This data visualization makes it easy to zoom in on peer reviewed articles or clinical trial listings describing phase 2, phase 3, and phase 4 (post marketing) clinical trials with a randomized, double-blind control in multiple sclerosis. Included in this "tree map" are pointers to every article and Clinicaltrials.gov listing meeting the above criteria referenced in our Drug Development Pipeline as of June 1, 2014. The published articles describe the major results of 108 clinical trials involving 53,316 patients.