Preventing Cancer Recurrence After Esophageal Cancer Treatment

Plain-English translation of NCT03183115 on ClinicalTrials.gov ↗ · Source last updated March 2023 · Translation generated June 2026 · How we translate trials

This study doesn't follow the usual testing phases — it may be an observational study or a different type of research.

What is this trial?

This trial is testing radiofrequency ablation (RFA)—a procedure that uses controlled heat to treat tissue in your esophagus—to prevent cancer from returning after you've had early-stage esophageal cancer removed. You've already had a procedure called endoscopic submucosal dissection (ESD) to remove your cancer. This new treatment aims to reduce the chance that new cancerous spots will develop in the lining of your esophagus over time.

After early esophageal cancer is removed, about half of patients develop new cancerous spots within 5 years. Patients with a particular pattern of pre-cancerous cells in the esophageal lining (called 'speckled' tissue) are at especially high risk. Right now, doctors mainly watch these patients closely with repeated scans, but there's no proven way to stop cancer from coming back—so this trial is testing whether treating the high-risk tissue with heat might prevent that.

Do you qualify?

You likely qualify if…

you are an adult who has been treated with endoscopic submucosal dissection (ESD) for early-stage esophageal squamous cell cancer or dysplasia
your esophagus shows a 'speckled' pattern (more than 10 small spots) when doctors look with a special staining technique
you have no history of incomplete cancer treatment or serious complications like perforation or stricture after your ESD

You likely don't qualify if…

you have had chemotherapy or radiation therapy to your esophagus, or had part of your esophagus surgically removed
you have severe liver disease or large problematic veins in your esophagus
you have a life expectancy of less than 2 years
you have poor overall health status that would prevent you from tolerating the procedure and follow-up care

What participation looks like

If you join the treatment group, you will have the radiofrequency ablation procedure about 3 months after your cancer removal surgery. After the procedure, you'll take an oral steroid medication for 4 weeks to help prevent scarring. You'll then be followed up with regular surveillance endoscopies to watch for any signs of cancer returning. The control group will receive surveillance endoscopies alone without the heat treatment, so researchers can compare how well the treatment works.

Preventing Cancer Recurrence After Esophageal Cancer Treatment

What is this trial?

Do you qualify?

What participation looks like

Trial locations(1 site)