It’s one step backward in order to take two steps forward at Zentalis Pharmaceuticals Inc. In a restructuring to help fund the second part of its potentially registration-enabling Denali study, Zentalis has laid off 40% of its workforce. The clinical trial of azenosertib, Zentalis’ lead candidate and a WEE1 kinase inhibitor, is for treating advanced solid tumors and hematologic malignancies. The therapy is designed to make cancer cells self-destruct.