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Efficacy and Safety of Tislelizumab (BGB-A317) as Neo-Adjuvant Treatment in Patients With Colorectal Cancer

ABSTRACT: This study will evaluate the safety, and tolerability of neo-adjuvant treatment with tislelizumab in participants with early-stage (Stage II-III) Microsatellite Instability-High (MSI-H) or Mismatch Repair Deficient (dMMR) colorectal cancer.

DISEASE(S): Colorectal Cancer,Colorectal Neoplasms

PROVIDER: 2395163 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Tislelizumab for the Treatment of Recurrent Mismatch Repair Deficient Endometrial Cancer

Project description:This clinical trial evaluates the effect of tislelizumab in treating patients with mismatch repair deficient endometrial cancer that has come back (recurrent). Deoxyribonucleic acid (DNA) mismatch repair (MMR) is a system for recognizing and repairing DNA errors and damage. Mismatch repair deficient tumors (dMMR) may have difficulty repairing DNA mutations during replication that may affect tumor’s response to therapy. Immunotherapy with monoclonal antibodies, such as tislelizumab, may help the body’s immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving tislelizumab may help treat patients with mismatch repair deficient endometrial cancer.

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Genome-wide analysis of miRNA levels in colon cancer

Project description:Analysis of miRNA levels found in tissue obtained from proficient mismatch repair (pMMR) TNM stage 2|3|4 colon tumor, deficient MMR (dMMR) colon tumor, and normal colon. miRNA levels obtained from macrodissected colon tumors with > 70% H&E staining were compared with normal colon tissue. Additional comparisons based on mismatch repair status identified by loss of hMLH1 protein and microsattelite instability assay and TNM stage were carried out. This submission provides access to the data discussed in our paper. The supplementary file 'GSE18392_non-normalized_data.txt' file contains non-normalized data for Samples GSM458618-GSM458762.

2010-03-18 | E-GEOD-18392 | biostudies-arrayexpress

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Project description:This is a trial investigating the efficacy and safety of Toripalimab combined with bevacizumab and chemotherapy as neoadjuvant therapy in patients with advanced microsatellite instability-high (MSI-H) or DNA mismatch repair-deficient (dMMR) colorectal cancer.

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IBI310 in Combination With Sintilimab in Patients With DNA Mismatch Repair Deficient (dMMR)/Microsatellite Instability High (MSI-H) Locally-advanced or Metastatic Colorectal Cancer

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The mCRC Patients With pMMR/MSS or dMMR/MSI-H Status Received Palliative Chemotherapy Efficacy and Survival

Project description:Deficient mismatch repair (dMMR) or microsatellite instability high (MSI-H) accounts for 4-5% in metastatic colorectal cancer (mCRC). The efficacy and survival of patients with dMMR/MSI-H status received palliative chemotherapy have not clear yet. In this study, the investigators observed the efficacy and survival of dMMR/MSI-H status mCRC patients received palliative first-line chemotherapy.

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Project description:Approximately 15% of colorectal cancer (CRC) patients present with high levels of microsatellite instability (MSI-H), which is driven by defective mismatch repair (dMMR). While about 20% of MSI-H tumors are associated with the hereditary condition, Lynch syndrome (LS), the majority develop through non-hereditary mechanisms. In recent years, the molecular processes underpinning tumor development in LS patients has been debated, with the longstanding view that dMMR is a secondary process in CRC development of LS patients being questioned. Here, we performed the first multi-omic analysis of normal colon organoids developed from LS and healthy patients to address questions regarding the development of dMMR in LS colon epithelial cells from cancer-free individuals.

2023-06-01 | GSE211221 | GEO

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