(Reuters) – Mersana Therapeutics Inc said on Monday the US drug regulator had placed on hold an early-stage trial testing its experimental cancer drug after the death of a participant.
The death was of a patient enrolled at the initial dose level in the dose escalation portion, the company said.
The study was testing the company’s XMT-2056 candidate.
The company is now focused on analyzing the death and “consider potential next steps for development,” Chief Executive Officer Anna Protopapas said in a statement.
The company will continue to make progress with the other cancer drug candidate UpRi and XMT-1660 clinical trials.
Shares of Mersana were halted before the bell.
(Reporting by Leroy Leo and Khushi Mandowara in Bengaluru; Editing by Sriraj Kalluvila)
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