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Arzneimittelforschung. 1994 Dec;44(12A):1495-8.

Pidotimod in the treatment of patients affected by bacterial exacerbations of chronic bronchitis.

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1
Institute of Respiratory Diseases, University of Turin, Italy.

Abstract

A multicentre double-blind placebo-controlled study was conducted in order to assess the effects of pidotimod ((R)-3-[(S)-(5-oxo-2-pyrrolidinyl) carbonyl]-thiazolidine-4-carboxylic acid, PGT/1A, CAS 121808-62-6), a new synthetic biological response modifier, on the clinical picture of bacterial exacerbations of chronic bronchitis. Seven centres of respiratory diseases participated in the trial. A total of 137 patients, 103 males and 34 females (mean age: 65.0 years) were admitted to the study. The trial was subdivided into 3 phases. During the first 8-day phase (D0-D8), 68 patients received 800 mg pidotimod orally (one sachet) twice daily and an antibiotic treatment (amoxycillin plus clavulanic acid: 1 g twice daily), while 69 patients received placebo (one sachet) and antibiotic according to the same dosage schedule. In the second 7-day phase (D8-D15), while the double-blind therapy proceeded, the antibiotic treatment was stopped. The third phase (D15-D45) consisted of a 30-day follow-up period. Five clinical observations, at D0, D4, D8, D15 and D45, were scheduled. The Skin test, to evaluate immunocompetence, was carried out at D0, D15 and D45. The faster improvement of symptomatology (dyspnoea, cough, sputum, hyperpyrexia) in the patients in the pidotimod group compared with the placebo group was reflected in recovery time: mean 8.9 days in the pidotimod group versus 10.7 days in the placebo group (p < 0.01).(ABSTRACT TRUNCATED AT 250 WORDS).

PMID:
7857350
[Indexed for MEDLINE]

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