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Brief Title: Tyrosine Kinase Inhibitors (TKIs) in Trastuzumab Emtansine (T-DM1) Resistant HER2-positive Metastatic Breast Cancer: A Real-world Study
Official Title: Tyrosine Kinase Inhibitors (TKIs) Based Therapy in Trastuzumab Emtansine (T-DM1) Resistant HER2-positive Metastatic Breast Cancer: A Real-world Study
Study ID: NCT05231863
Brief Summary: This is a real world study to evaluate the efficacy and safety of tyrosine kinase inhibitors after T-DM1 progression.
Detailed Description: HER2-positive breast cancers account for 15%-20% of all breast cancers. The development of HER2 targeted therapies have greatly improved the survival of HER2-positive breast cancer patients. Trastuzumab emtansine (T-DM1) has shown great effectiveness in treating HER2-positive metastatic breast cancer, but therapies subsequent to T-DM1 progression are still controversial. Here, we investigated efficacy and safety of tyrosine kinase inhibitors (TKIs) based therapy in T-DM1 resistant HER2-positive metastatic breast cancer.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: No
Jiangsu Provincial People's Hospital, Nanjing, Jiangsu, China