A Study of the Efficacy and Safety of Tramadol HCl/Acetaminophen, Hydrocodone Bitartrate/Acetaminophen and Placebo in Patients With Pain From an Ankle Sprain With a Partial Torn Ligament
Conditions
Interventions
- DRUG: tramadol HCl + acetaminophen; hydrocodone bitartrate + acetaminophen; placebo
Sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Collaborators