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Neoadjuvant immunotherapy with nivolumab and ipilimumab induces major pathological responses in patients with head and neck squamous cell carcinoma

*Corresponding author for this work
  • Netherlands Cancer Institute
  • Division of Molecular Carcinogenesis, The Netherlands Cancer Institute, Amsterdam, the Netherlands. Cancer Systems Biology Center (CSBC), The Netherlands Cancer Institute, Amsterdam, the Netherlands. The NKI Robotics and Screening Center (NRSC), The Netherlands Cancer Institute, Amsterdam, the Netherlands. [email protected].
  • Erasmus MC
  • Department of General Practice, Erasmus MC, University Medical Center Rotterdam, The Netherlands; Department of Orthopedics, Erasmus MC, University Medical Center Rotterdam, The Netherlands.
  • Neogene Therapeutics, Amsterdam, The Netherlands
  • University of Groningen, University Medical Center Groningen
  • Department of Vascular Medicine, Academic Medical Center, Amsterdam 1105AZ, the Netherlands; Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen 9713ZG, the Netherlands; Department of Pediatrics, University of Groningen, University Medical Center Groningen, Groningen 9713ZG, the Netherlands; Amsterdam Diabetes Research Center,AMC...
  • Amsterdam UMC - University of Amsterdam
  • Maastricht UMC+
  • *Department of Surgery, Maastricht University Medical Center, Maastricht, the Netherlands †NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Center, Maastricht, the Netherlands ‡MHeNs School of Mental Health and Neuroscience, Maastricht University Medical Center, Maastricht, the Netherlands ...
  • Amsterdam UMC - Vrije Universiteit Amsterdam
  • Oncode Institute, 3521 AL, Utrecht, The Netherlands
  • Leiden University Medical Center

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Surgery for locoregionally advanced head and neck squamous cell carcinoma (HNSCC) results in 30‒50% five-year overall survival. In IMCISION (NCT03003637), a non-randomized phase Ib/IIa trial, 32 HNSCC patients are treated with 2 doses (in weeks 1 and 3) of immune checkpoint blockade (ICB) using nivolumab (NIVO MONO, n = 6, phase Ib arm A) or nivolumab plus a single dose of ipilimumab (COMBO, n = 26, 6 in phase Ib arm B, and 20 in phase IIa) prior to surgery. Primary endpoints are feasibility to resect no later than week 6 (phase Ib) and primary tumor pathological response (phase IIa). Surgery is not delayed or suspended for any patient in phase Ib, meeting the primary endpoint. Grade 3‒4 immune-related adverse events are seen in 2 of 6 (33%) NIVO MONO and 10 of 26 (38%) total COMBO patients. Pathological response, defined as the %-change in primary tumor viable tumor cell percentage from baseline biopsy to on-treatment resection, is evaluable in 17/20 phase IIa patients and 29/32 total trial patients (6/6 NIVO MONO, 23/26 COMBO). We observe a major pathological response (MPR, 90‒100% response) in 35% of patients after COMBO ICB, both in phase IIa (6/17) and in the whole trial (8/23), meeting the phase IIa primary endpoint threshold of 10%. NIVO MONO’s MPR rate is 17% (1/6). None of the MPR patients develop recurrent HSNCC during 24.0 months median postsurgical follow-up. FDG-PET-based total lesion glycolysis identifies MPR patients prior to surgery. A baseline AID/APOBEC-associated mutational profile and an on-treatment decrease in hypoxia RNA signature are observed in MPR patients. Our data indicate that neoadjuvant COMBO ICB is feasible and encouragingly efficacious in HNSCC.
Original languageEnglish
Article number7348
Pages (from-to)7348
JournalNature communications
Volume12
Issue number1
DOIs
Publication statusPublished - 1 Dec 2021

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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