HER2-positive Breast Cancer
Conditions
Brief summary
This clinical trial aim to evaluate the efficacy and safety of Pyrotinib in combination with nab-paclitaxel in patients with HER2-positive advanced breast cancer.
Interventions
pyrotinib maleate tablets: 400mg orally once daily continunously nab-paclitaxel: 125mg/m2 iv d1、8 of each 21 day cycle, 6cycles.
Sponsors
Study design
Eligibility
Inclusion criteria
* 1\. Age: 18-70 years old,female; 2. Pathologically confirmed HER2-positive invasive breast cancer by local laboratory with the following requirements: HER2 overexpressed or amplified (immunohistochemistry of 3+ or HER2 gene amplification by in situ hybridization) 3. Imaging examination confirmed recurrent/metastatic breast cancer; 4. Patients must have previous treatment with trastuzumab more than 9 weeks; 5. Untreated for metastatic/metastatic disease (except for endocrinotherapy); 6. Patients with at least one measurable lesions by RECIST version 1.1; 7. Eastern Cooperative Oncology Group (ECOG) performance status 0-2; 8. Life expectancy greater than or equal to 3 months; 9. Participants must have normal organ and marrow function as described below: Absolute neutrophil count≥1.5×109/L; Platelets≥90×109/L; Hemoglobin ≥90g/L; Total bilirubin ≤ 1.5 X institutional upper limit of normal (ULN); ALT and AST≤2\*ULN, but ≤5\*ULN with liver metastases; BUN and Cr≤1.5×ULN or creatinine clearance ≥50ml/min Left ventricular ejection fraction (LVEF) ≥ 50% 10. Doctors believe that treatment can bring benefits to patients; 11. Participants were willing to join in this study, and written informed consent.
Exclusion criteria
* 1\. A variety of factors influencing oral drugs (after resection of the gastrointestinal, unable to swallow, Chronic diarrhea, intestinal obstruction); 2. Patients with other malignant tumors within 5 years (except for skin basal cell carcinoma and cervical carcinoma in situ); 3. History of psychiatric drugs abuse or patients with mental disorders; 4. Pregnant or lactating women; 5. Less than 4 weeks from the last clinical trial 6. The researchers think inappropriate.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Progress-free survival(PFS) | three years | Baseline to measured date of progress or death from any cause |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Overall survival (OS) | up to death | Baseline to measured date of death from any cause |
| Objective response rate (ORR) | three years | Baseline to measured stable disease |
| Clinical Benefit Rate (CBR) | three years | The percentage of subjects with Complete Response, Partial Response, or Stable Disease at least 24 weeks |
| Disease control rate(DCR) | three years | Rate of the patients with disease control |
| Safety (number of Participants with adverse events) | three years | Adverse events Toxicity according to the Common Terminology Criteria for Adverse Events (CTCAE) Version 4.0. The number of Participants with adverse events will be recorded at each treatment visit. |