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. 2019 Jun 27;5(8):1159–1167. doi: 10.1001/jamaoncol.2019.1011

Figure 4. Prostate-Specific Antigen Declines by Treatment Group.

Figure 4.

Maximum percent change in prostate specific antigen (PSA) level from baseline during the main study for abiraterone acetate with prednisone, 5 mg, twice daily (n = 41), prednisone, 5 mg, once daily (n = 40), prednisone, 2.5 mg, twice daily (n = 38), or dexamethasone, 0.5 mg, once daily (n = 41). Dotted lines represent the PSA responders (50% reduction and 90% reduction in PSA). Prostate-specific antigen plots for prednisone, 5 mg, once daily, prednisone, 2.5 mg, twice daily, and dexamethasone, 0.5 mg, once daily exclude patients who were missing either baseline or postbaseline PSA values. Increases greater than 25% were cut off at 25%.