In Vitro and In Vivo Pharmacokinetic Characterization of 7-Hydroxymitragynine, an Active Metabolite of Mitragynine, in Sprague-Dawley Rats. - Chiang YH; Kanumuri SRR; Kuntz MA; Senetra AS; Berthold EC; Kamble SH; Mukhopadhyay S; Hampson AJ; McCurdy CR; Sharma A (European journal of drug metabolism and pharmacokinetics, 2025)