Quisinostat (JNJ-26481585)

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Mechanism of action

From the NCI Drug Dictionary: An orally bioavailable, second-generation, hydroxamic acid-based inhibitor of histone deacetylase (HDAC) with potential antineoplastic activity. Quisinostat inhibits HDAC leading to an accumulation of highly acetylated histones, which may result in an induction of chromatin remodeling; inhibition of the transcription of tumor suppressor genes; inhibition of tumor cell division; and the induction of tumor cell apoptosis.

Preliminary data

Cutaneous T-cell lymphoma

  1. Child F, Ortiz-Romero PL, Alvarez R, Bagot M, Stadler R, Weichenthal M, Alves R, Quaglino P, Beylot-Barry M, Cowan R, Geskin LJ, Pérez-Ferriols A, Hellemans P, Elsayed Y, Phelps C, Forslund A, Kamida M, Zinzani PL. Phase II multicentre trial of oral quisinostat, a histone deacetylase inhibitor, in patients with previously treated stage IB-IVA mycosis fungoides/Sézary syndrome. Br J Dermatol. 2016 Jul;175(1):80-8. Epub 2016 Jun 2. link to original article PubMed