Fluzoparib in Combination With Chidamide or Camrelizumab for HRD Positive HER2 Negative Advanced Breast Cancer

Exclusion Criteria

• •9. Female subjects of childbearing potential need to use a medically recognized contraceptive measure during the study treatment and at least 3 months after the last use of the study drug;
• •10. Patients with known hormone receptor status;
• •11. Main organ function is basically normal, and meet the following conditions:
• •1. Blood routine examination criteria need to meet: HB ≥ 90 g/L (14 without blood transfusion); ANC ≥ 1.5 × 109/L; PLT ≥ 75 × 109/L;
• •2. Biochemical examination need to meet the following criteria: TBIL ≤ 1.5 × ULN (upper limit of normal); ALT and AST ≤ 3 × ULN; if there is liver metastasis, ALT and AST ≤ 5 × ULN; serum Cr ≤ 1 × ULN;
• •3. cardiac function: LVEF ≥ 50%
• •12. The subject voluntarily joined the study and signed the informed consent form.
• •1. Uncontrolled central nervous system metastasis (defined as symptoms or requiring glucocorticoids or mannitol to control symptoms);
• •2. Clinically symptomatic third space effusion, pericardial effusion, pleural effusion and abdominal effusion that cannot be controlled by pumping or other treatments;
• •3. Currently or recently (within 30 days before enrollment) is participating in another clinical study;
• •4. Five Other malignant tumors (except adequately treated cervical carcinoma in situ or skin squamous cell carcinoma or controlled skin basal cell carcinoma) within the past 4 years;
• •5. Uncontrolled cardiac clinical symptoms or diseases, such as: (1) NYHA grade 2 or higher heart failure (2) unstable angina pectoris (3) myocardial infarction within 1 year (4) clinically significant supraventricular or ventricular arrhythmias requiring treatment or intervention (5) QTc \> 470 ms;
• •6. Hyperactive/venous thrombotic events, such as cerebrovascular accidents (including transient ischemic attack, cerebral hemorrhage, cerebral infarction), deep venous thrombosis and pulmonary embolism;
• •7. He following history 24 days before signing the ICF: gastrointestinal ulcers, gastrointestinal perforation, corrosive esophagitis or gastritis, inflammatory bowel disease or inflammation, abdominal fistula, tracheoesophageal fistula or intra-abdominal abscess;
• •8. Factors that significantly affect oral drug absorption, such as inability to swallow, chronic diarrhea and intestinal obstruction;
• •9. Patients with a clear history of allergy, Potential allergy or intolerance to cidaniline, fluzoparib, and carreizumab;
• •10. Human immunodeficiency virus (HIV) infection, active hepatitis B (hepatitis B surface antigen positive and HBV DNA ≥ 500 IU/ml), hepatitis C (hepatitis C antibody positive and HCV-RNA above the lower limit of detection of the analytical method);
• •11. Female patients during pregnancy and lactation, female patients of childbearing potential with positive baseline pregnancy test or female patients of childbearing age who are unwilling to take effective contraceptive measures throughout the trial;
• •12. According to the investigator's judgment, the presence of concomitant diseases (including but not limited to hypertension with poor drug control, severe diabetes, neurological or psychiatric diseases, active infection, etc.) or any other condition that seriously endangers the subject's safety, may confound the study results, or affect the subject's completion of this study.