** Shares of drug developer Zentalis Pharmaceuticals ZNTL.O rise 45.68% to $4.72 premarket
** Co says U.S. FDA has lifted the partial clinical hold on studies of azenosertib, its experimental cancer drug
** In June, FDA placed three studies on partial clinical hold following the death of two trial participants
** FDA has cleared the way for resumption in enrollment for all ongoing studies, with no changes in the development plan; co resume activities as quickly as possible
** Azenosertib is currently being studied as monotherapy and combination studies in ovarian cancer and additional tumor types
** Up to last close, stock down ~79% YTD
(Reporting by Sriparna Roy in Bengaluru)