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Triiodothyronine supplementation for hypothalamic obesity.

J K Fernandes1, M J Klein, Joann L Ater

  • 1Department of Endocrinology and the Division of Pediatrics, University of Texas M.D. Anderson Cancer Center, Houston, TX, USA.

Metabolism: Clinical and Experimental
|October 31, 2002
PubMed
Summary

Triiodothyronine (T3) supplementation effectively treated hypothalamic obesity in three patients with suprasellar lesions. This thyroid hormone therapy promoted significant weight loss and improved overall well-being, offering a new treatment avenue.

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Area of Science:

  • Endocrinology
  • Metabolic Disorders
  • Neuro-oncology

Background:

  • Suprasellar lesions often lead to severe hypothalamic obesity and listlessness.
  • Existing treatments, including nutritional counseling, have proven ineffective for this condition.
  • Patients typically require management for associated conditions like diabetes insipidus and hypopituitarism.

Observation:

  • Three patients with suprasellar lesions and significant weight gain were treated with triiodothyronine (T3) supplementation.
  • Despite normal serum free thyroxine (T4) levels, patients exhibited symptoms of hypothalamic obesity.
  • Previous nutritional interventions had failed to yield positive results.

Findings:

  • T3 supplementation resulted in substantial weight loss across all three patients.

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  • One patient experienced improved bone mineral density.
  • Patients reported enhanced overall well-being, including increased alertness and resolution of fatigue.
  • Treatment was effective even at supraphysiologic T3 levels, with no reported adverse effects.

    • Implications:

    • Triiodothyronine (T3) may represent a novel and effective therapeutic option for hypothalamic obesity.
    • This approach could significantly improve the quality of life for patients with suprasellar lesions.
    • Further research into T3 supplementation for similar endocrine-related obesity is warranted.