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Hereditary inclusion body myopathy type 4 is a rare non-dystrophic myopathy characterized by slowly progressive muscular weakness and atrophy initially involving proximal lower limbs and hip girdle and later on shoulder girdle, proximal upper limbs and axial muscles. Ambulation is usually preserved. Congophilic inclusions with cytoplasmic inclusions of 15-21 nm filaments on electron microscopy are revealed in muscle biopsy.
Biomarker and diagnostic research for hereditary inclusion body myopathy type 4 has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for hereditary inclusion body myopathy type 4.
7 publications have been identified in PubMed for hereditary inclusion body myopathy type 4. Research spans Review / Meta-Analysis (29%), Basic Science / Preclinical (29%), and Epidemiology / Natural History (29%).
Boonsri P (2026). [PMID: 41575995](https://pubmed.ncbi.nlm.nih.gov/41575995/). *PloS one*. [Diagnostic / Biomarker]
Koles K (2026). [PMID: 41708000](https://pubmed.ncbi.nlm.nih.gov/41708000/). *The Journal of biological chemistry*. [Review / Meta-Analysis]
Kim DW (2026). [PMID: 41963465](https://pubmed.ncbi.nlm.nih.gov/41963465/). *Exp Mol Med*. [Basic Science / Preclinical]
Pugliese A (2025). [PMID: 40447857](https://pubmed.ncbi.nlm.nih.gov/40447857/). *Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology*. [Epidemiology / Natural History]
Pereira BL (2025). [PMID: 40054019](https://pubmed.ncbi.nlm.nih.gov/40054019/). *Molecular genetics and metabolism*. [Review / Meta-Analysis]
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 6:01 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Sharma S (2025). [PMID: 39707730](https://pubmed.ncbi.nlm.nih.gov/39707730/). *Cell biology international*. [Basic Science / Preclinical]
Alhammad RM (2024). [PMID: 39232665](https://pubmed.ncbi.nlm.nih.gov/39232665/). *BMC neurology*. [Epidemiology / Natural History]