DNER and neoplasm: They further demonstrated that QCA570 could completely abolish tumour growth in leukaemia xenograft models in mice.3 Recently, Zhang and his colleagues pursued PROTACs against BRD4 and other BET family members for preclinical studies.73 They found that the designed PROTACs strongly reduced the viability of myeloma cells and the effect was in a time‐dependent and concentration‐dependent manner.