A Pharmacodynamic/Pharmacokinetic Study to Determine the Onset of Analgesic Effect and Plasma Levels of Tramadol in Patients With Acute Low Back Pain Receiving a Single 200 mg Dose of Tramadol Contramid® Once-a-Day

PHASE2CompletedINTERVENTIONAL

Enrollment

Participants

Timeline

Start Date

January 31, 2007

Primary Completion Date

April 30, 2007

Study Completion Date

April 30, 2007

Conditions

Acute Low Back Pain

Interventions

DRUG

Tramadol Contramid® OAD 200mg

1 Tramadol Contramid® OAD 200mg tablet daily.