Effects of poly(ethylene glycol) on efflux transporter activity in Caco-2 cell monolayers.


Poly(ethylene glycol) (PEG) is an excipient commonly used in pharmaceutical formulations to increase the aqueous solubility of drugs intended for oral administration. High concentrations of PEG are often used to solubilize drug candidates for in vitro experiments in cell culture (e.g., Caco-2 cell permeability studies) and/or for in vivo pharmacokinetic and… (More)


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