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Improvements in body composition after 4 years of growth hormone treatment in adult-onset hypopituitarism compared to age-matched controls

Postma, M., van Beek, A. P., Jönsson, P., van Bunderen, C., Drent, M., Mattsson, A. & Camacho-Hübner, C., 8-Mar-2019, In : Neuroendocrinology. 109, 2, p. 131-140 37 p.

Research output: Contribution to journalArticleAcademicpeer-review

BACKGROUND/AIMS: It is unknown whether long-term growth hormone replacement therapy (GHRT) affects body composition in an age- or sex dependent manner. We aimed to study the effects of 4 years of GHRT on body composition in a large cohort of patients with hypopituitarism compared to a reference population matched by age and sex.

METHODS: A total of 964 GH deficient adults from KIMS (Pfizer International Metabolic Database) with adult-onset hypopituitarism, adequately replaced with all pituitary hormones except for GH at baseline were included. A random sample of the general population (2301 subjects) from a similar time period was used as reference. Patients and controls were grouped by sex in 5 age cohorts of 10 years. Main outcome measures were changes in BMI and waist circumference after 4 years of GHRT.

RESULTS: In younger patients (28-47 years), four years of GHRT resulted in a BMI increase similar to that observed in the reference population, but older patients (48-67 years) had significantly less BMI increase than age-matched healthy controls. Significant differences were seen in waist circumference in patients of all age cohorts who showed virtually no change after 4 years of GHRT compared to approximately 4 cm of increase in the reference population.

CONCLUSION: Four years of GHRT resulted in improvements in BMI and waist circumference in patients with adult-onset hypopituitarism compared to age-matched controls observed during the same follow-up time. Despite these beneficial effects on body composition, BMI and waist circumference remained higher in patients on GHRT compared to healthy controls.<br>.

Original languageEnglish
Pages (from-to)131-140
Number of pages37
JournalNeuroendocrinology
Volume109
Issue number2
Publication statusE-pub ahead of print - 8-Mar-2019

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