24 studies found for:    Progressive Multifocal Leukoencephalopathy
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Rank Status Study
21 Enrolling by invitation John Cunningham Virus (JCV) Antibody Study of Multiple Sclerosis (MS) Patients With Relapsing Forms of MS Receiving Treatment With Tysabri
Condition: Multiple Sclerosis
Intervention: Drug: Tysabri
22 Completed Pharmacokinetic, Immunological and Biochemical Sample Collection and Analysis of a Tysabri Patient Cohort
Conditions: Multiple Sclerosis;   Relapse
Intervention:
23 Completed Analysis of Lymphocyte Cell Surface Adhesion Marker Expression in Natalizumab Population With Active Control
Condition: Multiple Sclerosis
Intervention:
24 Active, not recruiting Drug Exposure Registry for GSK2248761, an Investigational NNRTI
Condition: Infection, Human Immunodeficiency Virus
Intervention: Drug: GSK2248761

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Indicates status has not been verified in more than two years