Serum Estradiol (E2) Levels in Breast Cancer Patients During Endocrine Therapy by High Performance Liquid Chromatography-tandem Mass Spectrometry (LC-MS /MS)

RecruitingOBSERVATIONAL

Enrollment

2,000

Participants

Timeline

Start Date

September 1, 2023

Primary Completion Date

August 31, 2024

Study Completion Date

August 31, 2026

Conditions

Breast Cancer

Interventions

DRUG

AIs

Patients with AIs

DRUG

OFS+AIs

Patients with OFS+AIs

DRUG

FUL

Patients with FUL

Trial Locations (1)

RECRUITING

Sun Yat-sen University Cancer Center, Guangzhou

All Listed Sponsors

lead

Sun Yat-sen University

OTHER