In vivo assessment of black seed oil single dose on prednisolone pharmacokinetic...

연구 요약

In vivo assessment of black seed oil single dose on prednisolone pharmacokinetics.

The Journal of pharmacy and pharmacology 학술지에 발표된 이 연구는 Abutaima R, Al-Ebini Y, Alkofahi A 외 연구팀이 수행하였습니다.

이 연구는 'In vivo assessment of black seed oil single dose on prednisolone pharmacokinetics.'에 대한 과학적 분석을 제공합니다.

핵심 내용

OBJECTIVES: To investigate the effect of blackseed oil (BSO) single dose on prednisolone pharmacokinetics via p-gp inhibition. METHODS: Three groups of rats (n = 5) were orally administered the vehicle, verapamil (50 mg/kg) or BSO (5 ml/kg) 15 min prior to prednisolone (5 mg/kg) administration. Blood samples were collected over 24 h and quantified. Non-compartmental analysis was employed to calculate maximum plasma concentration (Cmax), area under the curve (AUC0-last), time to reach Cmax (Tmax), apparent clearance (CL/F), and half-life (t1/2). Statistical significance was considered at p<0.05. RESULTS: Prednisolone Cmax and AUC0-last decreased by 65% and 25% in the BSO group compared to the negative control (P < .0001, .0029, respectively) while they increased by 1.75-folds and 8-folds in verapamil group (P < .0001). Tmax was achieved at 0.16, 0.5, and 0.25 h in the negative control, verapamil, and BSO-treated groups, respectively. CL/F in the treatment group was 1.3-fold and 10-fold higher compared to the negative and positive control, respectively, whereas the t1/2 remained comparable. CONCLUSION: Administration of BSO decreased prednisolone Cmax and AUC0-last in rats indicating that there is a herb-drug interaction; however, p-gp inhibition cannot be concluded. Patients relying on folk medicine in chronic illnesses treatment might need to avoid combining BSO with prednisolone.

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