Phase 3 Study of Tramadol Hydrochloride/Acetaminophen SR Tab. & Tramadol Hydrochloride/Acetaminophen Tab. in Low Back Pain Patients
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Ages Eligible for Study:
20 Years and older (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Adult males/Females aged over 20 years
Patient with low back pain who needs analgesic administration
Patient with low back pain Who correspond with Class 1, 2 in Quebec Task Force Classification
Pain VAS Value over 40 mm
Subjects who voluntarily or legal guardian agreed with written consent
Patients with severe GI tract disorder, liver disease, renal disease, heart disease, hypertension
Patients with obvious secondary cause(metastatic cancer, fracture, infectious disease)
Patients who had taken back surgery within 24 weeks from the screening point
Patients who had taken opioid drug, psychotropic drug within 4 weeks from the screening point
Patients who had taken steroid drug(oral, injection) within 4 weeks from the screening point