Raw JSON
{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}}, 'protocolSection': {'designModule': {'phases': ['NA'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'SINGLE', 'whoMasked': ['PARTICIPANT'], 'maskingDescription': 'Participants do not know if they are in control or treatment or the type of treatment.'}, 'primaryPurpose': 'HEALTH_SERVICES_RESEARCH', 'interventionModel': 'PARALLEL'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 1001}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2021-07-21', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2021-12', 'completionDateStruct': {'date': '2021-07-22', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2021-12-06', 'studyFirstSubmitDate': '2021-07-14', 'studyFirstSubmitQcDate': '2021-07-22', 'lastUpdatePostDateStruct': {'date': '2021-12-10', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2021-07-28', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2021-07-22', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Vaccination intention', 'timeFrame': '30 days', 'description': 'Probability of getting vaccinated in the next 30 days'}]}, 'oversightModule': {'oversightHasDmc': False, 'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'conditions': ['COVID-19 Vaccination']}, 'descriptionModule': {'briefSummary': 'This study uses an online panel survey to test the impact of video messages on stated likelihood of COVID-19 vaccination. Participants, who have self-identified as unvaccinated against COVID-19, are randomly assigned to either no video message or 1 of 3 video messages to encourage vaccine take-up. The key endpoint is a question about the likelihood of getting vaccinated in the next 30 days.', 'detailedDescription': 'This study uses an online panel survey to test the impact of video messages on stated likelihood of COVID-19 vaccination. Participants are recruited from the Prolific.co platform. Those who have indicated to Prolific that they have not been vaccinated will be randomly assigned to either no video message or 1 of 3 video messages created by the Vaccinate LA/USC collaborative. The key endpoint is a question about the likelihood of getting vaccinated in the next 30 days.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '18 Years', 'healthyVolunteers': True, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* adults in the Prolific.co panel\n* unvaccinated against COVID-19\n\nExclusion Criteria:\n\n* indicated to Prolific.co that they have received a COVID-19 vaccination'}, 'identificationModule': {'nctId': 'NCT04979416', 'briefTitle': 'Video Messages and Vaccination Intention', 'organization': {'class': 'OTHER', 'fullName': 'University of Southern California'}, 'officialTitle': 'The Impact of Video Messaging on Vaccination Intention', 'orgStudyIdInfo': {'id': 'UP-21-00587'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'NO_INTERVENTION', 'label': 'Control', 'description': 'No video message'}, {'type': 'EXPERIMENTAL', 'label': 'Video message 1', 'interventionNames': ['Behavioral: Video messages']}, {'type': 'EXPERIMENTAL', 'label': 'Video message 2', 'interventionNames': ['Behavioral: Video messages']}, {'type': 'EXPERIMENTAL', 'label': 'Video message 3', 'interventionNames': ['Behavioral: Video messages']}], 'interventions': [{'name': 'Video messages', 'type': 'BEHAVIORAL', 'description': 'video messages aimed at increasing vaccination', 'armGroupLabels': ['Video message 1', 'Video message 2', 'Video message 3']}]}, 'contactsLocationsModule': {'locations': [{'zip': '90089', 'city': 'Los Angeles', 'state': 'California', 'country': 'United States', 'facility': 'USC', 'geoPoint': {'lat': 34.05223, 'lon': -118.24368}}]}, 'ipdSharingStatementModule': {'infoTypes': ['STUDY_PROTOCOL', 'ANALYTIC_CODE'], 'ipdSharing': 'YES', 'description': 'Deidentified data will be shared after/concurrent with publication.'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'University of Southern California', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Assistant Professor', 'investigatorFullName': 'Mireille Jacobson', 'investigatorAffiliation': 'University of Southern California'}}}}