A Study of AK146D1 for Injection in Advanced Solid Tumors

Inclusion criteria

• Be able to understand and voluntarily sign the written informed consent form.
• Aged of ≥ 18 years and ≤75 years.
• ECOG PS 0 or 1.
• The expected lifespan is ≥3 months.
• Histologically-confirmed unresectable advanced solid tumors with disease progression or intolerance to standard treatment or no standard treatment available.
• At least one measurable lesion according to RECIST v1.1.
• Have sufficient organ function.
• Females subjects must not be pregnant at screening or have evidence of non-childbearing potential. Agree to use medically accepted methods of contraception

Exclusion criteria

• Having other active malignancies within 3 years.
• Currently participating in another interventional clinical study.
• Presence of active metastases to the central nervous system. For patients with asymptomatic brain metastasis or stable symptoms after treatment can be included.
• Having received any treatment targeting Trop2 or Nectin4.
• Having received systemic anti-tumor treatment within 4 weeks or 1 cycle interval of the regimen or major surgical operations within 4 weeks before the first administration.
• Toxicity of previous antineoplastic therapy has not resolved to NCI CTCAE 5.0 grade 1 or lower.
• Subjects with clinically significant cardiovascular or cerebrovascular diseases or risks.
• Subjects with active autoimmune diseases requiring systemic treatment within 2 years.
• Known active infection requiring antibodies treatment within 2 weeks, or severe infection within 4 weeks prior to the first dose.
• Known to be positive for HIV and other infections.
• Previous history of severe hypersensitivity reactions.
• Live attenuated vaccines were received within 4 weeks.
• Subjects with a history of mental illness and incapacitated or limited capacity.
• Any disease or condition that, in the opinion of the investigator, would compromise subject safety or interfere with study assessments.