Table 1

Response to therapy and outcome data according to IDH1 mutant status in total cohort of 1333 patients

EndpointIDH1 WT (n = 1226)IDH1 mutant (n = 107)Unadjusted
Adjusted
OR/HR (95% CI)POR/HR (95% CI)P
Response to therapy       
    CR/CRi 83% 81% 1.15 (0.68-1.95) .6 0.60 (0.26-1.38) .2 
    RD 10% 10% 1.01 (0.52-1.93) > .999 0.72 (0.25-2.09) .5 
    ID 6% 8% 1.37 (0.62-3.03) .4 0.53 (0.17-1.65) .3 
Outcome at 10 years       
    OS 34% 34% 1.07 (0.83-1.36) .6 1.06 (0.79-1.40) .7 
    RFS 34% 30% 1.07 (0.82-1.40) .6 1.14 (0.85-1.53) .4 
    CIR 49% 55% 1.12 (0.82-1.53) .5 1.13 (0.80-1.58) .5 
    CIDCR 17% 15% 0.94 (0.55-1.59) .8 1.14 (0.64-2.05) .7 
EndpointIDH1 WT (n = 1226)IDH1 mutant (n = 107)Unadjusted
Adjusted
OR/HR (95% CI)POR/HR (95% CI)P
Response to therapy       
    CR/CRi 83% 81% 1.15 (0.68-1.95) .6 0.60 (0.26-1.38) .2 
    RD 10% 10% 1.01 (0.52-1.93) > .999 0.72 (0.25-2.09) .5 
    ID 6% 8% 1.37 (0.62-3.03) .4 0.53 (0.17-1.65) .3 
Outcome at 10 years       
    OS 34% 34% 1.07 (0.83-1.36) .6 1.06 (0.79-1.40) .7 
    RFS 34% 30% 1.07 (0.82-1.40) .6 1.14 (0.85-1.53) .4 
    CIR 49% 55% 1.12 (0.82-1.53) .5 1.13 (0.80-1.58) .5 
    CIDCR 17% 15% 0.94 (0.55-1.59) .8 1.14 (0.64-2.05) .7 

Adjusted analyses were performed using logistic/Cox regression methods adjusted for age, sex, cytogenetic risk group, performance status, de novo/secondary disease, presenting white blood cell count, and FLT3/ITD and NPM1 mutation status.

WT indicates wild-type; OR, odds ratio; HR, hazard ratio; CI, confidence interval; CR, complete remission; CRi, CR with incomplete hematologic recovery; RD, resistant disease; ID, induction death; OS, overall survival; RFS, relapse-free survival; CIR, cumulative incidence of relapse; and CIDCR, cumulative incidence of death in CR

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