Ethnicity might be associated with treatment outcomes in advanced prostate *** study aimed to evaluate the efficacy and safety of androgen deprivation therapy(ADT)combined with apalutamide in East Asians with metastat...
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Ethnicity might be associated with treatment outcomes in advanced prostate *** study aimed to evaluate the efficacy and safety of androgen deprivation therapy(ADT)combined with apalutamide in East Asians with metastatic castration-sensitive prostate cancer(mCSPC).The original phase 3 Targeted Investigational Treatment Analysis of Novel Anti-androgen(TITAN)trial was conducted at 260 sites in 23 *** subgroup analysis included patients enrolled in 62 participating centers in China,Japan,and *** progression-free survival(PFS),time to prostate-specific antigen(PSA)progression,and PSA changes from baseline were compared between groups in the East Asian *** intent-to-treat East Asian population included 111 and 110 participants in the apalutamide and placebo groups,*** 24-month radiographic PFS rates were 76.1%and 52.3%in the apalutamide and placebo groups,respectively(apalutamide vs placebo:hazard ratio[HR]=0.506;95%confidence interval[CI],0.302–0.849;P=0.009).Median time to PSA progression was more favorable with apalutamide than placebo(HR=0.210;95%CI,0.124–0.357;P<0.001).Median maximum percentages of PSA decline from baseline were 99.0%and 73.9%in the apalutamide and placebo groups,*** most common adverse event(AE)was rash in the apalutamide group,with a higher rate than that in the placebo group(37.3%vs 9.1%).The most common grade 3 or 4 AEs were rash(12[10.9%])and hypertension(12[10.9%])for *** efficacy and safety of apalutamide in the East Asian subgroup of the TITAN trial are consistent with the global results.
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