Paroxetine in patients with irritable bowel syndrome: A pilot open-label study

Prakash S. Masand, Sanjay Gupta, Thomas L. Schwartz, Subhdeep Virk, Kari Lockwood, Ahmad Hameed, Monica King, David S. Kaplan

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

Background: Irritable bowel syndrome (IBS) is a common disorder and is the largest diagnostic cohort seen by gastroenterologists. There is a bidirectional comorbidity of IBS and psychiatric illness. Ours is the first study to examine the effect of any selective serotonin reuptake inhibitor in subjects with IBS. Method: Twenty subjects with Rome I criteria - diagnosed IBS were treated with 20 to 40 mg of paroxetine for 12 weeks. We utilized a computer-administered patient daily questionnaire taken by patients over the telephone using an interactive voice response system. Results: Sixty-five percent of patients (13/20) reported a reduction in abdominal pain, and 55% (11/20) reported a reduction in pain frequency (total or mean number of days per week in which the patient had the symptom decreased by a 50%). Constipation and diarrhea were reduced in 69% and 57% of patients (9/13 and 8/14), respectively. Similarly, a clinically significant reduction in the symptoms of feeling of incomplete emptying (53% [9/17]) and bloating/abdominal distension (55% [11/20]) was apparent at study conclusion compared with baseline. On the Clinical Global Impressions scale at week 12, 47% (8/17) of the patients were much or very much improved. Conclusion: In our pilot open-label study, paroxetine was very effective in alleviating the abdominal pain and associated symptoms of IBS. These results warrant further examination in a placebo-controlled study.

Original languageEnglish (US)
Pages (from-to)12-16
Number of pages5
JournalPrimary Care Companion to the Journal of Clinical Psychiatry
Volume4
Issue number1
DOIs
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • Psychiatry and Mental health

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