Investigators studied fludarabine, cyclophosphamide, rituximab, vorinostat (FCR+V) followed by maintenance therapy with rituximab and vorinostat in previously untreated CLL/SLL
Median follow-up: 15 months (range, 0.9-38.6)
22/36 enrolled patients evaluable
Complete response (CR): 73%, Partial response (PR): 22.5%, Stable disease (SD): 4.5%
18% completed 8 cycles of maintenance with rituximab and vorinostat
Grade 3-4 non-hematologic toxicities: gastrointestinal symptoms (n=10) and fatigue (n=3).