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Trisomy 20p is a chromosomal disorder resulting from duplication of all or part of the short arm of chromosome 20. It is mostly characterized by normal growth, mild to moderate intellectual disability, speech delay, poor coordination and evocative facial features.
Biomarker and diagnostic research for trisomy 20p has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for trisomy 20p.
19 publications have been identified in PubMed for trisomy 20p. Research spans Review / Meta-Analysis (79%), Diagnostic / Biomarker (11%), and Case Report / Case Series (11%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 15 | 79% |
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 4:19 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
2 |
11% |
Patient case studies | 2 | 11% |
Li WX (2026). [PMID: 41856117](https://pubmed.ncbi.nlm.nih.gov/41856117/). *Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association*. [Review / Meta-Analysis]
Cretu OI (2026). [PMID: 41767502](https://pubmed.ncbi.nlm.nih.gov/41767502/). *Frontiers in medicine*. [Review / Meta-Analysis]
Al-Rayes S (2025). [PMID: 40143979](https://pubmed.ncbi.nlm.nih.gov/40143979/). *Gynecology and minimally invasive therapy*. [Review / Meta-Analysis]
Karen AA (2025). [PMID: 41472262](https://pubmed.ncbi.nlm.nih.gov/41472262/). *Viruses*. [Review / Meta-Analysis]
Cho S (2025). [PMID: 40005315](https://pubmed.ncbi.nlm.nih.gov/40005315/). *Medicina (Kaunas, Lithuania)*. [Review / Meta-Analysis]
Haririan A (2025). [PMID: 40279545](https://pubmed.ncbi.nlm.nih.gov/40279545/). *Transplantation*. [Diagnostic / Biomarker]
Ghorbanpour S (2025). [PMID: 40880702](https://pubmed.ncbi.nlm.nih.gov/40880702/). *Maedica*. [Review / Meta-Analysis]
Wu Z (2025). [PMID: 40346701](https://pubmed.ncbi.nlm.nih.gov/40346701/). *Systematic reviews*. [Review / Meta-Analysis]
Kang FW (2025). [PMID: 39956152](https://pubmed.ncbi.nlm.nih.gov/39956152/). *Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons*. [Review / Meta-Analysis]
Raharjo SB (2025). [PMID: 40831981](https://pubmed.ncbi.nlm.nih.gov/40831981/). *International journal of cardiology. Heart & vasculature*. [Review / Meta-Analysis]