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An Update on the Pharmacological Usage of Curcumin: Has it Failed in the Drug Discovery Pipeline?

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Abstract

The pharmacological propensities of curcumin have been reported in a plethora of pre-clinical and clinical studies. However, innate attributes account for extremely low oral bioavailability which impedes its development as a therapeutic agent. Regardless, these drawbacks have not deterred researchers from optimizing its potentials. This review discussed the pharmacokinetic properties of curcumin relative to its outlook as a lead compound in drug discovery. Also, we highlighted therapeutic strategies that have expedited improvements in curcumin oral bioavailability and delivery to target sites over the years. Recent implementations of these strategies were also covered. More research efforts should be directed towards investigating the pharmacokinetic impacts of these novel curcumin formulations in human clinical studies since inter-species disparities could limit the accuracies of animal studies. We envisaged that integrative-clinical research would help determine ‘actual’ improvements in curcumin pharmacokinetics coupled with suitable administrative routes, optimal dosing, and drug–enzyme or drug–drug interactions. In addition, this could help determine formulations for achieving higher systemic exposure of parent curcumin thereby providing a strong impetus towards the development of curcumin as a drug candidate in disease treatment.

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Acknowledgements

The authors appreciate the College of Health Sciences, University of KwaZulu-Natal for financial and infrastructural support while we also thank the Center for High-Performance Computing (CHPC, www.chpc.ac.za) Cape-Town, South Africa for providing computational resources.

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  1. Molecular Bio-computation and Drug Design Laboratory, School of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban, 4001, South Africa

    Fisayo Olotu, Clement Agoni, Opeyemi Soremekun & Mahmoud E. S. Soliman

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Olotu, F., Agoni, C., Soremekun, O. et al. An Update on the Pharmacological Usage of Curcumin: Has it Failed in the Drug Discovery Pipeline?. Cell Biochem Biophys 78, 267–289 (2020). https://doi.org/10.1007/s12013-020-00922-5

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