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
A rare genetic skeletal disorder characterized clinically by abnormal chondro-skeletal development, disproportionate short stature and skeletal deformation mainly affecting the knees, hips, ankles and elbows with onset generally in late childhood or adolescence.
Features include always present findings: Accelerated skeletal maturation; and very common findings: Short stature. 15 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Bones and joints | 5 | Premature osteoarthritis, Osteochondritis dissecans, Excessive inward curve of the lower back (lumbar hyperlordosis) |
ACAN encodes aggrecan (2,530 aa). This proteoglycan is a major component of extracellular matrix of cartilagenous tissues. A major function of this protein is to resist compression in cartilage. Highest expression in Artery Tibial (34.4 TPM) and Artery Aorta (21.7 TPM).
Short stature and advanced bone age, with or without early-onset osteoarthritis and/or osteochondritis dissecans is associated with mutations in the ACAN gene on chromosome 15.
ACAN is classified as a druggable target (Druggable Genome category) with score 0.0.
74 pathogenic variants reported in ACAN in ClinVar.
Genetic testing for ACAN is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for short stature and advanced bone age, with or without early-onset osteoarthritis and/or osteochondritis dissecans has been reported in the published literature.
Phenotype severity distribution: 1 always present feature, 1 very common feature, 5 common features.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for short stature and advanced bone age, with or without early-onset osteoarthritis and/or osteochondritis dissecans.
204 publications have been identified in PubMed for short stature and advanced bone age, with or without early-onset osteoarthritis and/or osteochondritis dissecans. Kisho has analyzed 134 by research type. Research spans Review / Meta-Analysis (46%), Clinical Trial Publication (16%), and Epidemiology / Natural History (13%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 61 |
Data assembled from 7 of 12 sources · Last updated Sep 20, 2026, 6:25 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Brain and nerves
2 |
Depressed nasal bridge, Waddling gait |
Growth and development | 1 | Short stature |
Head and neck | 1 | Mandibular prognathia |
46%
Clinical study results | 21 | 16% |
Disease patterns and progression | 18 | 13% |
Testing and diagnosis research | 12 | 9% |
Laboratory research | 12 | 9% |
Patient case studies | 10 | 7% |
Haislup BD (2026). [PMID: 41649841](https://pubmed.ncbi.nlm.nih.gov/41649841/). *The Journal of the American Academy of Orthopaedic Surgeons*. [Review / Meta-Analysis]
Özdemir E (2026). [PMID: 41796387](https://pubmed.ncbi.nlm.nih.gov/41796387/). *J Orthop Surg Res*. [Diagnostic / Biomarker]
Ma X (2026). [PMID: 40948117](https://pubmed.ncbi.nlm.nih.gov/40948117/). *Arthritis & rheumatology (Hoboken, N.J.)*. [Basic Science / Preclinical]
Rosenberg SI (2026). [PMID: 42249258](https://pubmed.ncbi.nlm.nih.gov/42249258/). *Curr Rev Musculoskelet Med*. [Review / Meta-Analysis]
Nevins C (2026). [PMID: 41884616](https://pubmed.ncbi.nlm.nih.gov/41884616/). *Video J Sports Med*. [Clinical Trial Publication]
Goldstein S (2026). [PMID: 42209059](https://pubmed.ncbi.nlm.nih.gov/42209059/). *Clin Sports Med*. [Review / Meta-Analysis]
Chen Y (2026). [PMID: 42255433](https://pubmed.ncbi.nlm.nih.gov/42255433/). *Front Endocrinol (Lausanne)*. [Review / Meta-Analysis]
Tramer JS (2026). [PMID: 42138432](https://pubmed.ncbi.nlm.nih.gov/42138432/). *J Am Acad Orthop Surg*. [Review / Meta-Analysis]
Dang J (2026). [PMID: 41371105](https://pubmed.ncbi.nlm.nih.gov/41371105/). *Ecotoxicol Environ Saf*. [Basic Science / Preclinical]
Gürlek E (2026). [PMID: 41908539](https://pubmed.ncbi.nlm.nih.gov/41908539/). *Frontiers in pediatrics*. [Epidemiology / Natural History]