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Inetetamab Combined With Pyrotinib Plus Oral Vinorelbine for the Treatment of HER2-positive Metastatic Breast Cancer
Study Purpose
In this phase 2 single-arm clinical trial, 30 patients with HER2-positive metastatic breast cancer after progression on trastuzumab are enrolled and receive treatment of Inetetamab plus Pyrotinib plus Oral Vinorelbine. The study aimed to access the efficacy and safety of Inetetamab combined with Pyrotinib and Oral Vinorelbine in HER2-positive metastatic breast cancer patients after progression on trastuzumab.
Recruitment Criteria
Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms
An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.
An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.
Searching Both is inclusive of interventional and observational studies.
Inclusion Criteria:
1. Female, Aged ≥ 18 years. 2. Metastatic breast cancer confirmed by pathology or imaging. 3. Pathological diagnosis of HER2 positive (definition: immunohistochemical (IHC) 3+, or IHC 2+ with in situ hybridization (ISH) testing of amplification. 4. Previously received trastuzumab treatment. 5. At least one Measurable target lesion according to RECIST 1.1. 6. Eastern Cooperative Oncology Group (ECOG) score 0- 2. 7. Sufficient organ function: Neutrophil count (ANC) ≥ 1.5 × 10 ^ 9 / L, Platelet count (PLT) ≥ 100 × 10 ^ 9 / L, hemoglobin (Hb) ≥90 g/L，total bilirubin (TBIL) ≤ 1.5 × upper limit of normal value (ULN), alanine aminotransferase (ALT / AST) ≤ 2.5 × ULN (liver metastasis patients ≤ 5×ULN), serum creatinine ≤ 1.5 × ULN or creatinine clearance rate (CCR) ≥ 60 ml/min, Left ventricular ejection fraction (LVEF) ≥50%.Exclusion Criteria:
1. Allergic to the ingredients of the study drug. 2. Symptomatic brain or meningeal metastasis. 3. Gastrointestinal dysfunction or gastrointestinal diseases (including active ulcers). 4. LVEF <50%; clinical manifestations of patients with obvious arrhythmia, myocardial ischemia, severe atrioventricular block, cardiac insufficiency, and severe valvular disease. 5. Any other medical, social or psychological conditions which are inappropriate to participate in this trial. 6. Pregnant or lactating women, women of childbearing age who refused to take effective contraceptive measures during the study period.Trial Details
This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.
Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.
Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.
Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.
Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.
The person who is responsible for the scientific and technical direction of the entire clinical study.
Category of organization(s) involved as sponsor (and collaborator) supporting the trial.
The disease, disorder, syndrome, illness, or injury that is being studied.
Trastuzumab is an important agent for the treatment of patients with HER2-positive metastatic breast cancer. However, a considerable number of patients will develop resistance to trastuzumab treatment. Previous studies have shown that multiple mechanisms mediate trastuzumab resistance, such as abnormal extracellular domain of the HER2 receptor, HER3 mutation and activation of bypass signaling pathway. To overcome these resistance mechanisms, the combination of trastuzumab with HER2-targeting tyrosine kinase inhibitor (TKI) is an effective strategy. In this phase 2 single-arm clinical trial, 30 patients with HER2-positive metastatic breast cancer after progression on trastuzumab are enrolled and receive treatment of Inetetamab plus Pyrotinib plus Oral Vinorelbine. The study aimed to access the efficacy and safety of Inetetamab combined with Pyrotinib and Oral Vinorelbine in HER2-positive metastatic breast cancer patients after progression on trastuzumab. The primary end point is Progressive-free Survival (PFS). The secondary end points are Overall Survival (OS), Overall Response Rate (ORR), Clinical Benefit Rate (CBR) and safety.
Arms
Experimental: Inetetamab combined with Pyrotinib plus Oral Vinorelbine
Inetetamab: 8mg/kg for the first dose, 6mg/kg for the following doses, intravenous, every 3 weeks for one cycle. Pyrotinib: 400mg, oral, every day. Vinorelbine: 60mg/m2, oral, every week.
Interventions
Drug: - Inetetamab
Patients with HER2-positive metastatic breast cancer after progression on trastuzumab are enrolled and receive treatment.
Drug: - Pyrotinib
Patients with HER2-positive metastatic breast cancer after progression on trastuzumab are enrolled and receive treatment.
Drug: - Oral Vinorelbine Tartrate
Patients with HER2-positive metastatic breast cancer after progression on trastuzumab are enrolled and receive treatment.
Contact a Trial Team
If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.
International Sites
Status
Recruiting
Address
The First Affiliated Hospital with Nanjing Medical University
Nanjing, Jiangsu, 210029
Site Contact
Xiang Huang
[email protected]
+8613701473675
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