Geron Shares Dip After J&J Unit-Led Trial Falters, Endo Pops: Biotech Movers


Shares of Geron Corp. were down 5.7% to $2.50 in premarket trading on Tuesday, Aug. 1, after the Menlo Park, Calif.-based firm on Monday gave updates on the development plans for ongoing clinical studies of telomerase inhibitor imetelstat being conducted by Johnson & Johnson's Janssen Research & Development LLC. Geron said that for the IMerge study, which focuses on lower risk myelodysplastic syndromes, part 1 will be broadened to "enroll additional patients in a refined MDS population to confirm the clinical benefit and safety observed from current results." As for the IMbark trial, which focuses on relapsed or refractory myelofibrosis, the study is unchanged.



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