Data from the study were featured in an oral presentation at the
The final analysis showed an improvement in the secondary endpoint of OS favoring patients randomized to TIBSOVO compared to those randomized to placebo; however, statistical significance was not reached. The median OS for patients randomized to TIBSOVO was 10.3 months compared to 7.5 months for patients randomized to placebo (hazard ratio [HR]=0.79; 95% CI [0.56-1.12], 1-sided p=0.093). The protocol specified that patients randomized to placebo could cross over to TIBSOVO at the time of disease progression, and a high proportion of patients in the placebo arm (70.5%) crossed over to TIBSOVO. The results of a pre-specified analysis to adjust for crossover, based on the rank-preserving structural failure time (RPSFT) model, showed a median OS for patients in the placebo arm of 5.1 months (HR=0.49, 95% CI 0.34-0.70, 1-sided p
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