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A comparative trial of transsphenoidal hypophysectomy and estrogen suppression with aminoglutethimide in advanced breast cancer.

Abstract
We compared two treatment regimens, transsphenoidal hypophysectomy and estrogen suppression with aminoglutethimide in women with metastatic breast carcinoma. Three of fourteen patients experienced partial objective tumor regression with a median duration of 4.6 months following hypophysectomy, whereas 10 of 21 women receiving aminoglutethimide responded (2 complete, 8 partial) with a median duration of 11.5 months. Side effects in the medical group were minimal while surgical complications included 2 cases of CSF rhinorrhea, one leading to meningitis and death. In patients receiving aminoglutethimide, urinary free cortisol and plasma dehydroepiandrosterone sulfate fell significantly as did plasma estrone and estradiol. In the hypophysectomy group, anterior-pituitary function testing postoperatively revealed adequate suppression of gonadotropin and prolactin secretion but incomplete inhibition of the ACTH-cortisol axis in 4 of 7 surgical patients studied. Five patients initially treated with hypophysectomy experienced a further reduction of plasma (and urinary) estrone and estradiol levels when given aminoglutethimide. We conclude that estrogen suppression therapy with aminoglutethimide is a feasible alternative to surgical hypophysectomy in providing endocrine suppression and palliation in advanced breast carcinoma.
AuthorsH A Harvey, R J Santen, J Osterman, E Samojlik, D S White, A Lipton
JournalCancer (Cancer) Vol. 43 Issue 6 Pg. 2207-14 (Jun 1979) ISSN: 0008-543X [Print] United States
PMID378347 (Publication Type: Clinical Trial, Comparative Study, Journal Article, Research Support, U.S. Gov't, P.H.S.)
Chemical References
  • Estrogen Antagonists
  • Estrogens
  • Aminoglutethimide
Topics
  • Adult
  • Aged
  • Aminoglutethimide (pharmacology)
  • Breast Neoplasms (blood, therapy)
  • Cerebrospinal Fluid Rhinorrhea (etiology)
  • Clinical Trials as Topic
  • Estrogen Antagonists (pharmacology)
  • Estrogens (blood)
  • Female
  • Humans
  • Hypophysectomy (adverse effects)
  • Male
  • Middle Aged
  • Neoplasm Metastasis
  • Remission, Spontaneous
  • Time Factors

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