Kisho is an information platform, not a medical provider. Nothing on this site constitutes medical advice, diagnosis, or treatment recommendations. All content is aggregated from publicly available sources (including ClinicalTrials.gov, PubMed, FDA.gov, and Orphanet) and is provided for informational purposes only. Clinical trial eligibility, treatment decisions, and any health-related actions should always be discussed with a qualified healthcare professional. Kisho does not endorse any specific therapy, organization, or clinical trial. Terms of use · Privacy policy
X-linked intellectual disability, Pai type is characterized by the association of dysmorphism with intellectual deficit. It has been described in four generations of one family. Premature death was reported in the affected males. Transmission is X-linked recessive and the causative gene has been localized to the q28 region of the X chromosome.
Features include very common findings: Seizure, Global developmental delay, Recurrent respiratory infections, and Severe intellectual disability; and common findings: Delayed speech and language development and Intrauterine growth retardation. 18 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 6 | Delayed speech and language development, Seizure, Global developmental delay |
Phenotype severity distribution: 4 very common features, 2 common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for X-linked intellectual disability, Pai type.
3 publications have been identified in PubMed for X-linked intellectual disability, Pai type. Research spans Review / Meta-Analysis (33%), Clinical Trial Publication (33%), and Basic Science / Preclinical (33%).
El-Sayed S (2025). [PMID: 39671051](https://pubmed.ncbi.nlm.nih.gov/39671051/). *Odontology*. [Review / Meta-Analysis]
Snoek AC (2025). [PMID: 40015252](https://pubmed.ncbi.nlm.nih.gov/40015252/). *Psychother Psychosom*. [Clinical Trial Publication]
Liu K (2024). [PMID: 39695153](https://pubmed.ncbi.nlm.nih.gov/39695153/). *Cell Death Dis*. [Basic Science / Preclinical]
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 5:49 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Common questions about X-linked intellectual disability, Pai type
Arms and legs | 1 | Tapered finger |
Growth and development | 1 | Intrauterine growth retardation |
Lungs and breathing | 1 | Recurrent respiratory infections |
Blood and immune system | 1 | Recurrent respiratory infections |
Bones and joints | 1 | Delayed skeletal maturation |