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JAMA. 1994 Jun 22-29;271(24):1913-8.

A randomized placebo-controlled trial of Saccharomyces boulardii in combination with standard antibiotics for Clostridium difficile disease.

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  • 1Department of Medicinal Chemistry, School of Pharmacy, University of Washington, Seattle 98195.

Erratum in

  • JAMA 1994 Aug 17;272(7):518.

Abstract

OBJECTIVE--To determine the safety and efficacy of a new combination treatment for patients with Clostridium difficile-associated disease (CDD). The treatment combines the yeast Saccharomyces boulardii with an antibiotic (vancomycin hydrochloride or metronidazole). DESIGN--A double-blind, randomized, placebo-controlled, parallel-group intervention study in patients with active CDD. Patients received standard antibiotics and S boulardii or placebo for 4 weeks, and were followed up for an additional 4 weeks after therapy. Effectiveness was determined by comparing the recurrence of CDD in the two groups using multivariate analysis to control for other risk factors for CDD. SETTING--National referral study of ambulatory or hospitalized patients from three main study coordinating centers. PATIENTS--A total of 124 eligible consenting adult patients, including 64 who were enrolled with an initial episode of CDD, and 60 who had a history of at least one prior CDD episode. Patients who were immunosuppressed due to acquired immunodeficiency syndrome or cancer chemotherapy within 3 months were not eligible. INTERVENTION--Treatment with oral S boulardii (1 g/d for 4 weeks) or placebo in combination with a standard antibiotic. MAIN OUTCOME MEASURE--Recurrence of active CDD. RESULTS--A history of CDD episodes dramatically increased the likelihood of further recurrences. Multivariate analysis revealed that patients treated with S boulardii and standard antibiotics had a significantly lower relative risk (RR) of CDD recurrence (RR, 0.43; 95% confidence interval, 0.20 to 0.97) compared with placebo and standard antibiotics. The efficacy of S boulardii was significant (recurrence rate 34.6%, compared with 64.7% on placebo; P = .04) in patients with recurrent CDD, but not in patients with initial CDD (recurrence rate 19.3% compared with 24.2% on placebo; P = .86). There were no serious adverse reactions associated with S boulardii. CONCLUSIONS--The combination of standard antibiotics and S boulardii was shown to be an effective and safe therapy for these patients with recurrent CDD; no benefit of S boulardii was demonstrated for those with an initial episode of CDD.

Comment in

PMID:
8201735
[PubMed - indexed for MEDLINE]
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