A Prospective Multicenter Study of Breast Cancer Diagnosis, Treatment, and Outcomes in China Using a Medical Record Database

What this Trial Is About

Researchers are conducting a multi-center observational study in China to collect and analyze information on breast cancer diagnosis, treatment, and prognosis. The study aims to evaluate differences among various regions and hospitals, and to provide data that supports guideline development, quality standards, specialized training, health insurance policy formulation, and clinical research in breast cancer care. This study does not involve changing or adding treatments but instead collects data through a prospective medical record database. It tracks the occurrence, treatment processes, and outcomes of breast cancer patients over time without intervening in their care. The study is designed to monitor patients from diagnosis and throughout their treatment and follow-up. Participants provide data that researchers use to assess the types of breast cancer treatments received and the patients prognoses, including survival and recurrence. Outcomes are monitored for up to 100 months after diagnosis. The study also aims to publish annual reports and facilitate data sharing to improve breast cancer care quality across China.

A Multicenter Prospective Observational Cohort Based on a Breast Cancer Medical Record Database in China