Title : Polysorbate 20 alters the oral bioavailability of etoposide in wild type and mdr1a deficient Sprague-Dawley rats.

Pub. Date : 2018 May 30

PMID : 29635055






3 Functional Relationships(s)
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1 The aim of the present work was to investigate the ability of nonionic surfactants to increase the oral absorption of the P-glycoprotein substrate etoposide in vitro and in vivo. Etoposide ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
2 In cell cultures, polysorbate 20 (PS20) decreased P-glycoprotein mediated efflux of etoposide. Etoposide ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus
3 In conclusion, PS20 increases oral bioavailability of etoposide through inhibition of P-glycoprotein. Etoposide ATP-binding cassette, subfamily B (MDR/TAP), member 1B Rattus norvegicus