Table 2

PD simulation results

Typical PD trial estimandAlternative treatment policy estimand
PBOExperimentalPBOExperimental
Primary endpoint
OFF-time (hours), n
250250250250
Mean (SE)5.28
(0.10)
4.14
(0.10)
4.90
(0.08)
4.03
(0.08)
Mean difference (SE) experimental vs PBO−1.14
(0.14)
−0.87
(0.12)
95% CI(−1.43 to –0.86)(−1.11 to –0.64)
P value<0.001<0.001
  • CI, confidence interval; n, sample size; PBO, placebo; PD, Parkinson’s disease; SE, standard error.