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Tiny blood cells could hold key to brain tumor treatment

NCT ID NCT05049148

Knowledge-focused Sponsor: Fondation Ophtalmologique Adolphe de Rothschild 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether platelets—small blood cells that help with clotting—are found inside brain and spinal cord tumors. Researchers want to see if the presence of platelets in these tumors is linked to how long patients survive. The study will involve 50 adults who are having surgery to remove or biopsy a brain or spinal cord tumor. The goal is to better understand the tumor environment and possibly find new targets for therapy.

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 this study finds that platelets are important in brain tumor growth, it could point toward new ways to improve cancer treatments.
What could go wrong
This is a small, early observational study with only 50 people. It is not testing a treatment, so it may not lead to any direct benefit for patients.

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 50 people

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

Started

Oct 2022

Expected to finish

Oct 2029

An estimate. End dates often move.

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

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: * Patient to undergo excision or biopsy of a brain or medullary tumor * Patient over 18 years old * Express consent to participate in the study * Affiliate member of the Social Security system Exclusion Criteria: * Tumor sample volume not allowing the performance of additional analyzes * Patient benefiting from a legal protection measure * Pregnant or breastfeeding woman

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Conditions

The condition(s) this trial relates to.

blood platelet disease brain cancer brain neoplasm central nervous system cancer glioma Inflammation inflammatory disease spinal cord neoplasm

As listed by the trial registrant

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

Blood platelets Brain neoplasms GLIOMA Inflammation

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

  • Fondation A De Rothschild

    RECRUITING

    Paris, France

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