Tysabri Use Can Lessen Disability in RRMS Patients, Real-world Study Reports

Treatment with Tysabri (natalizumab) can lessen disability in people with relapsing-remitting multiple sclerosis (RRMS), a large and real-world study found, supporting “confirmed disability improvement” reported in a pivotal clinical trial. Nearly one-quarter of the 5, 384 patients enrolled, particularly those new to treatment, experienced a decrease of at least one…