Leukoencephalopathy, Progressive Multifocal - 2 Studies Found
| Active, not recruiting |
: Safety and Effectiveness of Switching Relapsing MS Patients Treated With Natalizumab at Risk for PML to Teriflunomide : Multiple Sclerosis : 2013-10-22 : Drug: teriflunomide 14 mg oral teriflunomide daily O |
| Recruiting |
: Difference in Efficacy of Natalizumab Versus Fingolimod for the Treatment of Multiple Sclerosis : Multiple Sclerosis : 2013-11-04 : Procedure: biological samples and clinical data |