Phase 3 Study of Tramadol Hydrochloride/Acetaminophen SR Tab. & Tramadol Hydrochloride/Acetaminophen Tab. in Low Back Pain Patients

An Efficacy and Safety Study of Tramadol Hydrochloride-Paracetamol in Treatment of Moderate to Severe Acute Neck-Shoulder Pain and Low Back Pain

NCT01843660 ·Status: COMPLETED ·Phase: PHASE4

An Efficacy Study of Combination of Tramadol and Acetaminophen Tablets in the Treatment of Participants With Fibromyalgia Pain

NCT00766675 ·Status: COMPLETED ·Phase: PHASE4

Tramadol Hydrochloride and Dexketoprofen Trometamol for the Oral Treatment of Moderate to Severe Acute Pain Following Removal of Impacted Lower Third Molar

NCT02777970 ·Status: COMPLETED ·Phase: PHASE4

A Study on Health - Related Quality of Life in Patients With Rheumatic Diseases Taking Tramadol 37.5mg/Acetaminophen 325mg Tablets

NCT00642837 ·Status: COMPLETED

A One-year, Open-label Study to Assess the Safety and Effectiveness of Extended Release Tramadol HCl in the Treatment of Chronic, Non-malignant Pain.

NCT00347685 ·Status: COMPLETED ·Phase: PHASE3

An Efficacy and Safety Study of Acetaminophen Plus Tramadol Hydrochloride (JNS013) in Participants With Chronic Pain

NCT00736853 ·Status: COMPLETED ·Phase: PHASE3

A Two-Arm Study Comparing the Analgesic Efficacy and Safety of Acetaminophen and Tramadol Combination BID Versus Placebo for the Treatment of Acute Low Back Pain

NCT00643383 ·Status: COMPLETED ·Phase: PHASE3

Efficacy and Safety of Fixed-dose Combination of Etoricoxib/Tramadol vs Acetaminophen/Tramadol for Acute Low Back Pain

NCT04968158 ·Status: COMPLETED ·Phase: PHASE3

Pharmacokinetic Non-interaction Study With a Fixed-dose Combination Tablet With Tramadol and Diclofenac

NCT03766984 ·Status: COMPLETED ·Phase: PHASE1

A Long-term Efficacy and Safety Study of Tramadol Hydrochloride Plus Acetaminophen (JNS013) in Japanese Participants With Chronic Pain

NCT00736957 ·Status: COMPLETED ·Phase: PHASE3

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

NCT00952068 ·Status: COMPLETED ·Phase: PHASE2

Pharmacokinetics and Pharmacodynamics of TRV130, Morphine, and Placebo in Healthy Subjects

NCT02083315 ·Status: COMPLETED ·Phase: PHASE1

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

NCT00236535 ·Status: COMPLETED ·Phase: PHASE3

Tramadol and Pain Sensitization

NCT00487175 ·Status: COMPLETED ·Phase: PHASE1

An Exploratory Study of Tramadol Hydrochloride in Patients With Osteoarthritis of the Knee or Low Back Pain

NCT00752661 ·Status: COMPLETED ·Phase: PHASE2

Pharmacokinetic Study of Hydrocodone/APAP in Chronic Pain Patients

NCT01517295 ·Status: COMPLETED ·Phase: PHASE4

Assessment of the Pharmacokinetics of a Sustained Release Formulation of a Tramadol/Acetaminophen Combination

NCT01880125 ·Status: COMPLETED ·Phase: PHASE1

PK PD of the Enantiomers of Tramadol and O-desmethyltramadol in Elderly and Young Subjects

NCT02329561 ·Status: COMPLETED ·Phase: PHASE1

An Open Label Study to Evaluate Safety, Tolerability and Clinical Utility of ULTRACET® (37.5mg Tramadol Hydrochloride/325mg Acetaminophen) for the Treatment of Breakthrough Pain in Cancer Patients

NCT00576173 ·Status: COMPLETED ·Phase: PHASE4

Evaluating the Pharmacokinetic Interactions and Safety Between AD-2111 and AD-2112

NCT04375865 ·Status: COMPLETED ·Phase: PHASE1

Compare the Efficacy and Safety of Norspan to Tramadol/Acetaminophen With Prolonged Postoperative Pain (PASSION)

NCT01983111 ·Status: COMPLETED ·Phase: PHASE4

Efficacy and Safety of Pregabalin/Tramadol Combination Versus Pregabalin in Acute Pain of Neuropathic Origin

NCT05324059 ·Status: COMPLETED ·Phase: PHASE3

A Study Comparing the Effectiveness and Safety of Varying Dose Strengths (100, 200, 300 and 400 mg) of Extended-release Tramadol HCl With Placebo for the Treatment of Osteoarthritis(OA) of the Knee and/or Hip

NCT00325858 ·Status: COMPLETED ·Phase: PHASE3

Efficacy and Safety Study of NKTR-181 in Opioid-Naive Subjects With Low Back Pain

NCT02362672 ·Status: COMPLETED ·Phase: PHASE3

Omnitram Pharmacokinetic and Analgesic Study Following CY2D6 Inhibition With Paroxetine In Healthy Volunteers

NCT03312777 ·Status: COMPLETED ·Phase: PHASE1