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Comparative Analysis of Human Growth Hormone in Serum Using SPRi, Nano-SPRi and ELISA Assays
Published on: January 7, 2016
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Copeptin in Growth Hormone-Treated Patients
Anna Sjöström1,2, Simona I Chisalita3,4, Charlotte Höybye2,5
1Department of Clinical Chemistry, Karolinska University Hospital, 171 76 Stockholm, Sweden.
Journal of Clinical Medicine
|October 14, 2022
Summary
Growth hormone (GH) treatment increases copeptin, a marker for arginine-vasopressin (AVP) release, in patients with GH deficiency. This suggests a compensatory mechanism for GH
Area of Science:
- Endocrinology
- Nephrology
Background:
- Growth hormone (GH) influences body composition and water balance.
- GH exhibits an anti-natriuretic effect, but its impact on arginine-vasopressin (AVP) release is not well understood.
Purpose of the Study:
- To investigate the effect of GH on AVP release by measuring copeptin levels in patients with GH deficiency undergoing GH substitution therapy.
Main Methods:
- Retrospective cohort study utilizing biobank samples from 34 patients treated with GH between 1999 and 2004.
- Measurement of copeptin and insulin-like growth factor 1 (IGF-1) at baseline, 3 months, and 6 months.
Main Results:
- GH treatment led to increased IGF-1 and copeptin levels at 3 and 6 months compared to baseline.
- Copeptin levels remained stable between 3 and 6 months.
- Significant changes observed in HbA1c, LDL levels, and waist circumference during the study period.
Conclusions:
- Three months of GH treatment increased copeptin levels, which were sustained at 6 months.
- This increase in copeptin may represent a compensatory mechanism for the anti-natriuretic effects of GH therapy.
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