Cited by 53Growth Hormone and Insulin-like Growth FactorsThyroid Disorders and TreatmentsPituitary Gland Disorders and Treatments

The interaction between growth hormone and the thyroid axis in hypopituitary patients: Interaction between growth hormone and thyroid axis

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Behan, Lucy Ann, Monson, John P., Agha, Amar·2011·Clinical Endocrinology

Abstract

Alterations in the hypothalamo-pituitary-thyroid axis have been reported following growth hormone (GH) administration in both adults and children with and without growth hormone deficiency. Reductions in serum free thyroxine (T4), increased tri-iodothyronine (T3) with or without a reduction in serum thyroid-stimulating hormone secretion have been reported following GH replacement, but there are wide inconsistencies in the literature about these perturbations. The clinical significance of these changes in thyroid function remains uncertain. Some authors report the changes are transient and revert to normal after a few months or longer. However, in adult hypopituitary patients, GH replacement has been reported to unmask central hypothyroidism biochemically in 36-47% of apparently euthyroid patients, necessitating thyroxine replacement and resulting in an attenuation of the benefit of GH replacement on quality of life in those who became biochemically hypothyroid after GH replacement. The group at highest risk are those with organic pituitary disease or multiple pituitary hormone deficiencies. It is therefore prudent to monitor thyroid function in hypopituitary patients starting GH therapy to identify those who will develop clinical and biochemical features of central hypothyroidism, thus facilitating optimal and timely replacement.

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Crossref · 10.1111/j.1365-2265.2010.03815.x

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  1. 41 Stockigt, J.R. (2000) Braverman, L.E. & Utiger, R.D. eds. Werner and Ingbar's The thyroid: A Fundamental Clinical Text , 8th edn. Lippincott Williams & Wilkins Publications, Philadelphia, USA, 384-385.

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Authors
Behan, L. A., Monson, J. P., & Agha, A.
Affiliations
  • Beaumont Hospital (IE)
  • St Bartholomew's Hospital (GB)
Corresponding author
Agha, Amar
Venue
Clinical Endocrinology
Publisher
Wiley
Published
2011-02-08
Volume
74
Issue
3
Pages
281-288
ISSN
0300-0664 (ISSN-L)
OpenAlex
W1552278202
Cited by
53
References
71
Citations by year
2025: 3 · 2024: 1 · 2023: 4 · 2022: 4 · 2021: 9 · 2020: 5 · 2019: 2 · 2018: 6 · 2017: 3 · 2016: 4 · 2015: 2 · 2014: 3 · 2013: 4 · 2012: 2
FWCI
1.69
Type
journal article
Language
en
Open access
Locations
  • Clinical Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • Lenus, The Irish Health Repository (Dr Steevens Hospital Library) (submittedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Growth Hormone and Insulin-like Growth Factors
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Pituitary Gland Disorders and Treatments
Keywords
growth hormone therapy, hypothalamic-pituitary-thyroid axis, hypopituitarism, central hypothyroidism, thyroid-stimulating hormone, free thyroxine, triiodothyronine, multiple pituitary hormone deficiency, thyroid function monitoring, thyroxine replacement, quality of life
MeSH terms
Adult, Child, Humans, Hypopituitarism, Hypothyroidism, Thyroid Gland, Thyroxine, Triiodothyronine, Human Growth Hormone, Hormone Replacement Therapy

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