Faculty Profile

Dr. Olga C. Aroniadis, M.D.,  M.Sc.

Olga C. Aroniadis, M.D., M.Sc.

Assistant Professor, Department of Medicine (Gastroenterology)

Professional Interests

Dr. Olga Aroniadis completed her undergraduate education at Tufts University and graduated summa cum laude. She continued her educational training as a medical student at Albert Einstein College of Medicine and graduated with a Research Distinction in Gastroenterology. Dr. Aroniadis completed her Internal Medicine residency, chief residency and Gastroenterology fellowship at Montefiore Medical Center. She obtained a Masters Degree in Clinical Research Methods at Albert Einstein College of Medicine. Her research interests include the intestinal microbiome and its implication in health and disease, Clostridium difficile infection and colon ischemia. Dr. Aroniadis is involved in numerous research studies and is currently running an FDA-approved clinical trial to assess the role of fecal microbiota transplantation for the treatment of diarrhea-predominant irritable bowel syndrome. She strives to deliver exceptional patient care and is dedicated to teaching and mentoring medical students, residents and fellows.

Selected Publications


Aroniadis OC, Brandt LJ, Greenberg A, Borody T, Kelly C, Mellow M, Surawicz C, Cagle L, Neshatian L, Stollman N, Giovanelli A, Ray A, Smith R.Long-term follow-up study of fecal microbiota transplantation (FMT) for severe and/or complicated Clostridium difficile infection (CDI). J Clin Gastroenterol. 2015, [Epub ahead of print].

Agrawal M, Aroniadis OC, Brandt LJ, et al. The long-term efficacy and safety of fecal microbiota transplant for recurrent, severe and complicated Clostridium difficile infection in 146 elderly individuals. J Clin Gastroenterol. 2015, [Epub ahead of print].

Feuerstadt P, Aroniadis O, Brandt LJ. Features and outcomes of patients with ischemia isolated to the right side of the colon when accompanied or followed by acute mesenteric ischemia. Clin Gastro Hepatol. 2015, [Epub ahead of print].

Kelly C, Ihunnah C, Fischer M, Khoruts A, Surawicz C, Afzali A, Aroniadis O, et al. Fecal microbiota transplantation of Clostridium difficile infection in immunocompromised patients. Am J Gastroenterol. 2014; 109(7): 1065-1071.

Pinn DM, Aroniadis OC, Brandt LJ. Is fecal microbiota transplantation the answer for irritable bowel syndrome? A single-center experience. Am J Gastroenterol. 2014; 109(11): 1831-1832.

Brandt LJ, Aroniadis OC, Mellow M, Kanatzar A, Kelly C, Park T, Stollman N, Rohlke F, Surawicz C. Long-term follow-up of colonoscopic fecal microbiota transplant for recurrent Clostridium difficile infection. Am J Gastroenterol. 2012;107(7):1079-1087.

Southern WN, Rahmani R, Aroniadis O, Khorshidi I, Thanhan A, Ibrahim C, Brandt LJ. Post-surgical Clostridium difficile associated diarrhea. Surgery. 2010;148(1):24-30.

Pahwa R, McCloskey TW, Aroniadis OC, Strbo N, Krishnan S, Pahwa S. CD8+ T cells in HIV disease exhibit cytokine receptor perturbation and poor T cell receptor activation but are responsive to gamma-chain driven cytokine-driven proliferation. J Infect Dis. 2006;193(6):879-87.


Aroniadis OC, Brandt LJ. Role of fecal microbiota in treatment of Clostridium difficile. In: Johnson D (ed). The GUT Microbiome: New Understanding and Applications for Disease Management. 1st edn. 2015, in press

Brandt LJ, Aroniadis OC. Vascular lesions of the gastrointestinal tract. In: Feldman M, Friedman LS, Brandt LJ (eds). Sleisenger and Fordtran’s Gastrointestinal and Liver Disease. 10th edn. Saunders: Pennsylvania, 2015 pp. 617-635.

Pinn DM, Aroniadis OC, Brandt LJ. Is fecal microbiota transplantation (FMT) an effective treatment for patients with functional gastrointestinal disorders (FGID)? Neurogastroenterol Motil. 2015; 27(1): 19-29.

Aroniadis OC, Brandt LJ. Intestinal microbiota and the efficacy of fecal microbiota transplantation in gastrointestinal disease. Gastroenterol Hepatol. 2014; 10(4): 1-8.

Brandt LJ, Aroniadis OC. An overview of fecal microbiota transplantation: techniques, indications, and outcomes. Gastrointest Endosc. 2013;78(2):240-249.

Aroniadis OC, Brandt LJ. Fecal microbiota transplantation: past, present and future. Curr Opin Gastroenterol. 2013;29(1):79-84.

Ibrahim CB, Aroniadis OC, Brandt LJ. On the role of ischemia in the pathogenesis of IBD: a review. Inflamm Bowel Dis. 2010;16(4):696-702.

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