July 7, 2017

Dose-adjusted plasma concentrations of buprenorphine are significantly decreased during pregnancy compared to the non-pregnant state. This observation suggests that pregnant women may need a higher dose of buprenorphine than non-pregnant individuals in order to maintain similar drug exposure (plasma concentrations over time after a dose). The current dosing recommendations for buprenorphine during pregnancy address the total daily dose of buprenorphine to be administered but the frequency of dosing is not clearly addressed. Based on buprenorphine’s long terminal half-life, once daily or twice daily dosing has generally been suggested.

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