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Scientists watch immune system reboot after stem cell transplants

NCT ID NCT07346820

Knowledge-focused Sponsor: Umeå University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 follows 65 patients getting stem cell transplants for blood cancers to see how their immune systems rebuild. Researchers will track B cells and antibody responses to vaccines before and after transplant. The goal is to improve vaccination schedules and infection protection for these vulnerable 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.

Participants

About 65 people

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

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Dec 2036

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

Patients who fulfill the inclusion criteria and will receive their stem cell transplantation at the department of hematology at the Umeå university hospital

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. * Willing and able to participate in all parts of the study. * Signed written consent. * Patients with a plasma cell disease of lymphoma that qualify for autologous hematological stem cell transplantation determined by the attending physician OR Patients with a condition for which allogenic stem cell transplantation could be needed and qualify for haematological stem cell transplantation according to the attending physician OR Stem cell donor, donating to a study participant. Exclusion Criteria: * Unable to give informed consent. * Not suitable for participation in the study according to the view of the attending physician. * Previous participation in this trial.

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Conditions

The condition(s) this trial relates to.

lymphoma plasma cell neoplasm

As listed by the trial registrant

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

Receptors, antigen, B-cel Stem cell transplantation, hematopoietic V(D)J recombination

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

  • Umeå university hospital

    Umeå, Sweden

More trials for these conditions

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