Comparison of Two Combinations of Opioid and Non-opioid Analgesics for Acute Periradicular Abscess
Condition:   Periapical AbscessInterventions:   Drug: Fixed-dose oral tablet of codeine/ acetaminophen every 4 hours for 3 days;   Drug: Fixed-dose oral tablet of tramadol/ acetaminophen every 4 hours for 3 daysSponsors:   Federal University of Rio Grande do Sul;   Coordenação de Aperfeiçoamento de Pessoal de Nível Superior.Completed - verified April 2016 (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - April 15, 2016 Category: Research Source Type: clinical trials

Effects of Duloxetine on Pain Relief After Total Knee Arthroplasty in Central Sensitization Patient
Condition:   OsteoarthritisInterventions:   Drug: Duloxetine;   Drug: celecoxib, Pregabalin, acetaminophen/tramadol, oxycodoneSponsor:   The Catholic University of KoreaNot yet recruiting - verified November 2015 (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - November 5, 2015 Category: Research Source Type: clinical trials

Does Duloxetine Reduce Chronic Pain After Total Knee Arthroplasty?
Condition:   Neuropathic PainInterventions:   Drug: Duloxetine;   Drug: celecoxib, naproxen/esomeprazole, acetaminophen/tramadol, oxycodone/naloxoneSponsor:   Hanyang University Seoul HospitalRecruiting - verified December 2014 (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - November 27, 2014 Category: Research Source Type: clinical trials

A Study to Assess the Improvement of Pain and Health-Related Quality of Life in Patients With Chronic Non-Malignant Pain Taking Tramadol Hydrochloride and Acetaminophen
Condition:   Chronic PainIntervention:   Drug: No interventionSponsor:   Janssen Korea, Ltd., KoreaCompleted - verified December 2013 (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 7, 2013 Category: Research Source Type: clinical trials

A Study to Assess the Improvement of Pain and Health-Related Quality of Life in Patients With Chronic Non-Malignant Pain Taking Tramadol Hydrochloride and Acetaminophen
Condition:   Chronic PainIntervention:   Drug: No interventionSponsors:   Janssen Korea, Ltd., Korea;   Janssen Korea, Ltd., KoreaCompleted - verified March 2013 (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 7, 2013 Category: Research Source Type: clinical trials

A Study to Assess the Improvement of Pain and Health-Related Quality of Life in Patients With Chronic Non-Malignant Pain Taking Tramadol Hydrochloride and Acetaminophen
Condition:   Chronic PainIntervention:   Drug: No interventionSponsors:   Janssen Korea, Ltd., Korea;   Janssen Korea, Ltd., KoreaCompleted - verified June 2013 (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 7, 2013 Category: Research Source Type: clinical trials

A Study to Assess the Improvement of Pain and Health-Related Quality of Life in Patients With Chronic Non-Malignant Pain Taking Tramadol Hydrochloride and Acetaminophen
Condition:   Chronic PainIntervention:   Drug: No interventionSponsor:   Janssen Korea, Ltd., KoreaCompleted - verified December 2013 (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 7, 2013 Category: Research Source Type: clinical trials

A Study to Assess the Improvement of Pain and Health-Related Quality of Life in Patients With Chronic Non-Malignant Pain Taking Tramadol Hydrochloride and Acetaminophen
Condition:   Chronic PainIntervention:   Drug: No interventionSponsors:   Janssen Korea, Ltd., Korea;   Janssen Korea, Ltd., KoreaCompleted - verified March 2013 (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - February 7, 2013 Category: Research Source Type: clinical trials