** Shares of drug developer LOGC.O surge 84% to $0.92
premarket - top pct gainer across U.S. exchanges before the bell
** Stock set to open at over three-month high, if gains hold
** LOGC says U.S. FDA lifted clinical hold on co's
early-to-mid-stage trial of its genome editing therapy, LB-001,
among children with methylmalonic acidemia - a type of metabolic
disorder urn:newsml:reuters.com:*:nPn4ZrV0ta
** FDA had put a hold on trial in Feb after serious adverse
events, categorized as cases of thrombotic microangiopathy (TMA)
in two patients urn:newsml:reuters.com:*:nL4N2UD25W
** TMA can stem from cancer as well as cancer treatment and
is characterized by symptoms such as destruction of red blood
cells and low platelet count
** Both cases of TMA resolved within weeks; in its letter,
FDA acknowledged co satisfactorily addressed all clinical hold
issues - LOGC
** LOGC says it has initiated activities to resume dosing
patients in trial as soon as possible
** Stock down 78.5% YTD, up to last close
(Reporting by Amruta Khandekar)
((Amruta.Khandekar@thomsonreuters.com;))