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A very rare disorder that appears after the first year and a half of life in previously healthy children. It is characterized by rapid-onset weight gain, hypothalamic dysfunction, breathing abnormalities, and autonomic system dysregulation. The hypothalamic dysfunction manifestations include inability to maintain normal water balance, high prolactin levels, low thyroid, low cortisol, and early or late puberty. The breathing abnormalities include sleep apnea and alveolar hypoventilation, requiring ventilation support. The autonomic system dysregulation includes eye abnormalities, intestinal abnormalities, temperature dysregulation, and low heart rhythm. This disorder requires early recognition because it may lead to cardiorespiratory arrest. Up to 40% of the patients develop tumors of neural crest origin.
Biomarker and diagnostic research for rapid-onset childhood obesity-hypothalamic dysfunction-hypoventilation-autonomic dysregulation syndrome has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
2 clinical trials registered, 2 recruiting. Interventions under study include other interventions and gene therapy. Research is primarily sponsored by academic and government institutions.
21 publications have been identified in PubMed for rapid-onset childhood obesity-hypothalamic dysfunction-hypoventilation-autonomic dysregulation syndrome. Research spans Review / Meta-Analysis (38%), Case Report / Case Series (33%), and Other (10%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 8 |
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 8:31 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Patient case studies | 7 | 33% |
Other research | 2 | 10% |
Testing and diagnosis research | 2 | 10% |
Clinical study results | 2 | 10% |
Grünewald A (2026). [PMID: 42114845](https://pubmed.ncbi.nlm.nih.gov/42114845/). *Pediatrics*. [Clinical Trial Publication]
Kostopoulou E (2026). [PMID: 41593286](https://pubmed.ncbi.nlm.nih.gov/41593286/). *Hormones (Athens)*. [Review / Meta-Analysis]
van Engelen N (2025). [PMID: 40775360](https://pubmed.ncbi.nlm.nih.gov/40775360/). *Orphanet J Rare Dis*. [Case Report / Case Series]
Zhang S (2025). [PMID: 41141676](https://pubmed.ncbi.nlm.nih.gov/41141676/). *Transl Pediatr*. [Case Report / Case Series]
Aziz M (2025). [PMID: 41118323](https://pubmed.ncbi.nlm.nih.gov/41118323/). *Horm Res Paediatr*. [Review / Meta-Analysis]
Wang Y (2025). [PMID: 41091101](https://pubmed.ncbi.nlm.nih.gov/41091101/). *Endocr Connect*. [Review / Meta-Analysis]
Doelman-Oldenburger NJ (2025). [PMID: 41251290](https://pubmed.ncbi.nlm.nih.gov/41251290/). *Endocr Connect*. [Diagnostic / Biomarker]
Soodhana D (2025). [PMID: 40416472](https://pubmed.ncbi.nlm.nih.gov/40416472/). *J ASEAN Fed Endocr Soc*. [Case Report / Case Series]
Fukushi I (2025). [PMID: 39864940](https://pubmed.ncbi.nlm.nih.gov/39864940/). *Vitam Horm*. [Review / Meta-Analysis]
Bonnet JB (2025). [PMID: 39340692](https://pubmed.ncbi.nlm.nih.gov/39340692/). *Clin Auton Res*. [Other]