Endoscopic and histological features of mycophenolate mofetil colitis in patients after solid organ transplantation

Fernando H. Calmet, Andres J. Yarur, Geetha Pukazhendhi, Jawad Ahmad, Kalyan R Bhamidimarri

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Background Mycophenolate mofetil (MMF) is an immunosuppressive agent commonly used after organ transplantation. Gastrointestinal side effects occur in approximately 45% of patients. The spectrum of histologic features associated with MMF colitis has been well described, but data on the endoscopic features is lacking. The aim of the study was to describe the endoscopic features of MMF colitis in solid organ transplant recipients (SOTRs) as well as the frequency of histologic features and identify associated risk factors. Methods A retrospective review of all SOTRs taking MMF and who underwent colonoscopy between 2000 and 2010 was performed. 36 cases of MMF colitis were identified and 361 patients served as controls. Descriptive statistics and data analysis looking for associated risk factors were performed. Results Among SOTRs taking MMF who underwent colonoscopy, MMF colitis was diagnosed in 9%. Endoscopic findings ranged from erythema (33%) to erosions/ulcers (19%). 47% of patients had a normal colonoscopy and everyone had rectal sparing. Histological findings included acute colitis-like findings (50%), inflammatory bowel disease-like characteristics (36%), ischemia-like findings (5.6%), and graft-versus-host disease-like features (8.3%). Diarrhea occurred in 83%. Kidney transplantation was associated with a higher risk of MMF colitis (OR 5.8 [2.86-11.86], P

Original languageEnglish (US)
Pages (from-to)364-371
Number of pages8
JournalAnnals of Gastroenterology
Volume28
Issue number3
StatePublished - 2015

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Mycophenolic Acid
Organ Transplantation
Colitis
Colonoscopy
Transplants
Graft vs Host Disease
Erythema
Immunosuppressive Agents
Inflammatory Bowel Diseases
Kidney Transplantation
Ulcer
Diarrhea
Ischemia

Keywords

  • Colitis
  • Colonoscopy
  • Mycophenolate mofetil
  • Mycophenolic acid
  • Transplant recipients

ASJC Scopus subject areas

  • Gastroenterology

Cite this

Endoscopic and histological features of mycophenolate mofetil colitis in patients after solid organ transplantation. / Calmet, Fernando H.; Yarur, Andres J.; Pukazhendhi, Geetha; Ahmad, Jawad; Bhamidimarri, Kalyan R.

In: Annals of Gastroenterology, Vol. 28, No. 3, 2015, p. 364-371.

Research output: Contribution to journalArticle

Calmet, Fernando H. ; Yarur, Andres J. ; Pukazhendhi, Geetha ; Ahmad, Jawad ; Bhamidimarri, Kalyan R. / Endoscopic and histological features of mycophenolate mofetil colitis in patients after solid organ transplantation. In: Annals of Gastroenterology. 2015 ; Vol. 28, No. 3. pp. 364-371.
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