UPDATE 1-FDA lifts partial hold on study testing Geron's only drug

June 12, 2014 1:02 PM

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June 12 (Reuters) - Geron Corp said the U.S. Food and Drug Administration lifted a partial clinical hold on a study testing its drug for myelofibrosis, a type of blood cancer, sending its shares soaring about 31 percent in premarket trading.

Patient enrollment in the trial, sponsored by Mayo Clinic, was halted in March over concerns of liver toxicity. The investigator was required to provide follow-up data on the possible reversibility of the liver damage.

Also read: FDA approves quicker-to-administer drug for blood cancers

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