On 1 December, Chinese biotech BeyondSpring Inc. said it had received a Complete Response Letter (CRL) from the US Food and Drug Administration, under which the agency refused to approve its drug plinabulin for chemotherapy-induced neutropenia due to results from the single Phase III registrational trial being “not sufficiently robust to demonstrate benefits" and meaning a second well-controlled trial will be required.
The small molecule treatment is designed for use in combination with granulocyte colony-stimulating factor (G-CSF) for cancer patients with