R
R. W. McCallum
Researcher at University of Kansas
Publications - 25
Citations - 1477
R. W. McCallum is an academic researcher from University of Kansas. The author has contributed to research in topics: Gastric emptying & Gastroparesis. The author has an hindex of 16, co-authored 25 publications receiving 1362 citations. Previous affiliations of R. W. McCallum include Texas Tech University Health Sciences Center at El Paso.
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Journal ArticleDOI
Comparison of gastric emptying of a nondigestible capsule to a radio-labelled meal in healthy and gastroparetic subjects.
Braden Kuo,R. W. McCallum,Kenneth L. Koch,Michael D. Sitrin,John M. Wo,William D. Chey,William L. Hasler,Jeffrey M. Lackner,Leonard A. Katz,John R. Semler,Gregory E. Wilding,Henry P. Parkman +11 more
TL;DR: A nondigestible capsule, SmartPill, records luminal pH, temperature, and pressure during gastrointestinal transit providing a measure of gastric emptying time (GET) using a radio‐labelled meal to measure gastrics emptying.
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Delta-9-tetrahydrocannabinol delays the gastric emptying of solid food in humans: a double-blind, randomized study
TL;DR: Delta‐9‐tetrahydrocannabinol (THC), the active constituent of marijuana, is an effective agent in the prevention of chemotherapy‐induced nausea and vomiting.
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Clinical, psychiatric and manometric profile of cyclic vomiting syndrome in adults and response to tricyclic therapy.
TL;DR: Cyclic vomiting syndrome in adults has the following hallmarks: prominence of accompanying abdominal pain and increased prevalence of anxiety and depression, rapid gastric emptying and tachygastric EGG, and successful suppression of attacks by chronic amitriptyline therapy.
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Clinical trial: effect of mitemcinal (a motilin agonist) on gastric emptying in patients with gastroparesis - a randomized, multicentre, placebo-controlled study.
R. W. McCallum,O. Cynshi +1 more
TL;DR: Mitemcinal is an orally active motilin agonist that could potentially improve gastric emptying and be a potential new treatment for prolactin-related constipation.
Journal Article
The effect of chronic oral domperidone therapy on gastrointestinal symptoms, gastric emptying, and quality of life in patients with gastroparesis.
TL;DR: Chronic domperidone treatment in patients with gastroparesis significantly reduced GI symptoms and hospitalizations, enhanced quality of life, and accelerated gastric emptying of a solid meal to a normal rate.