Free webinarIntroduction to Peptides with Mitch O’Callaghan · Thursday 1 October · 7pm UK timeSave your place
HPRHuman Peptide Research

SS-31

A mitochondria-targeted tetrapeptide with several human trials; FDA-approved only for Barth syndrome, after most other trials missed their main goals.

Also known as
Elamipretide, Forzinity, MTP-131, Bendavia
Area
Longevity
Status
US: FDA accelerated approval for Barth syndrome only (Sept 2025); not approved otherwise

Articles on SS-31

LongevityHuman RCT

SS-31 (elamipretide): what a decade of human trials found

Elamipretide is now an FDA-approved drug for one ultra-rare disease, on the strength of 12 patients. Its large trials in commoner conditions mostly missed their main goals.

HPR Editorial · 22 Aug 2026 · 8 min read