PHOENIX: QL1706 Plus Chemotherapy and Bevacizumab in AGA-Resistant, PD-L1 ≥50% Non-Squamous NSCLC

The goal of this Phase II clinical trial (The PHOENIX Study) is to evaluate if the combination of QL1706 (Iparomlimab and Tuvonralimab), bevacizumab, and chemotherapy can treat patients with TKI-refractory, driver-gene positive (e.g., EGFR, ALK, ROS1, RET, KRAS, BRAF, HER2), non-squamous non-small cell lung cancer (NSCLC) who have high PD-L1 expression (TPS ≥50%). The main question\[s\] it aims to answer \[is/are\]: Does the quadruple combination therapy improve the Objective Response Rate (ORR) compared to historical chemotherapy data? What are the secondary efficacy outcomes, including Progression-Free Survival (PFS) and Overall Survival (OS)? If there is a comparison group: There is no concurrent control group (this is an open-label, multi-cohort study). Researchers will compare the treatment outcomes of the participants to historical control data (standard platinum-based chemotherapy) to see if the objective response rate (ORR) improves from a historical baseline of 29% to a target of 55%. Participants will: Receive induction therapy every 3 weeks for 4 cycles, consisting of intravenous infusions of QL1706, bevacizumab, pemetrexed, and platinum chemotherapy (cisplatin or carboplatin). Receive maintenance therapy every 3 weeks with QL1706 and bevacizumab for up to 2 years or until disease progression. Undergo regular tumor assessments (CT or MRI scans) to monitor disease status according to RECIST v1.1 criteria. Provide blood samples for safety monitoring and potential biomarker analysis.