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

Page 8 of 24. Open to participants first (248), then studies with results posted, then the rest; newest registration first within each.

• Open-Label Safety and Tolerability Study of Oxymorphone for Acute Postoperative Pain in Pediatric Subjects.CompletedNCT00801398Phase 3Results posted
• An Efficacy and Safety Study of Fentanyl in Participants With Chronic PainCompletedNCT00788372Phase 3Results posted
• A Study to Compare Oxycodone/Naloxone Prolonged Release Against Codeine/Paracetamol in the Treatment of Moderate to Severe Chronic Low Back Pain or Pain Due to OsteoarthritisCompletedNCT00784810Phase 4Results posted
• A Study to Compare the Frequency of Constipation Symptoms With Tapentadol Immediate Release (IR) Treatment Versus Oxycodone IR Treatment in Patients With End-stage Joint DiseaseCompletedNCT00784277Phase 3Results posted
• Safety and Efficacy Study of Fentanyl Iontophoretic Transdermal System (ITS) for Management of Moderate to Severe Acute Pain in Participants Who Have Undergone Elective Spine or Orthopedic SurgeryTerminatedNCT00779038Phase 4Results posted
• Tapentadol IR vs Oxycodone IR vs Placebo in Acute Pain From Vertebral Compression Fracture Associated With OsteoporosisCompletedNCT00771758Phase 3Results posted
• An Efficacy and Safety Study of Hydromorphone Oral Osmotic System (OROS) in Korean Participants With Cancer PainCompletedNCT00766831Phase 4Results posted
• An Efficacy Study of Combination of Tramadol and Acetaminophen Tablets in the Treatment of Participants With Fibromyalgia PainCompletedNCT00766675Phase 4Results posted
• Open-Label Safety and Tolerability of Oxymorphone IR and ER in Opioid Tolerant Pediatric SubjectsTerminatedNCT00765856Phase 3Results posted
• Relapse Prevention to Reduce HIV Among Women PrisonersCompletedNCT00763958Phase 4Results posted
• Study to Evaluate the Safety and Efficacy of ABT-712 in Subjects With Moderate to Severe Chronic Low Back Pain (CLBP)CompletedNCT00763321Phase 3Results posted
• Study to Evaluate the Safety and Efficacy of ABT-712 in Subjects With Moderate to Severe Chronic Low Back Pain (CLBP)CompletedNCT00761150Phase 3Results posted
• Methadone in Pediatric and Adult Sickle Cell PatientsCompletedNCT00761085Not applicableResults posted
• Comparison of One Morphine Sulfate Sustained-Release 200 mg Capsule With Two 100 mg KADIAN Capsules on ApplesauceCompletedNCT00759954Phase 1Results posted
• Comparison of Two KADIAN 10 mg Capsules to a KADIAN 20 mg Capsule Under Fed ConditionsCompletedNCT00759915Phase 1Results posted
• Comparison of Two KADIAN 10 mg Capsules to a KADIAN 20 mg Capsule Under Fasted ConditionsCompletedNCT00759902Phase 1Results posted
• Comparison of One Morphine Sulfate Sustained-Release 200mg Capsule With Two 100 mg KADIAN Capsules Under Fasting ConditionsCompletedNCT00759759Phase 1Results posted
• Comparison of One Morphine Sulfate Sustained-Release 200mg Capsule With Two 100 mg KADIAN Capsules Under Fed ConditionsCompletedNCT00759356Phase 1Results posted
• Hormone Function in Men Treated for Pain With Opioids or PlaceboCompletedNCT00737737Phase 4Results posted
• A Comparative Study of JNS013 in Participants With Post-Tooth-Extraction PainCompletedNCT00737048Phase 3Results posted
• A Long-term Efficacy and Safety Study of Tramadol Hydrochloride Plus Acetaminophen (JNS013) in Japanese Participants With Chronic PainCompletedNCT00736957Phase 3Results posted
• An Efficacy and Safety Study of Acetaminophen Plus Tramadol Hydrochloride (JNS013) in Participants With Chronic PainCompletedNCT00736853Phase 3Results posted
• Methadone, Morphine, or Oxycodone in Treating Pain in Patients With CancerTerminatedNCT00726830Not applicableResults posted
• A Multicenter, Randomized, Placebo-Controlled Phase 2 Study to Evaluate the Clinical Efficacy, Safety, and Tolerability of ARX-F01 Sublingual Sufentanil in Patients Undergoing Major Abdominal SurgeryCompletedNCT00718081Phase 2Results posted
• Efficacy of Nalbuphine and Naloxone Administered as Nose Sprays in the Treatment of Orofacial PainTerminatedNCT00716807Not applicableResults posted
• Morphine After Radiofrequency Ablation of Painful Bone Metastases in Patients With CancerCompletedNCT00712712Phase 2Results posted
• Abuse Liability of Suboxone Versus SubutexCompletedNCT00710385Phase 3Results posted
• Pain Medicine for Wound Care ProceduresCompletedNCT00701909Phase 3Results posted
• Study of the Abuse Liability of Oxycodone HCl/Niacin in Subjects With a History of Opioid AbuseCompletedNCT00699010Phase 2Results posted
• Fentanyl Administered Intraorally for Rapid Treatment of Orthopedic PainCompletedNCT00685295Phase 1/2Results posted
• Buprenorphine Maintenance Treatment of Opioid Dependence in Primary Care: A Randomized Clinical TrialCompletedNCT00684554Phase 2/3Results posted
• Preference for Subutex® (Buprenorphine) Versus Suboxone® (Buprenorphine/Naloxone) in Opioid Dependent Patients on Subutex® (Study P05094)(COMPLETED)CompletedNCT00684073Phase 4Results posted
• Safety Study of Intravenous Hydromorphone Using Incremental 1mg Doses up to 2mg for Adult ED PatientsCompletedNCT00682435Phase 4Results posted
• Mechanisms of Hypoglycemia Associated Autonomic FailureTerminatedNCT00678145Phase 2Results posted
• Heritability of Opioid Effects: A Twin StudyCompletedNCT00672438Not applicableResults posted
• Standard Pain Control or Intrathecal Therapy in Controlling Pain in Patients With Locally Advanced, Unresectable, or Metastatic Pancreatic CancerTerminatedNCT00660348Not applicableResults posted
• Pharmacokinetics and Pharmacodynamics of Dexmedetomidine in Pediatrics SubjectsCompletedNCT00652028Phase 2Results posted
• An Efficacy and Safety Study of Fentanyl (JNS020QD) in Participants With Cancer PainCompletedNCT00641667Phase 3Results posted
• Effects of Two Different Sedation Regimes on Auditory Evoked Potentials and Electroencephalogram (EEG)CompletedNCT00641563Not applicableResults posted
• Evaluation of Risk Minimization, Assessment and Outcomes in Patients With Chronic Pain Taking AvinzaCompletedNCT00640042Phase 4Results posted
• Induction of Opioid-Dependent Individuals Onto Buprenorphine and Buprenorphine/NaloxoneCompletedNCT00637000Phase 2Results posted
• A Comparative Study of Tramadol Hydrochloride Plus Acetaminophen Tablets Maintenance Versus Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) Maintenance in Participants With Knee OsteoarthritisCompletedNCT00635349Phase 4Results posted
• A Study to Compare Safety and Efficacy of Tramadol Hydrochloride/Acetaminophen With Gabapentin in Participants With Diabetic NeuropathyCompletedNCT00634543Phase 4Results posted
• Morphine Versus Methadone As First Line Strong Opioid for Cancer PainTerminatedNCT00634010Phase 3Results posted
• Protocolized vs Nonprotocolized Treatment of Adult ED Patients With Acute Severe PainCompletedNCT00627367Phase 3Results posted
• Intravenous Versus Inhalational Anesthesia in Parkinson's DiseaseTerminatedNCT00615472Not applicableResults posted
• A Study to Evaluate the Effectiveness and Safety of Tapentadol (CG5503) in the Treatment of Acute Pain From Bunionectomy.CompletedNCT00613938Phase 3Results posted
• A Methodology Study Of Brain Imaging Of Pain-Killers In Post-Traumatic Neuropathic Pain PatientsCompletedNCT00610155Not applicableResults posted
• A Trial to Evaluate CG5503 Efficacy and Safety in Acute Pain After BunionectomyCompletedNCT00609466Phase 3Results posted
• A Randomized Acceptability and Safety Study of Suboxone Induction in Heroin Users (P05042)(COMPLETED)CompletedNCT00604188Phase 4Results posted
• Study on the Safety and Effectiveness of Switching Between Two Forms of Tapentadol in Patients With Chronic Low Back PainCompletedNCT00594516Phase 3Results posted
• A Pilot Study of Switching From One Pain Medication to Another (Opioid Rotation)CompletedNCT00580294Not applicableResults posted
• Buprenorphine for PrisonersCompletedNCT00574067Phase 3Results posted
• Methadone Versus Morphine for Cancer-Related PainTerminatedNCT00573937Phase 2Results posted
• Pharmacokinetic Interactions Between Buprenorphine and Kaletra (Lopinavir/Ritonavir)CompletedNCT00571961Not applicableResults posted
• Efficacy of Multimodal Peri- and Intraarticular Drug Injections in Total Knee ArthroplastyCompletedNCT00562627Phase 4Results posted
• Role of Methadone As Co-Opioid AnalgesicTerminatedNCT00558870Phase 2Results posted
• Buprenorphine as a Treatment in Opiate Dependent Pain PatientsTerminatedNCT00552578Phase 4Results posted
• Evaluate the Use of Paravertebral Block in Reconstructive Breast SurgeryCompletedNCT00542542Phase 3Results posted
• Buprenorphine Transdermal System (BTDS) in Subjects w/Mod-sev Osteoarthritis (OA) Chronic Pain of KneeCompletedNCT00531427Phase 3Results posted
• Effects of General Anesthesia and Spinal-Morphine Anesthesia on Recovery and Comfort After Benign Abdominal HysterectomyCompletedNCT00527332Phase 4Results posted
• A Study to Evaluate the Effectiveness and Safety of CG5503 (Tapentadol) in the Treatment of Chronic Tumor Related Pain Compared With Placebo and MorphineTerminatedNCT00505414Phase 3Results posted
• The Discriminative Effects of Tramadol in HumansCompletedNCT00499746Phase 1/2Results posted
• Effects of Garlic Supplements on Opioids in Healthy VolunteersCompletedNCT00499460Phase 4Results posted
• Buprenorphine Transdermal System (BTDS) in Subjects With Moderate to Severe Chronic Low Back PainCompletedNCT00490919Phase 3Results posted
• An Open-label Extension Study With Flexible Dosing of Extended-release (ER) Tapentadol (CG5503) to Treat Patients With Moderate to Severe Chronic PainCompletedNCT00487435Phase 3Results posted
• A Study to Evaluate the Efficacy and Safety of CG5503 Prolonged Release (PR) in Subjects With Moderate to Severe Chronic Pain Due to Osteoarthritis of the KneeCompletedNCT00486811Phase 3Results posted
• Pharmacokinetic Interactions Between Buprenorphine and Tipranavir/RitonavirCompletedNCT00486330Not applicableResults posted
• Measuring Gait And Self-Reported Pain In Patients With Osteoarthritis Of The Knee Using Placebo/Oxycodone/Celecoxib.TerminatedNCT00484718Phase 4Results posted
• A Study to Evaluate the Efficacy and Safety of Tapentadol (CG5503) in the Treatment of Acute Pain After Abdominal HysterectomyCompletedNCT00478023Phase 3Results posted
• A Study to Evaluate Tapentadol (CG5503) in the Treatment of Chronic Tumor-Related Pain Compared With Placebo and MorphineCompletedNCT00472303Phase 3Results posted
• An Open-label Study of Hydromorphone Oral Solution in Subjects Aged 28 Days to 16 Years for Postoperative PainCompletedNCT00465647Phase 4Results posted
• Buprenorphine's Dose Response CurveCompletedNCT00460239Phase 2Results posted
• A Safety and Efficacy Study for Tapentadol (CG5503) Extended Release for Patients With Painful Diabetic Peripheral NeuropathyCompletedNCT00455520Phase 3Results posted
• A Study to Evaluate the Effectiveness and Safety of Tapentadol (CG5503) Extended Release (ER) in Patients With Moderate to Severe Chronic Low Back PainCompletedNCT00449176Phase 3Results posted
• Pharmacoeconomic Consequences Of Analgesia in the Intensive Care Unit (ICU)TerminatedNCT00436345Phase 3Results posted
• Effects of Pentazocine Versus Lorazepam on Manic SymptomsCompletedNCT00431184Phase 2Results posted
• Tapentadol (CG5503)CompletedNCT00421928Phase 3Results posted
• Regional Anesthesia and Breast Cancer RecurrenceCompletedNCT00418457Phase 3Results posted
• Trial of Analgesia With Lidocaine or Extended-release Oxycodone for Neuropathic Pain Treatment in Multiple SclerosisTerminatedNCT00414453Phase 4Results posted
• Safety of Buprenorphine Transdermal System (BTDS) in Subjects With Acute Postoperative Pain After Total Knee ReplacementTerminatedNCT00403234Phase 2Results posted
• Open-Label Study to Evaluate the Effect of Treatment With Fentanyl Buccal Tablets on Pain Anxiety Symptoms When Used for the Management of Breakthrough PainTerminatedNCT00387010Phase 3Results posted
• Evaluation of Stepped Care for Chronic Pain in Iraq/Afghanistan Veterans (ESCAPE)CompletedNCT00386243Not applicableResults posted
• Comparison of Side Effects of Morphine and Hydromorphone Patient-Controlled Analgesia (PCA)CompletedNCT00385541Phase 4Results posted
• A Study to Evaluate the Effectiveness and Safety of Tapentadol(CG5503) in the Treatment of Acute Pain After Hip Replacement Surgery Compared With Oxycodone and Placebo Followed by a Voluntary Open-Label Extension For SafetyTerminatedNCT00364533Phase 3Results posted
• A Study to Evaluate Long-Term Safety of Multiple Doses of Tapentadol (CG5503) Prolonged-Release (PR) and Oxycodone Controlled-Release (CR) in Patients With Chronic PainCompletedNCT00361504Phase 3Results posted
• Morphine-Sparing Efficacy Of Parecoxib In Pain Treatment After Radical ProstatectomyTerminatedNCT00346268Phase 4Results posted
• The Effects of Dexmedetomidine and Remifentanil on Carotid PatientsTerminatedNCT00335972Phase 4Results posted
• Safety and Efficacy of DepoDur in Lumbar Spine Surgery PatientsCompletedNCT00335517Not applicableResults posted
• Buprenorphine in the Treatment of Osteoarthritis (OA) in the ElderlyCompletedNCT00324038Phase 4Results posted
• Buprenorphine Transdermal Patches (BTDS) in Subjects With Osteoarthritis Pain. Includes a 52-week Extension Phase.TerminatedNCT00320801Phase 3Results posted
• Buprenorphine Transdermal Patch in Subjects With Osteoarthritis Pain Requiring Opioids. Includes a 52-Week Safety Extension.TerminatedNCT00315458Phase 3Results posted
• The Safety and Efficacy of the Buprenorphine Transdermal System (BTDS) in Subjects With Chronic Back Pain.CompletedNCT00315445Phase 3Results posted
• Starting Treatment With Agonist Replacement Therapies (START)CompletedNCT00315341Phase 4Results posted
• A Comparison of the Addiction Liability of Hydrocodone and Sustained Release MorphineCompletedNCT00314340Phase 4Results posted
• Safety and Efficacy of Buprenorphine Transdermal System in Subjects With Moderate to Severe Osteoarthritis of Hip or KneeCompletedNCT00313846Phase 3Results posted
• Safety and Efficacy of Buprenorphine Transdermal System (BTDS) in Subjects With Moderate to Severe Low Back PainTerminatedNCT00313014Phase 3Results posted
• Safety and Efficacy of Dose Conversion From Vicodin® to Buprenorphine Transdermal System (Butrans™) in Subjects With OA PainCompletedNCT00312572Phase 3Results posted
• Safety and Efficacy of Buprenorphine Transdermal System (BTDS) in Subjects With Moderate to Severe Osteoarthritis PainTerminatedNCT00312221Phase 3Results posted
• Safety and Efficacy of Buprenorphine Transdermal System (BTDS) in Subjects With Chronic Nonmalignant PainCompletedNCT00312195Phase 3Results posted

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