A Study to Assess the Pharmacokinetics, Safety, and Tolerability of Single and Multiple Doses of Rasagiline

"Each subject will be enrolled into 1 of 4 cohorts:~* cohort 1 (16 Japanese subjects): 4 subjects each for 0.5, 1, and 2 mg of rasagiline and placebo~* cohort 2 (16 Caucasian subjects): 4 subjects each for 0.5, 1, and 2 mg of rasagiline and placebo~* cohort 3 (16 Japanese subjects): 4 subjects each for 0.5, 1, and 2 mg of rasagiline and placebo~* cohort 4 (16 Caucasian subjects): 4 subjects each for 0.5, 1, and 2 mg of rasagiline and placebo~Each subject will then be randomly assigned to 1 of the following groups:~* rasagiline at 0.5 mg (8 Japanese and 8 Caucasian subjects)~* rasagiline at 1 mg (8 Japanese and 8 Caucasian subjects)~* rasagiline at 2 mg (8 Japanese and 8 Caucasian subjects)~* placebo (8 Japanese and 8 Caucasian subjects)"

"Each subject will be enrolled into 1 of 4 cohorts:~* cohort 1 (16 Japanese subjects): 4 subjects each for 0.5, 1, and 2 mg of rasagiline and placebo~* cohort 2 (16 Caucasian subjects): 4 subjects each for 0.5, 1, and 2 mg of rasagiline and placebo~* cohort 3 (16 Japanese subjects): 4 subjects each for 0.5, 1, and 2 mg of rasagiline and placebo~* cohort 4 (16 Caucasian subjects): 4 subjects each for 0.5, 1, and 2 mg of rasagiline and placebo~Each subject will then be randomly assigned to 1 of the following groups:~* rasagiline at 0.5 mg (8 Japanese and 8 Caucasian subjects)~* rasagiline at 1 mg (8 Japanese and 8 Caucasian subjects)~* rasagiline at 2 mg (8 Japanese and 8 Caucasian subjects)~* placebo (8 Japanese and 8 Caucasian subjects)"