The purpose of this study is to assess the impact of TMP001 in the treatment of patients with relapsing-remitting multiple sclerosis (RRMS). Therefore the average total number of contrast enhancing lesions (CELs) on brain MRI scans at weeks 12, 16, 20, and 24 during treatment with TMP001 is compared to the average total number of CELs on brain MRI scans at week -4 and baseline in these patients .