Assessment of Safety, Tolerability and Pharmacokinetics With BAT4706 and BAT1308 in Advanced Solid Tumors Patients

Intravenous infusion, 3 weeks one cycle(Q3W), Administer on the first day of each cycle. In the first four cycles, administration starting with BAT1308, and then administering BAT4706 on the same day. Maintain administration of BAT1308 monotherapy after four cycles.

Intravenous infusion, 3 weeks one cycle(Q3W), Administer on the first day of each cycle. In the first four cycles, administration starting with BAT1308, and then administering BAT4706 on the same day. Maintain administration of BAT1308 monotherapy after four cycles.