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This syndrome is characterized by microcephaly, severe intellectual deficit, phalangeal anomalies (cutaneous syndactyly of the fingers, toe brachyclinodactyly and nail hypoplasia) and neurological manifestations (epilepsy, spastic/dystonic paraplegia and brisk reflexes).
Features include always present findings: Limited elbow extension, Hypoplastic fifth toenail, Global developmental delay, and Lingual dystonia and others; and common findings: 3-4 finger cutaneous syndactyly, Thin vermilion border, Wide nasal bridge, and Frontal hirsutism and others. 17 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 5 | Global developmental delay, Lingual dystonia, Spastic paraplegia |
Biomarker and diagnostic research for microcephaly-intellectual disability-phalangeal and neurological anomalies syndrome has been reported in the published literature.
Phenotype severity distribution: 7 always present features, 9 common features.
No clinical trials have been registered for microcephaly-intellectual disability-phalangeal and neurological anomalies syndrome.
142 publications have been identified in PubMed for microcephaly-intellectual disability-phalangeal and neurological anomalies syndrome. Research spans Review / Meta-Analysis (65%), Basic Science / Preclinical (14%), and Other (6%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 92 | 65% |
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 11:34 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Arms and legs | 2 | 3-4 finger cutaneous syndactyly, Hypoplastic fifth toenail |
Heart and blood vessels | 1 | Ventricular septal defect |
Eyes | 1 | Damage to the optic nerve (optic atrophy) |
Muscles | 1 | Damage to the optic nerve (optic atrophy) |
Skin | 1 | Broad nail |
Laboratory research |
20 |
14% |
Other research | 9 | 6% |
Patient case studies | 9 | 6% |
Disease patterns and progression | 9 | 6% |
Testing and diagnosis research | 2 | 1% |
Clinical study results | 1 | 1% |
Lee S (2026). [PMID: 41206258](https://pubmed.ncbi.nlm.nih.gov/41206258/). *Am J Geriatr Psychiatry*. [Review / Meta-Analysis]
Anderson EN (2026). [PMID: 41468891](https://pubmed.ncbi.nlm.nih.gov/41468891/). *Am J Hum Genet*. [Case Report / Case Series]
Ferri C (2026). [PMID: 41798958](https://pubmed.ncbi.nlm.nih.gov/41798958/). *Front Immunol*. [Review / Meta-Analysis]
Buel KL (2026). [PMID: 41569909](https://pubmed.ncbi.nlm.nih.gov/41569909/). *FP Essent*. [Review / Meta-Analysis]
Papazachariou A (2026). [PMID: 41128447](https://pubmed.ncbi.nlm.nih.gov/41128447/). *Curr Opin Clin Nutr Metab Care*. [Review / Meta-Analysis]
Amado C (2026). [PMID: 40975490](https://pubmed.ncbi.nlm.nih.gov/40975490/). *Ann Allergy Asthma Immunol*. [Review / Meta-Analysis]
Biglari S (2025). [PMID: 40101970](https://pubmed.ncbi.nlm.nih.gov/40101970/). *J Med Genet*. [Basic Science / Preclinical]
Cornejo-Sanchez DM (2025). [PMID: 40055553](https://pubmed.ncbi.nlm.nih.gov/40055553/). *Eur J Hum Genet*. [Basic Science / Preclinical]
Koriath CAM (2025). [PMID: 39443079](https://pubmed.ncbi.nlm.nih.gov/39443079/). *J Neurol Neurosurg Psychiatry*. [Review / Meta-Analysis]
Dotan A (2025). [PMID: 39931017](https://pubmed.ncbi.nlm.nih.gov/39931017/). *Harefuah*. [Review / Meta-Analysis]