25 patients (16M/9F, median age 56 years) with advanced, progressive BRAFi/MEKi resistant BRAF V600 melanoma have initiated treatment with vorinostat. 21 patients were evaluable for response. Best objective response: 4 PR (confirmed in 3 pts, duration of response 6.2, 9.3 and 18.6 months), 4 SD (confirmed in 1 pt, duration 9.3 months) and 13 PD.