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Effects of GH on Body Proportions and Final Height in X-Linked Hypophosphatemic Rickets

Phase 1
Conditions
Hypophosphatemic Rickets
Growth Disorders
Somatropin Therapy
Registration Number
NCT00473187
Lead Sponsor
University of Rostock
Brief Summary

X-linked hypophosphatemic rickets (XLH) is characterized by rickets, disproportionate short stature, impaired renal phosphate reabsorption and vitamin D metabolism. Despite oral phosphate and vitamin D treatment, most children with XLH demonstrate reduced adult height. The main objective of the study is to determine the beneficial effects of recombinant human growth hormone (rhGH) therapy on body proportions after 36 month in these patients. Secondary objective is to monitor side effects of the therapy.

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
Not specified
Inclusion Criteria
  • Tanner stages of puberty B1, G1
  • body height < 2,5 SDS
  • growth velocity < 75%
  • confirmed diagnosis of XLHR
  • conservative treatment for at least 1 year (phosphate, vitamin D)
  • informed consent, written agreement
Exclusion Criteria
  • growth hormone deficiency
  • hypothyreosis
  • severe rickets
  • severe physical deformities
  • severe hyperparathyreoidism
  • chronic renal failure
  • complex syndrome involving failure to thrive
  • chronic disease with failure to thrive
  • impairment of glucose tolerance
  • Tanner stages of puberty greater than B1, G1
  • medical history of malignancy
  • therapy with growth hormone, glucocorticoides, anabolica
  • attending another clinical trial

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
change of body proportion and final heightwithin 5 years
Secondary Outcome Measures
NameTimeMethod
side effects of therapy with rhGHwithin 5 years

Trial Locations

Locations (1)

University Childrens Hospital, Rostock

🇩🇪

Rostock, MV, Germany

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