Following a clinical hold last October of Intellia Therapeutics Inc.’s Magnitude and Magnitude-2 phase III trials of CRISPR/Cas9 gene editing therapy nexiguran ziclumeran (nex-z) to treat transthyretin amyloidosis with cardiomyopathy (ATTR-CM) and polyneuropathy (ATTR-PN), respectively, the U.S. FDA lifted the hold on Magnitude-2, pushing the company’s shares up by 22% in early trading Jan. 27.