Biotechnology Israel’s Teva Pharmaceutical Industries has announced that the final analysis of the pan-European PEARL Phase IV migraine prevention study showed that Ajovy (fremanezumab), an anti-calcitonin gene-related peptide (CGRP) monoclonal antibody, delivered sustained effectiveness over a two-year period in cutting frequency, duration and severity of attacks in chronic and episodic migraine. 25 June 2025