Utidelone Plus Capecitabine Versus Taxane Plus Capecitabine in HER2-negative Locally Advanced or Metastatic Breast Cancer

Eligible patients will receive treatment with taxane (paclitaxel, nab-paclitaxel or docetaxel , the dosage reference to related prescribing information or clinical practice by investigators) plus capecitabine (1000 mg/ m2 twice daily D1-14 Q3W) for 6 \~8 cycles(for the the patients with SD, PR or CR after 6\~8 cycles treatment could choose to receive continuous combination therapy or capecitabine maintenance mono therapy ), or be treated until disease progression, unacceptable toxicity or patient request for withdrawal, whichever occurs first. Each cycle is 3 weeks in duration.

Eligible patients will receive treatment with utidelone (30 mg/ m2 /day D1-5 Q3W) plus capecitabine (1000 mg/ m2 twice daily D1-14 Q3W) for 6 \~8 cycles(for the the patients with SD, PR or CR after 6\~8 cycles treatment could choose to receive continuous combination therapy or capecitabine maintenance mono therapy), or be treated until disease progression, unacceptable toxicity or patient request for withdrawal, whichever occurs first. Each cycle is 3 weeks in duration.

Eligible patients will receive treatment with taxane (paclitaxel, nab-paclitaxel or docetaxel , the dosage reference to related prescribing information or clinical practice by investigators) plus capecitabine ( 500 mg three times daily on days 1-21 Q3W) for 6 \~8 cycles(For the the patients with SD, PR or CR after 6\~8 cycles treatment could choose to receive continuous combination therapy or capecitabine maintenance mono therapy), or be treated until disease progression, unacceptable toxicity or patient request for withdrawal, whichever occurs first. Each cycle is 3 weeks in duration.

Eligible patients will receive treatment with utidelone (30 mg/ m2 /day D1-5 Q3W) plus capecitabine (500 mg three times daily on days 1-21 Q3W) for 6 \~8 cycles(for the the patients with SD, PR or CR after 6\~8 cycles treatment could choose to receive continuous combination therapy or capecitabine maintenance mono therapy ), or be treated until disease progression, unacceptable toxicity or patient request for withdrawal, whichever occurs first. Each cycle is 3 weeks in duration.