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Respiration. 1986;50(3):202-17.

Effect of long-term treatment with sobrerol on the exacerbations of chronic bronchitis.

Abstract

706 chronic bronchitic patients were admitted to a double-blind controlled multicenter study to evaluate the effect of the prolonged administration of sobrerol on exacerbations, clinical signs and respiratory function indexes. Patients were treated at random with sobrerol 300 mg b.i.d. or placebo b.i.d. for 3 consecutive months during the winter of 1983/1984. At the beginning of the study, sex, body surface, smoking habits, environment, anti-influenzal vaccination, concomitant pathologies and therapies, respiratory anamnesis, clinical condition and spirometric indexes were equivalent in the two groups. Among the patients admitted to the study, 76% of the sobrerol group did not complain of any exacerbations compared to 58% of the placebo group (p less than 0.001), moreover the risk of exacerbation was about twice higher than with the drug. The use of antibiotics was equivalent in the two groups, whilst the consumption of bronchodilators/theophyllines was markedly lower in the sobrerol group. The response of the clinical signs (dyspnea and auscultatory semeiotics) and of the spirometric indexes (RV, VC and FEV1) to therapy, was significantly higher in the patients treated with sobrerol compared to the placebo group. The opinion expressed by the experimenter and by the patient at the end of each month of treatment was again in favor of sobrerol. Side effects, which were minor and no different from those claimed by the patients treated with placebo, and the hematological and hematochemical assessments, carried out before and after treatment, support the good tolerance of sobrerol. These results let us hope for a more appropriate use of the mucus-regulating agents, particularly in the chronic bronchopulmonary pathologies for which these drugs seem to represent the most rational care.

PMID:
3541091
DOI:
10.1159/000194928
[Indexed for MEDLINE]

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