Publications by authors named "R Gonzalez Ferreiro"

Article Synopsis
  • The study examines how single-nucleotide polymorphisms (SNPs) in enzyme-coding genes impact the effectiveness and side effects of chemotherapy in colorectal cancer patients receiving fluoropyrimidine-based treatments.!* -
  • It involved analyzing enzyme activity to find correlations with treatment outcomes, drug toxicity, and hypersensitivity reactions in 51 patients.!* -
  • The findings suggest that pharmacogenetics can be used as a predictive tool in oncology, aiding in understanding how patients respond to chemotherapy and their potential for experiencing side effects.!*
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Purpose: Chemotherapy plus anti-EGFR is standard first-line therapy in RAS wild-type (wt) metastatic colorectal cancer (mCRC), but biomarkers of early response are clinically needed. We aimed to define the utility of ctDNA to assess early response in patients with mCRC receiving first-line anti-EGFR therapy.

Experimental Design: Prospective multicentric study of tissue patients with RAS wt mCRC treated with first-line chemotherapy plus cetuximab undergoing sequential liquid biopsies.

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First-line treatment with regorafenib in frail metastatic colorectal cancer (mCRC) patients has shown some benefit. To accurately identify such patients before treatment, we studied blood biomarkers and primary tumor molecules. We unveiled serum microRNAs (miRNAs), single-nucleotide polymorphisms (SNPs) in angiogenic-related genes, and Notch 1 expression as biomarkers associated with response or toxicity.

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Pancreatic ductal adenocarcinoma (PDAC) presents many challenges in the clinic and there are many areas for improvement in diagnostics and patient management. The five-year survival rate is around 7.2% as the majority of patients present with advanced disease at diagnosis that is treatment resistant.

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