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Evaluation of the efficacy of XELOX(L-OHP: 100mg/m2)+Bevacizumab for patient with metastatic or recurrent Colorectal Cancer as first-line chemotherapy

ABSTRACT: Interventions: Capecitabine plus oxaliplatin(L-OHP: 100mg/m2) with bevacizumab Primary outcome(s): Response Rate Study Design: Single arm Non-randomized

DISEASE(S): Colorectal Cancer

PROVIDER: 2623078 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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L-OHP resistant gastric cancer organoid

Project description:The attainment of drug resistance in gastric cancer (GC) is a problematic issue. Although many studies have shown that cancer stem cells (CSCs) play an important role in the acquisition of drug resistance, there is no clinically available biomarker for predicting oxaliplatin (L-OHP) resistance in relation to CSCs. Organoid technology, a novel 3D cell culture system, allows harboring of patient-derived cancer cells containing abundant CSCs using niche factors in a dish. In this study, we established L-OHP-resistant gastric cancer organoids (GCOs) and evaluated their gene expression profile using microarray analysis. We validated the upregulated genes in the L-OHP-resistant GCOs compared to their parental GCOs to find a gene responsible for L-OHP resistance by qRT-PCR, immunohistochemistry, in vitro, and in vivo experiments. We found myoferlin (MYOF) to be a candidate gene through microarray analysis. The results from cell viability assays and qRT-PCR showed that high expression of MYOF correlated significantly with the IC50 of L-OHP in GCOs. Immunohistochemistry of MYOF in GC tissue samples revealed that high expression of MYOF was significantly associated with poor prognosis, T grade, N grade, and lymphatic invasion, and showed MYOF to be an independent prognostic indicator, especially in the GC patients treated with platinum-based chemotherapy. The knockdown of MYOF repressed L-OHP resistance, cell growth, stem cell features, migration, invasion, and in vivo tumor growth. Our results suggest that MYOF is highly involved in L-OHP resistance and tumor progression in GC. MYOF could be a promising biomarker and therapeutic target for L-OHP-resistant GC cases.

2024-12-25 | GSE280740 | GEO

L-OHP resistant gastric cancer organoid

Project description:L-OHP resistant gastric cancer organoid

| PRJNA1180444 | ENA

A randomized phase III study of oxaliplatin based chemotherapy versus combination chemotherapy of TS-1,irinotecan and bevacizumab as first line therapy for unresectable or recurrent colorectal cancer

Project description:Interventions: arm A-1:mFOLFOX6+Bevacizumab Bevacizumab 5mg/kg/bi-week L-OHP 85mg/m2/bi-week l-LV 200mg/m2/bi-week 5-FU/bolus 400mg/m2/bi-week 5-FU/infusional 2,400mg/m2/bi-week arm A-2: CapeOX+Bevacizumab Bevacizumab 7.5mg/kg/tri-week L-OHP 130mg/m2/tri-week Capecitabine 1200-2100mg/twice/day(day 1-15) arm B-1:TS-1/CPT-11+Bevacizumab(SIRB) Bevacizumab 7.5mg/kg/tri-week CPT-11 150mg/m2/tri-week S-1 40-60mg/twice/day(day1-15)/tri-week arm B-2:TS-1/CPT-11+Bevacizumab(IRIS/BV) Bevacizumab 5mg/kg/(day1and15)/4-weeks CPT-11 100mg/m2/(day1and15)/4-weeks S-1 40-60mg/twice/day(day1-15)/4weeks Primary outcome(s): Progression free survival(PFS) Study Design: Parallel Randomized

| 2623247 | ecrin-mdr-crc

Phase II study of neoadjuvant chemotherapy with L-OHP and S-1 for locally advanced colorectal cancer with lymph node metastases

Project description:Interventions: S-1 80mg/m2/day for 14 days plus L-OHP 100mg/m2 on day 1 every 21 days is administered for 3 course. After treatment, response rate is evaluated. Surgical operation is performed. Primary outcome(s): Response rate Study Design: Single arm Non-randomized

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Ribo-seq of human colorectal cancer cell line HCT116/L-OHP against HCT116

Project description:Oxaliplatin (L-OHP) serves as a standard chemotherapy for colorectal cancer, while the drug resistance is still a considerable challenge. Dysregulation of lncRNA is involved in cancer and recent translatomics has found some alleged lncRNA actually contained small open reading frames and could encode short peptides. This ribosome footprint profiling (Ribo-seq) was a paired-end sequencing and aimed to investigate whether lncRNA could regulate oxaliplatin resistance in colorectal cancer by encoding short peptides.

2021-11-12 | E-MTAB-10805 | biostudies-arrayexpress

RNA-seq of human colorectal cancer cell line HCT116/L-OHP against HCT116

Project description:Oxaliplatin (L-OHP) serves as a standard chemotherapy for colorectal cancer, while the drug resistance is still a considerable challenge. A number of previously unknown transcripts have been identified in recent years, the vast majority of which are considered long non-coding RNA (lncRNA). Dysregulation of the lncRNA is involved in the genesis and progression of cancer. This RNA-seq was a paired-end sequencing and aimed to investigate the expression profile of lncRNA associated with oxaliplatin resistance in colorectal cancer.

2021-11-12 | E-MTAB-10806 | biostudies-arrayexpress

Feasibility study of adjuvant chemotherapy with FOLFOX(or XELOX) for 3 months followed by oral anticancer drug for 3 months in patients with completely resected colorectal cancer

Project description:Interventions: mFOLFOX6 therapy(or XELOX therapy) for 3 months followed by capecitabine for 3 months mFOLFOX6 therapy Day1 L-OHP 85mg/m2,l-LV 200mg/m2 Day1 bolus 5FU 400mg/m2 Day1~2 Infusional 5FU 2400mg/m2 XELOX therapy Day1 L-OHP 130mg/m2 Day1~14(b.i.d. at the end of meal) capecitabine 2000mg/m2/day Capecitabine therapy Day1~14(b.i.d. at the end of meal) Capecitabine 2500mg/m2/day Primary outcome(s): Frequency and Grade of peripheral neuropathy(CTCAE v4 and PNQ) Study Design: Single arm Non-randomized

| 2620377 | ecrin-mdr-crc

Recurrent breakpoint genes in colorectal cancer

Project description:In this study our aim was to document recurrent DNA copy number aberration associated breakpoints in primary tumors of colorectal cancer patients that ultimately received systemic treatment in the context of metastatic disease. Such data can be used to catalogue copy number aberration associated breakpoints and thereby affected genes. To this end, high quality arrayCGH data set of clinically well annotated colorectal cancer specimens was generated using FFPE tumor samples from patients from two phase III clinical trials, namely CAIRO and CAIRO2. arrayCGH data of colorectal cancers of patients from 2 clinical trials. 108 patients were treated with capecitabine first line, 110 patients were treated with capecitabine and irinotecan first line and 134 patients were treated with capecitabine, oxaliplatin and bevacizumab.

2014-11-14 | E-GEOD-63216 | biostudies-arrayexpress

Evaluation of the reintroducing FOLFOX or XELOX +/- BV in relapsed colorectal cancer patients treated with oxaliplatin as adjuvant chemotherapy.(REACT study)

Project description:Interventions: FOLFOX +/- BV therapy L-OHP:85mg/m2 5-FU(bolus):400mg/m2 l-LV:200mg/m2 5-FU(infusion):2,400mg/m2 +/- BV:5mg/m2 XELOX +/- BV therapy L-OHP:130mg/m2 Cape:2,000mg/day +/- BV:7.5mg/m2 Primary outcome(s): response rate disease control rate Study Design: Single arm Non-randomized

| 2621954 | ecrin-mdr-crc

Randomized Phase II study of Bevacizumab with SOX versus Bevacizumab with XELOX as second-line therapy in metastatic colorectal cancer which has prior therapy of S-1 and CPT-11

Project description:Interventions: SOX+Bevacizumab Bevacizumab 7.5mg/kg/triweekly L-OHP 130 mg/m2/triweekly TS-1 80,100,120 mg/twice/day 1-14, following one week off XELOX+Bevacizumab Bevacizumab 7.5mg/kg/triweekly L-OHP 130 mg/m2/triweekly Capecitabine 2400-4200 mg/twice/day 1-14, following one week off Primary outcome(s): Progression-free survival (PFS) Study Design: Parallel Randomized

| 2622332 | ecrin-mdr-crc

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