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Mapping blood flow after rectal cancer surgery: a step toward safer operations

NCT ID NCT05674097

Knowledge-focused Sponsor: Shandong First Medical University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study involved 89 patients with distal sigmoid or rectal cancer who underwent standard surgery with high ligation of the inferior mesenteric artery. Researchers used CT scans before and after surgery to map blood flow paths and check if their planned routes matched reality. The goal was to better understand how blood flow reorganizes after the procedure, which could help surgeons preserve important vessels in the future.

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 help surgeons better plan blood vessel preservation during rectal cancer surgery, potentially reducing complications.
What could go wrong
This is a small, observational study that only looked at blood flow patterns. It does not test a new treatment or directly improve patient outcomes.

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

89 people

The number who actually took part.

Started

Jun 2020

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

Patients with distal sigmoid colon or rectal cancer and they were received routine laparoscopic surgery.

Ages

39 to 81 years

Sex

Anyone

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: * Clinical diagnosis of distal sigmoid colon or rectal cancer * cTNM stage confirmed as I-III on MRI or CT * Undergoing laparoscopic anterior resection (LAR) Exclusion Criteria: * Arterial phase scanning initiated too early * Unclear anatomic structure on imaging * No postoperative enhanced CT

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Conditions

The condition(s) this trial relates to.

rectal cancer rectal neoplasm sigmoid colon cancer

As listed by the trial registrant

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

IMAGE Rectal cancer Surgery

Contacts and locations

Locations

  • Guoqin LIU

    Jinan, Shandong, 250013, China

More trials for these conditions

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