Cisplatin (TEVA Pharmaceuticals, North Wales, PA) was diluted in sterile PBS and administered i.p. at a dose of 2.3 mg/kg per day for 5 days followed by 5 days of rest and another 5 days of injections[46 (link)]. The HDAC6 inhibitor ACY-1215 (Regenacy Pharmaceuticals) was prepared in 10% DMSO, 30% Propylene glycol and 60% Poly(ethylene glycol)-300, and was administered daily via oral gavage at 30 mg/kg 1 hour prior to each Cisplatin injection[32 (link)].