ArticleFrontiers in oncology2026
Cadonilimab (PD-1/CTLA-4 bispecific antibody) combination therapy for driver gene-negative advanced NSCLC: a single-center retrospective real-world study.
Article in Frontiers in oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: Immunotherapy has made significant progress in the treatment of advanced non-small cell lung cancer (NSCLC). However, treatment options for driver gene-negative patients remain limited. This study evaluated the efficacy and safety of Cadonilimab (AK104), a bispecific PD-1/CTLA-4 antibody, in this population. Methods: We retrospectively analyzed real-world data from driver gene-negative advanced NSCLC patients treated with AK104. Outcomes included objective response rate (ORR), disease control rate (DCR), and progression-free survival (PFS). Results: Among 30 patients, AK104 combination therapy achieved an ORR of 23.3%, DCR of 80%, and median PFS (mPFS) of 6.3 months. The combination of AK104 with chemotherapy and other anti-angiogenic inhibitors (AAI) achieved a notable mPFS of 11.1 months. First-line treatment (n=12) yielded ORR 50%, DCR 100%, and mPFS 13.3 months; second-line (n=6) ORR 16.7%, DCR 100%, mPFS 7.7 months; beyond second-line (n=12) ORR 0%, DCR 50%, mPFS 2.6 months. No significant difference in mPFS was observed between PD-L1-positive and PD-L1-negative patients (4.5 vs. 3.0 months, Conclusions: This study confirms the promising efficacy and acceptable safety profile of AK104 combination therapy in patients with driver gene-negative advanced NSCLC. These findings collectively support the need for further large-scale prospective studies to validate its clinical utility.
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