About this trial
Procedural data will be recorded from patients with liver metastases from colorectal cancer who have received at least one course of systemic chemotherapy and who have been assessed by an appropriately constituted MDT (or equivalent) as appropriate to receive irreversible electroporation.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients aged 18 years and over, able to provide informed consent and with histological confirmation of a diagnosis of colorectal cancer from primary tumour.
Liver lesions demonstrating radiological characteristics (on magnetic resonance scan) of colorectal hepatic metastases without requirement for biopsy. In the setting of an intact liver, patients with up to four metastases ≤ 4cm in size are eligible for inclusion. In the setting of proposed resection plus ablation, up to two metastases ≤ 4cm in size. In the setting of recurrence after prior hepatectomy up to two metastases ≤ 4cm in size.
Eastern Co-operative Oncology Group (ECOG) Score ≤ 2.
Rockwood Frailty Score ≤ 3.
Disqualifiers
Patients involved in other research studies.
Inability to give informed consent.
Patients who are pregnant.
Platelet count < 50x109 U/L.
Trial design
Single group
Treatments tested in this trial
Irreversible Electroporation
DeviceIrreversible electroporation (IRE) is a procedure which involves the passage of short intense electrical pulses between probes to destabilize cell membranes by creating "nanopores" which leads to cell destabilisation and cell death. IRE can be used to selectively damage cancerous cells whilst sparing adjacent supporting connective tissue in vessels and bile ducts allowing a more targeted treatment compared to other types of ablation. IRE also avoids the heat-sink phenomenon which compromises the effectiveness of thermal ablation and possibly reduces the risks of biliary injury.
Treatment groups
Trial outcomes
Primary outcomes
Target Tumour Eradication
The percentage of target tumours successfully eradicated 6 months after the initial IRE procedure, according to RECIST and PERCIST criteria.
Secondary outcomes
Complications of IRE: Episode-related complications:
All complications recorded during inpatient stay recorded using Clavien-Dindo and CCI
Complications of IRE: Intervention for local liver-related complications of IRE
Intervention for local liver-related complications of IRE within 12 months of the procedure categorised as radiological, surgical or medical
Oncological outcomes: Local progression at site of IRE-treated lesion
Local progression at site of IRE-treated lesion
Oncological Outcomes: Re-ablation and modality.
Re-ablation and modality.
Sponsors and contacts
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