Receptos radiant on top-line data for Gilenya rival

Receptos jumped 32% in after-hours trading on 9 June after the San Diego-based company said its sphingosine-1-phosphate receptor 1 (S1P1) agonist RPC1063 met the primary endpoint of reduction in MRI brain lesion activity for multiple sclerosis patients enrolled in the Phase II portion of the Phase II/III RADIANCE clinical trial.