Overview
The goal of this study is to evaluate the efficacy of QLS31905 in combination with chemotherapy (nab-paclitaxel plus gemcitabine [AG]) versus placebo in combination with chemotherapy (AG) in the treatment of CLDN18.2-positive advanced pancreatic cancer in adult participants.
Eligibility
Inclusion Criteria:
- Subjects voluntarily participate in the study and sign the informed consent form;
- Eastern Cooperative Oncology Group (ECOG) performance status score of 0-1;
- Expected survival time ≥ 3 months;
- Histologically or cytologically confirmed diagnosis of pancreatic cancer;
- No prior systemic anti-tumor treatment for unresectable locally advanced or metastatic disease;
- At least one measurable lesion per RECIST v1.1;
- Patients with adequate cardiac, liver, renal function, etc.
Exclusion Criteria:
- History of malignancies other than the target cancer within 5 years prior to the first dose of the investigational product ;
- Underwent major organ surgery (excluding needle biopsy) or had significant trauma within 28 days prior to enrollment, or requires elective surgery during the study;
- Known central nervous system metastases;
- Patients with hepatitis B; patients with hepatitis C; patients who test positive for syphilis, or patients with a known history of HIV or positive HIV screening test;
- Patients with added risks associated with the study or may interfere with the interpretation of study results as determined by the investigator, or deemed unsuitable by the investigator.