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评估HRS-4642联合抗肿瘤药物在KRAS G12D突变的晚期实体瘤受试者中的安全性和初步疗效

This is a Phase II clinical study to evaluate the efficacy and safety of SHR-A1921 conbined with adebrelimab in advanced NSCLC who failed the previous first-line standard therapy. Subjects in this study were treated with SHR-A1921 in combination with adebrelimab until disease progression, intolerable toxicity occurs, informed consent is withdrawn, or other conditions requiring termination of medication, whichever occurred first. The maximum treatment time of adebrelimab is 35 cycles or 2 years (whichever comes first), and subjects can continue to be treated with SHR-A1921 until disease progression, intolerable toxicity occurs, informed consent is withdrawn, or other conditions requiring termination of medication. Primary objective of this study was to evaluate the efficacy of SHR-A1921 combined with adebrelimab in advanced NSCLC who failed the previous first-line standard therapy. Secondary objective of this study was to evaluate the safety of SHR-A1921 combined with adebrelimab in advanced NSCLC who failed the previous first-line standard therapy; Exploratory objective of this study was to evaluate the biomarker changes during treatment with SHR-A1921 combined with adebrelimab in patients with advanced NSCLC who failed the previous first-line standard therapy.