At the end of the maintenance treatment an improvement of at least 30% was seen in 60% of the subjects receiving rotigotine, 67% of the subjects receiving pramipexole and 35% of the subjects receiving placebo (Difference rotigotine versus placebo 25%; CI95% 13%; 36%, difference pramipexole versus placebo 32% CI95% 21%; 43%, difference pramipexole versus rotigotine 7%; CI95% -2%; 17%). The mean reduction in the “ off” time was 2.5 hours in the rotigotine arm, 2.8 hours in the pramipexole arm and 0.9 hours in the placebo arm.