Biopsy after ablation: a new way to catch hidden cancer?
NCT ID NCT04143516
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing whether taking a needle biopsy right after a tumor ablation procedure for liver metastases can detect cancer cells that survived the treatment. The results could help doctors decide if more treatment is needed right away. The study also looks at imaging and genetic markers to improve future care. About 200 adults with liver metastases that are small (3 cm or less) and show up on a PET scan are being enrolled.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could improve how doctors decide on retreatment after liver tumor ablation, potentially leading to better outcomes for patients with liver metastases.
- What could go wrong
- This is an early-to-mid-stage trial with only 200 participants. The biopsies carry risks like bleeding or infection, and the findings may not apply to all patients or tumor types.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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About 200 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2019
- Expected to finish
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Oct 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Diagnosis of liver metastases from various primary tumors * Confined liver disease or limited extrahepatic disease stable/controlled for at least 4 months (extrahepatic disease amenable to treatment is allowed) * Lesions of ≤3 cm in maximum diameter * At least one FDG-avid lesion to be treated\*\*\* * INR \< 1.5\* * Platelet count ≥ 50,000 Exclusion Criteria: * Age \< 18 * Less than 5 mm distance to a structure (GI or biliary tract), that cannot be protected from ablation injury with technical modifications such as hydro or air dissection * INR \> 1.5 that cannot be corrected with fresh frozen plasma \*\* * Platelet count of \<50,000 that cannot be corrected with transfusion * More than 3 tumors in the liver * More than 5 tumors of extrahepatic disease (including mediastinal nodes and pulmonary nodules, abdominal or other lymph nodes, and bone metastasis) * Presence of any peritoneal Carcinomatosis * For patients on Coumadin, general clinical guidelines for IR ablation will be followed. * For patients with no FDG-PET avid tumors aim 2 of the protocol will not be assessed
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Memorial Sloan Kettering Cancer Center
RECRUITINGNew York, New York, 10065, United States
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