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Any osteogenesis imperfecta in which the cause of the disease is a mutation in the SP7 gene.
Features include always present findings: Delayed eruption of teeth, Short stature, Narrow mouth, and Generalized osteoporosis and others; and sometimes findings: Abnormal cardiovascular system morphology. 28 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Bones and joints | 8 | Generalized osteoporosis, Weak and brittle bones (osteoporosis), Recurrent fractures |
SP7 function has not been fully characterized.
Osteogenesis imperfecta type 12 is associated with mutations in the SP7 gene on chromosome 12.
Genetic testing for SP7 is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for osteogenesis imperfecta type 12 has been reported in the published literature.
Phenotype severity distribution: 22 always present features.
No clinical trials have been registered for osteogenesis imperfecta type 12.
65 publications have been identified in PubMed for osteogenesis imperfecta type 12. Research spans Basic Science / Preclinical (31%), Clinical Trial Publication (22%), and Case Report / Case Series (17%).
Research Type | Count | % of Total |
|---|---|---|
Laboratory research | 20 | 31% |
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 6:43 AM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Head and neck |
2 |
High palate, Facial asymmetry |
Ears | 1 | Hearing loss (hearing impairment) |
Growth and development | 1 | Short stature |
Arms and legs | 1 | Hyperextensibility of the finger joints |
Brain and nerves | 1 | Depressed nasal bridge |
Age of onset: infancy.
Clinical study results
14 |
22% |
Patient case studies | 11 | 17% |
Disease patterns and progression | 10 | 15% |
Research summaries | 6 | 9% |
Testing and diagnosis research | 2 | 3% |
Other research | 1 | 2% |
New treatment approaches | 1 | 2% |
Hasegawa ME (2026). [PMID: 42245243](https://pubmed.ncbi.nlm.nih.gov/42245243/). *Hawaii J Health Soc Welf*. [Case Report / Case Series]
Tangadulrat P (2026). [PMID: 41879142](https://pubmed.ncbi.nlm.nih.gov/41879142/). *J Pediatr Orthop*. [Epidemiology / Natural History]
Takada S (2026). [PMID: 41954840](https://pubmed.ncbi.nlm.nih.gov/41954840/). *Spine Deform*. [Clinical Trial Publication]
Dossanov B (2026). [PMID: 42047125](https://pubmed.ncbi.nlm.nih.gov/42047125/). *Clin Ter*. [Clinical Trial Publication]
Teh HW (2026). [PMID: 42059894](https://pubmed.ncbi.nlm.nih.gov/42059894/). *Osteoporos Int*. [Case Report / Case Series]
Oliveira D (2026). [PMID: 41616895](https://pubmed.ncbi.nlm.nih.gov/41616895/). *Bone*. [Review / Meta-Analysis]
Nguyen CV (2026). [PMID: 41568560](https://pubmed.ncbi.nlm.nih.gov/41568560/). *J Pediatr Orthop*. [Clinical Trial Publication]
Lu VM (2026). [PMID: 41526788](https://pubmed.ncbi.nlm.nih.gov/41526788/). *Spine Deform*. [Review / Meta-Analysis]
Supari N (2026). [PMID: 41667232](https://pubmed.ncbi.nlm.nih.gov/41667232/). *J Med Genet*. [Diagnostic / Biomarker]
Elbaseet HM (2025). [PMID: 38987031](https://pubmed.ncbi.nlm.nih.gov/38987031/). *Orthop Traumatol Surg Res*. [Clinical Trial Publication]