Tier 4 — mechanistic
Alleviation by Fisetin of Frailty, Inflammation, and Related Measures in Older Women (AFFIRM)
ClinicalTrials.gov (trial registry record — not yet published in a peer-reviewed journal)
2018
Not applicable — registry record
Bibliography
- Trial registry
- View on ClinicalTrials.gov Registered trial — results not yet published in a peer-reviewed journal.
- Funding
- Sponsor: Mayo Clinic. Funder type: Other (per ClinicalTrials.gov record). No further funding detail available from the registry entry.
- Competing interests
- Not disclosed in the ClinicalTrials.gov record; no results or manuscript are yet available to review for conflicts of interest.
Study snapshot
| Design | Randomised, double-blind (participant and investigator), placebo-controlled, parallel-group Phase 2 interventional trial (NCT03430037). |
|---|---|
| Model | Community-dwelling and skilled-nursing older women with frailty and gait disturbance (Frail Elderly Syndrome), enrolled at Mayo Clinic, Rochester, Minnesota. |
| Sample | Planned enrollment: 40 participants. |
| Intervention | Oral fisetin (dietary supplement) versus matching oral placebo capsule. |
| Duration | Per the registry record: study start 2018-02-06; estimated primary completion November 2026; estimated study completion November 2027. Status as of last registry update (11 May 2026): Enrolling by Invitation. |
| Endpoints | Improved 6-minute walk distance; Improved gait speed; One-month follow-up assessment window |
What the study showed, in plain terms
Key findings
What this study can and cannot tell us
Citation network
Articles citing this research paper
Biohack Blueprint analyses that reference this study in their evidence base.
- Fisetin Senolytic: Does It Clear Senescent Cells in Humans?Fisetin is clearly senolytic in some experimental cell systems and strongly senotherapeutic in animals, but controlled proof of systemic senescent-cell clearance in...Read analysis
- How and When to Take FisetinHuman fisetin studies use multiple schedules, and neither a high-fat meal nor morning dosing has been proved superior. This guide separates published...Read analysis
- Fisetin Dosage: What Human Studies Actually UseThere is no single established fisetin dose. Human studies have used 100 mg/day, 200–800 mg/day, 2 mg/kg intermittent dosing, ~20 mg/kg senolytic...Read analysis
- Fisetin: A Clinician's Guide to Evidence, Dose & SafetyFisetin is a plant flavonol with senolytic activity in selected cell and animal models. Human research now spans continuous low-dose regimens, intermittent...Read analysis
- Fisetin Pulse Dosing: What Human Trials Actually UseThere is no single Mayo Clinic fisetin protocol. Human trials use one-, two- and three-day pulses, with repeat intervals ranging from one...Read analysis
- Fisetin and Blood Pressure: Does It Raise or Lower It?Fisetin lowered blood pressure in a 2026 hypertensive-rat study and has additional preclinical vascular evidence, but no published human trial has yet...Read analysis
- Fisetin Drug Interactions: What to Watch For (2026)The clinical interaction profile of concentrated fisetin is uncertain. Preclinical enzyme findings cannot predict the safety of combinations with anticoagulants, cancer drugs,...Read analysis
- Fisetin Side Effects and Safety: What the Trials Show (2026)Human fisetin studies have not shown a consistent severe-toxicity signal, but the safety database remains small and heterogeneous. Long-term routine use, medication...Read analysis
- Fisetin vs Urolithin A: Senolytic vs Mitophagy (2026)Fisetin is studied for senotherapeutic effects; urolithin A targets mitophagy. Urolithin A has the more developed human intervention literature, while human systemic...Read analysis
- Fisetin vs Spermidine: Two Different Longevity Bets (2026)Fisetin is studied as a candidate senolytic, while spermidine is studied for autophagy-related biology. Their mechanisms and human evidence are different, and...Read analysis
- Fisetin vs Quercetin: Which Is Better, and When to Combine (2026)Fisetin and quercetin are related flavonols with overlapping preclinical senotherapeutic biology, but their human evidence differs. Fisetin has stronger preclinical senolytic activity...Read analysis
- Fisetin vs Apigenin: Senolytic vs CD38 Inhibitor (2026)Fisetin is studied as a candidate senolytic, while apigenin is studied for CD38 inhibition and other flavonoid effects. Both have substantial preclinical...Read analysis
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