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Influence of ambroxol on lung tissue penetration of amoxicillin
J Spátola1, J J Poderoso, J C Wiemeyer
1Instituto Roffo, University of Buenos Aires, Argentina.
Abstract:
Lung amoxicillin levels were assessed in tissue obtained from 16 patients who underwent lung resection due to different pulmonary diseases. In this double-blind placebo controlled study patients were allocated to two groups in randomized order; one group received amoxicillin 1000 mg t.i.d. (n = 8) and the other amoxicillin 1000 mg + ambroxol 60 mg t.i.d. (n = 8). A trend towards higher antibiotic lung tissue levels was observed in patients who received the antibiotic together with the mucolytic agent. The ratio pulmonary tissue/serum amoxicillin levels reached a significant difference being higher in the amoxicillin plus ambroxol group than in the other one (0.411 +/- 0.04 vs 0.672 +/- 0.07; p less than 0.01), even if the amoxicillin plasma levels were lower. A possible effect of ambroxol on lung tissue penetration of amoxicillin is suggested and discussed.