Gilead Sciences Inc is to discontinue studies of magrolimab, a monoclonal antibody targeting CD47 on cancer cells, following evidence that the risks associated with the drug outweigh the benefits. On 7 February the company said it was stopping a clinical programme in haematologic cancers. On 15 February it announced a partial clinical hold on four Phase 2 studies in solid tumours at the request of the US Food and Drug Administration.
