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Medical Cannabis Use among Primary Care Patients: Using Electronic Health Records to Study Large Populations

Medical Cannabis Use among Primary Care Patients: Using Electronic Health Records to Study Large Populations.  The objective of the proposed rapid response research, in a state with legal medical and nonmedical cannabis use, is to better understand medical use of cannabis in a single large health system that routinely asks primary care patients about the frequency of past-year cannabis use.  Specific Aims are to: 1) Develop and validate a natural language processing (NLP) algorithm to identify electronic health record (EHR)-documented medical cannabis use, 2) Describe patients with EHR-documented medical cannabis use and compare them to patients with other types of cannabis use, and 3) Describe patient experience of medical cannabis use among patients with EHR-documentation of its use.

CTN Protocol ID: 
CTN-0077
Status: 
Development
Principal Investigator(s)
Gwen Lapham, Ph.D., M.P.H.
Research Associate
Group Health Research Institute
1730 Minor Avenue, Suite 1600
Seattle, WA 98101-1466
lapham.g@ghc.org

Katharine Bradley, M.D., M.P.H.
Senior Investigator
Group Health Research Institute
Metropolitan Park East
1730 Minor Avenue, Ste. 1600
Seattle, WA 98101
bradley.k@ghc.org

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