Spots Global Cancer Trial Database for The Benefits of Continued Use of Ovarian Function Suppression After 5 Years

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Trial Identification

Brief Title: The Benefits of Continued Use of Ovarian Function Suppression After 5 Years

Official Title: A Multicenter, Open-label, Non-randomized Controlled Real World Study Comparing the Benefits of Continued Use of Ovarian Function Suppression After 5 Years

Study ID: NCT06050109

Conditions

Breast Cancer Female

Endocrine Therapy

Interventions

OFS continues to use group after 5 years use

Immunohistochemical detection of HR status

Study Description

Brief Summary: To observe and evaluate the clinical efficacy and safety of continuous use of OFS for premenopausal patients with early breast cancer after 5 years use of OFS. This study is a multicenter, prospective, observational, non randomized controlled, open-label real world study based on hospital medical record system data, aimed at evaluating the benefits of continuing to use OFS after 5 years of use. The retrospective analysis plan includes patient data from September 1, 2023 to September 1, 2026. Join two cohorts: the continued use group and the discontinued use group after 5 years of OFS, respectively.

Detailed Description: