Eli Lilly has a battle on its hands in the migraine prevention category with third-to-market CGRP inhibitor Emgality but could get a leg-up with an indication in episodic cluster headache.

That puts Emgality ahead of Teva’s Ajovy (fremanezumab), which picked up a positive opinion from NICE earlier this year but is only recommended for use in chronic migraine sufferers who have 15 ...