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Allopurinol Use and the Risk of Type 2 Diabetes Mellitus: A Meta-Analysis of Cohort Studies

Overview
Journal Dose Response
Publisher Sage Publications
Date 2022 Sep 12
PMID 36091718
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Abstract

Objective: To assess whether there is a relation between allopurinol use and the probability of type 2 diabetes mellitus (T2DM) in persons with gout and/or hyperuricemia.

Methods: According to the PRISMA 2020 guidelines, a meta-analysis was performed by searching literature published from 2000 to 2021 in two electronic databases (Ebscohost and PubMed). The end point was set as a new diagnosis ofT2DM between people with the use of allopurinol and people with non-use of allopurinol. The random-effects model was performed to evaluate the pooled hazard ratio (HR) with 95% confidence interval (CI) for T2DM associated with allopurinol use.

Results: Three cohort studies could meet the inclusion criteria in the meta-analysis. There was a high heterogeneity of the outcome between studies (I = 99%). The research duration ranged from 13 to 16 years. The subject number in each work ranged from 1114 to 138,652. A meta-analysis disclosed that there was not an association between allopurinol use and the risk of developing T2DM (pooled HR = 1.01 and 95%CI = .55-1.84).

Conclusions: The meta-analysis shows that no correlation is detected between allopurinol use and the risk of T2DM in individuals with gout and/or hyperuricemia. Because there are not enough eligible studies, the strength of evidence in our meta-analysis is weak. More cohort studies are needed to determine an association between use of allopurinol and the probability of T2DM for individuals with gout and/or hyperuricemia.

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