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Monosialotetrahexosylganglioside Sodium Injection for Prevention Neurotoxicity of mFOLFOX 6 in mCRC

ABSTRACT: The morbidity of colorectal cancer(CRC) is 10%～15% in China.mFolfox6 has become one of the standard regimes for metastatic colorectal cancer (mCRC). Neutropenia and oxaliplatin-induced neurotoxicity are the most common adverse effects which even result in discontinue of chemotherapy, especially for patients suffered from heavily acute neurotoxicity. Monosialotetrahexosylganglioside is a component of membrane of nerve cells. Previous phase II clinical trial showed, it can reduce oxaliplatin-induced neurotoxicity(OIN). But it did not certificated by phase III trial. Investigators designed the phase III trial to investigate the effect and safety of monosialotetrahexosylganglioside Sodium Injection for prevention OIN at colorectal cancer.

DISEASE(S): Neurotoxicity Syndromes,Colorectal Cancer,Colorectal Neoplasms

PROVIDER: 2157874 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:KRAS mutation is a negative predictive factor for treatment with anti-epidermal growth factor receptor (EGFR) antibodies in metastatic colorectal cancer (mCRC). Novel predictive markers are required to further improve the selection of patients for this treatment. Here, we assessed the influence of modification of KRAS by gene copy number aberration (CNA) and microRNAs (miRNAs) in correlation to clinical outcome in mCRC patients treated with cetuximab in combination with chemotherapy and bevacizumab. Formalin-fixed paraffin-embedded primary tumour tissue was used from 34 mCRC patients in a phase III trial, who were selected based upon their good (n=17) or poor (n=17) progression-free survival (PFS) upon treatment with cetuximab in combination with capecitabine, oxaliplatin, and bevacizumab. Gene copy number at the KRAS locus was assessed using high resolution genome-wide array CGH and the expression levels of 17 miRNAs targeting KRAS were determined by real-time PCR. Good response was associated with 12p12.1 copy number loss, even in patients with a KRAS mutation, while copy number gain in wild-type KRAS patients was correlated with a poor response. In KRAS mutated tumours increased miR-200b and decreased miR-143 expression were associated with a good response. In wild-type KRAS patients, miRNA expression did not predict response in a multivariate model. Thus, assessment of KRAS CNA and miRNAs targeting KRAS might further optimize the selection of patients eligible for anti-EGFR therapy. Copy number detection was performed using NimbleScan and Nexus software Formalin-fixed paraffin-embedded primary tumour tissue was used from 34 metastisized colorectal cancer patients in a phase III trial (CKTO 2005-02; ClinTrials.gov NCT00208546) of the Dutch Colorectal Cancer Group (DCCG), who were selected based upon their good (n=17) or poor (n=17) progression-free survival (PFS) upon treatment with cetuximab in combination with capecitabine, oxaliplatin, and bevacizumab.

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Monosialotetrahexosylganglioside Sodium Injection for Prevention Neurotoxicity of mFOLFOX 6 in mCRC

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