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Neonatal Marfan syndrome is a rare, severe and life-threatening genetic disease, occurring during the neonatal period, characterized by classical Marfan syndrome manifestations in addition to facial dysmorphism (megalocornea, iridodonesis, ectopia lentis, crumpled ears, loose redundant skin giving a 'senile' facial appearance), flexion joint contractures, pulmonary emphysema, and a severe, rapidly progressive cardiovascular disease (including ascending aortic dilatation and severe mitral and/or tricuspid valve insufficiency). Additionally, skeletal manifestations (arachnodactyly, dolichostenomelia, pectus deformities) are also associated.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for neonatal Marfan syndrome.
6 publications have been identified in PubMed for neonatal Marfan syndrome. Research spans Case Report / Case Series (50%), Review / Meta-Analysis (33%), and Epidemiology / Natural History (17%).
Richard C (2026). [PMID: 41419415](https://pubmed.ncbi.nlm.nih.gov/41419415/). *Journal francais d'ophtalmologie*. [Case Report / Case Series]
van der Leest EC (2025). [PMID: 40065510](https://pubmed.ncbi.nlm.nih.gov/40065510/). *Clinical genetics*. [Case Report / Case Series]
Chang FC (2025). [PMID: 41475970](https://pubmed.ncbi.nlm.nih.gov/41475970/). *Heart (British Cardiac Society)*. [Epidemiology / Natural History]
Pugnaloni F (2024). [PMID: 39294662](https://pubmed.ncbi.nlm.nih.gov/39294662/). *Italian journal of pediatrics*. [Review / Meta-Analysis]
Zodanu GKE (2024). [PMID: 38791509](https://pubmed.ncbi.nlm.nih.gov/38791509/). *International journal of molecular sciences*. [Case Report / Case Series]
Data assembled from 3 of 12 sources · Last updated Sep 18, 2026, 9:42 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Maya-González C (2024). [PMID: 38990105](https://pubmed.ncbi.nlm.nih.gov/38990105/). *American journal of medical genetics. Part A*. [Review / Meta-Analysis]
AI-curated news mentioning neonatal Marfan syndrome
Updated Sep 10, 2026
Recent research highlights novel corneal neural features associated with FBN1-related Marfan syndrome. These findings could enhance understanding of the disease's impact on ocular health.
Romain Alderweireldt has launched the GEMS-App, a patient-led platform designed to enhance participation in genomic research for Marfan syndrome. This initiative aims to empower patients and families by facilitating remote engagement in research efforts.
Stacey Watson, representing the Marfan Foundation, participated in a Congressional briefing for Rare Disease Day 2026, advocating for healthcare support for individuals with rare diseases. The event, hosted by NORD, emphasized the importance of patient advocacy in driving innovation.
A personalized home-based exercise training program significantly enhances aerobic exercise capacity and health-related quality of life in children with Marfan and Loeys-Dietz syndromes. This study highlights the potential of tailored interventions in managing these rare conditions.