Tokyo, Nov. 15 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000059653) titled 'E4-YBONE Study: Estetrol and Bone Metabolism in Young Women' on Nov. 15.

Study Type: Observational

Primary Sponsor: Institute - Yokohama city University

Condition: Condition - Dysmenorrhea Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - To investigate the efficacy and safety of an E4-containing LEP formulation on bone metabolism in young women. Basic objectives2 - Safety

Eligibility: Age-lower limit - 15 years-old = Gender - Female Key inclusion criteria - Patients diagnosed with dysmenorrhea Female patients aged 15 to 22 years who are at least 3 years after mena...