An Evaluation of The Absolute Bioavailability of TH104

brief summary

This is a single-dose, single-center, open-label, randomized, 2-way crossover study (2 treatments, 2 periods and 2 sequences) of a buccal formulation of Nalmefene 16 mg and a 1 mg intravenous dose of nalmefene injection, with a least 7 days washout period between doses.