Marijuana, Ondansetron, and Promethazine Are Perceived as Most Effective Treatments for Gastrointestinal Nausea
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ORIGINAL ARTICLE
Marijuana, Ondansetron, and Promethazine Are Perceived as Most Effective Treatments for Gastrointestinal Nausea Thomas A. Zikos1 · Linda Nguyen1 · Afrin Kamal1 · Nielsen Fernandez‑Becker1 · Kirsten Regalia1 · Monica Nandwani1 · Irene Sonu1 · Mildred Garcia1 · Philip Okafor1 · Leila Neshatian1 · Damanpreet Grewal1 · Patricia Garcia1 · George Triadafilopoulos1 · John O. Clarke1 Received: 18 October 2019 / Accepted: 5 March 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Background Many anti-nausea treatments are available for chronic gastrointestinal syndromes, but data on efficacy and comparative effectiveness are sparse. Aims To conduct a sectional survey study of patients with chronic nausea to assess comparative effectiveness of commonly used anti-nausea treatments. Methods Outpatients at a single center presenting for gastroenterology evaluation were asked to rate anti-nausea efficacy on a scale of 0 (no efficacy) to 5 (very effective) of 29 commonly used anti-nausea treatments and provide other information about their symptoms. Additional information was collected from the patients’ chart. The primary outcome was to determine which treatments were better or worse than average using a t test. The secondary outcome was to assess differential response by individual patient characteristics using multiple linear regression. Results One hundred and fifty-three patients completed the survey. The mean efficacy score of all anti-nausea treatments evaluated was 1.73. After adjustment, three treatments had scores statically higher than the mean, including marijuana (2.75, p
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