○ Evidence tier 2 — Human RCT — disease or biomarker endpoint

Record verify: primary source pending

DesignPhase 2 double-blind randomized placebo-controlled (ongoing)
RegistryNCT03430037
Citation statusverified via ClinicalTrials.gov v2 API: Mayo Clinic AFFIRM, Phase 2 randomized double-blind placebo-controlled, n=40 target, ENROLLING_BY_INVITATION as of 2026-05 — NO results published

Five-qualifier claim

Species / populationOlder adults with frailty/multimorbidity (older women in AFFIRM; mixed cohort in AFFIRM-LITE).
Exposure, route, scheduleOral fisetin 20 mg/kg/day for 2 days vs placebo (double-blind).
Comparator / durationRandomized, placebo-controlled; short intermittent dosing.
Endpoint / numeric resultEndpoints are frailty (gait speed) and inflammatory markers. Status: enrolled/ongoing; no efficacy results published as of the search date.
What it did NOT establishNo results — the existence of the trial is not evidence of benefit.

Interventions

Primary reference

https://clinicaltrials.gov/study/NCT03430037

Exact identifier to be confirmed against the primary record before publication where flagged above.