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Rare lymphoma transformation under study: what happens when aggressive cancer comes back mild?

NCT ID NCT06822829

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at a rare event where an aggressive lymphoma (DLBCL) comes back as a slow-growing (indolent) lymphoma. Researchers will review medical records of 50 adults to understand how often this happens, what treatments are used, and how well patients do. The goal is to gather information to help guide future care for this uncommon situation.

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 50 people

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

Started

Aug 2024

Expected to finish

Aug 2026

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

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 study will be proposed to patients diagnosed with diffuse large B-cell lymphoma (DLBCL) who have relapsed as indolent B-cell lymphoma, with a histologically confirmed diagnosis of relapse and availability of the histological report. Patients who are still alive will be contacted and informed by the specialist about the study's objectives and will be required to sign a specific informed consent form. For patients lost to follow-up or deceased, a waiver of informed consent has been obtained from the Ethics Committee in accordance with applicable regulations.

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: * Age 18 years or older at the time of diagnosis. * Previous diagnosis of diffuse large B-cell lymphoma with/without a discordant component of indolent B-cell lymphoma, or previous diagnosis of diffuse large B-cell lymphoma transformed from indolent B-cell lymphoma. * First-line treatment for diffuse large B-cell lymphoma. * Histologically documented relapse of indolent B-cell lymphoma, diagnosed between 2010 and 2020. * Availability of the histological report of the relapse. * Availability of clinical and laboratory data related to both the initial diagnosis and relapse. * Availability of follow-up data. * Consent to participate in the study and signing of the specific informed consent form (for living and/or contactable patients). Exclusion Criteria: \- None

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

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

  • Azienda USL IRCCS di Reggio Emilia

    RECRUITING

    Reggio Emilia, Italy

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