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  • Title: Effect of N-acetylcysteine in subjects with slow pulmonary mucociliary clearance.
    Author: Todisco T, Polidori R, Rossi F, Iannacci L, Bruni B, Fedeli L, Palumbo R.
    Journal: Eur J Respir Dis Suppl; 1985; 139():136-41. PubMed ID: 3862607.
    Abstract:
    There is significant evidence that in the general population there are subjects either with fast or slow pulmonary mucociliary clearance rates. At the moment we do not know the physiological importance of such finding. Slow clearers should be regarded as a subpopulation at risk for bronchopulmonary diseases. Therefore, it would be of considerable interest if their mucociliary function could be stimulated by drugs for preventive purposes. Twelve apparently healthy subjects with slow mucociliary clearance rate, selected in an epidemiologic survey in a non-smokers population were given 0.6 g oral N-acetylcysteine/day/60 days in a double-blind cross-over randomized study. After treatment their mucociliary clearance rates increased by about 35% as compared with baseline values, and returned to pre-treatment values after the washout period. Subjects were unresponsive to placebo treatment. It would seem that slow clearers are protected against lung aggressions by prevention and/or mucus-active drugs.
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