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CAMBRIDGE, MA, November 30, 2015 – CoLucid Pharmaceuticals, Inc. (NASDAQ: CLCD) today announced that over 50% of the migraine patients needed to complete the Company’s SAMURAI trial, the first of two pivotal Phase 3 clinical trials, have now been randomized. The objective of SAMURAI is to evaluate the efficacy of lasmiditan (100 mg and 200 mg) oral tablets in comparison to placebo two hours following dosing. The primary endpoint is freedom from migraine headache pain and the key secondary endpoint is freedom from the most bothersome associated symptom of migraine (nausea, phonophobia or photophobia).

SAMURAI is a randomized, double-blind, placebo-controlled parallel group study that is expected to randomize 2,225 migraine patients and treat a single migraine in up to 1,483 migraine patients with lasmiditan at approximately 80 U.S. sites. SAMURAI is being conducted under a Special Protocol agreement with the U.S. Food and Drug Administration.