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A rare deafness characterized by the association of bilateral sensorineural hearing loss and white hair with scattered black tufts, as well as skin areas of hyper- and hypopigmentation. Additional reported features include global developmental delay and moderate intellectual disability, growth retardation, microcephaly, hypotonia, mild dysmorphic facial features (deeply set eyes, broad nasal bridge, slight bowing of the upper lip), retinal depigmentation, anomalies of the fingers and toes, and white matter abnormalities on brain imaging.
Features include always present findings: Vitiligo, Mild intellectual disability, Inner ear hearing loss (sensorineural hearing impairment), and Spotty hyperpigmentation and others. 8 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Skin | 2 | Vitiligo, Spotty hyperpigmentation |
Biomarker and diagnostic research for ermine phenotype has been reported in the published literature.
Phenotype severity distribution: 7 always present features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for ermine phenotype.
12 publications have been identified in PubMed for ermine phenotype. Research spans Clinical Trial Publication (25%), Review / Meta-Analysis (17%), and Case Report / Case Series (17%).
Research Type | Count | % of Total |
|---|---|---|
Clinical study results | 3 | 25% |
Data assembled from 5 of 12 sources · Last updated Sep 17, 2026, 10:46 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
1 |
Mild intellectual disability |
Ears | 1 | Inner ear hearing loss (sensorineural hearing impairment) |
Age of onset: infancy.
2 |
17% |
Patient case studies | 2 | 17% |
Laboratory research | 2 | 17% |
Other research | 1 | 8% |
Testing and diagnosis research | 1 | 8% |
Disease patterns and progression | 1 | 8% |
Grasso M (2026). [PMID: 41851006](https://pubmed.ncbi.nlm.nih.gov/41851006/). *Movement disorders : official journal of the Movement Disorder Society*. [Basic Science / Preclinical]
Kim WH (2026). [PMID: 41850253](https://pubmed.ncbi.nlm.nih.gov/41850253/). *Psychiatry investigation*. [Clinical Trial Publication]
Nakaya Y (2025). [PMID: 41613154](https://pubmed.ncbi.nlm.nih.gov/41613154/). *Frontiers in rehabilitation sciences*. [Case Report / Case Series]
Yoshikawa R (2025). [PMID: 39897221](https://pubmed.ncbi.nlm.nih.gov/39897221/). *Cureus*. [Case Report / Case Series]
Yang J (2025). [PMID: 40431630](https://pubmed.ncbi.nlm.nih.gov/40431630/). *Viruses*. [Clinical Trial Publication]
Tüzün N (2025). [PMID: 40502694](https://pubmed.ncbi.nlm.nih.gov/40502694/). *iScience*. [Review / Meta-Analysis]
Yeo H (2025). [PMID: 40823396](https://pubmed.ncbi.nlm.nih.gov/40823396/). *Front Psychol*. [Other]
Kuppuswamy A (2025). [PMID: 39487999](https://pubmed.ncbi.nlm.nih.gov/39487999/). *The Journal of physiology*. [Review / Meta-Analysis]
Jeffay E (2025). [PMID: 40984644](https://pubmed.ncbi.nlm.nih.gov/40984644/). *Brain injury*. [Epidemiology / Natural History]
Ghawami H (2024). [PMID: 36369857](https://pubmed.ncbi.nlm.nih.gov/36369857/). *Applied neuropsychology. Adult*. [Diagnostic / Biomarker]