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Could a plasma injection prevent colon Re-Narrowing in Crohn's?

NCT ID NCT06165289

Disease control Sponsor: Sixth Affiliated Hospital, Sun Yat-sen 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether injecting a patient's own platelet-rich plasma (PRP) into the colon after balloon dilation can prevent the colon from narrowing again in people with Crohn's disease. About 74 participants will receive either a high or low concentration of PRP during the procedure. The main goal is to see if this combination reduces the rate of re-narrowing.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
autologous platelet-rich plasma (PRP) injection
What this could lead to
If it works, this could offer a way to reduce the need for repeat procedures or surgery for colon narrowing in Crohn's disease.
What could go wrong
This is a small, early-stage study without a control group, so results may not be conclusive. The benefit of PRP for this use is not yet proven.

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.

Phase

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

About 74 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2024

Expected to finish

Dec 2026

An estimate. End dates often move.

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.

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: * Diagnosed as CD; * Stenosis of the colon was found during colonoscopy, and surgery was not considered for the time being; ③ Narrow length \<5cm; ④ The patients agreed to undergo endoscopic balloon dilatation and voluntarily signed the informed consent to participate in this study, and were capable of complying with the agreement. Exclusion Criteria: * The patient has contraindications for endoscopic therapy, such as coagulation disorder, severe cardiopulmonary dysfunction, active bleeding, and inability to cooperate. * Deep and large active ulcer was found in the stenosis; * \< 18 years old; * Foreign patients; * Patients with a history of malignant tumors, including melanoma (except local skin cancer); * Pregnant or nursing patients; * Patients who could not be followed at all nodes of the primary outcome indicator; Other diseases that researchers believe could put patients at risk; * Other diseases that researchers believe could put patients at risk.

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Conditions

The condition(s) this trial relates to.

Crohn disease

As listed by the trial registrant

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

Crohn disease

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. 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

  • The Sixth Affiliated Hospital, Sun Yat-sen University

    Guangzhou, Guangdong, 510655, China

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