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Letters in Drug Design & Discovery

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ISSN (Print): 1570-1808
ISSN (Online): 1875-628X

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Research Article

Synthesis and Biological Evaluation of Hydroxypropyl Ester of Mefenamic Acid as a Promising Prodrug

Author(s): Qais Jarrar*, Rami Ayoub, Said Moshawih, Yazun Jarrar and Jamal Jilani

Volume 20, Issue 2, 2023

Published on: 14 June, 2022

Page: [144 - 152] Pages: 9

DOI: 10.2174/1570180819666220330160134

Price: $65

Abstract

Background: The free carboxylic acid group in the mefenamic acid (MFA) structure plays a potential role in developing various neuromuscular side effects after MFA administration. In this study, the hydroxypropyl promoiety was added to the carboxylic acid group of MFA in an attempt to reduce the neuromuscular side effects of MFA and improve its therapeutic effects.

Methods: Hydroxypropylester of MFA (HPEMA) was synthesized and subjected to various in vivo investigations compared to MFA. The neuromuscular toxicity was conducted following high doses administration in mice and was evaluated at various measuring parameters, such as the percentage of catalepsy, clonic-tonic seizure, and death. In addition, the anti-inflammatory and anti-nociceptive effects of HPEMA were evaluated in the carrageenan-induced paw edema test and acetic acid-induced writhing test, respectively.

Results: The findings of this study reveal that the percentage of catalepsy, clonic-tonic seizure, and death is significantly lower in mice treated with HPEMA than in those treated with equimolar doses of MFA. In addition, treatment with HPEMA caused a comparable anti-inflammatory activity in the carrageenaninduced paw edema test and a significantly higher anti-nociceptive effect in the acetic acid-induced writhing test than the MFA treatment.

Conclusion: This study’s findings suggest that HPEMA is a promising prodrug for MFA.

Keywords: Mefenamic acid, seizure, CNS convulsion, prodrug, anti-nociceptive, hydroxypropyl ester.

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