Effects of metformin on head and neck cancer: an umbrella review.

BMC Cancer · 2026 · PMC13435574 · PMID 42215897

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an important trendno p-value reported

However, this study showed an important trend among metformin users which illustrated possible increase in DFS in DM patients using metformin compared to the ones who were not using this drug (OR = 1.99 95% CI 0.82–4.83).

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