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Hormonal changes in veterans with Gulf War Illness.

Gursimrat Bhatti1, Audri Villalon1, Ruosha Li2

  • 1Michael E. DeBakey VA Medical Center, Houston, TX, USA; Beth K. and Stuart C. Yudofsky Division of Neuropsychiatry, Baylor College of Medicine, Houston, TX, USA.

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|July 5, 2023
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Summary

Gulf War Illness (GWI) is linked to higher rates of adult growth hormone deficiency (AGHD). Growth hormone replacement therapy (GHRT) may offer a new treatment for affected veterans.

Keywords:
Adult growth hormone deficiencyGulf War IllnessHormonal dysregulationPituitary axis

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Area of Science:

  • Endocrinology
  • Military Medicine
  • Neuroscience

Background:

  • Gulf War Illness (GWI) is a complex, multi-system condition affecting veterans.
  • Endocrine dysfunction may contribute to GWI symptoms.
  • No specific treatments currently exist for GWI.

Purpose of the Study:

  • To investigate hormonal alterations in Gulf War veterans.
  • To determine the relationship between GWI and hormonal dysregulation.
  • To identify potential therapeutic targets for GWI.

Main Methods:

  • Cross-sectional, case-control study of 81 Gulf War veterans (54 with GWI, 27 controls).
  • Utilized questionnaires, neuropsychiatric assessments, and comprehensive hormone assays.
  • Included glucagon stimulation test for adult growth hormone deficiency (AGHD) and ACTH stimulation test for adrenal insufficiency.

Main Results:

  • GWI veterans reported lower quality of life and increased symptom severity.
  • Adult growth hormone deficiency (AGHD) was significantly more prevalent in GWI veterans (35.3%) compared to controls (7.7%).
  • Reduced insulin-like growth factor 1 (IGF-1) levels were observed in GWI veterans.

Conclusions:

  • Adult growth hormone deficiency (AGHD) is significantly more common in veterans with GWI.
  • Recombinant human growth hormone replacement therapy (GHRT) shows promise as a treatment for GWI patients with AGHD.
  • Further clinical trials are necessary to confirm the efficacy of GHRT for GWI.