Fewer scopes, same safety: new study challenges colonoscopy norms
NCT ID NCT07328308
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether people who have had large colon polyps removed can safely wait longer for their next colonoscopy. About 760 adults will be split into two groups: one getting the standard schedule (colonoscopy at 6, 18, and 48 months) and another getting a relaxed schedule (at 12 and 48 months). If the relaxed schedule works just as well, it could mean fewer procedures, less stress, and lower healthcare costs.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 760 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jan 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2031
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: * Adults aged 18 years and older * Undergoing pEMR of LNPCPs * Able to provide informed consent and comply with follow-up requirements Exclusion Criteria: * Patients with invasive cancer identified during the index procedure * en bloc resection * Patients unable to attend follow-up colonoscopies due to comorbid conditions * Patients who require additional surgery for polyp removal or other complications
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Conditions
The condition(s) this trial relates to.
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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Rambam Medical Center
Haifa, Israel
More trials for these conditions
Other studies related to the condition(s) this trial covers.