Ryan Gregory Vandrey, Ph.D.

Headshot of Ryan Gregory Vandrey
  • Professor of Psychiatry and Behavioral Sciences

Research Interests

Human behavioral pharmacology of Cannabis (Marijuana); Nicotine/Tobacco ...read more

Background

Dr. Vandrey is currently a Professor at the Johns Hopkins University Behavioral Pharmacology Research Unit (BPRU) and helps run the Cannabis Science Lab (CSL).  Dr. Vandrey’s research focuses primarily on the impact of route of administration, dose, and chemical composition of cannabis products on resultant drug effects and pharmacokinetics. In addition, Dr. Vandrey has been involved with a broad range of studies related to the risks and benefits of medicinal cannabis use, cannabis-drug interactions, the effects of cannabis use on sleep, cannabis withdrawal, and the treatment of Cannabis Use Disorder, cannabis product testing, and developing measures of cannabis use behavior.  

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Titles

  • Professor of Psychiatry and Behavioral Sciences

Departments / Divisions

Centers & Institutes

Education

Degrees

  • B.A.; University of Delaware (Delaware) (1998)
  • Ph.D.; University of Vermont (Vermont) (2005)

Additional Training

  • Johns Hopkins University, Baltimore, MD, 2007

Research & Publications

Research Summary

Dr. Vandrey's research primarily focuses on the behavioral pharmacology of cannabis, but also includes research on nicotine and tobacco regulatory science. His studies span a number of disciplines and methods, but are all aimed at answering critical questions relevant to public health, policy and regulation of cannabis/cannabinoids and tobacco/nicotine.

Selected Publications

View all on PubMed

Vandrey R, Raber JC, Raber ME, Douglass B, Miller C, Bonn-Miller MO. Cannabinoid Dose and Label Accuracy In “Edible” Medical Cannabis Products. J Am Med Assoc. 2015; 313; 2491-2493

Spindle TR, Cone EJ, Schlienz NJ, Mitchell JM, Bigelow GE, Flegal R, Hayes E, Vandrey R. Acute Effects of Smoked and Vaporized Cannabis in Healthy Adults Who Infrequently Use Cannabis: A Cross-Over Trial. JAMA Netw Open. 2018; 1; e184841, 1-14

Spindle TR, Cone EJ, Goffi E, Weerts EM, Mitchell JM, Winecker RE, Bigelow GE, Flegel R, Vandrey R. Pharmacodynamic effects of vaporized and oral cannabidiol (CBD) and vaporized CBD-dominant cannabis in infrequent cannabis users. Drug Alc Depend. 2020; 211; 107937

Schlienz NJ, Spindle TR, Cone EJ, Herrmann ES, Bigelow GE, Mitchell JM, Flegel R, LoDico C, Vandrey R. Pharmacodynamic dose effects of oral cannabis ingestion in healthy adults who infrequently use cannabis. Drug Alc Depend. ePub March 21, 2020

Sholler DJ, Strickland JC, Spindle TR, Weerts EM, Vandrey R. Sex differences in the acute effects of oral and vaporized cannabis among healthy adults. Addict Biol ePub Sept 28, 2020

Contact for Research Inquiries

Johns Hopkins Bayview Medical Center
Behavioral Biology Research Center
5510 Nathan Shock Drive
Baltimore, MD 21224 map
Phone: 410-550-4036
Fax: 410-550-0030

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