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A Phase 3 Randomized, Placebo-Controlled Trial to Evaluate the Efficacy and Safety of Daily Subcutaneous Injections of Elamipretide in Subjects With Primary Mitochondrial Myopathy Followed by an Open-Label Treatment Extension

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Trial Profile

A Phase 3 Randomized, Placebo-Controlled Trial to Evaluate the Efficacy and Safety of Daily Subcutaneous Injections of Elamipretide in Subjects With Primary Mitochondrial Myopathy Followed by an Open-Label Treatment Extension

Status: Discontinued
Phase of Trial: Phase III

Latest Information Update: 17 Jul 2026

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At a glance

  • Drugs Elamipretide (Primary)
  • Indications Mitochondrial myopathies
  • Focus Registrational; Therapeutic Use
  • Acronyms MMPOWER-3
  • Sponsors Mighty Therapeutics

Most Recent Events

  • 16 Jun 2026 According to Stealth BioTherapeutics media release, Stealth BioTherapeutics is now called Mighty Therapeutics.
  • 02 Jun 2023 Results assessing Efficacy and Safety of Elamipretide in Individuals With Primary Mitochondrial Myopathy published in the Neurology
  • 18 May 2021 According to a Stealth BioTherapeutics media release, Company plans to initiate a new phase 3 trial by year end upon meeting with DRDMG during the third quarter of 2021in patients who appeared to respond to elamipretide therapy from this trial.

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