Belinostat: first global approval.

Belinostat [Beleodaq(®) (US)], a small-molecule hydroxamate-type inhibitor of class I, II and IV histone deacetylase (HDAC) enzymes, has been developed by TopoTarget and Spectrum Pharmaceuticals for the treatment of relapsed or refractory peripheral T-cell lymphoma (PTCL). Belinostat has received its first global approval as monotherapy for this indication in the US, under the Food and Drug Administration's accelerated approval program. This article summarizes the milestones in the development of belinostat leading to this first approval for the treatment of PTCL.