. .star .cancel .: "arise: a phase 3 randomized trial of erenumab for episodic migraine." .schneider said that he is hoping to conduct a subsequent study of 15 to 20 pregnancies and that he is encouraged by these results. . http://lm360.us/Brogan-neighbour-of-Bambhrolia-from-Toronto?Duchonmot=259 . . march 2014 (16) . november 2009 (20) . . . .over years of research, scientists discovered that cgrp helps transmit pain signals in the brain. .