Matthew  Ciorba, MD

Matthew Ciorba, MD


Primary Academic Title

Associate Professor of Medicine, Washington University School of Medicine

Clinical Expertise

Colon cancer prevention and treatment. Cancers arising in patients with inflammatory bowel disease (Crohn’s Disease or Ulcerative colitis)

Research Interest

Checkpoint inhibitors in gastrointestinal cancer, probiotic bacteria in cancer therapy, mechanisms of how microbiota and amino acid metabolism in GI cancer therapy and GI mucositis.


  • 2001: MD, University of Iowa, Iowa City


  • 2001 - 2004: Intern, Washington University, St. Louis
  • 2004 - 2007: Fellow, gastroenterology, Washington University
  • 2007 - 2007: Fellow, inflammatory bowel disease, Mount Sinai Hospital, New York City

Board Certification

  • 2004: American Board of Internal Medicine
  • 2007: American Board of Internal Medicine - Gastroenterology

Selected Research Publications

Immunity, immunotherapy, and rectal cancer: A clinical and translational science review.
  • Otegbeye EE, Mitchem JB, Park H, [...] Ciorba MA
  • Transl Res 2021
CEACAMs serve as toxin-stimulated receptors for enterotoxigenic Escherichia coli.
  • Sheikh A, Tumala B, Vickers TJ, [...] Ciorba MA, [...] Fleckenstein JM
  • Proc Natl Acad Sci USA 2020
Pouchitis: Bile Acid Deficiency Links Inflammation to Dysbiosis.
  • Deepak P, Chebrolu K, Evans B, Ciorba MA
  • Gastroenterology 2020

View All Publications

Contact Information

  • Washington University Medical Campus

    4921 Parkview Place
    Saint Louis, MO 63110

Phone Numbers

Request an appointment