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Ann Pharmacother. 1998 Sep;32(9):915-28.

Update on drug interactions with azole antifungal agents.

Author information

1
Department of Pharmacy, Albany Medical Center, NY 12208, USA. Blomaestro@ccgateway.amc.edu

Abstract

OBJECTIVE:

To review and update the incidence, mechanism, and clinical relevance of drug interactions with itraconazole, ketoconazole, and fluconazole.

DATA SOURCES:

Literature was identified by MEDLINE search (from January 1990 to May 1997) using the name of each antifungal and the term "interaction" as MeSH headings. Abstracts were identified by literature citation and by review of Interscience Conference on Antimicrobial Agents and Chemotherapy from 1995 to 1996.

STUDY SELECTION:

Randomized, controlled, double-blind studies were emphasized; however, uncontrolled studies and case reports were also included. In vitro data were selected from literature review and citations.

DATA EXTRACTION:

Data were evaluated with respect to study design, clinical relevance, magnitude of interaction, and recommendations provided.

DATA SYNTHESIS:

The incidence of fungal infections and consequent azole antifungal usage continues to increase. By virtue of their antifungal mechanism (i.e., inhibition of cytochrome P450 fungal enzyme systems), azoles have been investigated and implicated in several drug interactions. The magnitude of interactions can vary from trivial to potentially fatal, and also vary with specific azole and interactant.

CONCLUSIONS:

The azole antifungal agents represent a commonly used class of agents with a broad range of potential interactions. Recent data have increased our understanding of drug--drug interactions with azoles. Pharmacists are in a unique position to identify these interactions and to intervene to decrease their morbidity and improve patient care.

PMID:
9762380
DOI:
10.1345/aph.17271
[Indexed for MEDLINE]

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