Geneva, Aug. 6 -- International Clinical Trials Registry received information related to the study (ChiCTR2600128463) titled 'Evaluation on Efficacy and Safety of Switching to Tucatinib Combined with Fulvestrant or Trastuzumab Deruxtecan After Disease Progression in HR-positive/HER2-low Metastatic Breast Cancer' on July 21.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Zhejiang Cancer Hospital

Condition: breast cancer

Intervention: Group A :Switching from Trastuzumab Deruxtecan to Capivasertib plus Fulvestrant)

Recruitment Status: Not Recruiting

Phase: 4

Date of First Enrollment: 2026-08-01

Target Sample Size: Group A :30;Group B:30;

Countries of Recruitment: China

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