OBJECTIVE: TU2670 is a novel competitive pituitary GnRH receptor antagonist to treat endometriosis. We investigated the safety, tolerability, pharmacokinetics and pharmacodynamics of TU2670 after multiple oral administration in healthy female subjects. Population PK/PD analysis using pooled phase I clinical trial data was also performed to suggest efficacious doses to treat endometriosis. DESIGN: Phase I, single-blind, […]