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Association between patient-reported outcomes and pathological response in neoadjuvant chemoimmunotherapy-a post hoc
Bengang Hui1, Na Zhang1, Jiangnan Duan1
1Department of Thoracic Surgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, China.
Background:
Neoadjuvant chemoimmunotherapy improves pathological outcomes and survival in resectable non-small cell lung cancer (NSCLC), but its effect on quality of life and the association between pathological response and patient-reported outcomes (PROs) are not well established. This analysis from phase II of the TD-FOREKNOW trial explores the preliminary relationship between pathologic complete response (pCR) and PROs.
Methods:
In this randomized phase 2 trial, patients with stage IIIA-IIIB (T3N2) NSCLC received camrelizumab plus chemotherapy or chemotherapy alone followed by surgery. PROs [global health status/quality of life (GHS/QoL), cough, dyspnea, hemoptysis] were compared between pCR and non-pCR groups using change-from-baseline analyses.
Results:
A total of 94 patients were randomized. Among 40 patients who received camrelizumab plus chemotherapy followed by surgery and completed ≥1 PRO assessment, 14 achieved pCR and 26 did not. GHS/QoL scores declined during neoadjuvant therapy but recovered postoperatively in both groups. During neoadjuvant treatment, pCR patients showed significantly greater improvement in cough [least square (LS) mean difference: -18.2; 95% confidence interval (CI): -33.0 to -3.5; P=0.02] and dyspnea (-21.3; 95% CI -38.3 to -4.3; P=0.02) compared to non-pCR patients.
Conclusions:
These findings suggest that pCR is associated with superior PROs, highlighting its potential as a marker for patient-centered benefits beyond survival.
