Does FOXO4-DRI help with any outcome in humans? Grade D evidence

What the studies show

No clinical study is registered or published. LYO's search found none.

Animal studies, cell studies, or anecdotes only. This is where almost every viral peptide sits. Promising and proven are different words for a reason.

1
PubMed and ClinicalTrials.gov search: FOXO4-DRI — no human study identified.Searched 2026-09-23

In context

FOXO4-DRI is a cell-penetrating peptide designed to pry the protein FOXO4 away from p53 inside senescent cells, causing those cells to die. In a 2017 Cell paper it restored fitness, fur density and kidney function in aged and prematurely ageing mice. That is the entire evidence base: no human trial, no human safety data, and no regulatory filing. Products sold under the name are unlicensed research chemicals.

FOXO4-DRI is not approved (preclinical). Legal status differs by country — see the regulation section or the jurisdiction pages.

Questions

Is FOXO4-DRI proven to help with any outcome in humans?

No. There is no human evidence for it (0); the claim rests on animal or cell studies and LYO grades it D.

What studies are behind the grade?

No clinical study is registered or published. LYO's search found none.

Is FOXO4-DRI approved for this?

No. FOXO4-DRI is not approved (preclinical); it is not an approved medicine for any indication in the jurisdictions LYO covers.

Other outcomes for FOXO4-DRI

DFitness, fur density and renal function (aged mice)Animal only
DSenescent cell clearance (human cells in vitro)Cell culture

Written and maintained by LYO Research — how pages are written and checked. Reviewed 23 September 2026. Grades count human evidence only; see how LYO grades. Not medical advice. Correct this page →