Intervention of curcumin on oral pharmacokinetics of daclatasvir in rat: A possi...

연구 요약

Intervention of curcumin on oral pharmacokinetics of daclatasvir in rat: A possible risk for long-term use.

Phytotherapy research : PTR 학술지에 발표된 이 연구는 Dogra A, Bhatt S, Magotra A 외 연구팀이 수행하였습니다.

이 연구는 'Intervention of curcumin on oral pharmacokinetics of daclatasvir in rat: A possible risk for long-term use.'에 대한 과학적 분석을 제공합니다.

핵심 내용

Curcumin, a natural diarylheptanoid, is extensively used as a food additive or dietary supplement on the regular basis. It is known to have potential to encumber the drug transporters and hepatic drug metabolizing enzymes that lead to pharmacokinetic interactions with drug or food. Daclatasvir is a new orally acting drug for the treatment of chronic Hepatitis C Virus infections. This is a substrate of P-glycoprotein and CYP3A4 that are involved in the major pharmacokinetic interaction. Hence, the studies' aim is to assess for any possible pharmacokinetic interactions. Pharmacokinetic studies of daclatasvir in presence or absence of curcumin were carried out in Wistar rats following oral administration. Parallelly, the oral pharmacokinetics of daclatasvir was also determined in the presence of ketoconazole or quinidine. Studies revealed that plasma level of daclatasvir was not altered significantly during concomitant single dose administration of curcumin, whereas significantly decreased upon pretreatment for 7 days with curcumin at high dose level. Ketoconazole and quinidine markedly increase daclatasvir exposure following concomitant administration with daclatasvir. It can be concluded that dose adjustment is unlikely to be required for intermittent use of curcumin at low dose but cautious for chronic and concomitant use of curcumin at a high dose.

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