ArticleTechnology in cancer research & treatment
Retrospective Insights into the Clinicopathological Features and Treatment Outcomes of Thoracic SMARCA4-Deficient Tumors.
Article in Technology in cancer research & treatment. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- Long-term survival in SMARCA4-deficient undifferentiated lung carcinoma: a case report.AME case reports · 2026Article
- Review
- The role of SMARCA4 in lung cancer.Scientific reports · 2025Review
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
IntroductionThoracic SMARCA4-deficient tumors, which are rare and aggressive malignancies found in the lung or thoracic cavity, present a challenge in treatment standardization. This challenge arises from their resistance to chemotherapy and the absence of targeted therapy options.MethodsThoracic SMARCA4-deficient tumors were identified retrospectively using pathology databases. The clinicopathological characteristics of these tumors are outlined, and the clinical outcomes of advanced patients treated with immune checkpoint inhibitors (ICIs) in combination with chemotherapy and chemotherapy alone are reviewed.ResultsThirty-nine patients had thoracic SMARCA4-deficient tumors, with a median age of 62 years. The cohort consisted of 92.3% males, and 89.7% had a history of smoking. Within this group, 94.9% had stage III/IV disease at diagnosis. SMARCA4-deficient non-small cell lung cancer (SMARCA4-DNSCLC) and SMARCA4-deficient undifferentiated tumors (SMARCA4-DUT) display distinct histological and immunohistochemical features. Thirty-five patients underwent systemic therapy, achieving an ORR of 51.4%, a DCR of 82.9%, and a median OS of 20.9 months. Patients were categorized into chemotherapy (28.6%) and ICIs plus chemotherapy (71.4%) groups. The ICIs plus chemotherapy group exhibited an ORR of 64.0% and a DCR of 96.0%, while the chemotherapy group had an ORR of 20.0% and 50.0%, respectively (
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