Description
SS-31 (elamipretide) targets cardiolipin-associated mitochondrial function. Clinical outcomes have varied by indication, with regulatory progress in Barth syndrome.
What it is
SS-31 (elamipretide) is a mitochondria-targeted tetrapeptide investigated for cardiolipin-associated bioenergetic stabilization across multiple indications.
Mechanism snapshot
- Designed to interact with cardiolipin in the inner mitochondrial membrane.
- Investigated for effects on respiratory efficiency and oxidative stress signaling.
- Explored in mitochondrial disease and related functional endpoints.
Research programs
- Primary mitochondrial disease and rare-disease programs.
- Indication-specific efficacy and safety differentiation studies.
- Longitudinal function and quality-of-life outcome assessment.
Limitations
- Positive outcomes are indication-specific.
- Mixed trial results across different disease contexts.
- Broader generalization beyond specific approvals is inappropriate.
Selected references
- Efficacy and Safety of Elamipretide in Individuals With Primary Mitochondrial Myopathy: The MMPOWER-3 Randomized Clinical Trial - PubMed 2023
- Elamipretide: The first cardiolipin-directed mitochondrial therapeutic for Barth syndrome approved under accelerated approval - PubMed 2026
- FDA Federal Register Entry (ELAMIPRETIDE / FORZIVITY) - Federal Register 2025
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