Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D003731', 'term': 'Dental Caries'}], 'ancestors': [{'id': 'D017001', 'term': 'Tooth Demineralization'}, {'id': 'D014076', 'term': 'Tooth Diseases'}, {'id': 'D009057', 'term': 'Stomatognathic Diseases'}]}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'PROSPECTIVE', 'observationalModel': 'COHORT'}, 'enrollmentInfo': {'type': 'ESTIMATED', 'count': 9813}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2009-09'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2011-09', 'completionDateStruct': {'date': '2011-09', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2011-09-16', 'studyFirstSubmitDate': '2010-09-13', 'studyFirstSubmitQcDate': '2010-09-13', 'lastUpdatePostDateStruct': {'date': '2011-09-20', 'type': 'ESTIMATED'}, 'studyFirstPostDateStruct': {'date': '2010-09-14', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2011-09', 'type': 'ACTUAL'}}, 'oversightModule': {'oversightHasDmc': False}, 'conditionsModule': {'keywords': ['Dental Caries', 'Assessment', 'dental materials'], 'conditions': ['Dental Caries']}, 'referencesModule': {'seeAlsoLinks': [{'url': 'http://DPBRN.org', 'label': 'Dental Practice-Based Research Network'}, {'url': 'http://DentalPBRN.org', 'label': 'Dental Practice-Based Research Network'}]}, 'descriptionModule': {'briefSummary': 'The purpose of this study is to assess the quality and expected lifespan of fillings recorded in the DPBRN "Reasons for replacement and repair of dental restorations" study, and the factors affecting how long the fillings last.', 'detailedDescription': 'The study is an observational follow-up of previously placed dental restorations (fillings)and is conducted during routing dental care visits.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['CHILD', 'ADULT', 'OLDER_ADULT'], 'minimumAge': '6 Years', 'samplingMethod': 'NON_PROBABILITY_SAMPLE', 'studyPopulation': 'The participants directly involved in this study are the particpants who have sought dental treatment in the practitioner-investigators\' practices and participated in the DPBRN "Reasons for replacement or repair of dental restorations" study.', 'healthyVolunteers': True, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* participant in the DPBRN "Reasons for replacement or repair of dental restorations" study'}, 'identificationModule': {'nctId': 'NCT01201395', 'briefTitle': 'DPBRN Longitudinal Study of Repaired or Replaced Dental Restorations', 'organization': {'class': 'NETWORK', 'fullName': 'Dental Practice-Based Research Network'}, 'officialTitle': 'Longitudinal Study of Repaired or Replaced Dental Restorations', 'orgStudyIdInfo': {'id': '111010'}, 'secondaryIdInfos': [{'id': 'U01DE016747', 'link': 'https://reporter.nih.gov/quickSearch/U01DE016747', 'type': 'NIH'}]}, 'armsInterventionsModule': {'armGroups': [{'label': 'Dental caries assessment'}]}, 'contactsLocationsModule': {'locations': [{'zip': '35294-0007', 'city': 'Birmingham', 'state': 'Alabama', 'country': 'United States', 'facility': 'University of Alabama at Birmingham', 'geoPoint': {'lat': 33.52066, 'lon': -86.80249}}, {'zip': '32610', 'city': 'Gainesville', 'state': 'Florida', 'country': 'United States', 'facility': 'University of Florida College of Dentistry', 'geoPoint': {'lat': 29.65163, 'lon': -82.32483}}, {'zip': '55440-1309', 'city': 'Minneapolis', 'state': 'Minnesota', 'country': 'United States', 'facility': 'Health Partners Dental Group', 'geoPoint': {'lat': 44.97997, 'lon': -93.26384}}, {'zip': '55440-1524', 'city': 'Minneapolis', 'state': 'Minnesota', 'country': 'United States', 'facility': 'Health Partners Research Foundation', 'geoPoint': {'lat': 44.97997, 'lon': -93.26384}}, {'zip': '97227', 'city': 'Portland', 'state': 'Oregon', 'country': 'United States', 'facility': 'Kaiser Permanente Center for Health Research', 'geoPoint': {'lat': 45.52345, 'lon': -122.67621}}, {'zip': '97232', 'city': 'Portland', 'state': 'Oregon', 'country': 'United States', 'facility': 'Permanente Denrtal Associates', 'geoPoint': {'lat': 45.52345, 'lon': -122.67621}}, {'city': 'Copenhagen', 'country': 'Denmark', 'facility': 'University of Copenhagen Royal Dental College', 'geoPoint': {'lat': 55.67594, 'lon': 12.56553}}], 'overallOfficials': [{'name': 'Valeria V Gordan, DDS, MS', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'University of Florida'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Dental Practice-Based Research Network', 'class': 'NETWORK'}, 'collaborators': [{'name': 'National Institute of Dental and Craniofacial Research (NIDCR)', 'class': 'NIH'}, {'name': 'HealthPartners Institute', 'class': 'OTHER'}, {'name': 'Kaiser Permanente', 'class': 'OTHER'}, {'name': 'Permanente Dental Associates Group, Oregon', 'class': 'OTHER'}, {'name': 'University of Alabama at Birmingham', 'class': 'OTHER'}, {'name': 'University of Florida', 'class': 'OTHER'}, {'name': 'University of Copenhagen', 'class': 'OTHER'}], 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Professor and Chair, Department of General Dental Sciences', 'investigatorFullName': 'Gregg H. Gilbert, DDS, MBA, FAAHD', 'investigatorAffiliation': 'Dental Practice-Based Research Network'}}}}