This study was a double-blind, randomized, multicenter, placebo-controlled, parallel-group study in patients with a diagnosis of chronic inflammatory demyelinating polyradiculoneuropathy and treated with IVIg, corticosteroids, or both therapies prior to study entry. Patients meeting the eligibility criteria were randomly assigned in a ratio of 1:1 to receive oral fingolimod (0.5 mg/day) or matching placebo.
The study consisted of 3 periods: a Screening Period, a Double-blind Treatment Period and a Follow-up Period after discontinuation of study drug treatment. Patients who complete the study will have an option to enter an extension.
