ABSTRACT
OBJECTIVES: With the development of next-generation sequencing (NGS) technologies, DNA sequencing has been increasingly utilized in clinical practice. Our goal was to investigate the impact of genomic evaluation on treatment decisions for heavily pretreated patients with metastatic cancer. METHODS: We analyzed metastatic cancer patients from a single institution whose cancers had progressed after all available standard-of-care therapies and whose tumors underwent next-generation sequencing analysis. We determined the percentage of patients who received any therapy directed by the test, and its efficacy. RESULTS: From July 2013 to December 2015, 185 consecutive patients were tested using a commercially available next-generation sequencing-based test, and 157 patients were eligible. Sixty-six patients (42.0%) were female, and 91 (58.0%) were male. The mean age at diagnosis was 52.2 years, and the mean number of pre-test lines of systemic treatment was 2.7. One hundred and seventy-seven patients (95.6%) had at least one identified gene alteration. Twenty-four patients (15.2%) underwent systemic treatment directed by the test result. Of these, one patient had a complete response, four (16.7%) had partial responses, two (8.3%) had stable disease, and 17 (70.8%) had disease progression as the best result. The median progression-free survival time with matched therapy was 1.6 months, and the median overall survival was 10 months. CONCLUSION: We identified a high prevalence of gene alterations using an next-generation sequencing test. Although some benefit was associated with the matched therapy, most of the patients had disease progression as the best response, indicating the limited biological potential and unclear clinical relevance of this practice.
Subject(s)
Humans , Male , Female , Adolescent , Adult , Middle Aged , Aged , Aged, 80 and over , Young Adult , Genomics/methods , Neoplasms/drug therapy , Neoplasms/genetics , Sequence Analysis, DNA/methods , Disease Progression , Disease-Free Survival , Genomics/trends , Kaplan-Meier Estimate , Molecular Targeted Therapy/methods , Neoplasm Metastasis , Neoplasms/mortality , Neoplasms/pathology , Precision Medicine/methods , Receptor, ErbB-2/antagonists & inhibitors , Reproducibility of Results , Sequence Analysis, DNA/trends , Time Factors , Treatment OutcomeABSTRACT
A consciência de que a prática deve estar fundamentada na postura ética dos profissionais leva à crescente importância de um ensino continuado e aprofundado, que ressalte os valores morais e humanos e o comprometimento social dos estudantes. Buscando adequar-se a esse novo paradigma, estudantes de Medicina da Universidade Federal da Bahia aceitaram a sugestão de criação, em novembro de 2000, de um grupo denominado Academética - Associação de Acadêmicos para o estudo da Ética Médica e Bioética. Os objetivos traçados pela equipe são: continuar o contato com o conteúdo da disciplina Ética Médica, aprofundando e atualizando as discussões acerca de Ética Médica e Bioética, e desenvolver trabalhos ligados a este assunto. As discussões de temas são realizadas através do estudo de artigos, vídeos e estímulo à participação dos estudantes em congressos, palestras e afins. Desta forma, a Academética se constitui em mais uma ferramenta para que os alunos durante a graduação na faculdade de Medicina possam desenvolver o senso crítico e conhecimento acerca de assuntos que englobem a Ética Médica e Bioética.