Costello syndrome (CS) is a rare multisystemic disorder characterized by failure to thrive, short stature, developmental delay or intellectual disability, joint laxity, soft skin, and distinctive faci...
Comprehensive, easy-to-understand information about this condition
How we create this content →Patient Advocacy Groups (PAGs) provide support, resources, and community for patients and caregivers.
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Patient Advocacy Groups (PAGs) provide support, resources, and community for patients and caregivers.
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Connect with organizations supporting the Costello syndrome community
Helpful links for rare disease information and support
Questions that may be helpful when speaking with your healthcare team
Inheritance patterns describe how genetic conditions are passed from parents to children.
Research studies investigating treatments and therapies for this condition.
Active Trials
Total Trials
Data from ClinicalTrials.gov Feb 8, 2026
Patient Advocacy Groups (PAGs) provide support, resources, and community for patients and caregivers.
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
2 peer-reviewed sources from PubMed
AI-Generated Content: This summary was generated using AI. Always consult with qualified healthcare providers for medical guidance.
Kisho delivers this disease record via API, including phenotypes (HPO), genes, orphan drug designations, screening status, and PAG mapping, with version history and governance.