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Scientists hunt for clues in the blood to unlock mysterious brain lymphoma

NCT ID NCT07188077

Knowledge-focused Sponsor: Ting YANG 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares blood samples from 20 people with primary central nervous system lymphoma (a rare brain cancer) to samples from people with other types of lymphoma and healthy volunteers. Researchers will look at small molecules (metabolites) and immune cells to find differences that may help diagnose or understand the disease better. No new treatment is given; participants only provide samples and have regular check-ups.

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 20 people

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

Started

Mar 2025

Expected to finish

Mar 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

Hematopoietic stem cell donor

Ages

18 to 75 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: 1. Aged between 18 and 75 years. 2. The case group must have a confirmed diagnosis of primary central nervous system lymphoma (PCNSL) and must not have received any antitumor therapy prior to baseline sample collection. 3. Must sign an informed consent form, agree to participate in this study, and provide samples and clinical information as required. 4. Case group patients must have complete supporting imaging and pathology data. Exclusion Criteria: 1. Presence of other systemic malignancies. 2. Presence of severe infections or metabolic disorders. 3. Use of antimetabolites or chemotherapy drugs within one week prior to sample collection. 4. Pregnant or lactating women. 5. Concurrent severe internal medical conditions (e.g., end-stage renal disease, heart failure, liver failure). 6. Patients unable to complete study requirements due to psychiatric disorders or cognitive impairment.

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Conditions

The condition(s) this trial relates to.

diffuse large B-cell lymphoma primary central nervous system lymphoma

As listed by the trial registrant

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

Diffuse large B-cell lymphoma Primary central nervous system lymphoma (PCNSL)

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

  • The First Affiliated Hospital of Fujian Medical University

    RECRUITING

    Fuzhou, Fujian, China

More trials for these conditions

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