This clinical trial is focused on studying a condition called Relapsing Remitting Multiple Sclerosis (RRMS), which is a type of multiple sclerosis where patients experience episodes of new or worsening symptoms followed by periods of recovery. The study will compare the effectiveness and safety of two oral medications: Ozanimod and Fingolimod. Ozanimod is being tested in different doses, including 0.23 mg, 0.0575 mg, 0.25 mg, and 1 mg, and is also known by the code name RPC1063. Fingolimod is another medication used to treat RRMS.
The purpose of the study is to determine if Ozanimod is effective compared to Fingolimod in treating children and adolescents with RRMS. Participants will take either Ozanimod, Fingolimod, or a placebo. The study will monitor the rate of MS relapses over a period of two years and will also look at the overall health and any side effects experienced by the participants. The study will include a core phase and an extension phase, where participants who complete the core phase may continue to be monitored in the extension phase.
Throughout the study, participants will undergo regular check-ups to assess their condition and the amount of Ozanimod in their bodies. The study aims to provide valuable information on the safety and effectiveness of these treatments for RRMS in young patients. The estimated end date for the study is July 3, 2036.



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