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Features include: Episodic pain.
TRPA1 function has not been fully characterized.
Familial episodic pain syndrome with predominantly upper body involvement is associated with mutations in the TRPA1 gene on chromosome 8.
Genetic testing for TRPA1 is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for familial episodic pain syndrome with predominantly upper body involvement has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for familial episodic pain syndrome with predominantly upper body involvement.
35 publications have been identified in PubMed for familial episodic pain syndrome with predominantly upper body involvement. Research spans Case Report / Case Series (47%), Review / Meta-Analysis (18%), and Epidemiology / Natural History (15%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 16 | 47% |
Data assembled from 6 of 12 sources · Last updated Sep 20, 2026, 10:26 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Research summaries |
6 |
18% |
Disease patterns and progression | 5 | 15% |
Testing and diagnosis research | 3 | 9% |
Clinical study results | 3 | 9% |
Laboratory research | 1 | 3% |
Xiong LY (2026). [PMID: 41674423](https://pubmed.ncbi.nlm.nih.gov/41674423/). *Zhonghua Er Ke Za Zhi*. [Clinical Trial Publication]
Unknown (2026). [PMID: 42160649](https://pubmed.ncbi.nlm.nih.gov/42160649/). *Unknown Journal*. [Review / Meta-Analysis]
Nishimura N (2026). [PMID: 41786633](https://pubmed.ncbi.nlm.nih.gov/41786633/). *Mod Rheumatol Case Rep*. [Case Report / Case Series]
Dai Q (2026). [PMID: 41927091](https://pubmed.ncbi.nlm.nih.gov/41927091/). *Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi*. [Epidemiology / Natural History]
Urbano Ferreira H (2026). [PMID: 41734449](https://pubmed.ncbi.nlm.nih.gov/41734449/). *Endocrinol Diabetes Metab Case Rep*. [Case Report / Case Series]
Das M (2026). [PMID: 41651562](https://pubmed.ncbi.nlm.nih.gov/41651562/). *Open Heart*. [Epidemiology / Natural History]
Chang C (2026). [PMID: 41416447](https://pubmed.ncbi.nlm.nih.gov/41416447/). *Int J Mol Med*. [Review / Meta-Analysis]
Musayeva G (2026). [PMID: 41857576](https://pubmed.ncbi.nlm.nih.gov/41857576/). *Orphanet J Rare Dis*. [Diagnostic / Biomarker]
Loomba R (2026). [PMID: 41923352](https://pubmed.ncbi.nlm.nih.gov/41923352/). *Aliment Pharmacol Ther*. [Clinical Trial Publication]
Rogalidou M (2026). [PMID: 41562818](https://pubmed.ncbi.nlm.nih.gov/41562818/). *Reports (MDPI)*. [Case Report / Case Series]