Propitious Profile of Peppery Piperine.

BACKGROUND

Piperine is a key bioactive alkaloid found in plants of piperaceae family. The compound possesses various medicinal and pharmacological activities (cholesterol-lowering, anti-cancer, Alzheimer's disease etc.). Owing to its various target receptors (TRPV1, P-gp, CYP3A4 etc.) and several mechanisms, piperine has been studied as bio-enhancer for other drugs and its role has been evidenced in the literature. When administered with other drugs, it increases the absorption of other drugs, thereby reducing the dose and dose-related toxic potential. There are various mechanisms of piperine as a bio-enhancer and the common ones are i) prevention of efflux of drug molecules out of the cells; ii) decreased metabolism of drugs, thereby prolonging the halflife of drugs resulting in reduced urinary excretion. The detailed mechanism indicating the bio-enhancing role of piperine along with various target receptors has not been comprehensively summarised to date.

METHODS

Literature related to the molecular, enzymatic and receptor targets of piperine were studied, and database was collected using various search engines such as j-gate, google scholar, scihub, pubmed, sciencedirect, etc. The literature related to therapeutic activities of piperine and its bio-enhancer role for other drugs has been thoroughly studied and compiled in brief.

RESULTS

A detailed summary of piperine targets, along with related mechanisms, has been stated. A brief therapeutic profile of piperine alone has been produced with supporting literature. Piperine role as a potential bio-enhancer for other drugs has been summarized.

CONCLUSION

Piperine is a fascinating molecule of natural origin with several modes of its action, not only possesses its own therapeutic activity but also enhances the therapeutic efficacy of other synthetic and natural drug molecules. Combination dosage forms of various API incorporating piperine as a bio-enhancer can be a potential area of thrust for upcoming drug design and development.

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