Tazemetostat Setbacks Hit Epizyme

As drug fails in DLBCL, firm focuses on lifting partial clinical hold on other trials. A first filing in a rare sarcoma has also been pushed back.

Overcoming challenges and crisis . Mixed media
Epizyme faces clinical trial headwinds • Source: Shutterstock

Epigenetic cancer therapy specialist Epizyme Inc. has ended development of its lead product tazemetostat as a monotherapy or in combination with prednisolone for diffuse large B-cell lymphoma, or DLBCL. The company has also pushed back the expected timeline for submitting its US NDA for the drug's first indication of epithelioid sarcoma. And it disappointed investors in offering no clear timeline for the resolution of a partial clinical hold on trials of the drug during its second-quarter investor call.

The termination came after an evaluation of the level of clinical activity in the three DLBCL cohorts of a Phase II trial in relapsed and refractory follicular lymphoma (FL) and...

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