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Timing is everything: study links treatment delays to colorectal cancer survival

NCT ID NCT04916054

Knowledge-focused Sponsor: Institut Cancerologie de l'Ouest Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at 227 people with colorectal cancer that had spread to the lining of the belly. Researchers wanted to see if waiting longer between chemotherapy and surgery affected how long patients lived without the cancer coming back. The goal is to find the best timing for treatments to improve survival.

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

227 people

The number who actually took part.

Started

Jun 2021

Finished

Mar 2022

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

Patient with a surgery for peritoneal carcinosis of colorectal origin between 2007 and 2019 * Patients from the Institut de cancérologie de l'Ouest and the CHU of Lyon for the study period 2007-2016 * Patients included in the BIG-RENAPE network between 2016 and 2019

Ages

18 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: 1. Age \>18 years 2. Histological evidence of peritoneal metastases 3. Primary colorectal cancer 4. Surgical cytoreduction CC0 or CC1 Exclusion Criteria: 1. Patient who has not received at least 3 courses of pre and/or post cytoreduction chemotherapy 2. Primitive appendicitis 3. Unknown primitive 4. Patient with incomplete CC2 and/or palliative surgery 5. Patient opposed to the use of their data for research. 6. Isolated local pelvic recurrence. 7. Extraperitoneal metastases not resected or destroyed before or during cytoreduction. 8. Patient opposed to the use of his/her data for research purposes

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Conditions

The condition(s) this trial relates to.

colonic neoplasm colorectal cancer

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Colo-rectal cancer

Contacts and locations

Locations

  • CHU LYON

    Lyon, France

  • Institut de Cancerologie de L'Ouest

    Saint-Herblain, France

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