Elagolix, a novel, orally bioavailable GnRH antagonist under investigation for the treatment of endometriosis-related pain

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⚙ AI-generated summary by gemini-2.5-flash-lite, 2026-06-07 ⓘ

Elagolix, an orally bioavailable nonpeptide GnRH antagonist, has shown safety and efficacy in partially and reversibly suppressing estrogen production and improving endometriosis-related pain in early clinical trials.

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Abstract

Suppression of estrogen production and reduction of menstrual blood flow are the mainstays of medical treatment of endometriosis-related pain and have been traditionally achieved by methods such as combined hormonal contraception, progestins and GnRH analogs, all with comparable efficacies, though different side-effect profiles. Elagolix is the frontrunner among an emerging class of GnRH antagonists, which unlike their peptide predecessors has a nonpeptide structure resulting in its oral bioavailability. Phase I and II clinical trials have demonstrated safety of elagolix and its efficacy in partial and reversible suppression of ovarian estrogen production resulting in improvements in endometriosis-related pain. Phase III clinical trials are currently underway and elagolix may become a valuable addition to the armamentarium of pharmacological agents to treat endometriosis-related pain.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Gonadotropin-Releasing Hormone Hydrocarbons, Fluorinated Pain Pyrimidines Drug Evaluation Drug Evaluation Endometriosis Endometriosis Endometriosis Female Female Gonadotropin-Releasing Hormone Gonadotropin-Releasing Hormone Humans Humans Hydrocarbons, Fluorinated Hydrocarbons, Fluorinated Pain Pain

Citation neighborhood (2-hop)

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. Outer rings show 2-hop neighbours — papers reached through the immediate citers/citees. [ collapse to 1-hop ]

References (76)

Cited by (27)

Source provenance

europepmc
last seen: 2026-10-16T06:09:50.462052+00:00
openalex
last seen: 2026-06-10T17:14:06.276822+00:00
pubmed
last seen: 2026-10-08T21:14:54.911568+00:00
License: CC0 · commercial use OK