Azathioprine with prednisone for polymyositis. A controlled, clinical trial

T. W. Bunch, J. W. Worthington, J. J. Combs, D. M. Ilstrup, A. G. Engel

Research output: Contribution to journalArticlepeer-review

187 Scopus citations

Abstract

A controlled, prospective, double-blind, therapeutic trial of azathioprine was conducted in the initial therapy of polymyositis. Sixteen patients received 60 mg prednisone per day plus either azathioprine (2 mg/kg of body weight per day) or placebo for a period of 3 mth. Creatine phosphokinase (CPK) levels fell to normal slightly sooner in the placebo group, but not significantly so. The azathioprine group did not become significantly stronger (P = 0.58) and did not manifest significantly greater improvement of histopathologic features of muscle (P = 0.80) than the placebo group. Initial CPK elevations were significantly related to the degree of muscle inflammation (P = 0.037), but this was not the case at 3 mth (P > 0.05). Normalization of the CPK could not be equated with disease control. Type II fiber atrophy, attributed to steroid therapy, was more marked in women than in men (P < 0.03).

Original languageEnglish (US)
Pages (from-to)365-369
Number of pages5
JournalAnnals of internal medicine
Volume92
Issue number3
DOIs
StatePublished - Jan 1 1980

ASJC Scopus subject areas

  • Internal Medicine

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