Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500114935) titled 'Phase I clinical trial of YKYY031 for injection in patients with advanced solid tumors' on Dec. 19, 2025.

Study Type: Interventional study

Study Design: Single arm

Primary Sponsor: Beijing Cancer Hospital

Condition: Patients with advanced solid tumors

Intervention: YKYY031 group (the first stage):Eligible participants selected through screening will be sequentially assigned to dose groups A1 to A6 (in ascending order of dose) according to their enrollment sequence. Each participant will receive a single intramuscular injection of the corresponding dose of YKYY031 for injection.

Recruitment Status: Not Rec...