Abstract
BackgroundThe study was conducted to assess the efficacy of estradiol valerate/dienogest (E2V/DNG) administered using an estrogen step-down and progestogen step-up approach in a 28-day regimen in the treatment of heavy menstrual bleeding (HMB) using clinical end points allowing E2V/DNG to be compared with other available medical therapies. Study DesignThis was a pooled analysis of data from two identically designed randomized, placebo-controlled, multiple center studies conducted in Europe, Australia and North America that assessed the effectiveness of E2V/DNG in reducing menstrual blood loss (MBL) in women with HMB. Women aged ≥18 years with objectively confirmed HMB were randomized to E2V/DNG (n=220) or placebo (n=135) for seven treatment cycles. Outcomes analyzed included absolute reduction in MBL from baseline, proportion of women successfully treated (defined as MBL below 80 mL and ≥50% reduction in MBL), proportion with MBL below 80 mL and proportion with ≥50% reduction in MBL from baseline. ResultsAt study end, 63.6% and 11.9% of patients were successfully treated with E2V/DNG and placebo, respectively, with 68.2% and 15.6% of women with MBL below 80 mL, and 70.0% and 17.0% with MBL reduction ≥50% (all p<.001). ConclusionE2V/DNG is highly effective for the treatment of HMB and is associated with a high rate of treatment success.
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