Patients with symptoms of spasticity not due to MS.

Patients taking three or more different anti-spasticity medications.

Acute MS exacerbation requiring treatment within 3 months of the Screening Visit.

Initiation of, or the discontinuation of interferon beta or any other disease modifying therapy for MS within 3 months of the Screening Visit.

Use of baclofen pump at any time.

Wheelchair or bed-bound patients.

Efficacy of 5 Weeks of Treatment With BGG492 in Patients With Spasticity Due to Multiple Sclerosis