Study Status: Not yet recruiting
Recruit Status: Not yet recruiting
Study Type: Interventional
Official Title: A Multicenter, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Efficacy and Safety of ISIS 546254 for Preventive Treatment of Chronic Migraine
Brief Summary: The purpose of this study is to evaluate the safety, tolerability, and changes in the number of migraine and headache days with repeated subcutaneous administration of IONIS-PKKRx (ISIS 546254) or placebo in subjects with chronic migraine.