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
Any congenital vitamin K-dependent coagulation factors combined deficiency in which the cause of the disease is a mutation in the VKORC1 gene.
Features include: Abnormal bleeding tendency (abnormal bleeding), Reduced factor IX activity, Reduced factor X activity, and Reduced factor VII activity and 1 more.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Blood and immune system | 1 | Abnormal bleeding tendency (abnormal bleeding) |
VKORC1 function has not been fully characterized.
Vitamin K-dependent clotting factors, combined deficiency of, type 2 has been associated with mutations in the VKORC1 gene on chromosome 16.
Genetic testing for VKORC1 is available. Testing is considered supportive for diagnosis.
Biomarker and diagnostic research for vitamin K-dependent clotting factors, combined deficiency of, type 2 has been reported in the published literature.
No clinical trials have been registered for vitamin K-dependent clotting factors, combined deficiency of, type 2.
8 publications have been identified in PubMed for vitamin K-dependent clotting factors, combined deficiency of, type 2. Research spans Review / Meta-Analysis (63%), Diagnostic / Biomarker (13%), and Case Report / Case Series (13%).
Eden RE (2026). [PMID: 30725668](https://pubmed.ncbi.nlm.nih.gov/30725668/). *Unknown Journal*. [Review / Meta-Analysis]
Raharimanana A (2025). [PMID: 40541254](https://pubmed.ncbi.nlm.nih.gov/40541254/). *Hamostaseologie*. [Review / Meta-Analysis]
Terzi Ö (2025). [PMID: 39715304](https://pubmed.ncbi.nlm.nih.gov/39715304/). *J Pediatr Hematol Oncol*. [Epidemiology / Natural History]
Tourbih H (2025). [PMID: 40747195](https://pubmed.ncbi.nlm.nih.gov/40747195/). *Cureus*. [Review / Meta-Analysis]
Alhamadeh Alswij M (2025). [PMID: 41377787](https://pubmed.ncbi.nlm.nih.gov/41377787/). *Eur J Case Rep Intern Med*. [Case Report / Case Series]
Data assembled from 6 of 12 sources · Last updated Sep 20, 2026, 4:39 PM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Dorgalaleh A (2025). [PMID: 39496303](https://pubmed.ncbi.nlm.nih.gov/39496303/). *Semin Thromb Hemost*. [Review / Meta-Analysis]
Mehr NA (2024). [PMID: 38741421](https://pubmed.ncbi.nlm.nih.gov/38741421/). *Am J Clin Pathol*. [Diagnostic / Biomarker]
Sadler RA (2024). [PMID: 39057059](https://pubmed.ncbi.nlm.nih.gov/39057059/). *Curr Issues Mol Biol*. [Review / Meta-Analysis]