Abstract | OBJECTIVE: DESIGN: Randomized, double-blind, multicenter, placebo-controlled phase III trial. SETTING: Clinics. PATIENT(S): A total of 860 women treated with elagolix or placebo. INTERVENTION(S): Women received either elagolix at 150 mg daily (QD) orally, elagolix at 200 mg twice daily (BID) orally, or placebo. MAIN OUTCOME MEASURE(S): Change from baseline to month 1, 3, and 6 visits, in Patient-Reported Outcomes Measurement Information System (PROMIS) Fatigue Short Form 6a questionnaire T-scores. RESULTS(S): At baseline, 54%-74% of women with moderate to severe pain associated with endometriosis reported having fatigue-related issues "quite a bit" or "very much," depending on the question asked. Fatigue extent was reduced to 29%-43% and 14%-29% for women treated with elagolix at 150 mg QD and 200 mg BID, respectively, at 6 months, compared with 35%-50% with placebo. The resultant decrease in fatigue T-scores was significant after elagolix treatment compared with placebo at 6 months, with changes of -2.21 and -5.90 with elagolix at 150 mg QD and 200 mg BID, respectively. Significant reduction in fatigue scores were observed among patients reporting clinically meaningful response "reduction" in dysmenorrhea, nonmenstrual pelvic pain, and dyspareunia (-7.31, -6.62, and -4.31, respectively) compared with nonresponders. CONCLUSION(S):
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Authors | Eric S Surrey, Ahmed M Soliman, Sanjay K Agarwal, Michael C Snabes, Michael P Diamond |
Journal | Fertility and sterility
(Fertil Steril)
Vol. 112
Issue 2
Pg. 298-304.e3
(08 2019)
ISSN: 1556-5653 [Electronic] United States |
PMID | 30992150
(Publication Type: Clinical Trial, Phase III, Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
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Copyright | Copyright © 2019 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved. |
Chemical References |
- Hormone Antagonists
- Hydrocarbons, Fluorinated
- Placebos
- Pyrimidines
- Gonadotropin-Releasing Hormone
- elagolix
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Topics |
- Adolescent
- Adult
- Double-Blind Method
- Endometriosis
(complications, drug therapy)
- Fatigue
(drug therapy, etiology)
- Female
- Gonadotropin-Releasing Hormone
(antagonists & inhibitors)
- Hormone Antagonists
(therapeutic use)
- Humans
- Hydrocarbons, Fluorinated
(therapeutic use)
- Middle Aged
- Pain Measurement
- Pelvic Pain
(drug therapy, etiology, pathology)
- Placebos
- Pyrimidines
(therapeutic use)
- Severity of Illness Index
- Treatment Outcome
- Uterine Diseases
(complications, drug therapy)
- Young Adult
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