BackgroundAdenomyosis is a poorly understood, benign disease of the uterus.ObjectiveIn this study, patient interviews were conducted to characterize the symptoms and impact of adenomyosis.MethodsThis was a cross-sectional study in which women with adenomyosis were recruited from five US clinics and a health-related social network forum. Participants (aged 18–55 years) were pre-menopausal with a history of regular menstrual cycles. Participants were interviewed about their experiences with adenomyosis, symptoms and impacts on day-to-day activities (concept elicitation), and subsequently about the occurrence, relative severity, and impact of symptoms (card-sorting exercise).ResultsIn total, 31 women were interviewed. Mean duration since onset of first adenomyosis symptom was 5.7 years; 41.9% reported severe/very severe adenomyosis. Over 50 symptoms and 30 impacts of adenomyosis were reported in the concept elicitation; 87% of symptoms were reported after 7 interviews and 78% of impacts after 5 interviews, indicating a condition with a significant symptom burden and a consistent presentation. The most common symptoms were heavy menstrual bleeding (87%), cramps (84%), and blood clots during menstrual bleeding (84%). The most common impacts were burdensome self-care hygiene (71%), and fatigue/low energy (71%). In the card-sorting exercise, the most commonly endorsed symptoms were pain during menstruation/menstrual cramps and heavy menstrual bleeding (both frequently rated as severe). The symptom with the highest impact was heavy menstrual bleeding.ConclusionInitiatives to understand women’s experiences with adenomyosis may improve management of the condition. This study provides a first step in understanding their experience and new information on the symptom profile of adenomyosis.Electronic supplementary materialThe online version of this article (10.1007/s40271-017-0284-2) contains supplementary material, which is available to authorized users.

Open-label single-and double-blind repeat-dose studies in healthy female volunteers were conducted to investigate the pharmacokinetics (PK) and safety/tolerability of epelsiban total daily doses ranging from 600 to 900 mg. In 1 study (n = 12), epelsiban was dosed at 300 or 450 mg twice daily (every 12 hours) for a single day. In the repeat-dose doubleblind study, epelsiban and placebo were administered to 31 subjects as 200 mg 3 times daily, 300 mg 3 times daily (TID), or 450 mg twice daily (BID) for 14 days. After both single and 14 daily repeat doses, the PK profiles for epelsiban and its metabolite, GSK2395448, remained linear at all administered doses. The exposures at a given total daily dose were also similar between BID and TID dosing regimens. Exposure (AUC 0-τ ), based on dosing intervals, for both epelsiban and GSK2395448 was similar. However, compared with morning dosing, C max was lower after evening dosing, possibly because of a food effect. The highest accumulation of epelsiban and GSK2395448 exposures (AUC 0-τ ) was approximately 34% for each after repeat dosing, consistent with the short half-life. At total daily doses of 600 and 900 mg, epelsiban was generally well tolerated, and there were no significant safety concerns identified.

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