Growth hormone treatment in cartilage-hair hypoplasia: effects on growth and the immune system
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Published on: December 3, 2016
G Bocca1, C M Weemaes, I van der Burgt
1Department of Pediatrics, University Medical Center St Radboud, Nijmegen, The Netherlands.
Insights
Growth hormone treatment offers no long-term benefits for children with Cartilage-hair hypoplasia (CHH), a rare genetic disorder. While temporary growth improvements occur, final height and immune function remain unaffected.
Area of Science:
- Pediatric Endocrinology
- Immunology
- Genetics
Background:
- Cartilage-hair hypoplasia (CHH) is a rare autosomal recessive disorder.
- CHH is characterized by metaphyseal chondrodysplasia, severe growth retardation, and impaired immunity.
Purpose of the Study:
- To investigate the effects of growth hormone (GH) treatment on growth parameters and immune system function in children with CHH.
Main Methods:
- Study included four children diagnosed with CHH.
- Growth parameters and serum immunoglobulins were monitored during GH treatment.
Main Results:
- GH treatment showed the most significant effects on growth in patients with milder growth retardation.
- These growth effects were temporary, lasting only one year, with no impact on final adult height.
- Serum immunoglobulin levels did not change during the treatment period.
Conclusions:
- Growth hormone treatment is not beneficial for improving final height in children with CHH.
- GH treatment does not impact the immune system, specifically serum immunoglobulin levels, in CHH patients.
Abstract:
Cartilage-hair hypoplasia (CHH) is a rare autosomal recessive disorder characterized by metaphyseal chondrodysplasia with severe growth retardation and impaired immunity. We studied the effects of growth hormone treatment on growth parameters and the immune system in four children with CHH. The effects of growth hormone on growth parameters are the most prominent in patients with the mildest growth retardation. However, the effects are temporary and last only for 1 year. There is no gain in final height. Serum immunoglobulins did not change during growth hormone treatment. We conclude that growth hormone treatment is not beneficial in children with CHH.
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