Metformin reduces decline in the estimated glomerular filtration rate during progression of autosomal dominant polycystic kidney disease: a systematic review and meta-analysis
Abstract
OBJECTIVE: A meta-analysis (MA) was carried out to examine the influence of metformin on autosomal dominant polycystic kidney disease (ADPKD) patient prognosis.
MATERIALS AND METHODS: We reviewed and examined scientific articles from PubMed, Clinicalkey, Google Scholar, Medline, Embase, and Cochrane from the initiation date till June 2023 to identify investigations that examined metformin performance in managing ADPKD. Among the employed search terminology, we searched for terms such as "metformin" and "ADPKD". MA was conducted using the Cochrane Collaboration's RevMan version 5.3.0 (The Cochrane Collaboration, Oxford, UK).
RESULTS: We identified 4 investigations, with 164 total subjects who fulfilled our inclusion criteria. The experimental cohort displayed a marked reduction in the decline of estimated glomerular filtration rate (eGFR) relative to controls [mean difference (MD) = 2.31, 95% confidence interval (CI) = 0.82-3.79, p = 0.002]. We observed no obvious difference in the height-adjusted total kidney volume alteration, gastrointestinal side effects, and hypoglycemia between the two cohorts.
CONCLUSIONS: Metformin was easily tolerable and safe and substantially reduced the eGFR decline among ADPKD patients. Moreover, although metformin-treated patients were more likely to suffer gastrointestinal adverse events, we observed no discernible difference between the two cohorts.
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 164 participants or records.
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