R
Richard W. McCallum
Researcher at Texas Tech University Health Sciences Center at El Paso
Publications - 557
Citations - 24246
Richard W. McCallum is an academic researcher from Texas Tech University Health Sciences Center at El Paso. The author has contributed to research in topics: Gastroparesis & Gastric emptying. The author has an hindex of 81, co-authored 531 publications receiving 22088 citations. Previous affiliations of Richard W. McCallum include University of Virginia & Lynn University.
Papers
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Journal ArticleDOI
Repeat polymorphisms in the Homo sapiens heme oxygenase-1 gene in diabetic and idiopathic gastroparesis.
Simon J. Gibbons,Madhusudan Grover,Kyoung Moo Choi,Akhilesh Wadhwa,Adeel S. Zubair,Laura A. Wilson,Yanhong Wu,Thomas L. Abell,William L. Hasler,Kenneth L. Koch,Richard W. McCallum,Linda Nguyen,Henry P. Parkman,Irene Sarosiek,William J. Snape,James Tonascia,Frank A. Hamilton,Pankaj J. Pasricha,Gianrico Farrugia +18 more
TL;DR: It is hypothesized that longer polyGT alleles are more common in the HMOX1 genes of individuals with gastroparesis than in controls without upper gastrointestinal motility disorders and that Nausea symptoms are worse in subjects with longer alleles.
Proceedings Article
The Automatic Patient Symptom Monitor (APSM): a voice mail system for clinical research.
TL;DR: The Automatic Patient Symptom Monitor is a voice processing system designed to achieve long term clinical monitoring with APSM that may decrease clinical trial time and improve the statistical power of double blind studies.
Journal ArticleDOI
S1304 Wireless pH-Motility Capsule for Colonic Transit: Prospective Comparison With Radiopaque Markers in Chronic Constipation
Michael Camilleri,Nyree K. Thorne,Yehuda Ringel,William L. Hasler,Braden Kuo,Tuba Esfandyari,Michael D. Sitrin,S. Mark Scott,Richard W. McCallum,Henry P. Parkman,Edy E. Soffer,Gregory E. Wilding,John R. Semler,Satish S.C. Rao +13 more
Journal ArticleDOI
Role of bile acids, prostaglandins and COX inhibitors in chronic esophagitis in a mouse model.
Cezary Poplawski,D Sosnowski,Anna Szaflarska-Popławska,Jerzy Sarosiek,Richard W. McCallum,Zbigniew Bartuzi +5 more
TL;DR: This novel chronic experimental esophagitis is an excellent model for further study on the role of cytokines in genetically modified animals and its potential negative impact on pepsin proteolytic potential, pivotal for mucosal injury in low pH.