Sesen Bio Inc.’s updated Phase III non-muscle invasive bladder cancer (NMIBC) data has prompted mixed reactions from analysts, with one slashing a sales forecast while another forecast rapid commercial adoption of fusion protein-drug conjugate Vicinium.
Sesen’s Phase III Bladder Cancer Results Spark Mixed Reactions
The updated data are in line with prior interim readouts but nonetheless triggered strong reactions. One analyst slashed their peak sales forecast for Vicinium, while another talked up the likelihood of rapid commercial adoption of the fusion protein-drug conjugate.

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Pipeline Watch is a weekly snapshot of selected late-stage clinical trial events and approvals announced by pharmaceutical and biotech companies at medical and industry conferences, in financial and company presentations, and in company releases and statements.