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MS t cell study pulled before starting

NCT ID NCT04789551

Knowledge-focused Sponsor: Boston Children's Hospital 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study aimed to compare T cell populations between people with multiple sclerosis and healthy controls to better understand which immune cells attack the nerves. It was withdrawn before enrolling any participants, so no results are available. The goal was to learn more about how MS occurs and possibly prevent it in the future.

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.

Expected to start

Dec 2025

An estimate. Start dates often move.

Expected to finish

Dec 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

Patients with Multiple Sclerosis who present to Boston Children's Hospital will be enrolled. A group of healthy control patients who present for elective surgery at Boston Children's Hospital will also be enrolled.

Ages

13 to 20 years

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.

MS Group Inclusion criteria -diagnosis of multiple sclerosis and present to the neurology clinic for a regular checkup or are admitted to the inpatient floor with acute symptoms. Exclusion criteria * Have an active infection * Take T cell modulating drugs Control Group Inclusion criteria -scheduled for elective surgery * without any immunological diseases. Exclusion criteria * Have an active infection.

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Conditions

The condition(s) this trial relates to.

multiple sclerosis

As listed by the trial registrant

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

Multiple sclerosis

Contacts and locations

Locations

  • Boston Children's Hopsital

    Boston, Massachusetts, 02115, United States

More trials for these conditions

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