From Wikipedia, the free encyclopedia
Effectus primi transitus (Anglice: first pass effect[1]) est pars pharmacocineticae absorptionis et phaenomenon metabolismi substantiarum pharmacologicarum, qua cuiusdam substantiae concentratio in iecore ante circulationem sanguiniem pervendiendam multum diminuitur.[2]
Exempla notabilia sunt diazepamum, imipraminum, melperonum, morphinum. Ergo pro his substantiis alii interdum aditus in corpus humanum eligendi sunt.
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