Human Studies Database (HSDB)
description
Transcript of Human Studies Database (HSDB)
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Human Studies Database(HSDB)
Harold P Lehmann MD PhDJohns Hopkins
Division of Health Sciences Informatics
http://bioportal.bioontology.org/ontologies/2100
NCBO Ontology Workshop April 2012
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http://hsdbwiki.org/
Participants
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http://hsdbwiki.org/
Outline
• Purpose(s)• The Ontology of Clinical Research (OCRe)• Differences from similar efforts• Ontogeny
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Purposes
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Above and Below the Line
5
What
How
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Hypothesis
Generation
Protocol Design
Ethics Approval
Study Executio
nData
AnalysisDissemi-nation
Cartoon Research Workflow
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Hypothesis
Generation
Protocol Design
Ethics Approval
Study Executio
nData
AnalysisDissemi-nation
Focus on the Abstract Protocol
Protocol
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Protocol Information
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Hopkins’ IRB eFormA: Free Text
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http://hsdbwiki.org/
Use Cases• Institutional portfolio view of ongoing
research Improvement of measurement and data
collection methods Inform process improvement initiatives Cross-institutional view: “big data” benefits
for science in general For research networking, research design,
enrollment• Process improvement
Protocol document/e-protocol authoring Collect complete and useful data up front
at the earliest opportunity Enter study description once and reuse for
IRB, CRMS, ClinicalTrials.gov, populating recruitment registries, scientific computation, etc.
• New IRB sharability Characterizing racial/SES Disparities in
research CT.gov management
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http://hsdbwiki.org/
More Use Cases• Systematic reviews:
Reduce searching and extractions by months to years
• Methodological decision support: Depends on understanding study intent and design
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http://hsdbwiki.org/
HSDB Goals/Architecture• “The Human Studies Database (HSDB) is a federated,
computable database of the design and results of human studies from multiple institutions. HSDB uses the Ontology of Clinical Research and common clinical vocabularies to standardize the storage of this information, so that researchers can precisely search and analyze across studies even if they come from different sources and address different clinical domains.
• “It is especially important that HSDB contain rich detail about study designs, because the use and interpretation of study data depends critically on the context in which those data were collected.”
• HSDB Wiki http://hsdbwiki.org/index.php/HSDB_Collaborative_Wiki
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http://hsdbwiki.org/
•A virtual computable scientific database of the design and results of all human studies in any clinical domain, involving any kind of data (e.g., quantitative, qualitative, imaging, genomic, etc)•Tools for investigators, comparative effectiveness researchers, policy makers and others to search and compare, visualize, analyze, and synthesize studies and study results•Data entry and data acquisition tools that allow institutions to capture HSDB data as part of their research workflows (e.g., IRB approval, clinical trial registration), so that multiple institutions can contribute HSDB data while maintaining local control and ownership of the data
HSDB Vision
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http://hsdbwiki.org/
RU Clinical and Research Systems<Shamim Mollah/Rockefeller>
OutpatientScheduling System
iMedRISIRB management
Study management
Visual CactusMedical Staff credential
ADT
KIOSK Patients self register
McKesson Pharmacy
Visits
OutpatientHL7 visits
Inpatient HL7Admission, Discharge and Transfer
MRN demographic
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RU Clinical and Research Systems<Shamim Mollah/Rockefeller>
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Swati
Cha
krab
orti,
Duk
e
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Johns Hopkins
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The Ontology of Clinical Research (OCRe)
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?
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OCRe Family
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http://hsdbwiki.org/
OCRe• OWL 2.0 at HSDBwiki.org, NCBO BioPortal• Models human studies for scientific query and
analysis• Domain
All studies in which humans, parts of humans, or groups of humans are enrolled, exposed, or observed
• ScopeAll clinical domains, all variable types (quant, qual,
imaging, genomics, etc)• Sim I, et al., AMIA CRI Summit 2010
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Modeling Study Outcomes and Analyses
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HSDB-OCRe Components (v258, 21 Feb 2012)
http://bioportal.bioontology.org/ontologies/2100
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OCRe: Ontology of Clinical Research
OBO Basis
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Study
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Study Design
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Outcomes
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Sources
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Differences from Similar Efforts
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CRMS Protocol Schema Builder
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CDISC BRIDG v3.0.3 (Dec, 2010)
Data Model
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•“ClinicalTrials.gov is a registry of federally and privately supported clinical trials conducted in the United States and around the world. ClinicalTrials.gov gives you information about a trial's purpose, who may participate, locations, and phone numbers for more details. This information should be used in conjunction with advice from health care
professionals.” •Study Type
Interventional.. Observational..Expanded Acess
•FDA info
Study status (why stopped...)Study DesignTreatment..Diagnostic…Intervention modelNumber of armsMasking..AllocationStudy classificationStudy modelTime perspecteiveBiospecimen RetentionEnrollmentArm infoIntervention typeEligibility
ClinicalTrials.gov
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http://hsdbwiki.org/
Other Differences
• Limited to trialsAnd their analyses
• Granularity regarding outcomes• Single vs joint
E.g., Death or stroke• What instrument• “Basic results”
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http://hsdbwiki.org/
Non-Ontology Work• EBM guidances
Alberta ToolkitJAMA Guide
• Methodology ChecklistsSystematic reviews
• ClassificationHartling, et al.
2011Hartling L, et al. Testing a tool for the classification of study
designs in systematic reviews of interventions and exposures showed moderate reliability and low accuracy. J Clin Epidemiol.
2011 Aug;64(8):861-71
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Developments
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<?xml version="1.0" encoding="UTF-8"?><Root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation ="HSDB_xsd_V11_a9.xsd" xmlns:sawsdl="http://purl.org/net/OCRe" > <Study> <RecruitmentSite> <Name>Heng County Health and Epidemic Prevention Station</Name> <Address> <PostalAddress> <Zip>532002I</Zip> <Country>China</Country> </PostalAddress> <AddressString> Hengzhou Town, Guangxi</AddressString> </Address> </RecruitmentSite> <RecruitmentSite> <Name>Guangxi Centers for Disease Control, China</Name> <Address> <PostalAddress> <Zip>532002I</Zip> <Country>China</Country> </PostalAddress> <AddressString> Guangxi, Nanning</AddressString> </Address> </RecruitmentSite> <RecruitmentSite> <Name>Xinjiang Uygar Autonomous Region Ctr. for Disease Control and Prevention, HPTN Project Office </Name> <Address> <PostalAddress> <Zip>830011</Zip> <Country>China</Country> </PostalAddress> <AddressString> Urumqi, Xinjiang</AddressString> </Address> </RecruitmentSite> <RecruitmentSite> <Name>Research Institute for Health Sciences (RIHES) </Name> <Address> <PostalAddress> <Country>Thailand</Country> </PostalAddress> <AddressString> Chaing Mai</AddressString> </Address> </RecruitmentSite>…..
OCRe-XSD
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RU<Shamim Mollah>
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http://hsdbwiki.org/
Data mapping @ RU
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Hopkins Study in Oxygen
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OCRe XSD in Oxygen
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CTSA All-Hands Demo Oct 2011
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Getting More Data
• Translate from CT.gov tags to HSDB tagsSimona Carini (UCSF), Karl Burke (JH)XSLT transform
• Pull all of CT.gov down
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“Data” Collection
CT.govXSLT
Mapper
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XSLT Mapper
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http://hsdbwiki.org/
Direction 1: Validations
• Semantic: Does the ontology capture the meanings we need? Is the typology correct?
• Querying: Can we query across corpora/institutions?
• Performance: Can we query fast enough?
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http://hsdbwiki.org/
Semantic Validation
• Get protocols• Get experts to “type” the design• Get others to use the HSDB typology• Calculate agreement
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Querying & Performance: U Washington
• Put HSDB’ized protocols online
• Put MANY protocols online
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<!-- StudyDesignType="Case-crossover study design" - when ct.gov study_design has Observational Model: Case-Crossover
|"Parallel group study design"- when ct.gov study_design has Intervention Model: Parallel Assignment |"Crossover study design" - when ct.gov study_design has Intervention Model: Crossover Assignment |"Single group study design" - when ct.gov study_design has Intervention Model: Single Group Assignment |"Cohort study design" - when ct.gov study_design has Observational Model: Cohort |"Case-control study design" - when ct.gov study_design has Observational Model: Case Control |"Cross-sectional study design" - when ct.gov study_design has Time Perspective: Cross-Sectional |"N-of-1 crossover study design" - never from ct.gov clinical_study |"Quantitative study design" - never from ct.gov clinical_study |"Qualitative study design" - never from ct.gov clinical_study |"Observational study design"- when none of above, and ct.gov study_type is Observational |"Interventional study design" - when none of above, and ct.gov study_type is Interventional
Direction 2: CT.gov vs OCRe
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Where Are We Now?
• Listening for pain points• Articulating what HSDB can
do that others cannot• Prototype applications• Improving data quality in
CT.gov