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Review Articles

Effects of intestinal flora on pharmacokinetics and pharmacodynamics of drugs

, , ORCID Icon, , , & ORCID Icon show all
Pages 126-139 | Received 15 Nov 2022, Accepted 24 Feb 2023, Published online: 14 Mar 2023
 

Abstract

Gut microbiota is known as unique collection of microorganisms (including bacteria, archaea, eukaryotes and viruses) that exist in a complex environment of the gut. Recently, this has become one of the most popular areas of research in medicine because this plays not only an important role in disease development, but gut microbiota also influences drug pharmacokinetics. These alterations in drug pharmacokinetic pathways and drug concentration in plasma and blood often lead to an increase in the incidence of toxicological events in patients. This review aims to present current knowledge of the most commonly used drugs in clinical practice and their dynamic interplay with the host’s gut microbiota as well as the mechanisms underlying these metabolic processes and the consequent effect on their therapeutic efficacy and safety. These new findings set a foundation for the development of personalized treatments specific to each metabolism, maximizing drugs’ therapeutic effects and minimizing the side effects because they are one of the major limiting factors in treating patients.

Acknowledgement

The authors are grateful for the financial support from the International Society of Engineering Science and Technology (ISEST) UK.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by International Society of Engineering Science and Technology (ISEST) UK.