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Jawad syndrome is a rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by congenital microcephaly with facial dysmorphism (sloping forehead, prominent nose, mild retrognathia), moderate to severe, non-progressive intellectual disability and symmetrical digital malformations of variable degree, including brachydactyly of the fifth fingers with single flexion crease, clinodactyly, syndactyly, polydactyly and hallux valgus. Congenital anonychia and white café au lait-like spots on the skin of hands and feet are also associated.
Features include always present findings: Sloping forehead, Primary microcephaly, Intellectual disability, and Anonychia. 15 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Arms and legs | 4 | Short middle phalanx of the 5th finger, 4-5 toe syndactyly, Absent fourth finger distal interphalangeal crease |
RBBP8 function has not been fully characterized.
Jawad syndrome is associated with mutations in the RBBP8 gene on chromosome 18.
Genetic testing for RBBP8 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 4 always present features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for Jawad syndrome.
13 publications have been identified in PubMed for Jawad syndrome. Research spans Case Report / Case Series (42%), Basic Science / Preclinical (33%), and Review / Meta-Analysis (25%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 5 | 42% |
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 1:55 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Common questions about Jawad syndrome
Brain and nerves
3 |
Global developmental delay, Aggressive behavior, Intellectual disability |
Head and neck | 1 | Primary microcephaly |
Bones and joints | 1 | Thoracic scoliosis |
Age of onset: at birth.
4 |
33% |
Research summaries | 3 | 25% |
Javier Mérida De la Torre F (2026). [PMID: 42195009](https://pubmed.ncbi.nlm.nih.gov/42195009/). *Genes (Basel)*. [Basic Science / Preclinical]
Arczewska KD (2026). [PMID: 41054930](https://pubmed.ncbi.nlm.nih.gov/41054930/). *Endocrine reviews*. [Review / Meta-Analysis]
Ou S (2026). [PMID: 41532374](https://pubmed.ncbi.nlm.nih.gov/41532374/). *Molecular genetics & genomic medicine*. [Case Report / Case Series]
Fiawoo D (2026). [PMID: 41756818](https://pubmed.ncbi.nlm.nih.gov/41756818/). *Case reports in hematology*. [Case Report / Case Series]
Ferroul F (2025). [PMID: 41005613](https://pubmed.ncbi.nlm.nih.gov/41005613/). *European journal of medical genetics*. [Basic Science / Preclinical]
Radhika B (2025). [PMID: 40799229](https://pubmed.ncbi.nlm.nih.gov/40799229/). *Contemporary clinical dentistry*. [Case Report / Case Series]
Aughey GN (2025). [PMID: 39692517](https://pubmed.ncbi.nlm.nih.gov/39692517/). *Brain : a journal of neurology*. [Basic Science / Preclinical]
Silva BSF (2025). [PMID: 39760192](https://pubmed.ncbi.nlm.nih.gov/39760192/). *Oral diseases*. [Review / Meta-Analysis]
Jogigowda SC (2024). [PMID: 39477447](https://pubmed.ncbi.nlm.nih.gov/39477447/). *BMJ case reports*. [Case Report / Case Series]
Gupta AR (2024). [PMID: 39246968](https://pubmed.ncbi.nlm.nih.gov/39246968/). *Cureus*. [Basic Science / Preclinical]