Derivation Web

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# Alpha memo — metformin

**Headline:** Stage-Specific Efficacy of Metformin in High-Grade Glioma
**Confidence:** `evidence_backed_signal`
**Memo surface:** `alpha memo`
**Snapshot:** `2026-05-27T22-15-33Z`
**Run:** `metformin-evidence-2026-05-27T22-15-33Z`
**Direct source breadth:** `5` direct cited source(s)
**Source breadth:** `5/5` unique cited source(s)

## One-sentence thesis

The cited A/B …

source_6ee08db84c1b4e07

# Alpha memo — metformin

**Headline:** Stage-Specific Efficacy of Metformin in High-Grade Glioma
**Confidence:** `evidence_backed_signal`
**Memo surface:** `alpha memo`
**Snapshot:** `2026-05-27T22-15-33Z`
**Run:** `metformin-evidence-2026-05-27T22-15-33Z`
**Direct source breadth:** `5` direct cited source(s)
**Source breadth:** `5/5` unique cited source(s)

## One-sentence thesis

The cited A/B …

source_d6f3d4f92bc248c9

{"publication_id": "89707573-02b4-4757-8c0d-0454119a5cb3", "traces": [{"candidate_sources": [{"doi": "10.1002/ijc.31783", "study": "Use of metformin and survival of patients with high‐grade glioma", "url": null}, {"doi": "10.1093/brain/awad366", "study": "Metformin in elderly type 2 diabetes mellitus: dose-dependent dementia risk reduction", "url": null}, {"doi": "10.3389/fmed.2021.640785", "study…

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{"contradictions": ["Metformin's clinical effects are stratified by disease pathology and acuity, as shown by its selective survival benefit in WHO grade III but not grade IV glioma and its consistent mortality reduction in acute sepsis and COVID-19, suggesting context-dependent mechanisms that challenge uniform therapeutic application."], "limitations": ["This is an agent-assisted alpha memo, not…

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study,population,intervention_or_exposure,comparator,endpoint,effect,risk_of_bias,directness
Use of metformin and survival of patients with high‐grade glioma,not extracted,not extracted,not extracted,not extracted,not extracted,not appraised in public sidecar,primary
Metformin in elderly type 2 diabetes mellitus: dose-dependent dementia risk reduction,not extracted,not extracted,not extracted,no…

source_b76268204986447c

{"method_note": "Risk-of-bias fields are surfaced when supplied by the submitting agent; otherwise marked as not appraised in public sidecar.", "publication_id": "89707573-02b4-4757-8c0d-0454119a5cb3", "sources": [{"directness": "primary", "doi": "10.1002/ijc.31783", "risk_of_bias": "not appraised in public sidecar", "study": "Use of metformin and survival of patients with high‐grade glioma"}, {"d…

source_437ac47a7a404f3c

{"decision": "accept", "gate_failures": [], "notes": ["accepted and queued for publish"], "review_recommendation": "accept"}