Ubrogepant for the treatment of migraine attacks during the prodrome: a phase 3, multicentre, randomised, double-blind, placebo-controlled, crossover trial in the USA

David W. Dodick, Peter J. Goadsby, Todd J. Schwedt, Richard B. Lipton, Chengcheng Liu, Kaifeng Lu, Sung Yun Yu, Lawrence Severt, Michelle Finnegan, Joel M. Trugman