Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'OTHER', 'observationalModel': 'OTHER'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 400}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2012-05'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2019-03', 'completionDateStruct': {'date': '2018-12', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2019-03-12', 'studyFirstSubmitDate': '2012-04-11', 'studyFirstSubmitQcDate': '2012-04-12', 'lastUpdatePostDateStruct': {'date': '2019-03-13', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2012-04-13', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2018-07', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Freedom from DL infection events at 12 months after LVAD implantation', 'timeFrame': '12 Months'}], 'secondaryOutcomes': [{'measure': 'Percentage of subjects with infection events', 'timeFrame': 'Month 1, 3, 6, and every six months up to 60 months post-enrollment'}, {'measure': 'DL infection events per patient year', 'timeFrame': 'Month 1, 3, 6, and every 6 months up to 60 months post-enrollment'}, {'measure': 'DL tunneling methods or other factors that might reduce risks of DL related infection events', 'timeFrame': 'Month 1, 3, 6, and every 6 months up to 60 months post-enrollment'}]}, 'oversightModule': {'oversightHasDmc': False}, 'conditionsModule': {'keywords': ['HeartMate II', 'heart-assist device', 'left ventricular assist device', 'driveline infection', 'LVAD', 'HMII LVAS driveline', 'silicone portion', 'Thoratec Corporation'], 'conditions': ['Driveline Heart-assisted Device Related Infection']}, 'referencesModule': {'references': [{'type': 'BACKGROUND', 'citation': 'Akhter SA, Ewald GA, Walsh MN, et al. Preliminary driveline infection results from the multicenter silicone-skin-interface (SSI) registry. Abstracts from the ASAIO 59th Annual Conference, p. 61. http://journals.lww.com/asaiojournal/Documents/ASAIO%20Abstracts%202013.pdf'}]}, 'descriptionModule': {'briefSummary': 'The purpose of this observational registry is to determine the freedom from driveline (DL) infection events in subjects implanted with a HeartMate II LVAD in whom only the silicone portion of the DL is externalized resulting in a silicone skin interface (SSI)'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '18 Years', 'samplingMethod': 'NON_PROBABILITY_SAMPLE', 'studyPopulation': 'Subjects who are implanted/have been implanted with the commercially available HeartMate II LVAD for approved indications', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Subject has signed the INTERMACS informed consent form\n* Subject has signed the SSI registry informed consent form\n* Subject age ≥ 18 years\n* Subject implanted with a HeartMate II LVAD\n* Subject in whom the full length of the velour portion of the percutaneous lead is fully kept under the skin resulting in a silicone skin interface at the skin exit site\n* In the prospective study cohort, Subject is planned to be supported with the HeartMate II LVAD for at least 12 months\n* In the retrospective study cohort, at the time of enrollment, Subject has been supported with a HeartMate II for at least 10 months\n\nExclusion Criteria:\n\n* In the retrospective study cohort, Subject is ongoing with long-term right heart mechanical circulatory support (RVAD)\n* In the retrospective study cohort, Subject had a post-implant sternal re-entry (for bleeding, etc.) or delayed sternal closure\n* In the retrospective study cohort, Subject is participating in any other clinical investigation related to driveline (DL) exit site that could confound the study results\n* In the prospective study cohort, Subject is participating in any other clinical investigation related to driveline (DL) exit site that could confound the study results'}, 'identificationModule': {'nctId': 'NCT01577433', 'acronym': 'SSI', 'briefTitle': 'Driveline Silicone Skin Interface Registry', 'organization': {'class': 'INDUSTRY', 'fullName': 'Abbott Medical Devices'}, 'officialTitle': 'Driveline Silicone Skin Interface (SSI) Registry', 'orgStudyIdInfo': {'id': 'TC11282011'}}, 'armsInterventionsModule': {'armGroups': [{'label': 'Control Group', 'description': 'Historical control HeartMate II BTT and DT data'}, {'label': 'Prospective and Retrospectively identified SSI', 'description': 'Prospectively and Retrospectively identified HeartMate II patients where the full length of the velour coated portion of the driveline is tunneled under the skin'}]}, 'contactsLocationsModule': {'locations': [{'zip': '06520', 'city': 'New Haven', 'state': 'Connecticut', 'country': 'United States', 'facility': 'Yale New Haven Hospital', 'geoPoint': {'lat': 41.30815, 'lon': -72.92816}}, {'zip': '33606', 'city': 'Tampa', 'state': 'Florida', 'country': 'United States', 'facility': 'Tampa General Hospital', 'geoPoint': {'lat': 27.94752, 'lon': -82.45843}}, {'zip': '30309', 'city': 'Atlanta', 'state': 'Georgia', 'country': 'United States', 'facility': 'Piedmont Heart Institute', 'geoPoint': {'lat': 33.749, 'lon': -84.38798}}, {'zip': '60637', 'city': 'Chicago', 'state': 'Illinois', 'country': 'United States', 'facility': 'University of Chicago Medical Center', 'geoPoint': {'lat': 41.85003, 'lon': -87.65005}}, {'zip': '60453', 'city': 'Oak Lawn', 'state': 'Illinois', 'country': 'United States', 'facility': 'Advocate Christ Medical Center', 'geoPoint': {'lat': 41.71087, 'lon': -87.75811}}, {'zip': '46260', 'city': 'Indianapolis', 'state': 'Indiana', 'country': 'United States', 'facility': "St.Vincent's Hospital and Health Services", 'geoPoint': {'lat': 39.76838, 'lon': -86.15804}}, {'zip': '52242', 'city': 'Iowa City', 'state': 'Iowa', 'country': 'United States', 'facility': 'University of Iowa Hospital', 'geoPoint': {'lat': 41.66113, 'lon': -91.53017}}, {'zip': '48202', 'city': 'Detroit', 'state': 'Michigan', 'country': 'United States', 'facility': 'Henry Ford Hospital', 'geoPoint': {'lat': 42.33143, 'lon': -83.04575}}, {'zip': '55407', 'city': 'Minneapolis', 'state': 'Minnesota', 'country': 'United States', 'facility': 'Abbott Northwestern', 'geoPoint': {'lat': 44.97997, 'lon': -93.26384}}, {'zip': '63110', 'city': 'St Louis', 'state': 'Missouri', 'country': 'United States', 'facility': 'Washington University - Barnes Jewish Hospital', 'geoPoint': {'lat': 38.62727, 'lon': -90.19789}}, {'zip': '27599', 'city': 'Chapel Hill', 'state': 'North Carolina', 'country': 'United States', 'facility': 'University of North Carolina', 'geoPoint': {'lat': 35.9132, 'lon': -79.05584}}, {'zip': '75226', 'city': 'Dallas', 'state': 'Texas', 'country': 'United States', 'facility': 'Baylor Medical Center', 'geoPoint': {'lat': 32.78306, 'lon': -96.80667}}, {'zip': '84107', 'city': 'Murray', 'state': 'Utah', 'country': 'United States', 'facility': 'Intermountain Medical Center', 'geoPoint': {'lat': 40.66689, 'lon': -111.88799}}, {'zip': '23298', 'city': 'Richmond', 'state': 'Virginia', 'country': 'United States', 'facility': 'Virginia Commonwealth University', 'geoPoint': {'lat': 37.55376, 'lon': -77.46026}}, {'zip': '99204', 'city': 'Spokane', 'state': 'Washington', 'country': 'United States', 'facility': 'Sacred Heart Medical Center', 'geoPoint': {'lat': 47.65966, 'lon': -117.42908}}], 'overallOfficials': [{'name': 'David Farrar, PhD', 'role': 'STUDY_DIRECTOR', 'affiliation': 'Abbott Medical Devices'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Abbott Medical Devices', 'class': 'INDUSTRY'}, 'collaborators': [{'name': 'Thoratec Corporation', 'class': 'INDUSTRY'}], 'responsibleParty': {'type': 'SPONSOR'}}}}