Study on the Safety and Efficacy of Intravenous Administration of IDOV-SAFETM in the Treatment of Advanced Solid Tumors

Summary

This is an open-label, dose escalation, phase I study to evaluate safety tolerability, MTD, pharmacokinetic profile, immunogenicity, and pharmacodynamic profile of Intravenous Administration of IDOV-SAFETM in patients with advanced solid tumors.

Eligibility

Inclusion Criteria:

1. Age: from 18 to 75 years old.
2. At the time of screening, the patient had at least one measurable target lesion.
3. Patients with advanced solid tumors who have failed standard therapy during screening.
4. When screening, the ECOG score of physical strength score is 0 or 1.
5. Life expectancy assessed by the investigator at the time of screening was ≥3 months.
6. Subject has qualified organ function at baseline:

   a) Bone marrow function (no growth factor support therapy or component transfusion within 14 days prior to screening) : i. Neutrophil absolute value (ANC) ≥1.5×10\^9/L; ii. Hemoglobin (HB) ≥90g/L; iii. Platelet count (PLT) ≥75×10\^9/L; b) Liver function: alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤2.5 times the upper limit of normal (ULN), total bilirubin (TBIL) ≤1.5 times ULN (ALT and AST≤5 times ULN, TBIL≤3 times ULN for liver metastasis or hepatocellular carcinoma); c) Renal function: serum creatinine ≤ULN or creatinine clearance ≥80mL/min;
7. Fertile female subjects must have negative blood beta-HCG test results within 7 days prior to enrollment.
8. Subjects must agree to use highly effective contraception for at least 90 days from the start of the ICF to the end of the study.
9. Be fully informed of this study and voluntarily sign ICF.

Exclusion Criteria:

1. Asymptomatic brain metastases such as untreated ones at the time of screening; Subjects with symptomatic central nervous system (CNS) metastatic or cancerous meningitis; Or there was other evidence of uncontrolled central nervous system or meningeal metastases in subjects who were judged by the investigator to be unsuitable for enrollment.
2. Prior to enrollment, there was severe chronic or active infection: active hepatitis B (HbsAg positive, HBV DNA test value greater than the upper limit of normal); Active hepatitis C (those with positive anti-HCV antibodies are further tested positive for HCV RNA); A known history of immunodeficiency virus (HIV) disease or a positive HIV antibody test; Other conditions requiring systemic anti-infective treatment in the 4 weeks prior to initial use of the investigational drug include, but are not limited to, hospitalization for infectious complications, bacteremia, severe pneumonia, or active tuberculosis.
3. At the time of screening, patients had a history of active autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis, vasculitis, etc., or were receiving long-term systemic steroids (prednisone \>10mg/ day or equivalent doses of the same drug) or any other form of immunosuppressant therapy within 4 weeks prior to the first use of the study drug.
4. Patients with received allogeneic tissue or solid organ transplantation.
5. There is evidence of clinically significant immunodeficiency, such as primary immunodeficiency status, such as severe combined immunodeficiency disease (SCID); Combined with opportunistic infections.
6. Anticoagulants or antiplatelet drugs should be used before injection and should not be interrupted, including: aspirin should not be stopped within 7 days before injection; Coumarin that cannot be stopped within 7 days prior to injection; Direct thrombin inhibitors (such as dabigatrun) or direct factor Xa inhibitors (such as rivaroxaban, apixaban, and neperoxaban) that cannot be discontinued within 4 days prior to injection; Low molecular weight heparin (LMWH) should not be stopped within 24 hours before injection, and ordinary heparin (UFH) should not be stopped more than 4 hours before injection.
7. Patients with a history of severe cardiovascular and cerebrovascular disease, including but not limited to: congestive heart failure ≥II heart function grade of the New York Heart Association (NYHA); Left ventricular ejection fraction (LVEF) \<50%; QT interval (QTcF) \>470ms as corrected by the Fridericia method or prolonged QT interval syndrome; Acute coronary syndrome, aortic dissection, severe arrhythmia, stroke, or other grade 3 or higher cardiovascular and cerebrovascular events occurred within 6 months before first administration; The presence of uncontrolled hypertension (systolic blood pressure \>140mmHg or diastolic blood pressure \>90mmHg). Subjects with a history of hypertension are admitted to the study if their blood pressure is controlled and maintained below this standard with antihypertensive therapy.
8. Patients with received treatment with other methods, including but not limited to chemotherapy, radiotherapy, biotherapy, endocrine therapy, immunotherapy, etc., within 4 weeks prior to the first use of the investigational drug.
9. Other diseases or abnormalities assessed by the investigator as unsuitable for participation in the study.
10. Vaccination against smallpox or monkeypox within 10 years.

Conditions2

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