Ziyi Xu, Zihua Zou, Xuezhi Hao, Puyuan Xing, Junling Li
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Adjuvant and neo-adjuvant immunotherapy in resectable non-small cell lung cancer (NSCLC): Current status and perspectives
Surgery followed by adjuvant chemotherapy is the standard of care for selected patients with early-stage or locally advanced non-small cell lung cancer (NSCLC). However, many of these patients still experience postoperative recurrence at 5 years. At present, peri-operative treatment methods are emerging to prevent early relapse, such as targeted therapy and immunotherapy. Investigation on predictive biomarkers of responses to adjuvant and neoadjuvant therapies is also continuously ongoing. Immunotherapy represented by immune checkpoint inhibitors (ICIs), either by monotherapy or in combination with chemotherapy, has shown benefit in promoting pathological responses and prolonging survival for patients with NSCLC without oncogenic mutations. Exploratory studies have also provided evidence regarding the selection of patients who benefit from ICI-based perioperative treatment. This review focuses on the existing data of current clinical trials of adjuvant and neoadjuvant strategies with ICIs in resectable NSCLC, the exploration of predictive biomarkers, and the perspectives and urgent challenges in the future.