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Study of Oxaliplatin/5-FU/Leucovorin Plus Vatalanib Versus Oxaliplatin/5-FU/Leucovorin in Patients With Previously Treated Metastatic Colorectal Cancer

ABSTRACT: The purpose of this study is to compare treatment with oxaliplatin/5-FU/leucovorin plus vatalanib versus oxaliplatin/5-FU/leucovorin plus placebo in patients with colorectal cancer that has spread to other organs and whose disease has worsened after treatment with irinotecan.

DISEASE(S): Rectal Neoplasms,Colon Cancer,Colorectal Cancer,Colorectal Neoplasms,Colonic Neoplasms,Neoplasms

PROVIDER: 2008962 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Study of Oxaliplatin/5-FU/Leucovorin Plus Vatalanib Versus Oxaliplatin/5-FU/Leucovorin in Patients With Metastatic Colorectal Cancer.

Project description:To compare treatment with oxaliplatin/5-FU/leucovorin plus vatalanib versus oxaliplatin/5-FU/leucovorin plus placebo in patients with colorectal cancer that has spread to other organs and are seeking first chemotherapy treatment

| 2008963 | ecrin-mdr-crc

Identification of novel SNP candidates associated with chemo-responsiveness in colorectal cancers

Project description:Identificaiton of novel single-nucleotide polymorphism (SNP) candidates associated with chemo-responsiveness in colorectal cancers using microarray Response rates of 104 colorectal cancer patients to established regiments (FL, CAPE, FLOX, FLIRI) were evaluated by histoculture drug response assay. Affymetrix SNP 5.0 chips were used to determine genotypes of the same colorectal cancer patients. SNPs associated with chemosensitivity to standard regimens were identified by genome-wide association study. FL: 5-FU + Leucovorin; CA: Capecitabine, FLOX: 5-FU + Leucovorin + Oxaliplatin, FLIRI: 5-FU + Leucovorin + Irinotecan

2010-06-01 | GSE16718 | GEO

The Effects of 5-Fluorouracil/Leucovorin Chemotherapy on Cognitive Function in Mice

Project description:5-Fluorouracil (5-Fu) and leucovorin (LV) are often given in combination to treat colorectal cancer. 5-Fu/LV prevents cell proliferation by inhibiting thymidylate synthase, which catalyzes the conversion of deoxyuridine monophosphate to deoxythymidine monophosphate. While 5-Fu has been shown to cause cognitive impairment, the synergistic effect of 5-Fu with LV has not been fully explored. The present investigation was designed to assess how the combination of 5-Fu and LV affect cognition in a murine model. Six-month-old male mice were used in this study; 15 mice received saline injections and 15 mice received 5-Fu/LV injections. One month after treatment, the elevated plus maze, Y-maze, and Morris water maze behavioral tasks were performed. Brains were then extracted, cryosectioned, and stained for CD68 to assay microglial activation and with tomato lectin to assay the vasculature. All animals were able to locate the visible and hidden platform locations in the water maze. However, a significant impairment in spatial memory retention was observed in the probe trial after the first day of hidden-platform training (first probe trial) in animals that received 5-Fu/LV, but these animals showed spatial memory retention by day 5. There were no significant increases in inflammation as measured by CD68, but 5-Fu/LV treatment did modulate blood vessel morphology. Tandem mass tag proteomics analysis identified 6,049 proteins, 7 of which were differentially expressed with a P-value of < 0.05 and a fold change of >1.5. The present data demonstrate that 5-Fu/LV increases anxiety and significantly impairs spatial memory retention.

2022-02-17 | PXD028899 | Pride

High-throughput sequencing analysis of miRNAs expression profiles in the HCT116 colorectal cancer sublines resistant to oxaliplatin (Oxa) or 5-fluorouracil (5-FU).

Project description:In the present study, we investigated miRNA expression changes caused by aquired chemoresistance to 5-FU or Oxa. 40 and 14 miRNAs were detected as differentially expressed in 5-fluouracil- and oxaliplatin-resistant colorectal HCT116 sublines, respectively. Differentially expressed miRNAs determined in the present study could be applied for further development of diagnostic and therapeutic applications for colorectal cancer carcinoma resistant to 5-FU or Oxa.

2019-12-31 | GSE119481 | GEO

Pre-treatment metastatic biopsy with response to 5FU and oxaliplatin therapy

Project description:Pre-treatment metastatic (liver) biopsies were harvested prior to 5-FU and oxaliplatin therapy. CT imaging for response evaluation using WHO criteria was performed every 6 weeks.

2011-10-31 | E-MEXP-3368 | biostudies-arrayexpress

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Project description:FU methane Metagenome

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SILAC-Based Quantitative Proteomics Identifies Multifactorial Mechanism of Oxaliplatin Resistance in Pancreatic Cancer Cells

Project description:Oxaliplatin is a commonly used chemotherapeutic drug for the treatment of pancreatic cancer. Understanding the cellular mechanisms of oxaliplatin resistance is important for developing new strategies to overcome drug resistance in pancreatic cancer. In this study, we performed a stable isotope labelling by amino acids in cell culture (SILAC)-based quantitative proteomics analysis of oxaliplatin-resistant and sensitive pancreatic cancer PANC-1 cells. We identified 107 proteins whose expression levels changed between oxaliplatin-resistant and sensitive cells, which were involved in multiple biological processes, including DNA repair, drug response, apoptotic signalling, and the type 1 interferon signalling pathway. Notably, myristoylated alanine-rich C-kinase substrate (MARCKS) and wntless homolog protein (WLS) were upregulated in oxaliplatin-resistant cells compared to sensitive cells, as confirmed by qRT-PCR and Western blot analysis. We further demonstrated the activation of AKT and β-catenin signalling (downstream targets of MARCKS and WLS, respectively) in oxaliplatin-resistant PANC-1 cells. Additionally, we show that the siRNA-mediated suppression of both MARCKS and WLS enhanced oxaliplatin sensitivity in oxaliplatin-resistant PANC-1 cells. Taken together, our results provide insights into multiple mechanisms of oxaliplatin resistance in pancreatic cancer cells and reveal that MARCKS and WLS might be involved in the chemotherapeutic resistance in pancreatic cancer.

2021-09-09 | PXD021251 | Pride

Study of Enzastaurin With 5-Fluorouracil/Leucovorin (5-FU/LV) Plus Bevacizumab as Maintenance Regimen Following First Line Therapy for Metastatic Colon Cancer

Project description:This study will evaluate the addition of enzastaurin to 5-FU (5-fluorouracil)/LV (leucovorin) plus bevacizumab in the maintenance of best response obtained with 6 cycles of first-line therapy consisting of 5-FU/LV + oxaliplatin (FOLFOX) or 5-FU/LV + irinotecan (FOLFIRI), plus bevacizumab in patients with Metastatic Colorectal Cancer.

| 2050435 | ecrin-mdr-crc

Oxaliplatin, 5-FU and Leucovorin in Combination With Oral Capecitabine for Metastatic Colorectal Cancer

Project description:The combination of oxaliplatin, 5-FU, leucovorin, and capecitabine is hypothesized to retain and potentially improve upon the activity of the FOLFOX regimens. Additionally, the use of an oral rather than an infusional 5-fu regimen represents a clear advantage in terms of both patient convenience and lack of associated catheter-related complications.

| 2019898 | ecrin-mdr-crc

Differentially expressed genes between oxaliplatin-resistant and oxaliplatin-non-resistant patient samples [Clinical samples-RNA-seq]

Project description:To identify key drivers of oxaliplatin resistance, we collected and analyzed the DEGs between oxaliplatin-resistant and oxaliplatin-non-resistant patient samples

2023-02-28 | GSE206501 | GEO

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