Evaluation of long-term efficacy and safety of dienogest in patients with chronic cyclic pelvic pain associated with endometriosis.

Purpose: To evaluate the efficacy and long-term safety (up to 108 months) of treatment with Dienogest in patients with endometriosis.

Methods: Patients with chronic pelvic pain endometriosis-related were enrolled in this observational study from June 2012 to July 2021. The patients enrolled took Dienogest 2 mg as a single daily administration.