Patient Death Obscures Efficacy Success For Sophiris’ Intratumoral Prostate Cancer Therapy

The bad outweighed the good for Sophiris on a day in which it unveiled promising Phase IIb data for topsalysin, but also took a huge stock hit with news of a patient death in the trial.

Cancer cell division of two prostate cancer cells in the final stage of cell division (cytokinesis) cytoplasm divides. the cells are joined by several thin cytoplasmic bridges. They to form tumours

Investors responded negatively to Sophiris Bio Inc.’s data release for its Phase IIb localized prostate cancer therapy topsalysin on June 25, as the report of one patient death among 11 who received a second dose of the intratumoral injection overshadowed solid clinical response data from the 38-person trial. San Diego-based Sophiris saw its shares finish trading down 40% at $2.24.

Topsalysin is a first-in-class, transmembrane pore-forming protein that is genetically modified to be activated only by

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