CORRECT study design
        
        
          Multicenter, randomized, double-blind, placebo-controlled, phase III
        
        
          
        
        
          2:1 randomization
        
        
          
        
        
          Strat. factors: prior anti-VEGF therapy, time from diagnosis of mCRC, geographical region
        
        
          
        
        
          Global trial: 16 countries, 114 active centers
        
        
          
        
        
          1,052 patients screened,
        
        
          760 patients randomized within 10 months
        
        
          Secondary endpoints: PFS, ORR, DCR
        
        
          Tertiary endpoints: duration of response / stable disease, QOL, pharmacokinetics, biomarkers
        
        
          No crossover between treatment arms was allowed
        
        
          Progressive
        
        
          mCRC during or
        
        
          within 3 m of the
        
        
          last  standard
        
        
          therapy
        
        
          R
        
        
          A
        
        
          N
        
        
          D
        
        
          O
        
        
          M
        
        
          I
        
        
          Z
        
        
          A
        
        
          T
        
        
          I
        
        
          O
        
        
          N
        
        
          Regorafenib + BSC
        
        
          160 mg orally once daily
        
        
          3 weeks on, 1 week off
        
        
          Placebo + BSC
        
        
          3 weeks on, 1 week off
        
        
          2 : 1
        
        
          Primary
        
        
          Endpoint: OS
        
        
          90% power to
        
        
          detect 33.3%
        
        
          increase
        
        
          (HR=0.75), with
        
        
          1-sided overall
        
        
          a
        
        
          =0.025