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Prognostic role and clinicopathological features of SMAD4 gene mutation in pancreatic cancer: a systematic review and meta-analysis

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Resumo:Purpose: The prognostic value of SMAD4 in pancreatic cancer has been evaluated in several studies. However, the conclusions remain controversial. Therefore, we aimed to evaluate the prognostic value of the SMAD4 gene in pancreatic cancer to aid in the design of therapeutic strategies. Methods: This review adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) criteria and the proposed methodology was registered on PROSPERO. An electronic search was made in MEDLINE (via PubMed), Web of Science and Google Scholar to identify all relevant studies. Eligible studies were those written in English including patients with Pancreatic Ductal Adenocarcinoma (PDAC), who underwent pancreatic surgery with curative intent and provided data on SMAD4 gene status or SMAD4 protein expression and its association to prognosis, measured by overall survival (OS). The effect measure of interest was the hazard ratio (HR) for OS between PDAC with or without SMDA4 mutations. Results: A total of 24 studies on SMAD4, with 4340 samples, were included in this systematic review and meta-analysis. Our pooled results demonstrated that patients with tumours with SMAD4 alteration had significantly worse prognosis for OS (HR= 1.43, 95% CI = 1.17–1.76, p-value = 0.002). Conclusion: This systematic review and meta-analysis support the use of driver mutations in the SMAD4 gene as a prognostic marker for pancreatic cancer.
Autores principais:Rodrigues, Tânia
Outros Autores:Albuquerque, Joana; Cardoso, Joana; Sousa-Ferreira, Ivo; Martins, João Paulo; Coelho, José Luís Passos
Assunto:Immunohistochemistry Mutation Pancreatic cancer (PDAC) Prognostic SMAD4 gene SMAD4 protein
Ano:2026
País:Portugal
Tipo de documento:artigo de revisão
Tipo de acesso:acesso aberto
Instituição associada:Universidade Católica Portuguesa
Idioma:inglês
Origem:Veritati - Repositório Institucional da Universidade Católica Portuguesa

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