Antiendometrial antibodies in endometriosis measured by an enzyme-linked immunosorbent assay before and after treatment with danazol and nafarelin

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This study found that antiendometrial antibody levels were higher in endometriosis patients than controls, and treatment with nafarelin, but not danazol, significantly reduced these levels.

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Abstract

No previous study has investigated prospectively the quantitative effect of treatment on antiendometrial antibody levels in endometriosis. We measured antiendometrial antibody levels by an enzyme-linked immunosorbent assay in 35 women with laparoscopically proved endometriosis who were treated for 6 months with danazol (N = 11) or nafarelin (N = 24) in a randomized double-blind study. Levels before treatment were significantly higher than in a control group (P less than .001). Levels were lowered by treatment, but to a significant extent only in the nafarelin group (P less than .001) (danazol group: P = .091). Our data suggest that in relation to antiendometrial antibodies, nafarelin has a suppressive effect which has previously been ascribed only to danazol.

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Condition tags

endometriosis

MeSH descriptors

Autoantibodies Danazol Endometriosis Endometrium Gonadotropin-Releasing Hormone Pelvic Neoplasms Pregnadienes Adult Autoantibodies Danazol Double-Blind Method Endometriosis Endometriosis Endometrium Enzyme-Linked Immunosorbent Assay Female Gonadotropin-Releasing Hormone Gonadotropin-Releasing Hormone Humans Multicenter Studies as Topic

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europepmc
last seen: 2026-08-10T06:11:17.106188+00:00
pubmed
last seen: 2026-05-13T22:12:10.587122+00:00
License: public-domain-us · commercial use OK · attribution required
Courtesy of the U.S. National Library of Medicine