Pfizer announced its $11.7 billion acquisition of Biohaven Pharmaceuticals, a clinical-stage biopharmaceutical company, on May 10, 2022. This acquisition will grant Pfizer the rights to rimegepant, a dual-acting migraine therapy approved in the United States for acute treatment and episodic prevention of migraine in adults. It is also approved in the European Union for acute treatment of migraine and prophylaxis of episodic migraine.
According to a company press release, this deal will also grant Pfizer the rights to zavegepant, which is on track for US approval in the second quarter of 2022 as an intranasal spray for the acute treatment of migraine; it is also in development as an oral soft gel for chronic migraine prevention. Additionally, Pfizer will acquire a portfolio of five other preclinical calcitonin gene-related peptide (CGRP) assets.
