---
type: "mappings"
title: "ResearchStudy Mappings"
resource: "ResearchStudy"
---

# ResearchStudy Mappings

- **ResearchStudy**: BRIDG5.1=ObservationalStudyProtocolVersion; Study;
StudyProtocolVersion; v2=OBX; rim=Observation[classCode=CLNTRL, moodCode=EVN]; w5=clinical.diagnostics
- **ResearchStudy.identifier**: clinicaltrials-gov=Organization's Unique Protocol ID; Secondary IDs; w5=FiveWs.identifier; BRIDG5.1=No BRIDG mapping (although there is  DocumentVersion.identifier > StudyProtocolDocumentVersion, this is arguably a different semantic); rim=.identifier
- **ResearchStudy.title**: clinicaltrials-gov=Brief Title; BRIDG5.1=No BRIDG mapping (although there is  StudyProtocolDocumentVersionPublicTitle this is arguably a different semantic: title of a document vs title of a research study)
- **ResearchStudy.protocol**: clinicaltrials-gov=Interventions; Arm/Intervention Cross-Reference; BRIDG5.1=StudyProtocolDocumentVersionPublicTitle.name; rim=.outboundRelationship[typeCode=DEFN].target
- **ResearchStudy.partOf**: BRIDG5.1=CompanionStudyRelationship; rim=.inboundRelationship[typeCode=COMP].source[moodCode=EVN]
- **ResearchStudy.status**: w5=FiveWs.status; BRIDG5.1=StudyOverallStatus.code; rim=.status
- **ResearchStudy.primaryPurposeType**: BRIDG5.1=StudyProtocolVersion.primaryPurposeTypeCode
- **ResearchStudy.phase**: clinicaltrials-gov=Study Phase; BRIDG5.1=StudyProtocolVersion.phaseCode
- **ResearchStudy.studyDesign**: clinicaltrials-gov=Study Type; Primary Purpose; Interventional Model; Masking; Allocation; study Classification; Observational Study Model; Time Perspective; Biospecimen Retention; BRIDG5.1=InterventionalStudyProtocolVersion; InterventionalStudyProtocol.allocationCode; InterventionalStudyProtocol.blindedRoleCode; InterventionalStudyProtocol.blindingSchemaCode; InterventionalStudyProtocol.controlTypeCode
- **ResearchStudy.condition**: clinicaltrials-gov=Conditions; w5=FiveWs.what[x]; BRIDG5.1=StudyCondition.code
- **ResearchStudy.keyword**: clinicaltrials-gov=Keywords; BRIDG5.1=DocumentVersion.keywordCode; DocumentVersion.keywordText
- **ResearchStudy.region**: BRIDG5.1=StudyProtocolVersion.participatingLocationCode
- **ResearchStudy.description**: clinicaltrials-gov=Detailed Description; BRIDG5.1=StudyProtocolDocumentVersion.publicDescription
- **ResearchStudy.period**: clinicaltrials-gov=Study Start Date (start); Study Completion Date (end); w5=FiveWs.done[x]; BRIDG5.1=ProjectConduct.dateRange; StudyProtocolVersion.plannedDuration; rim=.effectiveTime
- **ResearchStudy.site**: clinicaltrials-gov=Facility; w5=FiveWs.where[x]; BRIDG5.1=PlannedStudySite; StudySite
- **ResearchStudy.note**: BRIDG5.1=No BRIDG mapping; rim=.inboundRelationship(typeCode=SUBJ].source[classCode=ANNGEN, moodCode=EVN].value[xsi:type=ST]
- **ResearchStudy.whyStopped**: clinicaltrials-gov=Why Study Stopped; w5=FiveWs.why[x]; BRIDG5.1=StudyOverallStatus.studyStoppedReasonCode
- **ResearchStudy.recruitment**: clinicaltrials-gov=Enrollment; Number of Groups/Cohorts (= number of "enrollment" instances); Groups (Group/Cohort Label = Group.name; Group/Cohort Description = Group.description); Eligibility (Group criteria); w5=FiveWs.subject; BRIDG5.1=InterventionalStudyProtocol.interventionGroupQuantity; rim=.participation[typeCode=SBJ].role
- **ResearchStudy.recruitment.actualGroup**: clinicaltrials-gov=Enrollment; Number of Groups/Cohorts (= number of "enrollment" instances); Groups (Group/Cohort Label = Group.name; Group/Cohort Description = Group.description); Eligibility (Group criteria); w5=FiveWs.subject; BRIDG5.1=InterventionalStudyProtocol.interventionGroupQuantity; rim=.participation[typeCode=SBJ].role
- **ResearchStudy.comparisonGroup**: clinicaltrials-gov=Arms; BRIDG5.1=Arm
- **ResearchStudy.objective**: BRIDG5.1=StudyObjective
- **ResearchStudy.objective.name**: BRIDG5.1=No BRIDG mapping (BRIDG has a description, but not a name)
- **ResearchStudy.objective.type**: BRIDG5.1=StudyObjective.typeCode