Analgesics, Opioid: all 2,341 studies that test it

Page 21 of 24. Open to participants first (248), then studies with results posted, then the rest; newest registration first within each.

• Open Label Assessment of Long-Term Safety and UtilityCompletedNCT00904449Phase 3
• Open-Label Extension to Evaluate the Long-Term Safety, Tolerability and Analgesic EfficacyCompletedNCT00904280Phase 3
• Post-operative Efficacy and Safety StudyCompletedNCT00904085Phase 3
• Multicentre Trial of Suboxone in Opiate-dependent Subjects in TaiwanCompletedNCT00901875Phase 4
• The Effect of High-dose Remifentanil on Established Capsaicin-induced Hyperalgesia in Human VolunteersStatus unknownNCT00886106Phase 4
• Comparison of Two Dosage Strengths of Transdermal Fentanyl Versus Transdermal Buprenorphine and Placebo in Acute Pain Models in Healthy Volunteers.CompletedNCT00886002Phase 1
• Intranasal Fentanyl for Pain ManagementStatus unknownNCT00882960Phase 4
• Effects of a Surgery-induced Peripheral Inflammatory Response on the Blood Brain BarrierCompletedNCT00878371Phase 4
• Interaction of Buprenorphine With HIV Medications and Tuberculosis MedicationsCompletedNCT00877591Phase 1
• A Relative Bioavailability Study of Fentanyl 25 μg/h Transdermal SystemCompletedNCT00864565Phase 1
• A Relative Bioavailability Study of Oxycodone 5 mg / Ibuprofen 400 mg Tablets Under Fasting ConditionsCompletedNCT00864526Phase 1
• A Relative Bioavailability Study of Oxycodone 5 mg / Ibuprofen 400 mg Tablets Under Non-fasting ConditionsCompletedNCT00864357Phase 1
• A Double-Blind Study of Buprenorphine Treatment of Acute SuicidalityStatus unknownNCT00863291Phase 3
• Relative Bioavailability of a Fentanyl PatchCompletedNCT00857753Phase 1
• Bioavailability of Oxymorphone Hydrochloride 40 mg Extended Release Tablets Under Fasted ConditionsCompletedNCT00857428Phase 1
• Bioavailability of Oxymorphone Hydrochloride 40 mg Extended Release Tablets Under Fed ConditionsCompletedNCT00857142Phase 1
• Fed Study of Oxycodone Hydrochloride 30 mg Tablets and Roxicodone™ 30 mg TabletsCompletedNCT00853736Phase 1
• Fasting Study of Hydromorphone Hydrochloride 8 mg Tablets and Dilaudid 8 mg TabletsCompletedNCT00853554Phase 1
• Fasting Study of Oxycodone Hydrochloride 15 mg Tablets and Roxicodone™ 15 mg TabletsCompletedNCT00853320Phase 1
• Fasting Study of Oxycodone Hydrochloride 30 mg Tablets and Roxicodone™ 30 mg TabletsCompletedNCT00853216Phase 1
• A Trial Comparing Propofol to Midazolam Plus Meperidine Sedation for Outpatient ColonoscopyCompletedNCT00848861Not applicable
• The Effect of Pain Medication in Children With Acute Abdominal Pain and Its Implication Over the Surgeon's DecisionWithdrawnNCT00839787Not applicable
• Comparison of the Efficacy and Safety of Q8003 Versus Its Individual Components in Bunionectomy PatientsCompletedNCT00831051Phase 2
• Remifentanil and Atropine for Intubation in NeonatesCompletedNCT00815048Phase 4
• Influence of Anesthetic Temperature on Cephalad Sensory Blockade With Spinal AnesthesiaCompletedNCT00815022Not applicable
• The Effect of Remifentanil on Established Sunburn-induced Hyperalgesia in Human VolunteersStatus unknownNCT00811837Phase 4
• Spinal Anesthesia for Cesarean Delivery: Bupivacaine With or Without FentanylCompletedNCT00808327Not applicable
• A Randomized, Double-Blind, Parallel-Arm, Placebo and Active Controlled Dose-Ranging Study of the Efficacy and Safety of Multiple Doses of Tapentadol IR for Postoperative Pain Following Bunionectomy SurgeryCompletedNCT00806247Phase 2
• Spinal Mepivicaine With Fentanyl for Outpatient Knee ArthroscopyCompletedNCT00803725Not applicable
• Effects of a Single Dose of Egalet® Morphine Combined With a Single Dose of Alcohol in Healthy Moderate DrinkersCompletedNCT00802308Phase 1
• Single Dose Pharmacokinetics of Egalet® HydrocodoneCompletedNCT00802087Phase 1
• Single Dose Pharmacokinetics of Egalet® OxycodoneCompletedNCT00801788Phase 1
• Propofol-butorphanol Anesthesia During Uterine CurettageCompletedNCT00795314Phase 4
• Comparative Pain Control Between 0.2 or 0.3 Spinal Morphine and 0.25 or 0.5 % Bupivacaine for FNB After TKACompletedNCT00795223Phase 4
• The Effect of Remifentanil on Established Capsaicin-Induced Hyperalgesia in Human VolunteersStatus unknownNCT00789386Phase 4
• Modulation of Remifentanil-induced Postinfusion HyperalgesiaCompletedNCT00785863Phase 4
• Visceral Pain From the Upper Urinary Tract - a Trial on the Effect of Morphine and Oxycodone in Patients Undergoing PCNLCompletedNCT00784472Phase 3
• Effect of Pain Control on the Diagnosis of Acute Appendicitis on the Diagnostic Accuracy of General SurgeonCompletedNCT00783016Phase 4
• Use of Closed-loop Anesthesia in Pediatric PatientsTerminatedNCT00778505Phase 4
• Study of Probuphine in Patients With Opioid DependenceTerminatedNCT00772785Phase 3
• Influence of Intraoperative Analgesia on the Postoperative Morphine ConsumptionCompletedNCT00772616Phase 4
• Intraoperative and Postoperative Analgesia for Laparoscopic Surgery.CompletedNCT00772187Phase 4
• A Bioavailability and Safety Study of Probuphine Versus Sublingual Buprenorphine in Patients With Opioid DependenceTerminatedNCT00768482Phase 3
• Comparison of KADIAN 100 mg When Dosed With Alcohol Under Fasting and Fed Conditions Compared to WaterCompletedNCT00768183Phase 1
• An Efficacy and Safety Study of Tramadol/Acetaminophen Versus Diclofenac in the Treatment of Pain in Participants With Ankylosing Spondylitis Receiving Stable Treatment of Disease Modifying Anti-rheumatic Drugs (DMARDs)TerminatedNCT00766402Phase 4
• Depodur vs Fentanyl Infusion for Post-C/S AnalgesiaWithdrawnNCT00762554Not applicable
• Requirement of Analgesics After Two Remifentanil Dosing Regimen in Cardiac Surgery.CompletedNCT00757198Phase 4
• Efficacy and Safety of Tapentadol Extended Release Tablets in the Treatment of Moderate to Severe Pain in Subjects With Knee OsteoarthritisCompletedNCT00745069Phase 2
• A Study To Assess The Ability Of Tramadol, Naproxen And Oxycodone To Affect The Pain Thresholds Of Patients With Osteoarthritis Of The ThumbCompletedNCT00743587Phase 1
• Anesthesiological Strategies in Elective CraniotomyCompletedNCT00741351Phase 3
• Comparison of Analgesic Efficacy of Fentanyl, Sufentanil and Butorphanol After Remifentanil AnesthesiaCompletedNCT00738192Phase 4
• Effect of Early Morphine Administration on the Development of Acute Opioid Tolerance During Pediatric Scoliosis SurgeryCompletedNCT00737997Phase 3
• Study to Evaluate the Subjective Effects of PTI-801 in Non-Physically Dependent Subjects With a History of Drug AbuseCompletedNCT00734461Phase 2
• Buprenorphine Naltrexone-P1 A-CocaineCompletedNCT00733720Phase 1
• A Comparative Study With Parenteral Oxycodone, Morphine and Dexamethasone in Postoperative Pain in Paediatric PatientsStatus unknownNCT00733083Not applicable
• Clonidine-Remifentanil. Effect of the Combination on Acute Pain and Respiration in Healthy VolunteersCompletedNCT00730054Phase 1/2
• A Pharmacokinetic (PK) Study of Extended-Release Epidural Morphine in Upper Abdominal SurgeryCompletedNCT00728832Phase 1
• Combination of an Investigational Cannabinoid and Methadone for HIV-associated NeuropathyWithdrawnNCT00723918Phase 2
• Premedication on Sevoflurane InductionCompletedNCT00723164Not applicable
• Pain Relief of Metoprolol Versus Metoprolol Plus Morphine in Acute Chest PainCompletedNCT00718406Phase 4
• Methadone Pharmacokinetics and Cardiac Effects in NewbornsCompletedNCT00715988Phase 1
• Pharmacokinetics of Fentanyl Following Intravenous and Oral Routes of Administration in Healthy VolunteersCompletedNCT00714558Phase 1
• Tramadol Versus Fentanyl for Post-Operative Analgesia in Newborn InfantsCompletedNCT00713726Phase 3
• Intravenous Remifentanil for Labor AnalgesiaCompletedNCT00710086Phase 4
• Study Evaluating Inhaled AeroLEF (Liposome-Encapsulated Fentanyl)in Normal Healthy SubjectsCompletedNCT00708318Phase 1
• Epidural Nalbuphine for Postcesarean Epidural Morphine Induced PruritusCompletedNCT00707824Phase 4
• Effect of Total Intravenous Anesthesia and Balanced Anesthesia on Postoperative Lung FunctionCompletedNCT00706277Phase 4
• The Effect of Escitalopram on the Pharmacokinetics and Pharmacodynamics of Tramadol in Healthy SubjectsCompletedNCT00692263Phase 4
• A Phase III Clinical Study of KW-2246 for Breakthrough Pain in Cancer PatientsCompletedNCT00684632Phase 3
• A Phase III Clinical Study of KW-2246CompletedNCT00683995Phase 3
• Controlled-Release Oxycodone For Postoperative Analgesia After Video-Assisted Thoracic SurgeryTerminatedNCT00681174Phase 4
• Randomized, Double-Blind Cross-Over Trial Of Buprenorphine and Low-Dose Naloxone Versus BuprenorphineCompletedNCT00679458Not applicable
• Clonidine and Morphine in Caudal AnesthesiaCompletedNCT00672347Phase 1/2
• Remifentanil and Propofol Versus Fentanyl and Midazolam for Sedation During Therapeutic Hypothermia. A Randomised, Controlled TrialCompletedNCT00667043Phase 4
• Effects of Remifentanil on Respiratory Function in Mechanically Ventilated PatientsCompletedNCT00665119Phase 4
• Initialization of Methadone in Primary Care, Randomized Intervention Research for Preventing HCV Transmission PracticesCompletedNCT00657397Phase 3
• A Randomized, Double-blind Comparison of Morphine and Sufentanil for Prehospital Traumatic Severe Acute PainCompletedNCT00656773Phase 3
• Bioavailability Study of Tramadol/APAP Tablets Under Fed ConditionsCompletedNCT00652821Phase 1
• A Study to Evaluate the Safety of D-TRANS Fentanyl With Naltrexone in Adult Patients With Chronic Pain and Who Are Opioid TolerantCompletedNCT00650182Phase 2
• Bioequivalence and Wear Study of Mylan Fentanyl Transdermal System 25 µg/h and Mylan Fentanyl Transdermal SystemCompletedNCT00650117Phase 1
• Study of the Effect of Clinical Procedures on Drug Delivery of Mylan Fentanyl Transdermal System 25 µg/hr and Duragesic® 25 µg/hrTerminatedNCT00648414Phase 1
• Investigation of Analgesic and Anti-hyperalgesic Effect of Opioids in Experimental PainCompletedNCT00647127Phase 3
• Ibuprofen or Morphine in Treating Pain in Patients Undergoing Pleurodesis for Malignant Pleural EffusionStatus unknownNCT00644319Phase 2
• Oxycodone and Pregabalin for the Treatment of Oncological Neuropathic PainCompletedNCT00637975Phase 2
• Intra-Articular Morphine Versus Bupivacaine on Knee Motion in Patients With OsteoarthritisCompletedNCT00636415Not applicable
• Analgesic Effect and Plasma Concentration of Epidural Versus Intravenous FentanylCompletedNCT00635986Not applicable
• A Multicentre Study to Evaluate the Safety and Efficacy of AD 923 in Comparison to MSIR for the Treatment of CBP in SubjectsTerminatedNCT00635063Phase 3
• Extension to Safety and Efficacy of Probuphine in the Treatment of Opioid DependenceCompletedNCT00630201Phase 3
• Effect of Thoracic Epidural Analgesia on Intravenous Closed-Loop AnesthesiaCompletedNCT00627081Phase 4
• A Study to Assess the Safety and Tolerability of Oxycodone Hydrochloride 50mg/mL Administered as an InfusionTerminatedNCT00626600Phase 3
• Effects of Smoking on Opioid Receptor Binding: A PET StudyCompletedNCT00618631Phase 1
• Effect of Topical Morphine (Mouthwash) on Oral Pain Due to Chemo- and/or Radiotherapy Induced MucositisCompletedNCT00613743Not applicable
• Sublingual Buprenorphine for Chronic PainStatus unknownNCT00612287Phase 2
• Remifentanil and Laryngeal Reflex Responses in Pediatric Patients With URICompletedNCT00611195Phase 4
• Sedation and Analgesia for Transjugular Liver Biopsy: A Randomized Double Blind Placebo Controlled TrialCompletedNCT00596414Phase 4
• Changes of the Neuronal Activity in the Subthalamic Nucleus Under Remifentanil Sedation During Stereotactic Electrode ImplantationStatus unknownNCT00588926Not applicable
• Safety of Driving After Minor Surgery With Monitored Anesthesia CareActive, not recruitingNCT00577200Phase 4
• 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 PatientsCompletedNCT00576173Phase 4
• Continuous Infusion of Fentanyl in Preterm on MVCompletedNCT00571636Phase 3
• Remifentanil for General Anesthesia in PreeclampticsStatus unknownNCT00567957Phase 4

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