Table 1.

Clinical experience with 5-azactidine in myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML) in both untreated and relapsed/refractory patients.

CALGB 922113Updated CALGB 9221235-azacitidine and phenylbutyrate*41 5-azacitidine and valproic acid*34 5-azacitidine and valproic acid in untreated patients34 
* Includes patients with AML and relapsed and refractory disease. 
Abbreviations: N, number; CR, complete remission; PR, partial remission; HI, hematologic improvement; OR, overall response. HI may include complete marrow responses. 
Phase 1/2 1/2 1/2 
99 99 29 53 33 
CR, no. (%) 7 (7) 10 (10) 4 (14) 12 (22) 11 (33) 
PR, no. (%) 16 (16) 1 (1) 1 (3) 3 (6) 3 (9) 
HI, no. (%) 37 (37) 36 (36) 6 (21) 7 (13) 3 (9) 
OR, no. (%) 60 (60) 47 (47) 11 (38) 22 (41) 17 (51) 
CALGB 922113Updated CALGB 9221235-azacitidine and phenylbutyrate*41 5-azacitidine and valproic acid*34 5-azacitidine and valproic acid in untreated patients34 
* Includes patients with AML and relapsed and refractory disease. 
Abbreviations: N, number; CR, complete remission; PR, partial remission; HI, hematologic improvement; OR, overall response. HI may include complete marrow responses. 
Phase 1/2 1/2 1/2 
99 99 29 53 33 
CR, no. (%) 7 (7) 10 (10) 4 (14) 12 (22) 11 (33) 
PR, no. (%) 16 (16) 1 (1) 1 (3) 3 (6) 3 (9) 
HI, no. (%) 37 (37) 36 (36) 6 (21) 7 (13) 3 (9) 
OR, no. (%) 60 (60) 47 (47) 11 (38) 22 (41) 17 (51)