While the studies – IMbark and IMerge – are both still ongoing investors were spooked by the news that Janssen was going to drop the lower dose arm in one of them, IMbark, in myelofibrosis. Imetelstat is Geron Corp.’s only real pipeline asset.
Imetelstat Study Blip Beats Geron’s Shares Down
Shares in Geron dropped by nearly 20% to $2.30 on NASDAQ on Sept. 12 following interim clinical data for its lead product, the anticancer imetelstat, from trials conducted by its partner Janssen.