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
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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
OH State Medical License 2012 - 2025
AZ State Medical License 1992 - 2025
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

BEHAVIORAL THERAPY FOR FUNCTIONAL HEARTBURN: Recommendation Statements.
Livia Guadagnoli, Alyse Bedell, Anjali U Pandit, Richard Gevirtz, C Prakash Gyawali, Stephen E Lupe, Megan Petrik, Megan E Riehl, Jessica Salwen-Deremer, Madison Simon...> ;Clinical Gastroenterology and Hepatology. 2024 Mar 20
2 citations
Vonoprazan is superior to lansoprazole for healing of severe but not mild erosive esophagitis: A systematic review with meta-analysis of randomized controlled trials.
Daniel Martin Simadibrata, Elvira Lesmana, Ronnie Fass> ;Journal of Gastroenterology and Hepatology. 2024 Feb 14
Obesity is associated with higher prevalence of gastroesophageal reflux disease and reflux related complications: A global healthcare database study.
Mengdan Xie, Lifu Deng, Ronnie Fass, Gengqing Song> ;Neurogastroenterology and Motility. 2024 Apr 1
A systematic review and meta-analysis of the efficacy of vonoprazan for proton pump inhibitor-resistant gastroesophageal reflux disease.
Simadibrata, D., Lesmana, E., Fass, R.> ;Journal of Gastroenterology and Hepatology. 2024 Jan 23
Clinical value of random esophageal biopsies in patients with dysphagia and normal endoscopy who are treated with a proton pump inhibitor.
Sara Kamionkowski, Fahmi Shibli, Sherif Saleh, Sophie Trujillo, Erika Mengalle, Ali El Mokahal, Charles Thomas, Gengqing Song, Ronnie Fass> ;Diseases of the Esophagus. 2024 Apr 2
1 citations
A Randomized Controlled Phase 2 Dose-Finding Trial to Evaluate the Efficacy and Safety of Camostat in the Treatment of Painful Chronic Pancreatitis: The TACTIC Study.
Phil A Hart, Yurii Osypchuk, Iryna Hovbakh, Raj J Shah, Jose Nieto, Gregory A Cote, Sergii Avgaitis, Oleksandr Kremzer, James Buxbaum, Sumant Inamdar, Ronnie Fass, Ray...> ;Gastroenterology. 2024 Apr 1
Editorial: On-demand vonoprazan for NERD - when should it be 'demanded'? Authors' reply.
Ronnie Fass, David Armstrong> ;Alimentary Pharmacology & Therapeutics. 2023 Dec 1
Metoclopramide Nasal Spray in Women with Symptomatic Diabetic Gastroparesis: A Randomized, Double-Blind, Placebo-Controlled Phase 3 Study.
Richard W McCallum, Henry P Parkman, Ronnie Fass, Bal R Bhandari, Marilyn R Carlson, Raymond D Buck> ;Clinical Gastroenterology and Hepatology. 2023 Nov 2
Multiple Sclerosis Is Associated With Achalasia and Diffuse Esophageal Spasm.
Yeseong Kim, Fahmi Shibli, Yuhan Fu, Gengqing Song, Ronnie Fass> ;Journal of Neurogastroenterology and Motility. 2023 Oct 30
Role of endoscopy in gastroesophageal reflux disease.
Daniel Martin Simadibrata, Elvira Lesmana, Ronnie Fass> ;Clinical Endoscopy. 2023 Nov 1
Raloxifene increases the risk of gastroesophageal reflux disease, Barrett's esophagus, and esophageal stricture in postmenopausal women with osteoporosis.
Benjamin D Liu, Sharon C Udemba, Sherif Saleh, Hannah Hill, Gengqing Song, Ronnie Fass> ;Neurogastroenterology and Motility. 2023 Dec 1
Randomised clinical trial: Efficacy and safety of on-demand vonoprazan versus placebo for non-erosive reflux disease.
Ronnie Fass, Michael Vaezi, Prateek Sharma, Rena Yadlapati, Barbara Hunt, Tom Harris, Neila Smith, Eckhard Leifke, David Armstrong> ;Alimentary Pharmacology & Therapeutics. 2023 Nov 1
5 citations
Shorter-acting glucagon-like peptide-1 receptor agonists are associated with increased development of gastro-oesophageal reflux disease and its complications in patien...
Benjamin Douglas Liu, Sharon C Udemba, Katherine Liang, Yasir Tarabichi, Hannah Hill, Ronnie Fass, Gengqing Song> ;Gut. 2024 Jan 5
13 citations
Updates to the modern diagnosis of GERD: Lyon consensus 2.0.
C Prakash Gyawali, Rena Yadlapati, Ronnie Fass, David Katzka, John Pandolfino, Edoardo Savarino, Daniel Sifrim, Stuart Spechler, Frank Zerbib, Mark R Fox, Shobna Bhati...> ;Gut. 2024 Jan 5
1 citations
Elucidating the Link: Chronic Obstructive Pulmonary Disease and the Complex Interplay of Gastroesophageal Reflux Disease and Reflux-Related Complications.
Xiaoliang Wang, Zachary Wright, Jiayan Wang, Stephen Roy, Ronnie Fass, Gengqing Song> ;Medicina. 2023 Jul 8
The Impact of Chronic Cannabis Use on Esophageal Motility in Patients Referred for Esophageal Manometry.
Obinna Ugwuegbu, Fahmi Shibli, Yeseong Kim, Vikram Rangan, Michael Kurin, Fares Ayoub, Stephen Ganocy, Robert Kavitt, Ronnie Fass> ;Journal of Clinical Gastroenterology. 2024 Apr 1
2 citations
Association between obstructive sleep apnea and gastroesophageal reflux disease: A systematic review and meta-analysis.
Nabil El Hage Chehade, Yuhan Fu, Sara Ghoneim, Sagar Shah, Gengqing Song, Ronnie Fass> ;Journal of Gastroenterology and Hepatology. 2023 Aug 1
1 citations
Transcutaneous electrical stimulation for gastrointestinal motility disorders.
Gengqing Song, Sophie Trujillo, Yuhan Fu, Fahmi Shibi, Jiande Chen, Ronnie Fass> ;Neurogastroenterology and Motility. 2023 Nov 1
1 citations
Diagnostic accuracy of gastroesophageal reflux disease questionnaire for gastroesophageal reflux disease: A systematic review and meta-analysis.
Daniel Martin Simadibrata, Eko Ngadiono, Fira Alyssa Gabriella Sinuraya, Ivan Damara, Ronnie Fass, Marcellus Simadibrata> ;Neurogastroenterology and Motility. 2023 Dec 1
Irritable Bowel Syndrome Is an Independent Risk Factor for Developing Opioid Use Disorder in Patients with Inflammatory Bowel Disease.
Yuhan Fu, Michael Kurin, Marc Landsman, Ronnie Fass, Gengqing Song> ;Journal of Personalized Medicine. 2023 May 30
Diagnostic Implications of Irritable Bowel Syndrome Is an Independent Risk Factor for Undergoing Surgical Interventions in Patients with Inflammatory Bowel Disease.
Yuhan Fu, Nisheet Waghray, Ronnie Fass, Gengqing Song> ;Diagnostics. 2023 May 29
Aortic Aneurysm Presenting As Deglutition Syncope.
Fahmi Shibli, Yeseong Kim, Ronnie Fass> ;Cureus. 2023 May 1
Development and modification of a dysphagia question prompt list to improve patient-physician communication: Incorporating both esophageal expert and patient perspecti...
Sudharshan Achalu, Justin Zhuo, Albert J Bredenoord, John O Clarke, Ronnie Fass, C Prakash Gyawali, Peter J Kahrilas, David A Katzka, Benson T Massey, Roberto Penagini...> ;Neurogastroenterology and Motility. 2023 Aug 1
2 citations
Interrater Reliability of Functional Lumen Imaging Probe Panometry and High-Resolution Manometry for the Assessment of Esophageal Motility Disorders.
Joan W Chen, Abraham Khan, Reena V Chokshi, John O Clarke, Ronnie Fass, Jose M Garza, Milli Gupta, C Prakash Gyawali, Anand S Jain, Philip Katz, Vani Konda, Adriana La...> ;The American Journal of Gastroenterology. 2023 Aug 1
5 citations
Diagnostic Accuracy of the Proton Pump Inhibitor Test in Gastroesophageal Reflux Disease and Noncardiac Chest Pain: A Systematic Review and Meta-analysis.
Sara Ghoneim, Jiasheng Wang, Nabil El Hage Chehade, Stephen J Ganocy, Ehsan Chitsaz, Ronnie Fass> ;Journal of Clinical Gastroenterology. 2023 Apr 1
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Lectures

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

Other

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
Evaluation of dysphagia in adults
Fass R
http://www.uptodate.com/contents/evaluation-of-dysphagia-in-adults
UpToDate, Wolters Kluwer Health - 2013-02-22

Press Mentions

GERD Awareness Week: FDA News, Endoscopic Fundoplication, Laparoscopic SurgeryNovember 26th, 2022
Vonoprazan Offers ‘Complete, Rapid, Sustained’ Relief in Nonerosive Reflux DiseaseOctober 25th, 2022
Phathom Pharmaceuticals Presents New Data Evaluating First-in-Class Potassium-Competitive Acid Blocker (PCAB) Vonoprazan as Novel on-Demand Treatment in NERD at American College of Gastroenterology (ACG) 2022 Annual Scientific MeetingOctober 23rd, 2022
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