investigatorAffiliation': 'University of Cincinnati'}}}}