AbbVie NDA for Uterine Fibroid Bleeding

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AbbVie has submitted an NDA for elagolix, an oral gonadotropin-releasing hormone (GnRH) antagonist with a proposed indication for managing heavy menstrual bleeding (HMB) associated with uterine fibroids. The submission is based on data from the elagolix Phase 3 uterine fibroid program, which evaluated nearly 800 premenopausal women with uterine fibroid-associated HMB in two pivotal studies (ELARIS UF-I and ELARIS UF-II) at about 100 sites in the U.S. and Canada. The primary endpoint assessed the reduction in HMB compared to placebo as measured by the alkaline hematin method, an objective measurement of total menstrual blood loss.

 

The company says that in ELARIS UF-1, 68.5% of women with uterine fibroids achieved a clinical response compared to placebo (8.7%). In ELARIS UF-2, 76.2% of women with uterine fibroids achieved aclinical response compared to placebo (10.1%). “In both studies, clinical response was defined as menstrual blood loss volume of less than 80 mL during final month and a 50% or greater reduction in menstrual blood loss volume from baseline to final month,” AbbVie says.

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