RonnieFassMD

Gastroenterology • Cleveland, OH

Esophagus Disease, Gastrointestinal Functional & Motility Disorders

Professor of Medicine, Case Western Reserve University

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Office
2500 Metrohealth Dr
Cleveland, OH 44109
Phone+1 216-778-8423

Summary

Dr. Ronnie Fass is a gastroenterologist in Cleveland, OH and is affiliated with MetroHealth Medical Center. He received his training in Gastroenetrology from UCLA and has been in practice 28 years. He specializes in esophagus disease and gastrointestinal functional & motility disorders and is experienced in esophageal diseases.

Education & Training

UCLA David Geffen School of Medicine/UCLA Medical CenterFellowship, Gastroenterology, 1993 - 1995
University of Arizona College of Medicine-TucsonResidency, Internal Medicine, 1989 - 1993
Ben Gurion University of the NegevClass of 1989

Certifications & Licensure

CA State Medical License 1993 - Present
AZ State Medical License 1992 - 2027
OH State Medical License 2012 - 2027
American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

Fellow (FACP) American College of Physicians, 1999

Clinical Trials

Role of Pain Modulation in GERD Patients Who Failed Standard Dose Proton Pump Inhibitors (PPI) Start of enrollment: 2005 Mar 01
Completed
Phase 4
Safety and Efficacy of AST-120 in Patients With GERD Who Continue to be Symptomatic on a Standard Dose of PPI Start of enrollment: 2007 Oct 01
Terminated
Phase 2
Effect of Pantoprazole 40mg Daily vs Placebo on Power Spectral Analysis of the Sleep EEG of Patients With GERD. Start of enrollment: 2008 Apr 01
Completed
Phase 2, Phase 3
Effect of Esomeprazole 40 mg.Daily for 7 Days on Acid Reflux and Related Arousals During Sleep in Patients With GERD Start of enrollment: 2010 Mar 01
Unknown status
Phase 2, Phase 3
To Determine if Sleep Deprivation Results in Increased Esophageal Acid Exposure Start of enrollment: 2006 Aug 01
Completed
Effect of Rozerem on the Perception of GERD Symptoms in Patients With Chronic Insomnia. Start of enrollment: 2009 Mar 01
Unknown status
Phase 3
The Effect of High PCO2 Solution on Esophageal Acid Sensation Start of enrollment: 2009 Sep 01
Unknown status
Not Applicable
Comparison of Nexium Versus Secretol in the Healing and Controlling of Symptoms in GERD Patients With Severe EE. Start of enrollment: 2010 May 01
Unknown status
Phase 1, Phase 2
A Randomized Trial of Medical and Surgical Treatments for Patients With GERD Symptoms That Are Refractory to Proton Pump Inhibitors Start of enrollment: 2012 Aug 13
Completed
Phase 3
The Effect of Positional Therapy on Symptoms of Gastroesophageal Reflux Disease: A Prospective Pilot Study Start of enrollment: 2021 Mar 04
Active, not recruiting
Not Applicable
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Publications & Presentations

PubMed

Gastroenterology Fellow Knowledge of Esophageal Motility and Manometry: Assessment and Improvement Initiative at an Academic Center.
Ala A Abdel Jalil, Thai Hau Koo, John B Marshall, Ronnie Fass
Digestive Diseases and Sciences. 2025-02-14
A Standardized Approach to Performing and Interpreting Functional Lumen Imaging Probe Panometry for Esophageal Motility Disorders: The Dallas Consensus.
Dustin A Carlson, John E Pandolfino, Rena Yadlapati, Marcelo F Vela, Stuart J Spechler
Gastroenterology. 2025-02-04
Combined oral contraceptives are associated with increased risk of developing gastroparesis in pre-menopausal women.
Jacqueline Khalil, Hannah Hill, Douglas Einstadter, Ronnie Fass
Digestive and Liver Disease. 2025-02-01

Lectures

Approach to the Patient With Refractory Esophageal Symptoms
AGC 2018 Annual Scientific Meeting, Philadelphia, PA - 10/6/2018

Other

Evaluation of dysphagia in adults
Fass R
http://www.uptodate.com/contents/evaluation-of-dysphagia-in-adults
UpToDate, Wolters Kluwer Health - 2013-02-22
Approach to refractory gastroesophageal reflux disease in adults
Fass R
http://www.uptodate.com/contents/approach-to-refractory-gastroesophageal-reflux-disease-in-adults
UpToDate, Wolters Kluwer Health - 2013-04-03

Press Mentions

Phathom Pharmaceuticals to Present VOQUEZNA® Data at the American College of Gastroenterology (ACG) 2024 Annual MeetingOctober 27th, 2024
GERD Awareness Week: FDA News, Endoscopic Fundoplication, Laparoscopic SurgeryNovember 26th, 2022
Vonoprazan Offers ‘Complete, Rapid, Sustained’ Relief in Nonerosive Reflux DiseaseOctober 25th, 2022
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