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A Phase III, Randomized, Double-blind Trial of Platinum Doublet Chemotherapy +/-Pembrolizumab (MK-3475) as Neoadjuvant/Adjuvant Therapy for Participants With Resectable Stage II, IIIA, and Resectable IIIB (T3-4N2) Non-small Cell Lung Cancer (NSCLC) (KEYNOTE-671)

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Trial Profile

A Phase III, Randomized, Double-blind Trial of Platinum Doublet Chemotherapy +/-Pembrolizumab (MK-3475) as Neoadjuvant/Adjuvant Therapy for Participants With Resectable Stage II, IIIA, and Resectable IIIB (T3-4N2) Non-small Cell Lung Cancer (NSCLC) (KEYNOTE-671)

Status: Active, no longer recruiting
Phase of Trial: Phase III

Latest Information Update: 29 Sep 2025

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At a glance

  • Drugs Pembrolizumab (Primary) ; Cisplatin; Gemcitabine; Pemetrexed
  • Indications Non-small cell lung cancer; Squamous cell cancer
  • Focus Registrational; Therapeutic Use
  • Acronyms KEYNOTE-671; KEYNOTE-671/KEYNOTE-671
  • Sponsors Merck Sharp & Dohme Corp.

Most Recent Events

  • 11 Feb 2025 According to a Merck & Co media release, Company announced that Health Canda has granted approval for KEYTRUDA (pembrolizumab), as a treatment for adult patients with resectable Stage II, IIIA, or IIIB (T3-4N2) non-small cell lung carcinoma (NSCLC) in combination with platinum-containing chemotherapy as neoadjuvant treatment, and then continued as monotherapy as adjuvant treatment after surgery. This approval is based on results from this study.
  • 16 Dec 2024 According to a Merck & Co media release,Dr. Heather Wakelee, principal investigator for KEYNOTE-671.
  • 16 Dec 2024 According to a Merck & Co media release, company announced KEYTRUDA has been approved by the National Medical Products Administration (NMPA) in China in combination with platinum-containing chemotherapy as neoadjuvant treatment and then continued as monotherapy as adjuvant treatment after surgery for patients with resectable stage II, IIIA, or IIIB non-small cell lung cancer (NSCLC).

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