Ex vivo and in vivo investigations of the effects of extracts of Vernonia amygdalina, Carica papaya and Tapinanthus sessilifolius on digoxin transport and pharmacokinetics: assessing the significance on rat intestinal P-glycoprotein efflux.


Vernonia amygdalina (VA), Carica papaya (CP), and Tapinanthus sessilifolius (ML) are widely used in some countries as medicinal herbs to treat ailments including malaria, cancer, and diabetes. We previously reported the inhibitory effects of these herbs on permeability glycoprotein (P-gp) in Caco-2 cell monolayers. This study used ex vivo and in vivo models… (More)


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