Start Date
November 30, 1998
Study Completion Date
January 31, 1999
Placebo
Treatment C: Three OROS placebo tablets once daily + 1 placebo capsule 3x times/day for 7 days. Each patient will be randomized to 1 of 9 treatment sequences each consisting of 3 7-day treatment periods of Treatment A, B, and C.
OROS (methylphenidate HCl)
Treatment A: 1, 2, or 3 OROS methylphenidate 18-mg tablets + 0, 1, or 2 OROS placebo tablets (3 tablets in total) once daily + 1 placebo capsule 3x/day for 7 days. Each patient will be randomized to 1 of 9 treatment sequences each consisting of 3 7-day treatment periods of Treatment A, B, and C.
Ritalin (methylphenidate)
Treatment B: 5, 10, or 15-mg tablets (encapsulated/single capsule) 3 times a day + 3 OROS placebo tablets once daily for 7 days. Each patient will be randomized to 1 of 9 treatment sequences each consisting of 3 7-day treatment periods of Treatment A, B, and C.
Alza Corporation, DE, USA
INDUSTRY