Combination of vorinostat and low dose cytarabine for patients with azacitidine-refractory/relapsed high risk myelodysplastic syndromes. | Aplastic Anemia & MDS International Foundation Return to top.

Combination of vorinostat and low dose cytarabine for patients with azacitidine-refractory/relapsed high risk myelodysplastic syndromes.

Journal Title: 
Leuk Res
Primary Author: 
Prebet T
Author(s): 
Prebet T, Braun T, Beyne-Rauzy O, Dreyfus F, Stammatoullas A, Wattel E, Ame S, Raffoux E, Delaunay J, Charbonnier A, Adès L, Fenaux P, Vey N.
Original Publication Date: 
Tuesday, August 13, 2013

Outcome of patients with myelodysplastic syndrome after azacitidine failure is poor. In this population, we combined cytarabine (10-20mg/m2/day 14 days) with vorinostat (400mg/day) for escalating durations (7 days, 10 days and 14 days), and starting on day 1 (concomitant arm) or on day 14 (sequential arm) following a 3+3 phase I design. 40 patients were treated. Dose limiting toxicities were all seen in sequential arm. The overall response rate was 15% with 4 responses in concomitant arm (ORR=25%). We conclude that this combination is tolerable and concomitant administration might be less toxic and have better therapeutic effect (clinicaltrials.gov NCT00776503).

Bone Marrow Disease(s): 
  • myelodysplastic syndromes (MDS)
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