Study of Intra-Arterial Oxaliplatin Plus Capecitabine to Treat Liver Metastases From Colorectal Cancer
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- STATUS
- Recruiting
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- days left to enroll
- 52
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- participants needed
- 95
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- sponsor
- AllVascular
Summary
The treatment proposed in this trial is to administer intra-arterial chemotherapy to liver metastases from colorectal cancer when the blood flow to and from the liver has been isolated via balloon catheters through a vascular access system called the AVAS. The objective of this study is to evaluate the tumour response of repeated and isolated intra-arterial liver isolation oxaliplatin compared with the standard systemic chemotherapy (intravenous 5-FU + leucovorin + oxaliplatin [FOLFOX] or oral capecitabine with IV oxaliplatin [XELOX]).
Description
The treatment proposed in this study is based on the hypothesis that direct arterial infusion of chemotherapy to metastatic tumours of the liver whilst the blood flow to the organ is isolated could potentially yield benefits that cannot be achieved with existing treatment regimens.
There are three treatment stages; implantation of a vascular access device (known as the AVAS), intra-arterial liver isolation oxaliplatin (LIOX) infusions and explantation of the AVAS.
Implantation: the participant is admitted to hospital and the AVAS is surgically implanted under general anaesthetic. The AVAS is an implantable large bore cannula with one end that can be anastomosed directly onto a peripheral vessel and the opposite end exiting the patient's skin. The device can be opened to access the patient's vasculature when required and closed when the device is not in use. In accordance with the manufacturer's Instructions-For-Use (IFU), the AVAS will be implanted in the axillary artery (i.e. the upper pectoral area) or in the common femoral artery (upper thigh) by a surgeon experienced in vascular disease. The implantation procedure takes around 2 hours. After implantation, the participant is monitored overnight.
Intra-arterial LIOX infusions: the participant is admitted to the angiography suite and under general anaesthetic or conscious sedation, intra-arterial hepatic isolation chemotherapy infusion is administered by an interventional radiologist. The first infusion can be administered 2 days after device implantation and infusions are spread out over an 8-week period at a maximum such that the patient receives 5 to 7 infusions in total, has at least 2 full calendar days between each infusion, and there are no more than 2 infusions over any 7 consecutive days. Each infusion can take between 2-3 hours during the first few infusions but should only take 1-2 hours for the remaining infusions as the radiologist becomes familiarised with the patient's vascular anatomy.
During the Phase Ib stage, the starting dose of the oxaliplatin infused will be 50mg/m^2 and this dose will be escalated by 10mg/m^2 with each patient until an optimal dose is established. The optimal dose will be used for all patients enrolled during the Phase II stage.
Explantation: the final infusion session is followed by the device explantation immediately, or at a later time depending on the availability of operating rooms and the condition of the participant. The surgical removal of the device takes approximately 1-2 hours, the participant is monitored overnight and discharged the next day.
In addition, capecitabine will be administered orally as per standard care (1000 mg/m^2 twice daily in 2 week cycles) throughout the study treatment period (from enrolment to 4 weeks after the AVAS explantation) as a form of systemic disease management. The oncologist may modify the capecitabine dose/frequency based on the patient's response to the medication.
Details
| Condition | Liver Metastasis Colon Cancer |
|---|---|
| Treatment | Intra-arterial LIOX + Capecitabine |
| Clinical Study Identifier | NCT04701281 |
| Sponsor | AllVascular |
| Last Modified on | 8 November 2021 |
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