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- PMID: 21164349
- UKPMCID: 21164349
- DOI: 10.1097/MEG.0b013e32834233a2
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Natural history of azathioprine-associated lymphopenia in inflammatory bowel disease patients: a prospective observational study.
Al Rifai, Ahmad; Prasad, Neeraj; Shuttleworth, Elinor; McBurney, Helen; Pushpakom, Sudeep; Robinson, Andrew; Newman, William; Campbell, Simon
European journal of gastroenterology & hepatology. 2011;23(2):153-8.
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Full-text held externally
- PMID: 21164349
- UKPMCID: 21164349
- DOI: 10.1097/MEG.0b013e32834233a2
Abstract
INTRODUCTION: Azathioprine (AZA) is commonly used in inflammatory bowel disease (IBD) patients. Lymphopenia is a recognized effect of this treatment, but lymphopenia-related complications in IBD patients have not been widely reported. The incidence and progression of AZA-induced lymphopenia in IBD patients is not well described. There is no consensus on its optimal management in this group. AIMS AND METHODS: We assessed the incidence and progression of lymphopenia and its related complications in a cohort of IBD patients over a 14-month period in two large tertiary gastroenterology units. Analysis of prospectively collected data was performed. RESULTS: Fifty-two patients were studied prospectively with a median age of 34 years. Eighteen patients (34.6%) developed lymphopenia (<1.0Ă—10(9)/l) during the course of treatment and 10 of them had severe lymphopenia (<0.6Ă—10(9)/l). Lymphopenia lasted on average 85.4 days and spontaneously resolved in 13 patients. No lymphopenia related-complications were documented. Patients treated with steroids had a significantly higher rate of lymphopenia (83.3 vs. 44.1%, P=0.0083). CONCLUSION: Lymphopenia is common among IBD patients treated with AZA. However, it did not seem to be associated with a higher risk of opportunistic infections and spontaneously resolved in the majority of cases.