Study on Drug-Drug Interactions Between Chiglitazar, a Novel PPAR Pan-Agonist, and Metformin Hydrochloride in Healthy Subjects

Clinical Pharmacology in Drug Development
Ling YiLi-Yan Miao

Abstract

Chiglitazar (CHI) is a potent and selective peroxisome proliferator-activated receptor potentially for the treatment of patients with type 2 diabetes mellitus (T2DM). An open-label, randomized, 3-period crossover and self-controlled study was conducted to investigate drug-drug interaction potential between CHI and metformin hydrochloride (MET). Eligible subjects received a single oral dose of CHI (48 mg), MET (1000 mg), or a combination in each period, followed by serial blood sampling collected for up to 48 hours postdose, and safety was assessed throughout the trial. The area under the plasma concentration-time curves from time 0 to 48 hours (AUC0-48 h ) of CHI was similar following administration alone or with MET (AUC0-48h , 12 540 ng·h/mL [9811-15 269 ng·h/mL] vs 12 130 ng·h/mL [9304-14 956 ng·h/mL]; 90% confidence interval [CI] of its geometric mean ratio [GMR], 89.7%-103.8%), whereas the maximum concentration (Cmax ) of CHI was reduced during coadministration, as its 90%CI of the GMR was slightly outside the acceptance range for bioequivalence (Cmax , 1620 ng/mL [1418-1822 ng/mL] vs 1420 ng/mL [1049-1791 ng/mL], 90%CI GMR, 77.%-94.1%). However, it was not considered clinically meaningful. The MET exposures remained consi...Continue Reading

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