title: Treatment of chronic obstructive pulmonary disease with corticosteroids. Comparison of daily vs alternate-day therapy.
abstract: We compared the efficacy of corticosteroid therapy initiated as an alternate-day regimen to that of a four-times-daily regimen in patients with stable chronic obstructive pulmonary disease. In this double-blind study, 44 patients with moderate to severe COPD (mean FEV1 740 +/- 310 ml) were hospitalized and randomly allocated to receive methylprednisolone, 8 mg qid, 64 mg qod, or placebo for a ten-day period. The mean FEV1 and FVC improved significantly to a comparable degree in both steroid-treated groups, but not in the placebo-treated group. Eight of the 29 steroid-treated patients (28 percent) had improved FEV1 of more than 25 percent compared with only one of the 15 placebo-treated patients. Those in the qod group also had notable improvement in SaO2. Although the correlation between the improvement after the administration of nebulized bronchodilators and that after corticosteroid therapy was significant, some patients had more than a 25 percent improvement in their FEV1 with corticosteroids, but less than a 10 percent improvement after nebulized bronchodilators. We conclude that a substantial proportion of all patients with stable COPD will have a greater than 25 percent improvement in their flow rates with corticosteroid administration. Since the response to a qod regimen is comparable to that of a qid regimen, and since the qod regimen is associated with fewer side effects, we recommend that a qod regimen be tried initially.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000008:administration & dosage*; D000368:Aged; D001993:Bronchodilator Agents / Q000008:administration & dosage; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004334:Drug Administration Schedule; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy* / Q000503:physiopathology; D008297:Male; D008775:Methylprednisolone / Q000008:administration & dosage; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D011897:Random Allocation; D012129:Respiratory Function Tests; D013997:Time Factors
chemical_list: D000305:Adrenal Cortex Hormones; D001993:Bronchodilator Agents; D010100:Oxygen; D008775:Methylprednisolone