ArticleJournal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer2025
Distinct Clinicogenomic Features and Immunotherapy Associations in Pulmonary Sarcomatoid Carcinoma: A Multicenter Retrospective Study.
Article in Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Prevalence of High Programmed Death-Ligand 1 Expression in Pulmonary Sarcomatoid Carcinoma: A Systematic Review and Meta-Analysis.JTO clinical and research reports · 2026Review
- Clinicopathological characteristics and prognosis of pulmonary spindle cell carcinoma: a population-based retrospective study using SEER data.Translational cancer research · 2026Article
- Clinical features and prognostic factors for spinal metastasis from sarcomatoid carcinoma: identifying candidates suitable for surgical intervention.BMC musculoskeletal disorders · 2026Article
- Molecular characteristics, clonal relatedness and surgical outcomes of pulmonary mixed invasive mucinous and non-mucinous adenocarcinoma: a retrospective cohort study.Molecular biomedicine · 2026Article
- Article
- Spatial Profiling Reveals Distinct Molecular and Immune Evolution of Mouse Lung Adenocarcinoma Precancers with or Without Carcinogen Exposure.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- NF1/2 mutations predict favorable benefit from immune checkpoint inhibitor-based therapies over VEGFR/mTOR inhibitors in clear cell renal cell carcinoma.Clinical and experimental medicine · 2026Article
- Article
- Genomic characterization of pulmonary sarcomatoid adenocarcinoma: a paired whole-exome sequencing study of carcinomatous and sarcomatous components.Frontiers in oncology · 2026Article
- Histological transformation into pulmonary sarcomatoid carcinoma from lung adenosquamous carcinoma after radical resection of EGFR gene Exon-21 L858R mutation: a case report and literature review.Frontiers in oncology · 2026Article
- The pathogenesis and therapeutic management of rare pulmonary sarcomatoid carcinoma: a narrative review.Translational lung cancer research · 2025Review
- Article
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Authors and funding
30 authors.
Funding
Abstract
introductionPulmonary sarcomatoid carcinoma (PSC) is a rare NSCLC subtype with poor prognosis. Outcomes to immune checkpoint inhibitors (ICIs) and genomic features in PSC remain underexplored compared with other NSCLC subtypes.
methodsPatients from three institutions and the National Cancer Database (NCDB) with metastatic NSCLC treated with ICI alone or with chemotherapy were identified. Clinicogenomics and treatment outcomes were compared across PSC, lung adenocarcinoma (LUAD), and lung squamous cell carcinoma (LUSC).
resultsWe analyzed 4841 patients including 165 PSC cases treated with ICI-based therapy from three institutions and 201 PSC from NCDB. In MDACC, 65 (4.3%) were PSC, 1138 (75.1%) LUAD, and 312 (20.6%) LUSC. Patients with PSC were older and more likely to present with metastatic disease. In both the MDACC and NCDB cohorts, ICIs resulted in better outcomes for patients with PSC compared with chemotherapy. In these patients, there was no difference in outcome between ICI-monotherapy and ICI-chemotherapy. Across the three institutional cohorts, 37% to 43% of patients with PSC who received ICIs were responders, compared with 26% to 29% in LUAD and 22% to 46% in LUSC (p < 0.05). Improved ICI outcomes in PSC appeared driven by high PD-L1 (≥50% in 73%-77% cases). Among patients with high PD-L1, response rates were similar across histologic subtypes. Conversely, TMB was similar in PSC compared with LUAD or LUSC and was not associated with ICI outcomes. Across cohorts, PSC tumors were enriched for TP53, NF1, NF2, and NRAS, with relative depletion of STK11 and KEAP1 compared with LUAD. Case observation revealed relatively better outcomes to ICI than targeted therapies in patients with PSC with MET exon 14 skipping or KRAS G12C.
conclusionPSC exhibits improved outcomes to ICI relative to other therapies, potentially driven by high PD-L1 expression. Genomic analysis highlights a distinct genomic landscape of PSC when compared with LUAD.
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