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Clinical Characteristics and Surgical Outcomes of Patients Receiving Perioperative Pembrolizumab in KEYNOTE-671
Journal article   Peer reviewed

Clinical Characteristics and Surgical Outcomes of Patients Receiving Perioperative Pembrolizumab in KEYNOTE-671

Moishe Liberman, David R Jones, Heather Wakelee, Shugeng Gao, Balazs Halmos, Ernest Nadal, Anna Łowczak, Martin Reck, Silvia Novello, Danielli Matias, …
The Annals of thoracic surgery, v 121(2), pp 281-289
01 Feb 2026
DOI: https://doi.org/10.1016/j.athoracsur.2025.10.016
PMID: 41203001
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Aged Antibodies, Monoclonal, Humanized - administration & dosage Antibodies, Monoclonal, Humanized - therapeutic use Antineoplastic Agents, Immunological - therapeutic use Carcinoma, Non-Small-Cell Lung - drug therapy Carcinoma, Non-Small-Cell Lung - mortality Carcinoma, Non-Small-Cell Lung - surgery Carcinoma, Non-Small-Cell Lung - therapy Chemotherapy, Adjuvant Female Humans Lung Neoplasms - drug therapy Lung Neoplasms - mortality Lung Neoplasms - surgery Lung Neoplasms - therapy Male Middle Aged Neoadjuvant Therapy Neoplasm Staging Pneumonectomy - methods Survival Rate - trends Treatment Outcome
The phase 3 KEYNOTE-671 study (NCT03425643) demonstrated significantly improved event-free survival (EFS) and overall survival with neoadjuvant pembrolizumab plus chemotherapy followed by surgery and adjuvant pembrolizumab vs neoadjuvant chemotherapy and surgery for early-stage non-small cell lung cancer (NSCLC). We describe participant characteristics, surgical outcomes, and EFS in surgically relevant subgroups. Participants with untreated, resectable, stage II-IIIB (N2) NSCLC were randomized 1:1 to neoadjuvant pembrolizumab 200 mg or placebo plus cisplatin-based chemotherapy every 3 weeks for 4 cycles, then surgery and adjuvant pembrolizumab or placebo for 13 cycles. Surgery was performed ≤20 weeks after first neoadjuvant dose (if 4 cycles of neoadjuvant therapy) or 4-8 weeks after last neoadjuvant dose (1-3 cycles); surgery beyond this was considered surgical delay. Adjuvant therapy began 4-12 weeks after surgery. EFS was assessed in the surgical population. Of 397 participants randomized to pembrolizumab and 400 to placebo, 325 (82.1%) and 317 (79.4%), respectively, underwent surgery. At data cutoff (July 10, 2023), 4.9% (pembrolizumab) and 7.6% (placebo) of participants experienced surgical delay; 38.9% and 28.4%, respectively, experienced nodal downstaging; 78.8% and 75.1% underwent lobectomy; and 92.0% and 84.2% had R0 resections. Pembrolizumab improved EFS irrespective of disease stage, nodal status, and type of surgery vs chemotherapy. Eight participants (pembrolizumab, n = 6; placebo, n = 2) died ≤30 days after surgery from surgery-related adverse events. Neoadjuvant pembrolizumab did not adversely affect surgical outcomes, was associated with numerically higher R0 resections, and improved EFS vs neoadjuvant chemotherapy in surgically relevant subgroups in early-stage NSCLC.

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Collaboration types
Industry collaboration
Domestic collaboration
International collaboration
Web of Science research areas
Cardiac & Cardiovascular Systems
Respiratory System
Surgery
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