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Ryan Vandrey
Researcher at Johns Hopkins University School of Medicine
Publications - 145
Citations - 6544
Ryan Vandrey is an academic researcher from Johns Hopkins University School of Medicine. The author has contributed to research in topics: Cannabis & Medicine. The author has an hindex of 35, co-authored 123 publications receiving 4814 citations. Previous affiliations of Ryan Vandrey include Johns Hopkins University & University of Vermont.
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Journal ArticleDOI
Review of the Validity and Significance of Cannabis Withdrawal Syndrome
TL;DR: Converging evidence from basic laboratory and clinical studies indicates that a withdrawal syndrome reliably follows discontinuation of chronic heavy use of cannabis or tetrahydrocannabinol, and findings suggest that the syndrome has clinical importance.
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The time course and significance of cannabis withdrawal.
TL;DR: A withdrawal pattern was observed for aggression, anger, anxiety, decreased appetite, decreased body weight, irritability, restlessness, shakiness, sleep problems, and stomach pain that likely contribute to the development of dependence and difficulty stopping use.
Journal ArticleDOI
Labeling Accuracy of Cannabidiol Extracts Sold Online
Marcel O. Bonn-Miller,Mallory J E Loflin,Brian F. Thomas,Jahan P. Marcu,Travis Hyke,Ryan Vandrey +5 more
TL;DR: To maximize sampling and ensure representativeness of available products, this work examined the label accuracy of CBD products sold online, including identification of present but unlabeled cannabinoids.
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Cannabinoid Dose and Label Accuracy in Edible Medical Cannabis Products
Ryan Vandrey,Jeffrey C. Raber,Mark E. Raber,Brad Douglass,Cameron Miller,Marcel O. Bonn-Miller +5 more
TL;DR: This work investigated the label accuracy of edible cannabis products and found insufficient regulation and quality assurance for edible product cannabinoid content and labeling generally lacking.
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Randomized Trial of Reduced-Nicotine Standards for Cigarettes.
Eric C. Donny,Rachel L. Denlinger,Jennifer W. Tidey,Joseph S. Koopmeiners,Neal L. Benowitz,Ryan Vandrey,Mustafa al'Absi,Steven G. Carmella,Paul M. Cinciripini,Sarah S. Dermody,David J. Drobes,Stephen S. Hecht,Joni Jensen,Tonya Lane,Chap T. Le,F. Joseph McClernon,Ivan D. Montoya,Sharon E. Murphy,Jason D. Robinson,Maxine L. Stitzer,Andrew A. Strasser,Hilary A. Tindle,Dorothy K. Hatsukami +22 more
TL;DR: Cigarettes with lower nicotine content, as compared with control cigarettes, reduced exposure to and dependence on nicotine, as well as craving during abstinence from smoking, without significantly increasing the expired carbon monoxide level or total puff volume, suggesting minimal compensation.