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Pure mitochondrial myopathy is a rare mitochondrial disease characterized by exclusive skeletal muscle involvement, without clinical evidence of other organ involvement, manifesting with progressive limb weakness, proximal limb muscle atrophy, and eye muscle anomalies (e.g. ocular motility restriction, ptosis). Patients may present with lactic acidosis, diffuse myalgia and overall fatigability (particularly during/after physical activities), dysphagia, and diminished deep tendon reflexes.
No clinical trials have been registered for pure mitochondrial myopathy.
2 publications have been identified in PubMed for pure mitochondrial myopathy. Research spans Review / Meta-Analysis (50%) and Basic Science / Preclinical (50%).
Aksu-Menges E (2025). [PMID: 39833026](https://pubmed.ncbi.nlm.nih.gov/39833026/). *J Cell Mol Med*. [Basic Science / Preclinical]
Peart L (2024). [PMID: 38700265](https://pubmed.ncbi.nlm.nih.gov/38700265/). *Balkan Med J*. [Review / Meta-Analysis]
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 11:54 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center