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Sanofi Hampered By Fitusiran Clinical Hold In Hemophilia

Reports Of Non-Fatal Thrombotic Events

 
• By Kevin Grogan

The French major stressed to Scrip that patients enrolled in its fitusiran clinical trials often have other health issues and various co-morbidities, so it is too early to know if the adverse events are treatment-related.

RNA
Fitusiran is a subcutaneously administered RNAi therapeutic • Source: Shutterstock

Sanofi's hopes for fitusiran have suffered a setback with the news that all Phase III studies of the RNA interference-based hemophilia therapy have been put on hold over new adverse event concerns.

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