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Vasculitis patients wanted for major 5-Year observation study

NCT ID NCT04413331

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study is following 670 adults with vasculitis, a rare blood vessel disease, for up to 5 years. Researchers will collect medical data and blood samples to see how the disease starts, how it is treated, and what long-term problems may arise. No new treatments are being tested—this is purely an effort to learn more about the condition.

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 study could help doctors better predict how vasculitis behaves and which treatments work best for different patients.
What could go wrong
This is an observational study, not a treatment trial. It collects data only, so it cannot directly improve patient health. Results may take years and may not lead to clear changes in care.

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 670 people

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

Started

Jul 2020

Expected to finish

Jul 2032

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

The VASCO study population includes adult patients (no age upper-limit) with vasculitis as defined in the 2012 revised Chapel Hill International Nomenclature, at an active phase of the disease, either the initial flare or a relapse. Patients will be informed by the study investigator during a visit as part of their medical follow-up.

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: * Adult patients (age over 18 years), * Patients with vasculitis, as defined in the Chapel Hill International Nomenclature as revised in 2012, * Patients included at an active phase of the disease, either the initial flare or a relapse, * Patients who have been informed and have signed the consent * Pregnant and breastfeeding women may be included in the study, * Affiliated to a social security system (beneficiary or entitled person). Exclusion Criteria: * Refusal of consent or inability to obtain consent, * A patient who is insane or not entitled, for psychiatric reasons or intellectual impairment, to receive information about the protocol and to give informed consent, * Patient under guardianship / curators * Patient on state medical assistance (AME) * Hemoglobin less than 7 g/dl at the time of sampling, * Hemoglobin level less than 9 g/dl at the time of sampling if the patient has respiratory or cardiovascular disease, * Patient weighs less than 18 kg. * Parallel participation in an interventional protocol is permitted.

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Conditions

The condition(s) this trial relates to.

vasculitis

As listed by the trial registrant

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

Vasculitis

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

    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

  • Service de médecine interne, Hôpital Cochin, AP-HP

    RECRUITING

    Paris, 75014, France

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