期刊
EUROPEAN JOURNAL OF PHARMACEUTICAL SCIENCES
卷 179, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ejps.2022.106298
关键词
Janagliflozin; T2DM; Liver cirrhosis; Renal impairment; PBPK model
资金
- National Science and Technology Major Project of China
- Jinan Technology Development Program
- [2020ZX09201 - 025]
- [202,019,118]
This study developed a physiologically based pharmacokinetic (PBPK) model to predict the pharmacokinetics of Janagliflozin in T2DM patients. The results showed that the exposure of Janagliflozin increased with the severity of cirrhosis, while it remained stable regardless of the severity of renal impairment. This suggests that dose adjustment may not be critical for these patients, but a risk benefit assessment is recommended.
Janagliflozin is a sodium-glucose cotransporter 2 (SGLT2) inhibitor for type 2 diabetes mellitus (T2DM). The janagliflozin pharmacokinetics (PK) in T2DM patients with cirrhosis or renal impairment (RI) are unknown. To predict the janagliflozin PK in these patients, we constructed a physiologically based PK (PBPK) model that predicted the janagliflozin PK in normal animals. The model was extrapolated to healthy humans and optimized with the measured data. A PBPK model for T2DM patients was developed and optimized with the measured data. Based on the physiological alterations in cirrhosis or RI patients, the T2DM model was applied to predict the janagliflozin PK in these patients. Results were validated using fold error values. The predicted AUC values were 21,880, 24,881, 26,996, and 28,419 ng/ml.h in T2DM patients with no cirrhosis, Child-Pugh-A, B, and C, respectively, and those in T2DM patients with RI-mild, RI-moderate, and RI-severe were 21,810, 21,840, and 22,845 ng/ml.h, respectively. Janagliflozin exposure increased with increasing cirrhosis severity, whereas it remained stable regardless of the RI severity. The PBPK model predicted the janagliflozin PK in patients with T2DM and liver cirrhosis or RI. Dose adjustment is less critical for these patients. Risk benefit assessment in janagliflozin dosing for T2DM patients with liver disease is recommended.
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