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ClinicalTrials.gov 120 recruiting now early-phase tilt #24 of 28,707 conditions

Multiple Sclerosis: early-phase trial registry

120 of 317 indexed Multiple Sclerosis trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #24 of 28,707 conditions by registered trial count.

317 US clinical trials · 120 currently recruiting · #24 of 28,707 conditions by registered trial count

Multiple Sclerosis: 317 US clinical trials tracked, 120 recruiting.

Multiple Sclerosis is the subject of 317 registered US clinical trials on ClinicalTrials.gov, 120 of them currently open to new participants. 41 are in Phase 3-4 (later-stage) and 74 in Phase 1-2 (earlier-stage). The most active sponsor is Biogen, running 13 of these trials.

Enrollment posture brief

Registry condition multiple-sclerosis

OPEN 120 | RECR 38% | LATE 41 | EARLY 74 | RANK #24 | SPON 13

Nearest open-share peer: Multiple Myeloma (38% recruiting · 441 trials)

Acute Myeloid Leukemia51.8%Alzheimer Disease49.7%Multiple Sclerosis (this)38%Type 2 Diabetes36.6%Schizophrenia23.9%
Open-enrollment share among volume-matched conditions near Multiple Sclerosis

Multiple Sclerosis lists 120 open slots (38% of 317 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Multiple Sclerosis on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Multiple Sclerosis recruits in line with its size-band peers.

    120 of 317 indexed trials (37.9%) are open to enrollment, against a 37.1% average across 139 conditions with 100+ trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. Sponsorship of Multiple Sclerosis trials is spread across many organizations.

    Biogen accounts for 13 of 317 trials (4.1%). 142 distinct sponsors appear on at least one study for this condition label.

  3. Typical Multiple Sclerosis enrolment sits around 61 participants.

    Median target enrolment is 61 among the 316 trials that report a genuine target (sentinel values excluded). 181 of those (57.3%) plan for fewer than 100 participants.

  4. Multiple Sclerosis research is mostly interventional.

    231 interventional and 86 observational studies make up this index (72.9% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 141Phase 233Phase 324Phase 417

Open and recent trials

317 total, page 6 of 7

COMPLETED NA 40 participants

Emotion Regulation Skills Training for Individuals With MS and Their Support Partners

Johns Hopkins University

NCT03934489

COMPLETED NA 40 participants

Assistive Device Training in Multiple Sclerosis

Portland VA Medical Center

NCT02408718

COMPLETED Phase 2 40 participants

Antibiotic Treatment Trial Directed Against Chlamydia Pneumonia in Multiple Sclerosis

National Center for Research Resources (NCRR)

NCT00043264

COMPLETED NA 39 participants

Consolidation & Interference in Multiple Sclerosis

Kessler Foundation

NCT02081508

COMPLETED NA 37 participants

MS Symptom Management Study

University of Washington

NCT02474940

COMPLETED NA 36 participants

Pilot Diet Study for Multiple Sclerosis

Icahn School of Medicine at Mount Sinai

NCT02986893

COMPLETED NA 35 participants

Improving Prospective Memory Via Telehealth

Trinity Health Of New England

NCT05129293

COMPLETED Phase 1 35 participants

Exercise as a Strategy to Treat Cognitive Dysfunction in Persons With Multiple Sclerosis

University of California, Los Angeles

NCT01219647

COMPLETED Phase 2 33 participants

31P-MRS Imaging to Assess the Effects of CNM-Au8 on Impaired Neuronal Redox State in Multiple Sclerosis.

Clene Nanomedicine

NCT03993171

COMPLETED NA 33 participants

Feasibility of Remote Exercise Training for Hispanics/Latinos With MS

University of Illinois at Chicago

NCT05998616

COMPLETED NA 32 participants

Effects of a Home Based Walking Program Using Rhythmic Auditory Stimulation in Patients With Multiple Sclerosis

The Cleveland Clinic

NCT02065284

COMPLETED NA 32 participants

Waking Hypnosis in the Treatment of MS-related Fatigue

University of Washington

NCT04429789

COMPLETED NA 31 participants

Pilot Study of Transcranial Direct Current Stimulation (tDCS)

NYU Langone Health

NCT02746705

COMPLETED NA 30 participants

Evaluation of a Web-Based Fall Prevention Program on People With Multiple Sclerosis

Oregon Health and Science University

NCT02885233

COMPLETED NA 30 participants

E-Support Groups in Multiple Sclerosis

Columbia University

NCT03574961

COMPLETED NA 30 participants

Restoration of Walking in Multiple Sclerosis Using Treadmill Training.

US Department of Veterans Affairs

NCT00156676

COMPLETED NA 30 participants

EARLY IFNb-1a and Atorvastatin Combination Therapy of Isolated Clinical Syndrome Suggestive of Multiple Sclerosis

University of North Carolina, Chapel Hill

NCT00137176

COMPLETED NA 30 participants

Melatonin for Sleep in MS

University of California, San Francisco

NCT04035889

COMPLETED Phase 4 30 participants

Natalizumab in Preventing Post-partum Relapses in Multiple Sclerosis

State University of New York at Buffalo

NCT03046251

COMPLETED NA 30 participants

Examining the Effects of Video-game Exercise on Mobility and Brain Plasticity in Individuals With Multiple Sclerosis

Ohio State University

NCT01780792

COMPLETED Phase 4 30 participants

Anesthetic Topical Adhesive (Synera™) to Reduce Injection Pain With Subcutaneous Multiple Sclerosis Medications

Brown, Theodore R., M.D., MPH

NCT01834586

COMPLETED NA 30 participants

Impact Program for Multiple Sclerosis

University of Alabama at Birmingham

NCT05165238

COMPLETED 27 participants

Functional and Physiological Responses to Lokomat Therapy (Pilot Study)

US Department of Veterans Affairs

NCT00883142

COMPLETED Phase 1 25 participants

12-week Safety Evaluation of Oral CS-0777 in Multiple Sclerosis Patients

Daiichi Sankyo

NCT00616733

COMPLETED 25 participants

Ocrelizumab Effects on the Metabolome in MS

Johns Hopkins University

NCT03873389

COMPLETED Phase 2 24 participants

A TSEC for Symptom Management in Menopausal Women With Multiple Sclerosis

University of California, San Francisco

NCT02710214

COMPLETED 24 participants

Meningeal Inflammation on 7T MRI as a Tool for Measuring and Predicting Ocrelizumab Response in Multiple Sclerosis

University of Maryland, Baltimore

NCT03396822

COMPLETED Phase 1 24 participants

Body Weight Supported Treadmill Training in Persons With Multiple Sclerosis

University of Illinois at Urbana-Champaign

NCT01992679

COMPLETED NA 23 participants

Combined Effect of Transcranial Direct Current Stimulation (tDCS) and Physical Activity on Gait and Functional Mobility in Participants With Multiple Sclerosis

NYU Langone Health

NCT03658668

COMPLETED NA 22 participants

Management of Pain in Persons With Multiple Sclerosis

University of Washington

NCT00621374

COMPLETED 22 participants

Medical Marijuana and Its Effects on Motor Function in People With Multiple Sclerosis

Colorado State University

NCT02898974

COMPLETED Phase 4 21 participants

Memantine for Spasticity in MS Patients

University of Rochester

NCT00638027

COMPLETED Phase 4 21 participants

Lubiprostone in Patients With Multiple Sclerosis Associated Constipation

University of Rochester

NCT01236534

COMPLETED NA 20 participants

Tysabri Effects on Cognition and Neurodegeneration in Multiple Sclerosis

University of Chicago

NCT01071512

COMPLETED NA 20 participants

A Wheelchair Propulsion Training Program

Washington University School of Medicine

NCT04009187

COMPLETED Phase 1 20 participants

Safety of RG2077 in Patients With Multiple Sclerosis

National Institute of Allergy and Infectious Diseases (NIAID)

NCT00076934

COMPLETED 20 participants

Experimental Evaluation of Wheelchair-Mounted Robotic Arms

University of South Florida

NCT01652352

COMPLETED NA 20 participants

Cognitive Motor Interference Rehabilitation in Persons With Multiple Sclerosis

University of Illinois at Urbana-Champaign

NCT02274935

COMPLETED NA 20 participants

My MS Toolkit: a Symptom Self-management Program for Multiple Sclerosis

University of Michigan

NCT03708276

COMPLETED 20 participants

The Role of Serum Leptin Levels in Multiple Sclerosis Disease Activity While on Interferon Beta 1a (Rebif) Treatment

University of South Florida

NCT01067573

COMPLETED Phase 1 20 participants

Phase I Study of High-Dose Cyclophosphamide and Total Body Irradiation With T Lymphocyte-Depleted Autologous Peripheral Blood Stem Cell or Bone Marrow Rescue in Patients With Multiple Sclerosis

Northwestern Memorial Hospital

NCT00017628

COMPLETED Phase 4 20 participants

A Pharmacokinetic (PK) Study of Natalizumab (Tysabri) at Steady State

Biogen

NCT00744679

COMPLETED Phase 4 19 participants

Study to Evaluate the Feasibility of [18F]Florbetapir PET for Assessment in MS Patients

Institute for Neurodegenerative Disorders

NCT01767493

COMPLETED Phase 3 19 participants

Comparing Risk and Severity of IRRs in Patients Premedicated With Cetirizine vs. Diphenhydramine Prior to Ocrelizumab

Providence Health & Services

NCT04175834

COMPLETED Phase 1 18 participants

Histaminergic Basis of Central Fatigue in Multiple Sclerosis - A Novel Approach

University of Miami

NCT03266965

COMPLETED NA 18 participants

Effects of Targeted Lower Extremity Joint Training on Multiple Sclerosis (MS) Gait Abnormalities

Mount Sinai Rehabilitation Hospital

NCT00906737

COMPLETED 17 participants

Anti-Inflammatory Type II Monocyte Induction by Glatiramer Acetate (Copaxone) Treatment of Multiple Sclerosis

University of California, San Francisco

NCT00819195

COMPLETED 16 participants

Functional Intermuscular Reduction of Spasticity

University of Oklahoma

NCT04403594

COMPLETED NA 16 participants

Multimodal Exercise Training to Reduce Frailty in People With Multiple Sclerosis

University of Kansas Medical Center

NCT06042244

COMPLETED NA 15 participants

A Pilot Randomized Controlled Trial: CoINTEGRATE

University of Michigan

NCT05732285

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Phase Distribution

PhaseTrial count
Phase 1 41
Phase 2 33
Phase 3 24
Phase 4 17

Named interventions

Most-linked intervention names on Multiple Sclerosis records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Placebo Drug
19 trials
Ocrelizumab Drug
7 trials
Natalizumab Drug
3 trials
Diroximel Fumarate Drug
3 trials
Frexalimab Drug
3 trials
Active tDCS Device
3 trials
Methylprednisolone Drug
3 trials
Acute Intermittent Hypoxia Other
3 trials

US sites by state

Facility locations filed on Multiple Sclerosis trials. A trial with sites in several states counts in each.

California 60 trials
New York 55 trials
Illinois 46 trials
Colorado 44 trials
Massachusetts 37 trials
Florida 36 trials
Ohio 31 trials
Maryland 31 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Multiple Sclerosis page

317 registered trials, 120 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 120 Multiple Sclerosis trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Biogen sponsors the most Multiple Sclerosis trials on record, review their full trial history before evaluating a specific study. See Biogen's trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Multiple Sclerosis condition card totals 317 registered trials; most-linked intervention Placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.