Major Pathologic Response after Induction Therapy Has a Long-Term Impact on Survival and Tumor Recurrence in Stage IIIA/B Locally Advanced NSCLC

The Thoracic and Cardiovascular Surgeon
Waldemar SchreinerHoria Sirbu

Abstract

Major pathologic response (MPR) determines favorable outcome in locally advanced non-small cell lung cancer after induction therapy (IT) followed by lung resection. The aim of this retrospective study was to identify the prognostic relevance of MPR in long-term interval. In 55 patients, the survival rate according to MPR and non-MPR was estimated by Kaplan-Meier method and compared using log-rank, Breslow, and Tarone-Ware tests. The IT included chemoradiation with 50.4 Gy (range: 45-56.4 Gy) combined with platinum-based chemotherapy in 52 patients (94.5%) and platinum-based chemotherapy in 3 patients (5.5%). Perioperative morbidity and 30-day mortality were 36 and 3.6%, respectively. The estimated 5-year postoperative and progressive-free survivals were statistically significantly improved in MPR versus non-MPR with 53.5 versus 18% and 49.4 versus 18.5%, respectively. According to the log-rank, Breslow, and Tarone-Ware tests, the MPR demonstrates prognostic significance in early, long-term, and whole postoperative interval. MPR is associated with a robust correlation to long-term postoperative and recurrence-free survival improvement, and can potentially simplify the multidisciplinary debate and allow further stratification of ...Continue Reading

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Citations

Aug 31, 2020·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Erin M CorsiniBoris Sepesi
Nov 16, 2021·Annals of Thoracic and Cardiovascular Surgery : Official Journal of the Association of Thoracic and Cardiovascular Surgeons of Asia·Zuo LiuZhenfa Zhang

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