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A simple blood test could spot kidney transplant rejection early

NCT ID NCT06351488

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 10, 2026 · Last updated Aug 11, 2026 · Updated 1 time

Summary

This study is testing whether a blood or urine test can detect kidney transplant rejection earlier and more easily than the current standard, which requires a biopsy. The test looks for DNA from the transplanted kidney in the blood or urine, which may increase when rejection occurs. The study involves 319 kidney transplant patients who are already scheduled for a biopsy, and the test results will be compared to the biopsy findings to see if the test is accurate.

What this could mean

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

Active substance
A blood and urine test that looks for DNA from the transplanted kidney to detect rejection early.
What this could lead to
If successful, this could lead to a simple blood or urine test to detect kidney transplant rejection early, potentially reducing the need for invasive biopsies.
What could go wrong
This is an early-stage study, and the test may not be accurate enough to replace biopsies. It is also unclear if the results will apply to all types of rejection.

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

About 319 people

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

Started

Aug 2024

Expected to finish

Jun 2027

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.

Who is studied

Kidney transplant patients eligible for a solid biopsy

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: * Age ≥ 18 ans * Patient living with at least one functioning kidney graft * Summoned to perform a kidney biopsy for cause/indication at the Pitié Salpêtrière Hospital or at the Necker Hospital * Having been informed of the study and not opposing the study * Benefiting from a social security system (excluding AME) Exclusion Criteria: * Under legal protection measure (curatorship or guardianship, under judicial protection).

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Conditions

The condition(s) this trial relates to.

Rejection, Psychology transplant rejection

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.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    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

  • Assistance Publique - Hôpitaux de Paris, Hôpital Necker

    RECRUITING

    Paris, 75013, France

  • Assistance Publique - Hôpitaux de Paris, Hôpital Tenon

    NOT_YET_RECRUITING

    Paris, 75020, France

  • Assistance Publique - Hôpitaux de Paris, Pitié-Salpêtrière hospital

    ACTIVE_NOT_RECRUITING

    Paris, 75013, France

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