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MS Drug's immune impact revealed in small study

NCT ID NCT06415864

Knowledge-focused Sponsor: Queen Mary University of London Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at how the oral medication cladribine changes different types of immune cells in people with relapsing-remitting multiple sclerosis (RRMS). Ten participants provided blood and spinal fluid samples over 96 weeks to track changes in B cells, T cells, and other immune markers. The goal was to better understand how cladribine works in the body, not to test a new treatment.

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

10 people

The number who actually took part.

Started

Jul 2019

Finished

Jan 2024

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

Relapsing-remitting MS

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Patients with MS who are being treated with oral cladribine at Barts Health NHS Trust will be approached to participate in this study. * Patients must be willing and able to undergo lumbar punctures * Patients who are OCB positive in their CSF (previous diagnostic lumbar puncture) Exclusion Criteria: * Ineligible for oral cladribine under NHS England prescribing guidelines and those participating in MAGNIFY-MS study (cladribine tablets in active MS) * Unsuitable to have a lumbar puncture, for example spinal deformity, tethered cord syndrome or the use of aspirin or anticoagulants, and those unable to comply with study requirements, including frequency of visits and lumbar punctures. * Presence of comorbidities in which the administration of cladribine is contraindicated. * Abnormal baseline investigations (WBC\<3 x 10\*9/l, lymphocytes \<1.0 x 10\*9/l, neutrophil count \<1.5 x 10\*9/l, platelet count \<100 x 10\*9, haemoglobin \<110g/l, LFT\>/3x upper limit of normal of site reference ranges, potassium \<2.8mmol/l or \>5.5mmol/l, sodium \<125 mmol/l, creatinine \>130 umol/l)

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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

  • Barts Health NHS Trust

    London, United Kingdom

More trials for these conditions

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