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Why are more younger adults getting colorectal cancer? a national study digs into the data

NCT ID NCT07763314

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 13, 2026 · Last updated Aug 28, 2026 · Updated 3 times

Summary

This study examines national data from Switzerland to understand trends in early-onset colorectal cancer, which affects people under 50. By analyzing surgical cases from 2003 to 2022, researchers aim to see how common this cancer is, where it occurs, and what short-term outcomes look like after surgery. The findings could shed light on why rates are rising in younger adults and help improve care.

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
This research could help identify patterns in early-onset colorectal cancer, potentially guiding earlier detection and better surgical care for younger patients.
What could go wrong
As a retrospective registry study, it can show associations but not prove causes. Data quality and completeness may vary, and findings may not apply beyond Switzerland.

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.

Participants

73,771 people

The number who actually took part.

Started

Jan 2003

Finished

Mar 2023

Lead sponsor

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.

Who is studied

All patients with colorectal cancer resection in Switzerland between 2003 and 2022.

Ages

15 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: \- All patients with colorectal cancer resection in Switzerland between 2003 and 2022. Exclusion Criteria: * incomplete case documentation * age under 15 years * other hospitals than general or surgical hospitals * no index operation

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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.

Contacts and locations

Locations

  • HOCH Health Ostschweiz, Kantonsspital St.Gallen

    Sankt Gallen, St.Gallen, 9000, Switzerland

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Other studies related to the condition(s) this trial covers.