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Any primary ciliary dyskinesia in which the cause of the disease is a mutation in the RSPH9 gene.
Features include always present findings: Reduced sperm motility; and very common findings: Chronic rhinitis, Bronchiectasis, Decreased nasal nitric oxide, and Chronic sinusitis. 15 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Lungs and breathing | 5 | Bronchiectasis, Abnormal central microtubular pair morphology of respiratory motile cilia, Chronic pulmonary obstruction |
RSPH9 function has not been fully characterized.
Primary ciliary dyskinesia 12 is caused by mutations in the RSPH9 gene on chromosome 6.
Genetic testing for RSPH9 is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for primary ciliary dyskinesia 12 has been reported in the published literature.
Phenotype severity distribution: 1 always present feature, 4 very common features, 2 common features.
No clinical trials have been registered for primary ciliary dyskinesia 12.
104 publications have been identified in PubMed for primary ciliary dyskinesia 12. Kisho has analyzed 79 by research type. Research spans Epidemiology / Natural History (33%), Case Report / Case Series (19%), and Basic Science / Preclinical (18%).
Research Type | Count | % of Total |
|---|---|---|
Disease patterns and progression | 26 | 33% |
Data assembled from 6 of 12 sources · Last updated Sep 18, 2026, 11:08 PM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Brain and nerves |
2 |
Ciliary dyskinesia, Exercise intolerance |
Growth and development | 1 | Short stature |
Blood and immune system | 1 | Recurrent respiratory infections |
Ears | 1 | Chronic otitis media |
Pregnancy and birth | 1 | Neonatal respiratory distress |
Age of onset: newborn period.
Patient case studies |
15 |
19% |
Laboratory research | 14 | 18% |
Clinical study results | 11 | 14% |
Research summaries | 7 | 9% |
Testing and diagnosis research | 5 | 6% |
Other research | 1 | 1% |
Ito M (2026). [PMID: 41570615](https://pubmed.ncbi.nlm.nih.gov/41570615/). *Respir Investig*. [Epidemiology / Natural History]
Ostrowski LE (2026). [PMID: 41561107](https://pubmed.ncbi.nlm.nih.gov/41561107/). *ERJ Open Res*. [Basic Science / Preclinical]
Rosario-Ortiz G (2026). [PMID: 41972697](https://pubmed.ncbi.nlm.nih.gov/41972697/). *Cells*. [Epidemiology / Natural History]
Robson EA (2026). [PMID: 41561099](https://pubmed.ncbi.nlm.nih.gov/41561099/). *ERJ Open Res*. [Review / Meta-Analysis]
Wee WB (2026). [PMID: 41846691](https://pubmed.ncbi.nlm.nih.gov/41846691/). *ERJ Open Res*. [Diagnostic / Biomarker]
Nayir Buyuksahin H (2026). [PMID: 41999583](https://pubmed.ncbi.nlm.nih.gov/41999583/). *Pediatr Pulmonol*. [Clinical Trial Publication]
Thomas L (2026). [PMID: 42089308](https://pubmed.ncbi.nlm.nih.gov/42089308/). *Am J Respir Cell Mol Biol*. [Basic Science / Preclinical]
Bilgiç I (2026). [PMID: 41981340](https://pubmed.ncbi.nlm.nih.gov/41981340/). *Eur J Pediatr*. [Basic Science / Preclinical]
Kumar M (2026). [PMID: 42112810](https://pubmed.ncbi.nlm.nih.gov/42112810/). *Pediatr Pulmonol*. [Epidemiology / Natural History]
Khalil I (2026). [PMID: 41767071](https://pubmed.ncbi.nlm.nih.gov/41767071/). *Clin Case Rep*. [Case Report / Case Series]