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Leftover surgery tissue could unlock secrets of hardening arteries and bones

NCT ID NCT04753593

Knowledge-focused Sponsor: Centre Hospitalier Universitaire, Amiens 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study uses leftover tissue from heart and orthopedic surgeries to learn more about how calcification (hardening) happens in bones and blood vessels. Researchers will grow cells from these tissues in the lab to study the process. The goal is to better understand the disease, not to test a new treatment.

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 research could help scientists understand how calcification happens in bones and blood vessels, potentially pointing toward new treatments.
What could go wrong
This is a basic science study using leftover tissue, not a treatment trial. It is very early and may not lead directly to any new therapy.

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 200 people

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

Started

Jan 2021

Expected to finish

Jun 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.

Who is studied

The aortic wall and aortic valve discarded specimens will come from the Cardiac Surgery department of Amiens Picardie CHU. The bone and peri-bone discarded specimens will come from the orthopedic surgery services of the CHU Amiens-Picardie. The collection of samples and their use is part of various projects carried out by research project leaders supported by the laboratory MP3CV (CURS, site CHU sud, Amiens). No genomic analysis is planned for these samples. None clinical data is associated with the interpretation of data collected through the work that will be carried out from these human tissue samples. There are no collections per se, the samples collected are pseudonymized.

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: * Patients undergoing surgery in the Cardiac Surgery and Orthopedic Surgery departments of the CHU Amiens-Picardie * patients who will be beforehand informed * patients who will not be opposed to this study. Exclusion Criteria: * HIV and hepatitis positive patients

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Conditions

The condition(s) this trial relates to.

calcinosis osteoblastoma Vascular Calcification

As listed by the trial registrant

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

Osteoblast Vascular calcification

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

  • CHU Amiens

    RECRUITING

    Amiens, 80480, France

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