A Phase I Study of BR115 for Injection Alone in Subjects With Advanced Solid Malignancies

Exclusion Criteria

• •(1) Subjects who have previous hypersensitivity to BR115 or known hypersensitivity to any component or excipient of the study drug; (2) Subjects who have any active infections, including bacterial, viral, fungal, mycobacterial, parasitic, or other infections (excluding onychomycosis) , were present at the time of first administration; (3) Subjects who have previous or current presence of two or more primary tumors (excluding cured cervical carcinoma in situ, basal cell carcinoma, or squamous cell carcinoma of the skin, and other tumors that have been stable for more than 5 years after treatment); (4) Subjects who have symptoms of active central nervous system metastases； (5) Subjects with serious cardiovascular and cerebrovascular diseases and lung diseases, including but not limited to:
• •1. Stroke, intracranial hemorrhage, unstable angina pectoris, congestive heart failure (NYHA class III-IV), myocardial infarction, severe arrhythmias (such as sustained ventricular tachycardia and ventricular fibrillation), congenital long QT syndrome, torsade de pointes, and symptomatic pulmonary embolism within 6 months before enrollment;
• •2. Uncontrolled hypertension (at least 2 consecutive measurements of systolic blood pressure ≥ 160 mmHg or diastolic blood pressure ≥ 100 mmHg);
• •3. Echocardiogram (ECHO) or multigated acquisition scan (MUGA) shows left ventricular ejection fraction (LVEF) \< 50%;
• •4. During the screening period, the mean corrected (by Fridercia's formula) QT interval on three consecutive electrocardiograms is prolonged (\> 450 ms in males and \> 470 ms in females);