SS-31

SS-31 is a mitochondria-targeting peptide that aims to enhance cellular energy production and reduce oxidative stress, offering potential benefits in regenerative medicine.

Not FDA Approved Emerging Research
Reviewed by Peptide Treatments Medical Advisory Board (Medical Advisory Board) 1 min read

SS-31: At a Glance

SS-31 works by selectively targeting mitochondria to stabilize cardiolipin, improving mitochondrial function and reducing oxidative damage.

  • Enhances mitochondrial function
  • Reduces oxidative stress
  • Mild gastrointestinal discomfort
Not FDA Approved Emerging Research

What is SS-31?

SS-31, also known as elamipretide, is a synthetic peptide designed to target mitochondria, the powerhouse of the cells. By improving mitochondrial function, SS-31 aims to enhance energy production and reduce cellular oxidative stress, which are crucial in maintaining cell health and combating various age-related and degenerative conditions. This peptide has attracted attention in the field of regenerative medicine for its potential to support cellular repair and rejuvenation.

Mechanism of Action

SS-31 exerts its effects by selectively binding to cardiolipin, a unique phospholipid located in the inner mitochondrial membrane. This interaction stabilizes the mitochondrial membrane and facilitates efficient electron transport, thereby enhancing ATP production and reducing the leakage of electrons that lead to the formation of reactive oxygen species (ROS). By mitigating oxidative stress and preserving mitochondrial integrity, SS-31 supports overall cellular health and function.

Clinical Applications

The primary application of SS-31 is in conditions associated with mitochondrial dysfunction, where it may help restore cellular energy balance and reduce oxidative damage. Research is ongoing to explore its potential benefits in various medical contexts, including:

  • Age-related diseases: SS-31 is being studied for its ability to mitigate symptoms and slow progression in disorders like Alzheimer’s and Parkinson’s disease.
  • Cardiovascular health: By enhancing mitochondrial efficiency, SS-31 may improve outcomes in ischemic heart diseases and heart failure.
  • Musculoskeletal disorders: Its regenerative properties hold promise for conditions like muscular dystrophy and age-related muscle loss.

Safety & Side Effects

SS-31 has demonstrated a favorable safety profile in clinical studies, with most adverse effects being mild and transient. The most commonly reported side effect is mild gastrointestinal discomfort, which typically resolves without intervention. As with any therapeutic agent, ongoing research is essential to fully elucidate its long-term safety and efficacy in larger and more diverse patient populations.

Related Conditions

References

  1. 1

    Elamipretide: A Review of Its Structure, Mechanism of Action, and Therapeutic Potential.

    International journal of molecular sciences 2025 review
  2. 2

    The Mitochondria-Targeted Peptide Therapeutic Elamipretide Improves Cardiac and Skeletal Muscle Function During Aging Without Detectable Changes in Tissue Epigenetic or Transcriptomic Age.

    Aging cell 2025 study
  3. 3

    Genotype-specific effects of elamipretide in patients with primary mitochondrial myopathy: a post hoc analysis of the MMPOWER-3 trial.

    Orphanet journal of rare diseases 2024 clinical trial
  4. 4

    Long-term efficacy and safety of elamipretide in patients with Barth syndrome: 168-week open-label extension results of TAZPOWER.

    Genetics in medicine : official journal of the American College of Medical Genetics 2024 study
  5. 5

    Comprehensive dry eye therapy: overcoming ocular surface barrier and combating inflammation, oxidation, and mitochondrial damage.

    Journal of nanobiotechnology 2024 study
  6. 6

    The mitochondrial-targeted peptide therapeutic elamipretide improves cardiac and skeletal muscle function during aging without detectable changes in tissue epigenetic or transcriptomic age.

    bioRxiv : the preprint server for biology 2024 study
  7. 7

    New insight for SS‑31 in treating diabetic cardiomyopathy: Activation of mitoGPX4 and alleviation of mitochondria‑dependent ferroptosis.

    International journal of molecular medicine 2024 study
  8. 8

    Efficacy and Safety of Elamipretide in Individuals With Primary Mitochondrial Myopathy: The MMPOWER-3 Randomized Clinical Trial.

    Neurology 2023 clinical trial
  9. 9

    SS-31 alleviated nociceptive responses and restored mitochondrial function in a headache mouse model via Sirt3/Pgc-1α positive feedback loop.

    The journal of headache and pain 2023 study
  10. 10

    Elamipretide(SS-31) Attenuates Idiopathic Pulmonary Fibrosis by Inhibiting the Nrf2-Dependent NLRP3 Inflammasome in Macrophages.

    Antioxidants (Basel, Switzerland) 2023 study

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