Dr. Pimentel is a leading expert in developing diagnostic and therapeutic programs for small intestinal bacterial overgrowth (SIBO), Irritable Bowel Syndrome (IBS), and other diseases linked to the microbiome.
Experience: Associate Professor of Medicine and Gastroenterology, and Executive Director of the Medically Associated Science and Technology (MAST) program at Cedars-Sinai. Dr. Pimentel is credited for developing the first blood test for IBS, discovering rifaximin for the treatment of IBS-D, identifying the auto-immune basis for IBS/SIBO, and developing the first multi-gas breath test for SIBO.
Smarts: MD, University of Manitoba; Internship, University of Manitoba; Residency, University of Manitoba; Fellowship, University of Manitoba
Published Articles
- Anti-CdtB and anti-vinculin antibodies to diagnose irritable bowel syndrome in inflammatory bowel disease patients
- Coronavirus Disease 2019 (COVID‑19) Pandemic Lifestyle Changes May Have Influenced Small Bowel Microbial Composition and Microbial Resistance
- Defining Small Intestinal Bacterial Overgrowth by Culture and High Throughput Sequencing
- Irritable Bowel Syndrome Is Not Associated with an Increased Risk of Polyps and Colorectal Cancer: A Systematic Review and Meta‑Analysis
- Antivinculin Antibodies in Systemic Sclerosis: AssociationsWith Slow Gastric Transit and Extraintestinal ClinicalPhenotype
- Safety and Tolerability of High-Resolution Esophageal Manometry in Children and Adults
- Methanogens and Hydrogen Sulfide Producing Bacteria Guide Distinct Gut Microbe Profiles and Irritable Bowel Syndrome Subtypes
- Prevalence of Small Intestinal Bacterial Overgrowth Syndrome in Patients with Non-Alcoholic Fatty Liver Disease/Non-Alcoholic Steatohepatitis: A Cross-Sectional Study
- Small Intestine Bacterial Overgrowth Can Form an Indigenous Proinflammatory Environment in the Duodenum: A Prospective Study
- Smoking has disruptive effects on the small bowel luminal microbiome
- Duodenal microbiome changes in postmenopausal women: effects of hormone therapy and implications for cardiovascular risk
- Ultraviolet-A light increases mitochondrial anti-viral signaling protein in confluent human tracheal cells via cell-cell signaling