Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D009765', 'term': 'Obesity'}, {'id': 'D007333', 'term': 'Insulin Resistance'}], 'ancestors': [{'id': 'D050177', 'term': 'Overweight'}, {'id': 'D044343', 'term': 'Overnutrition'}, {'id': 'D009748', 'term': 'Nutrition Disorders'}, {'id': 'D009750', 'term': 'Nutritional and Metabolic Diseases'}, {'id': 'D001835', 'term': 'Body Weight'}, {'id': 'D012816', 'term': 'Signs and Symptoms'}, {'id': 'D013568', 'term': 'Pathological Conditions, Signs and Symptoms'}, {'id': 'D006946', 'term': 'Hyperinsulinism'}, {'id': 'D044882', 'term': 'Glucose Metabolism Disorders'}, {'id': 'D008659', 'term': 'Metabolic Diseases'}]}}, 'protocolSection': {'designModule': {'phases': ['PHASE1'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'SINGLE', 'whoMasked': ['PARTICIPANT']}, 'primaryPurpose': 'BASIC_SCIENCE', 'interventionModel': 'CROSSOVER'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 20}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2011-08'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2017-01', 'completionDateStruct': {'date': '2014-05', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2017-01-18', 'studyFirstSubmitDate': '2009-04-16', 'studyFirstSubmitQcDate': '2009-04-16', 'lastUpdatePostDateStruct': {'date': '2017-01-20', 'type': 'ESTIMATED'}, 'studyFirstPostDateStruct': {'date': '2009-04-20', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2014-05', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Evaluate the effect of ghrelin on insulin resistance in obese subject, as well as subjects in the immediate post-RYGB period.', 'timeFrame': '1 year'}]}, 'oversightModule': {'oversightHasDmc': False}, 'conditionsModule': {'keywords': ['Obesity', 'Insulin resistance', 'Ghrelin'], 'conditions': ['Obesity', 'Insulin Resistance', 'Normal Weight,Healthy Controls']}, 'referencesModule': {'references': [{'pmid': '26599819', 'type': 'DERIVED', 'citation': 'Garcia AE, Kasim N, Tamboli RA, Gonzalez RS, Antoun J, Eckert EA, Marks-Shulman PA, Dunn J, Wattacheril J, Wallen T, Abumrad NN, Flynn CR. Lipoprotein Profiles in Class III Obese Caucasian and African American Women with Nonalcoholic Fatty Liver Disease. PLoS One. 2015 Nov 23;10(11):e0142676. doi: 10.1371/journal.pone.0142676. eCollection 2015.'}]}, 'descriptionModule': {'briefSummary': "Ghrelin, a hormone produced in the stomach that stimulates hunger and food intake, declines immediately after weight loss surgery. Some studies suggest that ghrelin may worsen an individual's ability to respond to insulin. The purpose of this study is to determine if the decline in ghrelin levels after weight loss surgery contributes to the improvement of insulin sensitivity."}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'maximumAge': '65 Years', 'minimumAge': '18 Years', 'healthyVolunteers': True, 'eligibilityCriteria': 'Inclusion Criteria for RYGB group:\n\n* Age 18-65\n* BMI \\> 35 kg/m2\n* Scheduled for bariatric surgery at Vanderbilt University Medical Center\n\nInclusion Criteria for Lean group:\n\n* Age 18-65\n* BMI \\< 30kg/m2\n\nExclusion Criteria:\n\n* Prior bariatric surgery\n* Serum creatinine \\> 1.5 mg/dl\n* Hepatic enzyme elevations \\> 2x upper limits of normal\n* Current use of warfarin or clopidogrel\n* Intercurrent infections\n* Females with positive pregnancy test\n* Abnormal ECG'}, 'identificationModule': {'nctId': 'NCT00884494', 'briefTitle': 'Ghrelin and Insulin Resistance', 'organization': {'class': 'OTHER', 'fullName': 'Vanderbilt University Medical Center'}, 'officialTitle': 'Role of Ghrelin in the Improvement of Insulin Resistance After Roux-en-Y Gastric Bypass Surgery', 'orgStudyIdInfo': {'id': 'IRB#090362'}, 'secondaryIdInfos': [{'id': 'NIH: RO1-DK070860-01S1'}]}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'Roux-en-Y gastric bypass', 'interventionNames': ['Drug: Ghrelin infusion to assess effects on insulin sensitivity']}, {'type': 'EXPERIMENTAL', 'label': 'Lean', 'interventionNames': ['Drug: Ghrelin infusion to assess effects on insulin sensitivity']}], 'interventions': [{'name': 'Ghrelin infusion to assess effects on insulin sensitivity', 'type': 'DRUG', 'armGroupLabels': ['Lean', 'Roux-en-Y gastric bypass']}]}, 'contactsLocationsModule': {'locations': [{'zip': '37232', 'city': 'Nashville', 'state': 'Tennessee', 'country': 'United States', 'facility': 'Vanderbilt University Medical Center', 'geoPoint': {'lat': 36.16589, 'lon': -86.78444}}], 'overallOfficials': [{'name': 'Robyn Tamboli, PhD', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'Vanderbilt University Medical Center'}, {'name': 'Naji Abumrad, MD', 'role': 'STUDY_DIRECTOR', 'affiliation': 'Vanderbilt University Medical Center'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Vanderbilt University Medical Center', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Research Associate Professor', 'investigatorFullName': 'Robyn Tamboli', 'investigatorAffiliation': 'Vanderbilt University Medical Center'}}}}