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DEBIRI

ABSTRACT: Interventions: Hepatic Arterial Chemoembolization using drug-eluting beads loaded with irinotecan (DEBIRI) for Refractory Colorectal Cancer with Liver Metastases.;Colorectal cancer, Liver metastasis, DEBIRI Primary outcome(s): liver-specific progression-free survival Study Design: single arm study, open(masking not used), uncontrolled control, single assignment, treatment purpose

DISEASE(S): Liver Metastasis From Colorectal Cancer

PROVIDER: 2615389 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:Background Hepatic metastases of colorectal cancer (MCC) is quite common and is a major source of morbidity and mortality. There has been evidence to show that hepatic arterial chemoembolisation using DC beads (drug eluting beads, 100-300μm) loaded with irinotecan (DEBIRI) showed improved overall survival when compared to systemic therapy (FOLFIRI), but being larger they have their limitations. New 70-150μm beads are recently available and currently there is limited data concerning its use. Safety of these beads have not been tested in local patients. Hypothesis / Aim To study the safety and pharmacokinetics of the smaller 70-150μm DEBIRI in a pilot study of 5 patients. The smaller 70-150μm beads will be able to deliver a more consistent and higher dose to tumoral tissue with a smaller systemic dose. Being smaller and less embolic, it will also be better tolerated. Patients will also be genotyped for their UGT1A1*28 and UGT1A1*6 polymorphism status as the latter genotypes are associated with decreased clearance of irinotecan and SN-38 in Asian patients. Methods Single centre, pilot study, prospectively recruiting 5 patients with unilobar disease, refractory to systemic chemotherapy The primary endpoints: 1. establish safety and toxicity profile of the irinotecan loaded DEBIRI beads 2. establish pharmacokinetics and systemic exposure of irinotecan and its active metabolite, SN-38. The secondary outcome measurements: 1. the incidence and severity of adverse events, liver function parameters and laboratory abnormalities; 2. response rate, 3. progression free survival 4. overall survival Clinical Significance This treatment modality has the advantage of directly delivering irinotecan to the liver metastases from colorectal cancer. This local mode of drug delivery may result in a higher intratumoral drug concentration and rapid tumour shrinkage leading to downstaging of the hepatic metastatic lesions. These therapeutic outcomes may also downstage patients to hepatic resection.

Project description:Background: * Cancers in other parts of the body often spread to the liver, developing tumors which in many instances cannot be removed with surgery. Liver chemoembolization is a treatment that is routinely performed to control liver tumors in those who cannot have surgery. It has been shown to prolong survival, but does not cure the cancer. During chemoembolization very tiny beads (drug-eluting beads, or DEB) containing chemotherapy drugs (usually doxorubicin) are administered directly into the blood vessels of a liver tumor. The drug within the beads is then released into the tumor whilethe beads temporarily interrupt the tumor s blood supply. * Irinotecan, a drug commonly given intravenously to treat colon cancer, has been given in chemoembolization procedures in four other studies that have shown that the treatment is generally well tolerated. Researchers are interested in determining whether giving the drug irinotecan directly into the liver using drug-eluting beads is not only well tolerated but also provides a larger dose directly to the tumor as determined by tumor and normal liver tissue biopsies. The liver biopsies are an optional portion of the study. Objectives: - To evaluate the safety and effectiveness of chemoembolization with irinotecan for tumors caused by cancer that has spread to the liver. Eligibility: - Individuals at least 18 years of age who have melanoma, colon, or another intra-abdominal cancer that has spread to the liver. Design: * Participants will be screened with a physical examination, medical history, blood tests, tumor imaging studies, and liver biopsies. * Participants will receive up to 3 DEB chemoembolization treatments about 6 weeks apart. * After two treatments, participants will have imaging studies to see if the tumors have shrunk, and those whose tumors have shrunk may have a third treatment. * Multiple liver biopsies may be performed and blood samples will be taken to determine how much drug is in the tumor and the circulation, and to see how the tumor reacts to the drug. * Participants will return for followup visits for up to 1 year....

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DEBIRI

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