The present invention relates to tri-substituted glycerol compounds according to formula (I) as described herein for use in the treatment of clinically isolated syndrome, relapsing remitting multiple sclerosis (RR-MS) and/or secondary progressive multiple sclerosis (SP-MS). The tri-substituted glycerol compounds according to formula (I) as described herein may also be used for the treatment of multiple sclerosis patients not adequately responding to interferon therapy. The present invention also relates to a tri-substituted glycerol compound as described herein, for use as a medicament, wherein the tri-substituted glycerol compound is administered in combination with at least one further pharmaceutically active compound.
