ArticleClinical cancer research : an official journal of the American Association for Cancer Research2016
SMARCA4/BRG1 Is a Novel Prognostic Biomarker Predictive of Cisplatin-Based Chemotherapy Outcomes in Resected Non-Small Cell Lung Cancer.
Article in Clinical cancer research : an official journal of the American Association for Cancer Research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 89 papers.
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89 citing papers in PubMed, 143 citations in OpenAlex.
- Clinical-pharmacogenetic models for personalized cancer treatment: application to malignant mesothelioma.Scientific reports · 2017Trial
- Clinicopathological characteristics and therapeutic outcomes in patients with non-small cell lung cancer harboringAnnals of medicine · 2026Article
- SMARCA4, STK11, and KEAP1 co-inactivation associates with poor prognosis and upregulation of the TGF-β pathway in lung adenocarcinoma.Translational oncology · 2026Article
- SWI/SNF-Deficient Sinonasal Carcinomas: A Retrospective Case Series of 17 Patients from a Single Institution.Journal of clinical medicine · 2026Article
- An update on the role of SMARCA4 deficiency in gynecological neoplasms: how and where.Virchows Archiv : an international journal of pathology · 2026Review
- Small intestinal SMARCA4-deficient undifferentiated carcinoma with intussusception: A case report.Oncology letters · 2026Article
- Rare tongue base metastasis from SMARCA4-deficient undifferentiated non-small cell lung carcinoma: a case report.International journal of clinical and experimental pathology · 2026Article
- Therapeutic misalignment averted by clonal evolutionary evidence: molecular confirmation of hepatic metastasis in SMARCA4-deficient non-small cell lung cancer initially misdiagnosed as resectable cholangiocarcinoma.Frontiers in oncology · 2026Article
- Immunotherapy plus chemotherapy improves survival in SMARCA4-deficient NSCLC: a real-world cohort study.Frontiers in immunology · 2026Article
- A case report of thoracic SMARCA4-deficient undifferentiated tumor associated with brain metastases.Frontiers in oncology · 2026Article
- BRG1 (SMARCA4) Status Dictates the Response to EGFR Inhibitors in Wild-Type EGFR Non-Small Cell Lung Cancer.Cancers · 2025Article
- Small bowel metastatic SWI/SNF-deficient undifferentiated carcinoma may be predictive of lung primary-a rare presentation with novel SMARCA2 mutation findings in a study of three cases.Virchows Archiv : an international journal of pathology · 2025Article
- A case report of SMARCA2-deficient and SMARCA4-preserved lung adenocarcinoma diagnosed by pleural effusion cytology.BMC pulmonary medicine · 2025Article
- The role of SMARCA4 in lung cancer.Scientific reports · 2025Review
- Article
- Successful treatment with sintilimab for SMARCA4-deficient non-small cell lung carcinoma: two case reports.Discover oncology · 2025Article
- KRAS mutated NSCLC: past, present, and future directions in a rapidly evolving landscape.The oncologist · 2025Review
- Concurrent SMARCA4-deficient and poorly differentiated adenocarcinomas in separate lung lobes: a case report and literature review.World journal of surgical oncology · 2025Review
- Death-ision: the link between cellular resilience and cancer resistance to treatments.Molecular cancer · 2025Review
- Review
29 more citing papers are in PubMed but not listed here.
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Authors and funding
13 authors at 4 institutions in 3 countries.
Funding
Abstract
purposeIdentification of predictive biomarkers is critically needed to improve selection of patients who derive the most benefit from platinum-based chemotherapy. We hypothesized that decreased expression of SMARCA4/BRG1, a known regulator of transcription and DNA repair, is a novel predictive biomarker of increased sensitivity to adjuvant platinum-based therapies in non-small cell lung cancer (NSCLC). EXPERIMENTAL
designThe prognostic value was tested using a gene-expression microarray from the Director's Challenge Lung Study (n = 440). The predictive significance of SMARCA4 was determined using a gene-expression microarray (n = 133) from control and treatment arms of the JBR.10 trial of adjuvant cisplatin/vinorelbine. Kaplan-Meier method and log-rank tests were used to estimate and test the differences of probabilities in overall survival (OS) and disease-specific survival (DSS) between expression groups and treatment arms. Multivariate Cox regression models were used while adjusting for other clinical covariates.
resultsIn the Director's Challenge Study, reduced expression of SMARCA4 was associated with poor OS compared with high and intermediate expression (P < 0.001 and P = 0.009, respectively). In multivariate analysis, compared with low, high SMARCA4 expression predicted a decrease in risk of death [HR, 0.6; 95% confidence interval (CI), 0.4-0.8; P = 0.002]. In the JBR.10 trial, improved 5-year DSS was noted only in patients with low SMARCA4 expression when treated with adjuvant cisplatin/vinorelbine [HR, 0.1; 95% CI, 0.0-0.5, P = 0.002 (low); HR, 1.0; 95% CI, 0.5-2.3, P = 0.92 (high)]. An interaction test was highly significant (P = 0.01).
conclusionsLow expression of SMARCA4/BRG1 is significantly associated with worse prognosis; however, it is a novel significant predictive biomarker for increased sensitivity to platinum-based chemotherapy in NSCLC. Clin Cancer Res; 22(10); 2396-404. ©2015 AACR.
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