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505 S Nolen DrSouthlake, TX 76092
Phone+1 817-424-1525
Fax+1 817-424-3491
Dr. Ritter is on Doximity
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Education & Training
University of Texas Southwestern Medical CenterFellowship, Gastroenterology, 1990 - 1993- University of Texas Southwestern Medical CenterResidency, Internal Medicine, 1987 - 1990
University of Texas Southwestern Medical SchoolClass of 1987
Certifications & Licensure
TX State Medical License 1988 - 2026
American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- Regional Top Doctor Castle Connolly, 2014
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2011
Clinical Trials
- A Study of CDPATH™ to Help Manage and Treat Crohn's Disease Start of enrollment: 2021 Jun 25
Roles: Principal Investigator
- A Study of Vedolizumab With Tofacitinib in Adults With Ulcerative Colitis (UC) Start of enrollment: 2024 Jun 12
Roles: Principal Investigator
- A Study of Vedolizumab Intravenous (IV) and Adalimumab or Vedolizumab and Ustekinumab in Adults With Crohn's Disease Start of enrollment: 2024 Apr 18
Roles: Principal Investigator
Publications & Presentations
PubMed
- Efficacy and Safety of Guselkumab Subcutaneous Induction and Maintenance in Participants with Moderately to Severely Active Crohn's Disease: Results from the Phase 3 G...Ailsa Hart, Remo Panaccione, Flavio Steinwurz, Silvio Danese, Tadakazu Hisamatsu
Gastroenterology. 2025-03-18 - 1 citationsEfficacy and safety of filgotinib as induction and maintenance therapy for Crohn's disease (DIVERSITY): a phase 3, double-blind, randomised, placebo-controlled trial.Séverine Vermeire, Stefan Schreiber, David T Rubin, Geert D'Haens, Walter Reinisch
The Lancet. Gastroenterology & Hepatology. 2025-02-01 - Mediators of Filgotinib Treatment Effects in Ulcerative Colitis: Exploring Circulating Biomarkers in the Phase 2b/3 SELECTION Study.Hiroshi Nakase, Silvio Danese, Walter Reinisch, Timothy Ritter, Yan Liang
Inflammatory Bowel Diseases. 2024-12-04
Press Mentions
Substantial Variation Seen in Ileosigmoid Fistula Management in Crohn’s DiseaseDecember 14th, 2024
Expert: Fatty Liver Disease Is the Next Healthcare EpidemicAugust 19th, 2019- More Real-World Data and New Analyses of Data for REBYOTA® (Fecal Microbiota, Live – Jslm) Presented at IDWeek 2023October 15th, 2023
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