Engene Holdings Inc.’s protocol amendment to its phase II trial with detalimogene voraplasmid in bladder cancer worked out in a big way, and shares of the firm closed Nov. 11 at $8.82, up $2.81, or 47%. Engene rolled out additional preliminary data from the pivotal cohort of the ongoing Legend study testing the nonviral gene therapy in high-risk, Bacillus Calmette-Guérin-unresponsive non-muscle invasive bladder cancer with carcinoma in situ, with or without concomitant papillary disease.