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Current Drug Metabolism

Editor-in-Chief

ISSN (Print): 1389-2002
ISSN (Online): 1875-5453

General Review Article

Metabolism-based Drug-drug Interactions in Patients with Chronic Respiratory Diseases: A Review Focusing on Drugs Affecting the Respiratory System

Author(s): Shadi Baniasadi*

Volume 21, Issue 9, 2020

Page: [704 - 713] Pages: 10

DOI: 10.2174/1389200221999200820164038

Price: $65

Abstract

Background: Chronic respiratory diseases (CRDs) are increasing in prevalence, as reported by the World Health Organization (WHO). Patients with CRDs usually require co-administration of multiple drugs due to the complex pathogenic mechanisms of CRDs and the existence of concomitant diseases. Polypharmacy (co-administration of more than four medications) is the main risk factor of the occurrence of drug-drug interactions (DDIs) that may lead to reducing treatment efficacy and/or increasing adverse effects.

Methods: This literature-based review focuses on metabolism-based DDIs, the most prevalent DDIs responsible for difficulties in therapeutic management in patients with CRDs.

Results: Clinically relevant metabolism-based DDIs occur between drugs used for the treatment of respiratory diseases (corticosteroids, orally inhaled bronchodilators, methylxanthines, anti-leukotrienes, antimicrobials, endothelin receptor antagonists, phosphodiesterase inhibitors, antitussives, and antineoplastic agents) and drugs affecting cytochrome P450 (CYP) (inducers and inhibitors). Considering alternative therapies, adjusting medication doses, or monitoring patients during treatment are recommended to prevent the harmful consequences of these interactions.

Conclusion: Providing information on clinically relevant interactions of drugs more likely prescribed in daily practices of physicians is essential to improve patient safety. A list of known metabolism-based interactions of drugs affecting the respiratory systems should be available for physicians engaged in the treatment of CRDs.

Keywords: Chronic respiratory diseases, cytochrome P450, drug-drug interactions, enzyme inducers, enzyme inhibitors, metabolism, respiratory system, uridine glucuronosyl transferases.

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