In vitro antibacterial activity of thiamphenicol glycinate acetylcysteinate against respiratory pathogens.

After 30 years of therapeutic use, thiamphenicol glycinate acetylcysteinate (CAS 20192-91-0) is still widely employed in the treatment of upper and lower respiratory tract infections. This is due to its particular characteristic to exert at pulmonary level, either the antibacterial activity of thiamphenicol (CAS 15318-45-3) and the mucolytic activity of N-acetylcysteine (CAS 616-91-1). The aim of this study was to evaluate the present pattern of susceptibility of several clinical isolates to thiamphenicol and the interference of N-acetylcysteine on this parameter. The studies have been performed in vitro. Equimolar concentrations of N-acetylcysteine and even higher concentrations did not interfere with the antibacterial activity of thiamphenicol against Streptococcus pneumoniae, Streptococcus pyogenes and Haemophilus influenzae. The spectrum of activity of thiamphenicol was similar to that observed in the past and was superior to that of erythromycin and amoxicillin. The activity of thiamphenicol was greater than that of erythromycin against H. influenzae and streptococci and equivalent versus Branhamella catarrhalis. In comparison with amoxicillin the activity of thiamphenicol was higher against H. influenzae and B. catarrhalis and slightly lower against streptococci. The results demonstrate that thiamphenicol maintains its therapeutic value confirming the importance of thiamphenicol glycinate acetylcysteinate in the treatment of respiratory tract infections.
AuthorsE Albini, G Belluco, M Berton, G Schioppacassi, D Ungheri
JournalArzneimittel-Forschung (Arzneimittelforschung) Vol. 49 Issue 6 Pg. 533-7 (Jun 1999) ISSN: 0004-4172 [Print] GERMANY
PMID10417871 (Publication Type: Journal Article)
Chemical References
  • Anti-Bacterial Agents
  • Drug Combinations
  • Penicillins
  • Erythromycin
  • Chloramphenicol
  • thiamphenicol glycinate acetylcysteinate
  • Amoxicillin
  • Thiamphenicol
  • Acetylcysteine
  • Acetylcysteine (pharmacology)
  • Amoxicillin (pharmacology)
  • Anti-Bacterial Agents (pharmacology)
  • Bacteria (drug effects)
  • Chloramphenicol (pharmacology)
  • Drug Combinations
  • Erythromycin (pharmacology)
  • Microbial Sensitivity Tests
  • Penicillins (pharmacology)
  • Respiratory Tract Infections (microbiology)
  • Thiamphenicol (analogs & derivatives, pharmacology)

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