| Active, not recruiting | 3 | 102 | Europe, US, RoW | Elamipretide, MTP-131, Placebo | Stealth BioTherapeutics Inc. | Mitochondrial Myopathies, Mitochondrial Pathology, Mitochondrial DNA Mutation, Mitochondrial Diseases, Mitochondrial DNA Deletion, Mitochondrial DNA Depletion, Mitochondrial Metabolism Defect, Mitochondrial Complex I Deficiency | 09/24 | 10/24 | | |