{"title":"Efficacy of first-line immune checkpoint inhibitors for recurrent/metastatic head and neck cancer: a systematic review and meta-analysis.","authors":"Jiuli Zhou, Wenbo Tang, Liqiong Xue","doi":"10.1080/1750743X.2026.2643939","DOIUrl":null,"url":null,"abstract":"<p><strong>Introduction: </strong>Immune checkpoint inhibitors (ICIs) have brought a paradigm shift in recurrent/metastatic (R/M) head and neck squamous cell carcinoma (HNSCC), but their first-line efficacy remains inconsistent. This meta-analysis compared the efficacy of ICIs versus the EXTREME regimen in R/M HNSCC patients.</p><p><strong>Methods: </strong>Randomized controlled trials evaluating the efficacy of ICIs versus EXTREME in R/M HNSCC patients and reporting on programmed death-ligand 1 (PD-L1) expression, overall survival (OS), progression-free survival (PFS), and objective response rate (ORR) were included. Kaplan-Meier curves of OS and PFS were reconstructed; ORR was presented as odds ratios.</p><p><strong>Results: </strong>From an initial pool of 356 studies, three trials were included. In the total population, median OS was similar among ICI monotherapy (11.5 months), dual ICIs (12.5 months), and EXTREME (12.0 months). In the PD-L1 high expression population, ICI monotherapy and dual ICIs demonstrated a trend toward improved OS relative to EXTREME. EXTREME demonstrated better PFS and ORR than ICI monotherapy and dual ICIs in both the total and PD-L1 high expression populations.</p><p><strong>Conclusions: </strong>First-line ICI monotherapy and dual ICIs did not significantly improve OS, PFS, and ORR compared with EXTREME. However, a discernible trend suggested a potential survival benefit for ICIs in patients with high PD-L1 expression.</p>","PeriodicalId":13328,"journal":{"name":"Immunotherapy","volume":" ","pages":"131-138"},"PeriodicalIF":2.3000,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13094272/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Immunotherapy","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1080/1750743X.2026.2643939","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2026/4/14 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"IMMUNOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Introduction: Immune checkpoint inhibitors (ICIs) have brought a paradigm shift in recurrent/metastatic (R/M) head and neck squamous cell carcinoma (HNSCC), but their first-line efficacy remains inconsistent. This meta-analysis compared the efficacy of ICIs versus the EXTREME regimen in R/M HNSCC patients.
Methods: Randomized controlled trials evaluating the efficacy of ICIs versus EXTREME in R/M HNSCC patients and reporting on programmed death-ligand 1 (PD-L1) expression, overall survival (OS), progression-free survival (PFS), and objective response rate (ORR) were included. Kaplan-Meier curves of OS and PFS were reconstructed; ORR was presented as odds ratios.
Results: From an initial pool of 356 studies, three trials were included. In the total population, median OS was similar among ICI monotherapy (11.5 months), dual ICIs (12.5 months), and EXTREME (12.0 months). In the PD-L1 high expression population, ICI monotherapy and dual ICIs demonstrated a trend toward improved OS relative to EXTREME. EXTREME demonstrated better PFS and ORR than ICI monotherapy and dual ICIs in both the total and PD-L1 high expression populations.
Conclusions: First-line ICI monotherapy and dual ICIs did not significantly improve OS, PFS, and ORR compared with EXTREME. However, a discernible trend suggested a potential survival benefit for ICIs in patients with high PD-L1 expression.
期刊介绍:
Many aspects of the immune system and mechanisms of immunomodulatory therapies remain to be elucidated in order to exploit fully the emerging opportunities. Those involved in the research and clinical applications of immunotherapy are challenged by the huge and intricate volumes of knowledge arising from this fast-evolving field. The journal Immunotherapy offers the scientific community an interdisciplinary forum, providing them with information on the most recent advances of various aspects of immunotherapies, in a concise format to aid navigation of this complex field.
Immunotherapy delivers essential information in concise, at-a-glance article formats. Key advances in the field are reported and analyzed by international experts, providing an authoritative but accessible forum for this vitally important area of research. Unsolicited article proposals are welcomed and authors are required to comply fully with the journal''s Disclosure & Conflict of Interest Policy as well as major publishing guidelines, including ICMJE and GPP3.