Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D001024', 'term': 'Aortic Valve Stenosis'}], 'ancestors': [{'id': 'D000082862', 'term': 'Aortic Valve Disease'}, {'id': 'D006349', 'term': 'Heart Valve Diseases'}, {'id': 'D006331', 'term': 'Heart Diseases'}, {'id': 'D002318', 'term': 'Cardiovascular Diseases'}, {'id': 'D014694', 'term': 'Ventricular Outflow Obstruction'}]}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'PROSPECTIVE', 'observationalModel': 'COHORT'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 12}, 'patientRegistry': False}, 'statusModule': {'whyStopped': 'Difficulty enrolling patients', 'overallStatus': 'TERMINATED', 'startDateStruct': {'date': '2013-12'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2016-12', 'completionDateStruct': {'date': '2014-01', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2016-12-20', 'studyFirstSubmitDate': '2013-11-08', 'studyFirstSubmitQcDate': '2013-12-06', 'lastUpdatePostDateStruct': {'date': '2016-12-22', 'type': 'ESTIMATED'}, 'studyFirstPostDateStruct': {'date': '2013-12-11', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2014-01', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Minimal luminal size for aorta and ileofemoral arteries', 'timeFrame': '3 hours', 'description': 'Compare luminal diameter for each segment of the ileofemoral arteries and aorta between MRI and CT'}], 'secondaryOutcomes': [{'measure': 'Graded image quality', 'timeFrame': '3 hours', 'description': 'Compare graded image quality for ileofemoral arteries, aorta, and aortic annulus between MRI and CT'}, {'measure': 'Annular size', 'timeFrame': '3 hours', 'description': 'Compare annular diameter, area, and perimeter between MRI and CT'}]}, 'oversightModule': {'oversightHasDmc': False}, 'conditionsModule': {'conditions': ['Aortic Valve Stenosis']}, 'descriptionModule': {'briefSummary': 'The overall objective of this proposal is to examine the feasibility and accuracy of non-contrast magnetic resonance angiography (MRA) to comprehensively evaluate individuals referred for transcatheter aortic valve implantation (TAVI).'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['CHILD', 'ADULT', 'OLDER_ADULT'], 'samplingMethod': 'NON_PROBABILITY_SAMPLE', 'studyPopulation': 'Study population will include patients undergoing clinically indicated computed tomography angiography for evaluation for possible transcatheter aortic valve implantation.', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Adults with severe aortic stenosis referred for possible transcatheter aortic valve implantation with clinically indicated computed tomography imaging\n\nExclusion Criteria:\n\n* Inability or unwillingness to consent\n* Inability to complete magnetic resonance imaging (MRI) study\n* Contraindication to MRI\n* Participation in another research study\n* Non-diagnostic computed tomography scan'}, 'identificationModule': {'nctId': 'NCT02007967', 'briefTitle': 'Non-Contrast Magnetic Resonance Angiography Assessment of Patients Referred for Transcatheter Aortic Valve Implantation', 'organization': {'class': 'OTHER', 'fullName': 'University of Michigan'}, 'officialTitle': 'Can Non-Contrast Magnetic Resonance Angiography Accurately Define Arterial Access and Aortic Root Anatomy in Patients Referred for Transcatheter Aortic Valve Implantation?', 'orgStudyIdInfo': {'id': 'HUM00070087'}}, 'contactsLocationsModule': {'locations': [{'zip': '48109', 'city': 'Ann Arbor', 'state': 'Michigan', 'country': 'United States', 'facility': 'University of Michigan Cardiovascular Center', 'geoPoint': {'lat': 42.27756, 'lon': -83.74088}}], 'overallOfficials': [{'name': 'Troy M LaBounty, M.D.', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'University of Michigan'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'University of Michigan', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Assistant Professor, Internal Medicine', 'investigatorFullName': 'Troy LaBounty', 'investigatorAffiliation': 'University of Michigan'}}}}