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| Attribute |  |
|---|---|
| Category | Longevity |
| Evidence grade | A Human trial evidence |
| Regulatory status | FDA-approved |
| Human amounts | FDA labelDosing reference Study durations |
| Format | Lyophilized vial |
| Type | Single compound |
| Molecular formula | C32H49N9O5 |
| Molecular weight | 639.8 g/mol |
| CAS number | 736992-21-5 |
| Sequence | D- |
| References | 9 |
| Summary | SS-31, also called elamipretide, is a mitochondria-targeted synthetic tetrapeptide. In September 2025 the FDA granted accelerated approval to its injectable form (FORZINITY) for Barth syndrome, based on an intermediate muscle-strength endpoint. Studies in other conditions have been reported, and the approval does not extend to them. |