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Gene study seeks clues to Longer-Lasting kidney transplants

NCT ID NCT02555566

Knowledge-focused Sponsor: University Hospital, Rouen 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether certain gene variations affect how well a transplanted kidney works over time. Researchers checked 80 kidney transplant recipients for specific gene markers and measured their kidney function for up to three years. The goal was to find clues that could help improve long-term transplant success.

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

80 people

The number who actually took part.

Start date

Mar 2014

Finished

Dec 2016

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 to 75 years

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: * Patient aged 18 to 75 yo * Caucasian (because of different CYP epoxygenase polymorphisms) * First kidney transplantation performed in Rouen University Hospital after 2000, and at least 12 months before inclusion * Patient having read, understood and approved the informed consent * Efficient contraception in child-bearing aged women * Regular health insurance Exclusion Criteria: * Primary non-function, or allograft loss before 1 year * Previous kidney transplantation * History of psychiatric, psychologic or sensorial disorder preventing the patient from correctly understanding the protocol * History of bilateral arm or forearm arteriovenous fistula * Counter-indication to trinitrin * Insufficient understanding of written or spoken French language * Liberty-deprived patient * Pregnancy or absence of contraception in child-bearing aged women * Patient enrolled in another research protocol within 2 weeks before inclusion

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Conditions

The condition(s) this trial relates to.

Crouzon syndrome-acanthosis nigricans syndrome

As listed by the trial registrant

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

Kidney transplant recipients

Contacts and locations

Locations

  • Rouen University Hospital

    Rouen, 76031, France

More trials for these conditions

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