High-risk neuroblastoma with N-Myc amplification remains a therapeutic challenge in paediatric oncology. Antagonism of pro-death Bcl-2 homology (BH) proteins to pro-survival BH members such as Mcl-1 and Bcl-2 has become a treatment approach. | The small molecule Bcl-2 Mcl-1 inhibitor TW-37 shows single-agent cytotoxicity in neuroblastoma cell lines