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Surgery With or Without Radiofrequency Ablation Followed by Irinotecan in Treating Patients With Colorectal Cancer That is Metastatic to the Liver

ABSTRACT: RATIONALE: Radiofrequency ablation uses high-frequency electric current to kill tumor cells. Combining radiofrequency ablation with surgery may kill more tumor cells. Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Giving a chemotherapy drug after surgery and radiofrequency ablation may kill any remaining tumor cells. PURPOSE: Phase II trial to determine the effectiveness of surgery with or without radiofrequency ablation followed by irinotecan in treating patients who have colorectal cancer that is metastatic to the liver.

DISEASE(S): Colorectal Cancer,Colorectal Neoplasms,Metastatic Cancer

PROVIDER: 2007147 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Oxaliplatin, Capecitabine, and Bevacizumab Followed By Surgery and/or Radiofrequency Ablation in Patients With Colorectal Cancer

Project description:RATIONALE: Drugs used in chemotherapy, such as oxaliplatin and capecitabine, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Monoclonal antibodies, such as bevacizumab, can block tumor growth in different ways. Some block the ability of tumor cells to grow and spread. Others find tumor cells and help kill them or carry tumor-killing substances to them. Bevacizumab may also stop the growth of tumor cells by blocking blood flow to the tumor. Radiofrequency ablation uses a high-frequency, electric current to kill tumor cells. Giving chemotherapy and bevacizumab before surgery or radiofrequency ablation may make the tumor smaller and reduce the amount of normal tissue that needs to be removed. PURPOSE: This phase II trial is studying how well giving oxaliplatin and capecitabine together with bevacizumab followed by surgery and/or radiofrequency ablation works in treating patients with colorectal cancer that has spread to the liver and cannot be removed by surgery.

| 2035129 | ecrin-mdr-crc

Chemotherapy and Bevacizumab With or Without Radiofrequency Ablation in Treating Unresectable Liver Metastases in Patients With Colorectal Cancer

Project description:RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Monoclonal antibodies, such as bevacizumab, can block tumor growth in different ways. Some block the ability of tumor cells to grow and spread by blocking blood flow. Others find tumor cells and help kill them or carry tumor-killing substances to them. Radiofrequency ablation uses high-frequency electric current to kill tumor cells. It is not yet known if chemotherapy is more effective with or without radiofrequency ablation in treating liver metastases. PURPOSE: This randomized phase II trial is studying combination chemotherapy, bevacizumab, and radiofrequency ablation to see how well they work compared to combination chemotherapy and bevacizumab alone in treating unresectable liver metastases in patients with colorectal cancer.

| 2008036 | ecrin-mdr-crc

Transcriptomics and proteogenomic characterization and immune response reveal imbalanced hepatocellular carcinoma ecosystem induced by incomplete radiofrequency ablation

Project description:We collected 5 pairs of HCC tissues with incomplete radiofrequency ablation before and during surgery, and a total of 10 samples were sequenced for proteome analysis. It was found that some genes had some changes in protein expression due to the thermal ablation effect caused by radiofrequency ablation.

2022-09-16 | PXD036767 |

Microsecond pulsed electric fields induce myocardial ablation by damaging mitochondria

Project description:Catheter ablation is an effective treatment to prevent recurrence of Atrial fibrillation (AF) and can be used to maintain sinus rhythm and improve symptoms of AF, but to some extent it can cause a range of adverse effects associated with catheter ablation. Pulsed electric field is a newer treatment modality to replace catheter ablation for atrial fibrillation due to its fewer side effects. Different from radiofrequency ablation, which destroys diseased myocardial tissue by thermal energy, pulsed electric field ablation achieves the purpose of atrial fibrillation ablation by inducing damage to diseased myocardial cells through irreversible electroporation. However, some experimental parameters and mechanism of pulsed electric fields remain unclear.

2023-11-30 | GSE214387 | GEO

N7-Methylguanosine tRNA modification promotes hepatocellular carcinoma metastasis after insufficient radiofrequency ablation

Project description:Radiofrequency heat ablation is an ideal radical cure for HCC treatment; however, insufficient radiofrequency ablation (IRFA) could lead to a high recurrence rate. N7-methylguanosine (m7G) on tRNAs is a heat-responding modification that is critical for yeast survival under high temperature, while its function and mechanism in HCC recurrence after IRFA are unknown. Here, we found that IRFA significantly up-regulates the level of m7G tRNA modification and its methyltransferase complex components METTL1 and WDR4 in multiple systems including HCC patient-derived xenograft (PDX) mouse, HCC tissues of patients, sublethal-heat-treated models of HCC cell lines and organoids. Functionally, gain- or loss-of function assays showed that METTL1 mediated m7G tRNA modification promotes HCC metastasis under sublethal heat exposure both in vitro and in vivo. Mechanistically, we found that METTL1 and m7G tRNA modification enhance the translation of SLUG and SNAIL in a codon frequency dependent manner under sublethal heat exposure. Overexpression of SLUG and SNAIL rescued the malignant potency of METTL1 knockdown HCC cells after sublethal heat stress. Our study uncovers the important physiological functions of m7G tRNA modification in heat stress responses and HCC recurrence after IRFA and suggests that targeting METTL1-m7G-SLUG and SNAIL axis could be a promising strategy to prevent HCC metastasis after radiofrequency heat ablation treatment.

2022-11-20 | GSE199966 | GEO

Radiofrequency Ablation Followed By Hepatic Artery Chemotherapy in Treating Patients With Colorectal Cancer That Has Spread to the Liver

Project description:RATIONALE: Radiofrequency ablation may be able to shrink or destroy cancer cells. Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Chemotherapy delivered directly into the blood vessels of the liver may prevent new tumors from growing. Combining these therapies may be an effective treatment for colorectal cancer that has spread to the liver. PURPOSE: Phase II trial to study the effectiveness of radiofrequency ablation followed by chemotherapy delivered directly into the blood vessels of the liver in treating patients who have colorectal cancer that has spread to the liver.

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Randomized Phase III Trial of Neoadjuvant HER2 Therapy in Breast Cancer

Project description:<p>This randomized phase III trial studies paclitaxel and trastuzumab with or without lapatinib to see how well they work in treating patients with stage II or stage III breast cancer that can be removed by surgery. Drugs used in chemotherapy, such as paclitaxel, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Monoclonal antibodies, such as trastuzumab, can block tumor growth in different ways. Some block the ability of tumor cells to grow and spread. Others find tumor cells and help kill them or carry tumor-killing substances to them. Lapatinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Giving paclitaxel with trastuzumab and/or lapatinib before surgery may make the tumor smaller and reduce the amount of normal tissue that needs to be removed. It is not yet known which regimen is more effective in treating patients with breast cancer.</p>

| phs001570 | dbGaP

Inflammation induced by incomplete radiofrequency ablation accelerates tumor progression and hinders PD-1 immunotherapy

Project description:Inflammation induced by incomplete radiofrequency ablation accelerates tumor progression and hinders PD-1 immunotherapy

| PRJNA575144 | ENA

Transcriptomics characterization of hepatocellular carcinoma (HCC) after incomplete radiofrequency ablation (iRFA)

Project description:Transcriptomics characterization of hepatocellular carcinoma (HCC) after incomplete radiofrequency ablation (iRFA)

| PRJNA876248 | ENA

Inflammation induced by incomplete radiofrequency ablation accelerates tumor progression and hinders PD-1 immunotherapy

Project description:High-throughput RNA-seq analysis was performed using fresh residual CT26 tumors 3 days after incomplete radiofrequency abaltion (iRFA) as well as control tumors. We ound genes encoding damage-associated molecular patterns molecules (DAMPs), proinflammatory cytokines, chemokines, and genes associated with immunosuppression were overexpressed in the iRFA-treated tumor, indicating iRFA elicits inflammation and induces immunosuppression in residual tumors.

2019-10-02 | GSE138224 | GEO

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