MATRIX: Measuring Neutralizing Antibodies in the Patients Treated With Interferon Beta 1a IM, in Mexico and Colombia

PHASE4CompletedINTERVENTIONAL

Enrollment

180

Participants

Timeline

Start Date

March 31, 2011

Primary Completion Date

October 31, 2011

Conditions

Multiple Sclerosis

Interventions

OTHER

clinical and neurological evaluation

The day of the usual IFN beta 1a IM injection

OTHER

Blood Sample

For evaluation of interferon-related Nab

GENETIC

Blood Sample

genetic evaluation - predisposition to Nab generation

Trial Locations (2)

Research Site, Bogotá

Research Site, León