title: Oral corticosteroids in patients with mild Pneumocystis carinii pneumonia and the acquired immune deficiency syndrome (AIDS).
abstract: OBJECTIVE
  To assess the effect of oral corticosteroids in patients with mild Pneumocystis carinii pneumonia and the acquired immune deficiency syndrome (AIDS).
  
  
  METHODS
  Prospective, double blind, placebo controlled, randomized trial.
  
  
  METHODS
  Included were AIDS patients having their first episode of P. carinii pneumonia, who had no other known active pulmonary pathology, who had no contraindications for corticosteroids and who had received no other anti-P. carinii medications for more than 48 h. Subjects received either prednisone, 60 mg/day for 7 days, followed by a progressive tapering over 14 days, or identical placebo. The present analysis pertains to patients with mild P. carinii pneumonia as defined by a baseline resting oxygen saturation greater than 90% and a decrease in oxygen saturation during exercise while breathing room air of not less than 5 percentage points. Early deterioration, the end-point of the trial, was defined as a 10% decrease from baseline oxygen saturation on day 3 or thereafter.
  
  
  RESULTS
  At study termination, there were 12 subjects in the placebo group and 11 in the corticosteroid group. Baseline characteristics were not statistically different between the treatment groups. Early deterioration developed in 7 and 1 patients in the placebo and corticosteroid groups respectively (P = 0.027). In addition, by day 3, a number of parameters were less favorable in the placebo group relative to the corticosteroid group including median oxygen saturation (85% vs 97%; P = 0.003), lactic dehydrogenase (1514 vs 763; P = 0.013), median respiratory rate (30 vs 22; P = 0.003), median heart rate (100 vs 81; P = 0.002), and median temperature (39 vs 37; P = 0.024). Even though patients suffering early deterioration in the placebo group were switched to corticosteroids, significant differences between the groups remained at day 30 with regard to exercise tolerance. More than half of patients assigned to the corticosteroid group exercised for a median of 6.5 min on day 30 (P = 0.017).
  
  
  CONCLUSIONS
  Oral corticosteroids prevent early deterioration and increase exercise tolerance in patients with mild AIDS-related P. carinii pneumonia as defined on the basis of pulse oximetry.
authors.affiliation: St Paul's Hospital, University of British Columbia, Vancouver, Canada.
authors.forename: J S
authors.initials: JS
authors.lastname: Montaner
authors.forename: S
authors.initials: S
authors.lastname: Guillemi
authors.forename: J
authors.initials: J
authors.lastname: Quieffin
authors.forename: L
authors.initials: L
authors.lastname: Lawson
authors.forename: T
authors.initials: T
authors.lastname: Le
authors.forename: M
authors.initials: M
authors.lastname: O'Shaughnessy
authors.forename: J
authors.initials: J
authors.lastname: Ruedy
authors.forename: M T
authors.initials: MT
authors.lastname: Schechter
mesh_terms: D017088:AIDS-Related Opportunistic Infections / Q000188:drug therapy*; D000284:Administration, Oral; D000328:Adult; D004311:Double-Blind Method; D017079:Exercise Tolerance / Q000187:drug effects; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007770:L-Lactate Dehydrogenase / Q000187:drug effects; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D011020:Pneumonia, Pneumocystis / Q000188:drug therapy*; D011241:Prednisone / Q000627:therapeutic use*; D011446:Prospective Studies; D012119:Respiration / Q000187:drug effects
chemical_list: D007770:L-Lactate Dehydrogenase; D010100:Oxygen; D011241:Prednisone