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Oral pristinamycin versus standard penicillin regimen to treat erysipelas in adults: randomised, non-inferiority, open trial

BMJ 2002; 325 doi: https://doi.org/10.1136/bmj.325.7369.864 (Published 19 October 2002) Cite this as: BMJ 2002;325:864
  1. Philippe Bernard, professor (pbernard{at}chu-reims.fr)a,
  2. Olivier Chosidow, professorb,
  3. Loíc Vaillant, professorc
  1. aDepartment of Dermatology, Hôpital Robert-Debré, 51092 Reims, France
  2. bDepartment of Internal Medicine, Hôpital Pitié-Salpêtriére, 75013 Paris, France
  3. cDepartment of Dermatology, Hôpital Trousseau, 37044 Tours, France
  1. Correspondence to: P Bernard
  • Accepted 6 June 2002

Abstract

Objective: To assess the efficacy and safety of oral pristinamycin versus intravenous then oral penicillin to treat erysipelas in patients in hospital.

Design: Multicentre, parallel group, open labelled, randomised non-inferiority trial.

Setting: 22 French hospitals.

Participants: 289 adults admitted to hospital with erysipelas.

Results: At follow up (day 25-45) the cure rate (primary efficacy end point) for the per protocol populations was 81% (83/102) for pristinamycin and 67% (68/102) for penicillin. The planned interim analysis (global one sided type I error 5%) showed that the one sided 97.06% confidence interval of the observed difference (pristinamycin−penicillin) between cure rates (3.3% to ∞) exceeded the −10% non-inferiority threshold. For the intention to treat populations the cure rate at follow up was 65% (90/138) for pristinamycin and 53% (79/150) for penicillin, with the one sided 97.06% confidence interval of the observed difference between cure rates (1.7% to ∞) exceeding the −10% non-inferiority threshold. That the lower limit of the confidence interval exceeded the -10% threshold and was also >0 supports the hypothesis that pristinamycin is significantly superior at the 5% level. More adverse events related to treatment, as assessed by the investigators, were reported in the pristinamycin group than in the penicillin group. Most adverse events involved the gastrointestinal tract (nausea, vomiting, and diarrhoea) but were minor and usually did not require discontinuation of treatment.

Conclusion: Pristinamycin could be an alternative to the standard intravenous then oral penicillin regimen used to treat erysipelas in adults in hospital, with the advantages of oral first line therapy.

Footnotes

  • Funding Aventis (Paris, France).

  • Competing interests Competing interests: PB, OC, and LV have received fees from Aventis for helping to design and organise the study and review difficult cases (steering committee).

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