Endocrine effects of danazol in the treatment of endometriosis

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Danazol therapy for endometriosis caused a significant rise in LH, a fall in estradiol, and a marked decrease in SHBG, suggesting its effects may stem from SHBG modulation rather than an anti-gonadotropic action.

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Abstract

The effects of danazol therapy on circulating gonadotrophins, oestradiol and sex hormone-binding globulin (SHBG) binding capacity have been studied in eight patients with endometriosis. There was a significant rise in luteinizing hormone (LH) in the first week of treatment with a fall in oestradiol levels. There was a marked fall in SHBG in the first week which continued up to 4 weeks. It is concluded that danazol is not 'anti-gonadotrophic' as frequently claimed and that its therapeutic actions, side effects and the endocrine changes could be explained by an effect on SHBG production. The rationale of its use in other conditions requires reconsideration.

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Condition tags

endometriosis

MeSH descriptors

Danazol Endometriosis Estradiol Gonadotropins, Pituitary Pelvic Neoplasms Pregnadienes Adult Danazol Endometriosis Endometriosis Estradiol Female Gonadotropins, Pituitary Humans Pelvic Neoplasms Pelvic Neoplasms Pregnadienes Sex Hormone-Binding Globulin Sex Hormone-Binding Globulin Time Factors

Citation neighborhood

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. [ expand to 2 hops ] — adds papers reached through this work's immediate citers/citees. Heavier; up to 60 extra dots.

References (36)

Cited by (15)

Source provenance

europepmc
last seen: 2026-08-22T06:09:51.966504+00:00
openalex
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pubmed
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