250
Participants
Start Date
August 31, 2005
Study Completion Date
May 31, 2006
tramadol hydrochloride /acetaminophen
1 tablet of tramadol hydrochloride/acetaminophen three times daily without titration for 14 days.
tramadol hydrochloride / acetaminophen and placebo
1 tablet of tramadol/acetaminophen in the morning, 1 tablet of placebo in the afternoon and evening for 3 days, then 1 tablet of tramadol/acetaminophen in the morning, evening and 1 tablet of placebo in the afternoon for 4 days, then 1 tablet of tramadol/acetaminophen 3 times daily for next 7 days
Janssen Korea, Ltd., Korea
INDUSTRY