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Final survival results from phase 3 SPARTAN trial

In the phase 3 SPARTAN trial, the addition of apalutamide to androgen-deprivation therapy (ADT) improved median metastasis-free survival (MFS) and progression-free survival (PFS) in non-metastatic castration-resistant prostate cancer (nmCRPC), compared with placebo [1]. Now, overall survival data are mature, and this was also significantly improved in patients treated with apalutamide.

ADT is the mainstay of treatment for metastatic prostate cancer. ADT is also an important part of care for many men with non-metastatic prostate cancer. However, although ADT is initially effective, castration-resistant disease eventually develops in almost all men with prostate cancer.

The phase 3 SPARTAN trial evaluated the effect of adding the non-steroidal anti-androgen agent apalutamide to ADT in patients with nmCRPC. A total of 1,207 patients were 2:1 randomised to apalutamide (240 mg once daily) or placebo. At the primary endpoint analysis, apalutamide showed t...

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