TG1101-RMS303 is an open-label, single-arm extension study designed to evaluate long-term safety and efficacy of ublituximab in participants with RMS. Participants who complete the 96-week, double-blind treatment period of TG1101-RMS301 (RMS301 [NCT03277261]) or TG1101-RMS302 (RMS302 [NCT03277248]) are eligible for participation in this Open Label Extension (OLE) study. Participants may also be eligible for TG1101-RMS303 if they have completed Week 208 of TG1101-RMS201E (RMS201E [NCT03381170]) (United States of America [USA] participants only).
The purpose of this study is to evaluate long-term safety and efficacy of ublituximab therapy in participants with relapsing multiple sclerosis (RMS).