Raw JSON
{'hasResults': True, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D029424', 'term': 'Pulmonary Disease, Chronic Obstructive'}, {'id': 'D004417', 'term': 'Dyspnea'}, {'id': 'D009043', 'term': 'Motor Activity'}], 'ancestors': [{'id': 'D008173', 'term': 'Lung Diseases, Obstructive'}, {'id': 'D008171', 'term': 'Lung Diseases'}, {'id': 'D012140', 'term': 'Respiratory Tract Diseases'}, {'id': 'D002908', 'term': 'Chronic Disease'}, {'id': 'D020969', 'term': 'Disease Attributes'}, {'id': 'D010335', 'term': 'Pathologic Processes'}, {'id': 'D013568', 'term': 'Pathological Conditions, Signs and Symptoms'}, {'id': 'D012120', 'term': 'Respiration Disorders'}, {'id': 'D012818', 'term': 'Signs and Symptoms, Respiratory'}, {'id': 'D012816', 'term': 'Signs and Symptoms'}, {'id': 'D001519', 'term': 'Behavior'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'D005283', 'term': 'Fentanyl'}, {'id': 'D000077330', 'term': 'Saline Solution'}], 'ancestors': [{'id': 'D010880', 'term': 'Piperidines'}, {'id': 'D006573', 'term': 'Heterocyclic Compounds, 1-Ring'}, {'id': 'D006571', 'term': 'Heterocyclic Compounds'}, {'id': 'D000077324', 'term': 'Crystalloid Solutions'}, {'id': 'D007552', 'term': 'Isotonic Solutions'}, {'id': 'D012996', 'term': 'Solutions'}, {'id': 'D004364', 'term': 'Pharmaceutical Preparations'}]}}, 'resultsSection': {'moreInfoModule': {'pointOfContact': {'email': 'odonnell@queensu.ca', 'phone': '1-613-548-2339', 'title': "Dr. Denis O'Donnell", 'organization': "Queen's University, Kingston, ON, Canada"}, 'certainAgreement': {'piSponsorEmployee': False, 'restrictiveAgreement': False}}, 'adverseEventsModule': {'timeFrame': 'During visit, with appropriate follow-up to resolution of adverse event', 'eventGroups': [{'id': 'EG000', 'title': 'Placebo', 'description': 'nebulized 0.9% saline placebo', 'otherNumAtRisk': 16, 'otherNumAffected': 2, 'seriousNumAtRisk': 16, 'seriousNumAffected': 0}, {'id': 'EG001', 'title': 'Fentanyl', 'description': 'nebulized fentanyl citrate (50 mcg)', 'otherNumAtRisk': 16, 'otherNumAffected': 1, 'seriousNumAtRisk': 16, 'seriousNumAffected': 0}], 'otherEvents': [{'term': 'lightheadedness, dizziness and mild nausea', 'notes': 'Lightheadedness, dizziness and mild nausea was experienced during and immediately after nebulization of the study medication. Symptoms quickly resolved but resulted in discontinuation from the study.', 'stats': [{'groupId': 'EG000', 'numAtRisk': 16, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 16, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'Nervous system disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'severe dyspnea', 'notes': 'Severe dyspnea was experienced during the nebulization of study medication. This resolved quickly after discontinuing nebulization but resulted in withdrawal from the study.', 'stats': [{'groupId': 'EG000', 'numAtRisk': 16, 'numEvents': 1, 'numAffected': 1}, {'groupId': 'EG001', 'numAtRisk': 16, 'numEvents': 0, 'numAffected': 0}], 'organSystem': 'Respiratory, thoracic and mediastinal disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}], 'frequencyThreshold': '0'}, 'outcomeMeasuresModule': {'outcomeMeasures': [{'type': 'PRIMARY', 'title': 'Dyspnea Intensity Measured by the 10-point Borg Scale During Cycle Exercise', 'denoms': [{'units': 'Participants', 'counts': [{'value': '12', 'groupId': 'OG000'}, {'value': '12', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Placebo', 'description': 'nebulized 0.9% saline placebo'}, {'id': 'OG001', 'title': 'Fentanyl', 'description': 'nebulized fentanyl citrate (50 mcg)'}], 'classes': [{'categories': [{'measurements': [{'value': '2.6', 'spread': '0.5', 'groupId': 'OG000'}, {'value': '2.0', 'spread': '0.5', 'groupId': 'OG001'}]}]}], 'paramType': 'MEAN', 'timeFrame': '10-minutes post-treatment', 'description': 'The 10-point Borg scale ranges from 0 "nothing at all" to 10 "maximal/extremely strong" and was used to rate the intensity of dyspnea during exercise; therefore, a decrease in this rating signifies an improvement. Dyspnea intensity was assessed at the highest equivalent standardized time achieved in both post-treatment constant work rate cycle exercise tests.', 'unitOfMeasure': 'units on a scale', 'dispersionType': 'Standard Error', 'reportingStatus': 'POSTED', 'populationDescription': 'Subjects who completed both treatment arms of the crossover study were included in the primary analysis.'}, {'type': 'SECONDARY', 'title': 'Cycle Exercise Endurance Time', 'denoms': [{'units': 'Participants', 'counts': [{'value': '12', 'groupId': 'OG000'}, {'value': '12', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Placebo', 'description': 'nebulized 0.9% saline placebo'}, {'id': 'OG001', 'title': 'Fentanyl', 'description': 'nebulized fentanyl citrate (50 mcg)'}], 'classes': [{'categories': [{'measurements': [{'value': '6.04', 'spread': '0.56', 'groupId': 'OG000'}, {'value': '7.34', 'spread': '0.70', 'groupId': 'OG001'}]}]}], 'paramType': 'MEAN', 'timeFrame': '10-minutes post-treatment', 'description': 'Constant workrate cycle endurance during tests at 75% of the peak incremental workrate', 'unitOfMeasure': 'minutes', 'dispersionType': 'Standard Error', 'reportingStatus': 'POSTED', 'populationDescription': 'Subjects completing both treatment arms were included in this analysis'}]}, 'participantFlowModule': {'groups': [{'id': 'FG000', 'title': 'Placebo - Fentanyl (Order)', 'description': 'nebulized 0.9% saline placebo in period 1, nebulized fentanyl citrate 50mcg in period 2'}, {'id': 'FG001', 'title': 'Fentanyl - Placebo (Order)', 'description': 'nebulized fentanyl citrate (50 mcg) in period 1, nebulized 0.9% saline placebo in period 2'}], 'periods': [{'title': 'Treatment Period 1', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '9'}, {'groupId': 'FG001', 'numSubjects': '7'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '7'}, {'groupId': 'FG001', 'numSubjects': '5'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '2'}]}], 'dropWithdraws': [{'type': 'Adverse Event', 'reasons': [{'groupId': 'FG000', 'numSubjects': '2'}, {'groupId': 'FG001', 'numSubjects': '1'}]}, {'type': 'noncompliant subjects', 'reasons': [{'groupId': 'FG000', 'numSubjects': '0'}, {'groupId': 'FG001', 'numSubjects': '1'}]}]}, {'title': 'Treatment Period 2', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '7'}, {'groupId': 'FG001', 'numSubjects': '5'}]}, {'type': 'COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '7'}, {'groupId': 'FG001', 'numSubjects': '5'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '0'}, {'groupId': 'FG001', 'numSubjects': '0'}]}]}], 'recruitmentDetails': 'Recruitment took place between February and October 2010. Subjects were recruited from respiratory outpatient clinics and from a database of subjects who had previously taken part in research studies in COPD.', 'preAssignmentDetails': 'No enrolled subjects were excluded prior to group assignment.\n\n7 subjects were assigned a treatment order of fentanyl-placebo (2 were withdrawn after period 1) and 9 subjects were assigned a treatment order of placebo-fentanyl (2 were withdrawn after period 1). Therefore, there was complete data from 12 subjects.'}, 'baselineCharacteristicsModule': {'denoms': [{'units': 'Participants', 'counts': [{'value': '9', 'groupId': 'BG000'}, {'value': '7', 'groupId': 'BG001'}, {'value': '16', 'groupId': 'BG002'}]}], 'groups': [{'id': 'BG000', 'title': 'Placebo - Fentanyl (Order)', 'description': 'nebulized saline placebo in period 1, nebulized fentanyl citrate in period 2.'}, {'id': 'BG001', 'title': 'Fentanyl - Placebo (Order)', 'description': 'nebulized fentanyl citrate in period 1, nebulized saline placebo in period 2.'}, {'id': 'BG002', 'title': 'Total', 'description': 'Total of all reporting groups'}], 'measures': [{'title': 'Age, Continuous', 'classes': [{'categories': [{'measurements': [{'value': '69', 'spread': '8', 'groupId': 'BG000'}, {'value': '66', 'spread': '10', 'groupId': 'BG001'}, {'value': '68', 'spread': '9', 'groupId': 'BG002'}]}]}], 'paramType': 'MEAN', 'unitOfMeasure': 'years', 'dispersionType': 'STANDARD_DEVIATION'}, {'title': 'Sex: Female, Male', 'classes': [{'categories': [{'title': 'Female', 'measurements': [{'value': '3', 'groupId': 'BG000'}, {'value': '4', 'groupId': 'BG001'}, {'value': '7', 'groupId': 'BG002'}]}, {'title': 'Male', 'measurements': [{'value': '6', 'groupId': 'BG000'}, {'value': '3', 'groupId': 'BG001'}, {'value': '9', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Region of Enrollment', 'classes': [{'title': 'Canada', 'categories': [{'measurements': [{'value': '9', 'groupId': 'BG000'}, {'value': '7', 'groupId': 'BG001'}, {'value': '16', 'groupId': 'BG002'}]}]}], 'paramType': 'NUMBER', 'unitOfMeasure': 'participants'}]}}, 'protocolSection': {'designModule': {'phases': ['NA'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'QUADRUPLE', 'whoMasked': ['PARTICIPANT', 'CARE_PROVIDER', 'INVESTIGATOR', 'OUTCOMES_ASSESSOR']}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'CROSSOVER'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 16}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2010-01'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2019-07', 'completionDateStruct': {'date': '2010-12', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2019-07-10', 'studyFirstSubmitDate': '2009-09-09', 'resultsFirstSubmitDate': '2013-09-25', 'studyFirstSubmitQcDate': '2009-09-09', 'lastUpdatePostDateStruct': {'date': '2019-07-12', 'type': 'ACTUAL'}, 'resultsFirstSubmitQcDate': '2015-11-19', 'studyFirstPostDateStruct': {'date': '2009-09-10', 'type': 'ESTIMATED'}, 'resultsFirstPostDateStruct': {'date': '2015-12-30', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2010-12', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Dyspnea Intensity Measured by the 10-point Borg Scale During Cycle Exercise', 'timeFrame': '10-minutes post-treatment', 'description': 'The 10-point Borg scale ranges from 0 "nothing at all" to 10 "maximal/extremely strong" and was used to rate the intensity of dyspnea during exercise; therefore, a decrease in this rating signifies an improvement. Dyspnea intensity was assessed at the highest equivalent standardized time achieved in both post-treatment constant work rate cycle exercise tests.'}], 'secondaryOutcomes': [{'measure': 'Cycle Exercise Endurance Time', 'timeFrame': '10-minutes post-treatment', 'description': 'Constant workrate cycle endurance during tests at 75% of the peak incremental workrate'}]}, 'oversightModule': {'oversightHasDmc': False}, 'conditionsModule': {'keywords': ['inhaled fentanyl', 'dyspnea', 'exercise', 'COPD'], 'conditions': ['Chronic Obstructive Pulmonary Disease']}, 'descriptionModule': {'briefSummary': 'Breathing discomfort (dyspnea) and activity limitation are dominant symptoms of chronic obstructive pulmonary disease (COPD) and contribute to poor health-related quality of life in this population. Several small, uncontrolled studies and published case reports have provided evidence that inhaled fentanyl, a powerful pain relieving (opioid) medication, may be used to effectively reduce breathing discomfort in patients with advanced disease. However, the mechanisms of this improvement remain unclear. Therefore, the investigators plan to conduct the first randomized, double-blind, placebo-controlled, crossover study designed to explore the possible mechanisms of action of inhaled fentanyl on activity-related dyspnea and exercise performance in patients with advanced COPD.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '40 Years', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Post-bronchodilator forced expiratory volume in 1 sec (FEV1) 30-79% predicted, FEV1/forced vital capacity (FVC) ratio \\<70%;\n* Clinically stable as defined by no changes in medication dosage or frequency of administration with no exacerbations or hospital admissions in the preceding 6 weeks;\n* A cigarette smoking history ≥20 pack-years;\n* Significant chronic activity-related dyspnea as defined by a Baseline Dyspnea Index focal score ≤ 6;\n* Body mass index (BMI) between 18.5 and 30.0 kg/m2;\n* Able to perform all study procedures and provide/sign informed consent.\n\nExclusion Criteria:\n\n* A diffusing capacity of the lung for carbon monoxide (DLCO) \\<40 %predicted;\n* Presence of active cardiopulmonary disease other than COPD that could contribute to dyspnea and exercise limitation;\n* Clinical diagnosis of sleep disordered breathing;\n* A history/clinical evidence of asthma, atopy and/or nasal polyps;\n* History of allergy or adverse reaction to fentanyl;\n* Presence of important contraindications to clinical exercise testing, including inability to exercise because of neuromuscular or musculoskeletal disease(s);\n* Use of daytime oxygen or exercise-induced arterial oxygen desaturation to \\<80% on room air;\n* Use of antidepressant drugs (i.e., monoamine oxidase inhibitors, serotonin reuptake inhibitors) in previous 2 weeks;\n* Use of opioid or pain relieving drugs (e.g., morphine, fentanyl, oxycodone, hydromorphone, methadone, levorphanol, codeine, hydrocodone, meperidine) in previous 4 weeks.'}, 'identificationModule': {'nctId': 'NCT00974220', 'briefTitle': 'Effect of Inhaled Fentanyl on Dyspnea and Exercise Tolerance in Chronic Obstructive Pulmonary Disease (COPD)', 'organization': {'class': 'OTHER', 'fullName': "Queen's University"}, 'officialTitle': 'Effect of Inhaled Nebulized Fentanyl on Exertional Dyspnea and Exercise Tolerance in Patients With Moderate-to-severe COPD', 'orgStudyIdInfo': {'id': 'DSS16327'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'PLACEBO_COMPARATOR', 'label': 'placebo', 'description': 'nebulized 0.9% saline placebo', 'interventionNames': ['Drug: normal saline (placebo)']}, {'type': 'EXPERIMENTAL', 'label': 'fentanyl', 'description': 'nebulized fentanyl citrate (50 mcg)', 'interventionNames': ['Drug: fentanyl']}], 'interventions': [{'name': 'fentanyl', 'type': 'DRUG', 'description': 'single dose, 50 mcg of nebulized fentanyl citrate', 'armGroupLabels': ['fentanyl']}, {'name': 'normal saline (placebo)', 'type': 'DRUG', 'description': 'single dose, 0.9% saline solution', 'armGroupLabels': ['placebo']}]}, 'contactsLocationsModule': {'locations': [{'zip': 'K7L 2V7', 'city': 'Kingston', 'state': 'Ontario', 'country': 'Canada', 'facility': 'Respiratory Investigation Unit, Kingston General Hospital', 'geoPoint': {'lat': 44.22976, 'lon': -76.48098}}], 'overallOfficials': [{'name': "Denis E O'Donnell, MD, FRCPC", 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': "Queen's University and Kingston General Hospital"}, {'name': 'Deborah Dudgeon, MD, FRCPC', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': "Queen's University and Kingston General Hospital"}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': "Queen's University", 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Principal Investigator', 'investigatorFullName': "Dr. Denis O'Donnell", 'investigatorAffiliation': "Queen's University"}}}}