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ClinicalTrials.gov public records Last synced Sep 18, 2026, 2:47 AM EDT

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Showing 1–24 of 107 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: interferon beta-1a Clear all
Not listed No phase listed Observational Accepts healthy volunteers

Comparison of Campath and Rebif Treatment on Cognition in Multiple Sclerosis (MS)

NCT00914758
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
Not listed
Lead sponsor
Washington Neuropsychology Research Group
Other
Eligibility
25 Years to 50 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
7
States / cities
Berkely, California • Lexington, Kentucky • Springfield, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2009 · Synced Sep 18, 2026, 2:47 AM EDT
Completed No phase listed Observational

Assessment of Lesion Activity Analysis in the Avonex- Steroid Azathioprine (ASA) Study

NCT01628315
View directory record Official record
Conditions
Multiple Sclerosis, Relapsing-remitting
Interventions
MRI
Device
Lead sponsor
University at Buffalo
Other
Eligibility
18 Years to 55 Years
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 11, 2016 · Synced Sep 18, 2026, 2:47 AM EDT
Completed No phase listed Observational

Study to Determine if Avonex and Rebif Work Comparably Well in Subjects With Relapsing Multiple Sclerosis

NCT00599274
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Interferon beta-1a
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 50 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
8
States / cities
Los Angeles, California • Walnut Creek, California • Shreveport, Louisiana + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2010 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 3 Interventional Results available

Evaluate the Safe and Effective Use of the Avonex® Single-Use Autoinjector in Multiple Sclerosis Subjects

NCT00828204
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
single-use autoinjector with a prefilled liquid Avonex syringe, Avonex prefilled syringe via manual IM injection, BG9418 (interferon beta-1a)
Device · Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 65 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
16
States / cities
Gilbert, Arizona • Phoenix, Arizona • Maitland, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2014 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 2Phase 3 Interventional

Safety Study of Combination Therapy With Intramuscular Avonex and Oral Cellcept in Patients With Multiple Sclerosis

NCT00223301
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Mycophenolate Mofetil (cellcept)
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 21, 2013 · Synced Sep 18, 2026, 2:47 AM EDT
Completed No phase listed Observational

Pregnancy Exposure Registry for Avonex (Interferon Beta-1a)

NCT00168714
View directory record Official record
Conditions
Prenatal Exposure Delayed Effects, Multiple Sclerosis, Pregnancy
Interventions
BG9418 (interferon beta-1a)
Drug
Lead sponsor
Biogen
Industry
Eligibility
Female only
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 8, 2014 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 3 Interventional Results available

RNF and Betaseron® Tolerability Study

NCT00428584
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis (RRMS)
Interventions
New Formulation of rebif - human interferon beta-1a, Interferon beta -1b
Drug
Lead sponsor
EMD Serono
Industry
Eligibility
18 Years to 60 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Rockland, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 6, 2013 · Synced Sep 18, 2026, 2:47 AM EDT
Terminated No phase listed Observational

An fMRI Study of Treatment Optimization Comparing Two Disease Modifying Therapies Used to Treat Relapsing Remitting Multiple Sclerosis

NCT00398528
View directory record Official record
Conditions
Relapsing-Remitting Multiple Sclerosis
Interventions
Glatiramer acetate, (Copaxone®), IFN-β-1a, (Avonex®)
Drug
Lead sponsor
Neurognostics
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
5
States / cities
Los Angeles, California • Seattle, Washington • Madison, Wisconsin + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2007 · Synced Sep 18, 2026, 2:47 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Safety and Efficacy of Fingolimod in Pediatric Patients With Multiple Sclerosis

NCT01892722
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Interferon beta-1a, Fingolimod, Placebo capsule, Placebo i.m. injection
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
10 Years to 17 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2030
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Avonex to Determine the Effects of Dose Titration on the Incidence of Flu Like Symptoms in Healthy Volunteers

NCT01119677
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Avonex
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 55 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of BIIB019 (Daclizumab High Yield Process) Versus Interferon β 1a in Participants With Relapsing-Remitting Multiple Sclerosis

NCT01064401
View directory record Official record
Conditions
Relapsing-Remitting Multiple Sclerosis
Interventions
BIIB019 (Daclizumab High Yield Process), Interferon beta-1a Placebo, Interferon beta-1a, Daclizumab High Yield Process Placebo
Biological · Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 55 Years
Enrollment
1,841 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
46
States / cities
Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 43 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2016 · Synced Sep 18, 2026, 2:47 AM EDT
Active, not recruiting No phase listed Observational

A Study to Learn More About The Safety of Diroximel Fumarate (VUMERITY®) in Participants Who Took it During Pregnancy And About the Health of Their Babies

NCT05688436
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Diroximel Fumarate, Alemtuzumab, Fingolimod, Glatiramer acetate, Interferon beta, Natalizumab, Ocrelizumab, Ofatumumab, Ozanimod, Peginterferon beta-1a, Ponesimod, Siponimod
Drug · Biological
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
1,178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
1
States / cities
Eden Prairie, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 18, 2026, 2:47 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Avonex 15 Year Long Term Follow-up Study

NCT00525343
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
Biogen
Industry
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Buffalo, New York • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2010 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 2 Interventional Results available

Treatment Interruption of Natalizumab

NCT01071083
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
natalizumab, interferon beta 1-a, methylprednisolone, IV placebo, glatiramer acetate
Drug · Other
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 60 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
20
States / cities
Cullman, Alabama • San Francisco, California • Fort Collins, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2013 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 2 Interventional Results available

Stem Cell Therapy for Patients With Multiple Sclerosis Failing Alternate Approved Therapy- A Randomized Study

NCT00273364
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Hematopoietic Stem Cell Therapy, Standard treatment with a conventional drug
Procedure · Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 55 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Sep 18, 2026, 2:47 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cognitive Effects of Immunomodulatory Drugs in MS

NCT00229502
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
Sharon Lynch, MD
Other
Eligibility
18 Years to 60 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 22, 2012 · Synced Sep 18, 2026, 2:47 AM EDT
Not listed Phase 2 Interventional

A Safety Study of Combination Treatment With Avonex and Placebo-Controlled Dosing of Topamax in Relapsing-Remitting Multiple Sclerosis

NCT00217295
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Avonex and Topamax
Drug
Lead sponsor
Multiple Sclerosis Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 21, 2005 · Synced Sep 18, 2026, 2:47 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

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

NCT01067573
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 17, 2012 · Synced Sep 18, 2026, 2:47 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Interferon-Beta-1a (FP-1201) to Prevent Toxicities After CD19-Directed CAR T-Cell Therapy

NCT05936229
View directory record Official record
Conditions
Recurrent B Acute Lymphoblastic Leukemia, Recurrent B-Cell Non-Hodgkin Lymphoma, Refractory B Acute Lymphoblastic Leukemia, Refractory B-Cell Non-Hodgkin Lymphoma, Recurrent Mantle Cell Lymphoma, Refractory Mantle Cell Lymphoma
Interventions
Interferon Beta-1A, X-Ray Imaging, Echocardiography, Multigated Acquisition Scan, Computed Tomography, Positron Emission Tomography, Lumbar Puncture, Bone Marrow Aspiration, Bone Marrow Biopsy, Biospecimen Collection, Biopsy
Biological · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 2 Interventional

Safety and Efficacy of Avonex in Subjects With Chronic Inflammatory Demyelinating Polyradiculoneuropathy (CIDP)

NCT00099489
View directory record Official record
Conditions
Chronic Inflammatory Demyelinating Polyradiculoneuropathy
Interventions
Interferon Beta-1a
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 75 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
13
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Jacksonville, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2010 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 2 Interventional

Recombinant Human Interferon Beta-1a (Avonex) for the Treatment of Patients With HTLV-1-Associated Myelopathy (HAM)

NCT00001785
View directory record Official record
Conditions
HTLV-I Infection, Spinal Cord Disease, Tropical Spastic Paraparesis
Interventions
Recombinant human interferon beta-1a
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 18, 2026, 2:47 AM EDT
Completed No phase listed Observational

Comparison of Bone Effects With Copaxone and Interferon in Multiple Sclerosis

NCT00490906
View directory record Official record
Conditions
Multiple Sclerosis, Low Bone Density
Interventions
Copaxone, Interferon-beta 1a, Interferon-beta 1b
Drug
Lead sponsor
Nancy Hammond, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
2
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 21, 2014 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 4 Interventional Results available

Evaluation of Patient Retention of Fingolimod vs. Currently Approved Disease Modifying Therapy in Patients With Relapsing Remitting Multiple Sclerosis.

NCT01623596
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
Fingolimod, Disease Modifying therapy
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
881 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
122
States / cities
Cullman, Alabama • Phoenix, Arizona • Sun City, Arizona + 111 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Sep 18, 2026, 2:47 AM EDT
Completed Phase 4 Interventional

EARLY IFNB-1a and Simvastatin Combination Therapy in Clinically Isolated Syndrome Suggestive of Multiple Sclerosis

NCT00146068
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Avonex/Zocor
Drug
Lead sponsor
University of North Carolina
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Sep 18, 2026, 2:47 AM EDT