Metformin × inflammation & biomarkers

SynthesisClinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico2020

The effect of metformin on biomarkers associated with breast cancer outcomes: a systematic review, meta-analysis, and dose-response of randomized clinical trials.

J Rahmani et al.PubMed ↗Publisher ↗

  • Metforminlooks good hereLower glucose, lower CRP, lower insulin resistance.Randomised, large.

What the trial testedrandomised · 1,363 people · 2020

Randomised vs control

Lowered glucose

−1.78−2.96 to −0.60

metformin vs control

As reported

difference −1.78, 95% CI −2.96 to −0.60

Randomised vs control

Lowered CRP

−0.60−0.88 to −0.33

metformin vs control

As reported

difference −0.60, 95% CI −0.88 to −0.33

Randomised vs control

Lowered insulin resistance

−0.45−0.77 to −0.11

metformin vs control

As reported

difference −0.45, 95% CI −0.77 to −0.11 · the paper's word: HOMA-IR

Randomised vs control

Lowered leptin

−2.44−3.28 to −1.61

metformin vs control

As reported

difference −2.44, 95% CI −3.28 to −1.61

+2 more in the walkthrough ↓

Who was studied, and how

1,363people with type 2 diabetes, in this paper

The trial randomly assignedassigned by chance

metformin
control

Lowered glucose−1.78

Lowered CRP−0.60

Lowered insulin resistance−0.45

randomised

the abstract, start to end

significant reduction in insulin (WMD: - 0.99 U/ml, 95% CI - 1.66, - 0.33), glucose (WMD: - 1.78 ml/dl, 95% CI - 2.96, - 0.60), CRP (WMD: - 0.60 mg/l, 95% CI - 0.88, - 0.33), HOMA-IR (WMD: - 0.45, 95% CI - 0.77, - 0.11), leptin (WMD: - 2.44 ng/ml, 95% CI - 3.28, - 1.61), BMI (WMD: - 0.55 kg/m CONCLUSIONS: Breast cancer

← favours treatmentfavours comparator →
could be chance
No interval given · direction only, strength unknown
Insulinmetformin vs control
−0.99−1.66 to −0.33
Glucosemetformin vs control
−1.78−2.96 to −0.60
CRPmetformin vs control
−0.60−0.88 to −0.33
HOMA-IRmetformin vs control
−0.45−0.77 to −0.11
Leptinmetformin vs control
−2.44−3.28 to −1.61
BMImetformin vs control
−0.55
MetforminGlycemic controlBody weight & compositionInflammation & biomarkers

Metformin × inflammation & biomarkershelps?one trial

unlikelylikely
0.50not counted

Metformin × glycemic controlhelps?replicated

unlikelylikely
0.84not counted
← favours comparatorfavours treatment →
more certainless certain
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12 papers cite it

2019
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Full record →Abstract, authors, funding and every citing paper · PMID 31006835