Clinical Studies Sponsored by Biogen

A Serologic Study to Correlate Beta-IFN NAb Titers to Beta-IFN Induced Biomarker Response in Patients With Multiple Sclerosis

A Study to Find Out How Multiple Doses of BIIB091 Affect the Electrical Activity of the Heart in Healthy Participants

A Study to Find Out How Nusinersen is Processed in the Body When Given Through the ThecaFlex DRx™ System in Adult and Pediatric Participants With Spinal Muscular Atrophy (PIERRE-PK)

Avonex PEN Satisfaction and Patients Experience Clinical Trial

Dose-Finding Safety Study of BIIB014 in Combination With Levodopa in Moderate to Late Stage Parkinson's Disease

A Single-blinded, Controlled, Multi-centre Study of Effects of Exercise in Participants With Multiple Sclerosis

Observational Study to Characterize Real-world Clinical Outcomes With Relapsing-remitting Multiple Sclerosis (RRMS)

Methodology Study of Novel Outcome Measures to Assess Progression of ALS

Functional MRI in Lupus Nephritis

A Study to Determine the Biodistribution, Safety, and Tolerability of a Microdose of Radiolabeled BIIB080 Co-administered With BIIB080 in Healthy Adults

Canadian Multicenter Observational Study of Tysabri in Early Relapsing Remitting Multiple Sclerosis Participants

Canadian Avonex PEN Productivity Study

Dose Escalation Study to Determine the Safety of IFN-Beta Gene Transfer in the Treatment of Grade III & Grade IV Gliomas

MSPT Device Usability Study

Phase 1 Study to Evaluate the PK, Safety, Tolerability of BIIB023 in Chinese, Japanese, and Caucasian Healthy Volunteers

A Multiple-Dose, Open-Label, Phase 1, Pharmacokinetic, Pharmacodynamic, and Safety Study of Avonex® in Chinese Healthy Volunteer Subjects

Genetic Evaluation of Natalizumab-Treated Patients With Progressive Multifocal Leukoencephalopathy

Safety and Efficacy of Natalizumab in Combination With Remicade in the Treatment of Crohn's Disease

Treatment Interruption of Natalizumab

Safety, Tolerability and Effectiveness of Natalizumab in Adolescents With Active Crohn's Disease

CNF2024 (BIIB021) HER2- (QD) HER2+ (BIW w/Herceptin) PK/PD Study

Lumiliximab in Combination With FCR in Subjects With Relapsed Chronic Lymphocytic Leukemia (CLL)

A Multicenter Study to Assess the Effect of Plasma Exchange in Accelerating the Clearance of Natalizumab in Subjects With Multiple Sclerosis (MS)

Treatment of Relapsed Low-Grade or Follicular Lymphoma With Rituximab (Also Known as Rituxan, IDEC-C2B8, IDEC-102)

Scan-Rescan Sub-Study of MS PATHS