Longevity & Cellular Health

FOXO4-DRI

A preclinical senolytic research peptide.

Last updated 12 August 2026

Studied forSenescent-cell clearance research · Mouse tissue-function rebound · Inflammation modulation

Evidence on file1 in-vitro study · 5 citations not yet graded

Strongest sourceSenolytic Peptide FOXO4-DRI Selectively Removes Senescent Cells From in vitro Expanded Human Chondrocytes (20… (in-vitro study)

Mechanism

D-retro-inverso TAT-fused peptide that disrupts FOXO4-p53 signaling.

Reported effects

What sources associate with this compound. Reported categories, not outcomes we have graded — each would need its own citation and rung.

Senescent-cell clearance research
Mouse tissue-function rebound
Inflammation modulation

Dosing on file unverified

1-5 mg every 3 days, cycled 1–2 weeks

Reported dose	Volume	Draw
Low — 1 mg	0.2 mL	20 units
High — 5 mg	1 mL	100 units

What that assumes. Assumes 10 mg in 2 mL (5000 mcg/mL) drawn on a U-100 barrel — the preset on this record, not a recommendation and not the only way to mix it. Change the vial mass, the diluent or the barrel and every number in this table changes. Run your own.

Carried from a source that labels it unverified, and reproduced with that label attached. A record of what is reported, not a recommendation. No citation on this page establishes it.

Reconstitution

Vial	Diluent	Concentration	Typical dose	Draw
10 mg	2 mL	5000 mcg/mL	1000 mcg	20 units

mass ÷ diluent = concentration; dose ÷ concentration = volume; volume × the syringe factor = units on the barrel (100 for U-100, 40 for U-40). Run your own numbers.

Literature on file 6

in vitro
Senolytic Peptide FOXO4-DRI Selectively Removes Senescent Cells From in vitro Expanded Human Chondrocytes (2021, cited 51x) graded on: an in-vitro system — “in vitro”

Not graded

5 citations whose study design could not be read from the title. Left ungraded rather than guessed at.

Identity

Space-filling 3D model of FOXO4-DRI, carbon grey, nitrogen blue, oxygen red — Built from the SMILES on this record — the atoms, bonds and stereochemistry are exact. The shape is **one computed low-energy pose**, not a measured structure: a flexible peptide in solution has no single conformation. The skeletal formula below claims connectivity and nothing more, which is what we actually know.

2D chemical structure of FOXO4-DRI — Built from the SMILES on this record — the atoms, bonds and stereochemistry are exact. The shape is **one computed low-energy pose**, not a measured structure: a flexible peptide in solution has no single conformation. The skeletal formula below claims connectivity and nothing more, which is what we actually know.

Molecular weight: 5358
Molecular formula: C228H388N86O64
CAS number: 2460055-10-9
PubChem CID: 167312269
InChI key: WVZCDZFJLXBWHG-XXZPGMBKSA-N
Sequence: LTLRKEPASEIAQSILEAYSQNGWANRRSGGKRPPPRRRQRRKKRG
SMILES: CC[C@@H](C)[C@H](C(=O)N[C@H](C)C(=O)N[C@H](CCC(=O)N)C(=O)N[C@H](CO)C(=O)N[C@H]([C@H](C)CC)C(=O)N[C@H](CC(C)C)C(=O)N[C@H](CCC(=O)O)C(=O)N[C@H](C)C(=O)N[C@H](CC1=CC=C(C=C1)O)C(=O)N[C@H](CO)C(=O)N[C@H](CCC(=O)N)C(=O)N[C@H](CC(=O)N)C(=O)NCC(=O)N[C@H](CC2=CNC3=CC=CC=C32)C(=O)N[C@H](C)C(=O)N[C@H](CC(=O)N)C(=O)N[C@H](CCCNC(=N)N)C(=O)N[C@H](CCCNC(=N)N)C(=O)N[C@H](CO)C(=O)NCC(=O)NCC(=O)N[C@H](CCCCN)C(=O)N[C@H](CCCNC(=N)N)C(=O)N4CCC[C@@H]4C(=O)N5CCC[C@@H]5C(=O)N6CCC[C@@H]6C(=O)N[C@H](CCCNC(=N)N)C(=O)N[C@H](CCCNC(=N)N)C(=O)N[C@H](CCCNC(=N)N)C(=O)N[C@H](CCC(=O)N)C(=O)N[C@H](CCCNC(=N)N)C(=O)N[C@H](CCCNC(=N)N)C(=O)N[C@H](CCCCN)C(=O)N[C@H](CCCCN)C(=O)N[C@H](CCCNC(=N)N)C(=O)NCC(=O)O)NC(=O)[C@@H](CCC(=O)O)NC(=O)[C@@H](CO)NC(=O)[C@@H](C)NC(=O)[C@H]7CCCN7C(=O)[C@@H](CCC(=O)O)NC(=O)[C@@H](CCCCN)NC(=O)[C@@H](CCCNC(=N)N)NC(=O)[C@@H](CC(C)C)NC(=O)[C@@H]([C@H](C)O)NC(=O)[C@@H](CC(C)C)N
InChI: InChI=1S/C228H388N86O64/c1-16-115(9)174(308-201(361)145(70-76-171(331)332)295-207(367)155(109-316)304-180(340)119(13)276-210(370)158-58-38-92-311(158)216(376)147(71-77-172(333)334)298-196(356)132(47-23-27-81-232)284-192(352)137(53-33-87-264-224(249)250)290-203(363)149(98-114(7)8)303-214(374)176(121(15)319)310-181(341)126(233)96-112(3)4)212(372)277-120(14)177(337)280-141(66-72-162(234)321)200(360)306-157(111-318)209(369)309-175(116(10)17-2)213(373)302-148(97-113(5)6)204(364)293-144(69-75-170(329)330)185(345)274-117(11)178(338)299-150(99-122-62-64-124(320)65-63-122)205(365)307-156(110-317)208(368)294-143(68-74-164(236)323)199(359)301-152(101-165(237)324)183(343)272-106-169(328)279-151(100-123-103-269-127-43-19-18-42-125(123)127)202(362)275-118(12)179(339)300-153(102-166(238)325)206(366)291-138(54-34-88-265-225(251)252)193(353)288-139(55-35-89-266-226(253)254)197(357)305-154(108-315)184(344)271-104-167(326)270-105-168(327)278-129(44-20-24-78-229)186(346)297-146(57-37-91-268-228(257)258)215(375)313-94-40-60-160(313)218(378)314-95-41-61-161(314)217(377)312-93-39-59-159(312)211(371)296-140(56-36-90-267-227(255)256)195(355)287-134(50-30-84-261-221(243)244)190(350)286-136(52-32-86-263-223(247)248)194(354)292-142(67-73-163(235)322)198(358)289-135(51-31-85-262-222(245)246)191(351)285-133(49-29-83-260-220(241)242)189(349)283-131(46-22-26-80-231)188(348)282-130(45-21-25-79-230)187(347)281-128(48-28-82-259-219(239)240)182(342)273-107-173(335)336/h18-19,42-43,62-65,103,112-121,126,128-161,174-176,269,315-320H,16-17,20-41,44-61,66-102,104-111,229-233H2,1-15H3,(H2,234,321)(H2,235,322)(H2,236,323)(H2,237,324)(H2,238,325)(H,270,326)(H,271,344)(H,272,343)(H,273,342)(H,274,345)(H,275,362)(H,276,370)(H,277,372)(H,278,327)(H,279,328)(H,280,337)(H,281,347)(H,282,348)(H,283,349)(H,284,352)(H,285,351)(H,286,350)(H,287,355)(H,288,353)(H,289,358)(H,290,363)(H,291,366)(H,292,354)(H,293,364)(H,294,368)(H,295,367)(H,296,371)(H,297,346)(H,298,356)(H,299,338)(H,300,339)(H,301,359)(H,302,373)(H,303,374)(H,304,340)(H,305,357)(H,306,360)(H,307,365)(H,308,361)(H,309,369)(H,310,341)(H,329,330)(H,331,332)(H,333,334)(H,335,336)(H4,239,240,259)(H4,241,242,260)(H4,243,244,261)(H4,245,246,262)(H4,247,248,263)(H4,249,250,264)(H4,251,252,265)(H4,253,254,266)(H4,255,256,267)(H4,257,258,268)/t115-,116-,117-,118-,119-,120-,121+,126-,128-,129-,130-,131-,132-,133-,134-,135-,136-,137-,138-,139-,140-,141-,142-,143-,144-,145-,146-,147-,148-,149-,150-,151-,152-,153-,154-,155-,156-,157-,158-,159-,160-,161-,174-,175-,176-/m1/s1

Classified as

Senolytic Activitymechanism: The definition is specific and checkable, because the claim is that cells were removed. That makes it easy to see when a record claims senolytic action but has only measured an inflammatory marker.
Subcutaneousroute: This is the route the reconstitution arithmetic assumes. Mass divided by diluent volume gives concentration, dose divided by concentration gives volume, and volume in mL multiplied by 100 gives units on a U-100 barrel: 5 mg in 2 mL is 2.5 mg/mL, and 0.25 mg comes out at 0.1 mL, which is 10 units.

Also called

FOXO4-DRI
FOXO4-DRI (Longevity)

Notes unverified prose

No human clinical trials; zero studies on ClinicalTrials.gov; animal studies use 5 mg/kg; No human clinical trials registered

Not on file 0

All 8 tracked fields hold a value on this record: molecular weight and formula, CAS number, PubChem CID, amino-acid sequence, SMILES, InChI and InChI key.

Counted from the record itself, not from what a source said it was missing. 136 of 185 records still have at least one empty.