Clinical Study of Chidamide Combined With Fulvestrant in the Treatment of Hormone Receptor-positive Advanced Breast Cancer
Advanced Breast Cancer
About this trial
This is an interventional treatment trial for Advanced Breast Cancer
Eligibility Criteria
Inclusion Criteria:
- women aged ≥ 18 years, histologically or cytologically confirmed HR positive (ER expression ≥ 10%, PR positive or negative), HER2 negative breast cancer patients;
- before enrollment for unresectable locally advanced or metastatic breast cancer, and at least one measurable lesion or no measurable lesion and bone metastasis alone patients;
For locally advanced or metastatic breast cancer, no previous endocrine therapy or first-line endocrine therapy, and no previous use of CDK4/6 inhibitors. Specifically, it includes the following conditions:
Cohort 1: (neo) recurrence > 12 months after the end of adjuvant endocrine therapy, and without any rescue therapy · newly diagnosed advanced breast cancer without any rescue therapy Cohort 2: (neo) recurrence during or ≤ 12 months after the completion of adjuvant endocrine therapy, and without any rescue therapy · recurrence > 12 months after the completion of adjuvant endocrine therapy, and progression by first-line endocrine therapy · newly diagnosed advanced breast cancer and progression by first-line endocrine rescue therapy
- Cohort 1 without previous chemotherapy for advanced breast cancer; Cohort 2 with ≤ 1 previous chemotherapy for advanced breast cancer;
- no brain metastasis or asymptomatic brain metastasis;
- ECOG score 0-1;
- Absolute neutrophil count ≥ 1.5 × 109/L, platelet ≥ 100 × 109/L, hemoglobin ≥ 90 g/L;
- Expected survival time ≥ 3 months;
- Voluntarily participate in this clinical trial, sign the written informed consent;
Exclusion Criteria:
- no measurable lesions (except bone metastases alone), such as pleural or pericardial exudates, ascites, etc.
- Patients who have undergone major surgical procedures or significant trauma before enrollment, or are expected to undergo major surgical treatment
- Patients who have previously been treated with CDK4/6 inhibitors, fulvestrant or HDAC inhibitors (including romidepsin, vorinostat, berlistat, parabrestat), but have received 1 cycle (≤ 2 times, on d1, d15, respectively) of fulvestrant within 28 days (before enrollment) are allowed
- Known history of allergy to the drug components of this protocol
- Meningeal metastasis before enrollment
- Uncontrollable serosal effusion
- Active infection [an active bacterial, viral, fungal, mycobacterial, parasitic or other infection (excluding fungal infections of the nail bed) within 4 months prior to Screening or any major infectious event requiring intravenous antibiotics, or targeted antiviral therapy, or hospitalization], or persistent fever within 14 days prior to Screening
- a history of immunodeficiency, including HIV test positive, or suffering from other acquired, congenital immunodeficiency diseases, or a history of organ transplantation;
- according to the investigator's judgment, there are serious hazards to the patient's safety, or affect the patient to complete the study of concomitant diseases (such as: severe hypertension, diabetes, thyroid disease, active infection, etc.);
- History of definite neurological or psychiatric disorders, including epilepsy or dementia
- Subjects who, in the opinion of the investigator, are not suitable for the study
Sites / Locations
- Liangning Tumor Hospital &InstituteRecruiting
Arms of the Study
Arm 1
Experimental
chidamide + fulvestrant