Research
Hormonal
GLP-1RAs may have little or no effect on breast cancer risk.
Practitioners should consider that GLP-1RAs may not significantly increase breast cancer risk based on current evidence.
StrongQualifiesmedium confidence
GLP-1RAs may have little or no effect on breast cancer (OR, 0.95 [CI, 0.60 to 1.49]; 10 fewer to 12 more per 10 000).
Why this rating
Based on a meta-analysis of randomized placebo-controlled trials.
Source
Risk for Cancer With Glucagon-Like Peptide-1 Receptor Agonists and Dual Agonists
Albert Ko et al. · Annals of Internal Medicine · 2025
DOI 10.7326/annals-25-02237
Meta-analysisCited 9×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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