Vicinium Granted Fast Track Designation by FDA

Sesen Bio announced the U.S. Food and Drug Administration (FDA) has granted Fast Track designation to Vicinium for the treatment of BCG-unresponsive high-grade non-muscle invasive bladder cancer (NMIBC). Vicinium, Sesen Bio’s lead product candidate, is currently being evaluated in a Phase 3 registration trial, the VISTA Trial, for the treatment of patients with high-grade NMIBC who have previously received two courses of bacillus Calmette-Guérin (BCG) and whose disease is now BCG-unresponsive.

"The granting of this designation is an important milestone for Sesen Bio, and we believe it exemplifies the urgent need for a new treatment option for people with NMIBC for whom bladder removal is the recommended course after BCG," said Dr. Thomas Cannell, president and chief executive officer of Sesen Bio. "We are highly encouraged by the differentiated product profile of Vicinium in NMIBC, with a unique mechanism of action, positive three-month data presented earlier this year and favorable tolerability in patients treated to-date. With Fast Track designation, we look forward to determining the optimal registration path and assessing the opportunity for accelerated approval to bring Vicinium to patients as quickly as possible."

The FDA’s Fast Track process is designed to expedite the development and review of drugs used to treat serious or life-threatening conditions and fill an unmet medical need. Fast Track designation allows for frequent communication and interactions with the review team at the FDA throughout the drug development and review process, with the goal of providing faster drug approval and greater patient access.

Enrollment is complete in the Phase 3 VISTA Trial and the company expects to report 12-month efficacy results in mid-2019.

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