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Permanent neonatal diabetes mellitus-pancreatic and cerebellar agenesis syndrome is characterized by neonatal diabetes mellitus associated with cerebellar and/or pancreatic agenesis.
Features include always present findings: Flexion contracture, Hyperglycemia, Cerebellar agenesis, and Pancreatic aplasia and others; and sometimes findings: Secundum atrial septal defect, Overlapping fingers, and Pectus carinatum. 27 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 2 | Seizure, Hyporeflexia |
PTF1A function has not been fully characterized.
Permanent neonatal diabetes mellitus-pancreatic and cerebellar agenesis syndrome is associated with mutations in the PTF1A gene on chromosome 10.
Genetic testing for PTF1A is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 8 always present features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for permanent neonatal diabetes mellitus-pancreatic and cerebellar agenesis syndrome.
3 publications have been identified in PubMed for permanent neonatal diabetes mellitus-pancreatic and cerebellar agenesis syndrome. Research spans Review / Meta-Analysis (67%) and Case Report / Case Series (33%).
Gobble MRS (2025). [PMID: 40128490](https://pubmed.ncbi.nlm.nih.gov/40128490/). *Curr Diab Rep*. [Review / Meta-Analysis]
Paksaz M (2025). [PMID: 40443916](https://pubmed.ncbi.nlm.nih.gov/40443916/). *Int J Endocrinol Metab*. [Case Report / Case Series]
Barbetti F (2024). [PMID: 39344692](https://pubmed.ncbi.nlm.nih.gov/39344692/). *J Diabetes Investig*. [Review / Meta-Analysis]
Data assembled from 6 of 12 sources · Last updated Sep 20, 2026, 8:58 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Growth and development |
2 |
Failure to thrive, Severe intrauterine growth retardation |
Digestive system | 2 | Pancreatic aplasia, Pancreatic hypoplasia |
Head and neck | 2 | Microcephaly, Triangular face |
Muscles | 1 | Flexion contracture |
Hormones | 1 | Diabetes mellitus |
Blood and immune system | 1 | Low red blood cell count (anemia) |
Heart and blood vessels | 1 | Secundum atrial septal defect |
Bones and joints | 1 | Joint stiffness |
Arms and legs | 1 | Overlapping fingers |
Eyes | 1 | Optic nerve hypoplasia |
Skin | 1 | Reduced subcutaneous adipose tissue |
Lungs and breathing | 1 | Apnea |