Analgesics, Opioid: all 2,341 studies that test it
Page 12 of 24. Open to participants first (248), then studies with results posted, then the rest; newest registration first within each.
- Feasibility of Pediatric Emergency Department-Initiated Treatment for Adolescents With Opioid Use DisorderWithdrawnNCT04737603Phase 2
- Evaluation of Remifentanil and Dexmedetomidine in Patients With Noninvasive Mechanical Ventilation IntoleranceStatus unknownNCT04734418Not applicable
- General Anesthesia, Versus Axillary Block for Ambulatory Hand Surgery: Randomized Prospective StudyStatus unknownNCT04727515Not applicable
- Sedation Techniques for Outpatient ColonoscopyCompletedNCT04686058Phase 3
- Safety, Tolerability, Effectiveness, and Pharmacokinetic Data in Opioid-experienced ChildrenSuspendedNCT04681027Phase 3
- Intraoperative Methadone in Children Undergoing SurgeryTerminatedNCT04680286Phase 3
- Pain Relief After Trapeziectomy: Ibuprofen & Acetaminophen Versus OxycodoneTerminatedNCT04676802Phase 4
- Influence Of Low Dose Intrathecal Naloxone On Bupivacaine - Fentanyl Spinal Anaesthesia For Lower Limb Orthopedic Surgery In Elderly PatientsCompletedNCT04673812Not applicable
- Evaluation of Peripheral Itch Mechanisms Following Injection of MorphineCompletedNCT04672382Not applicable
- Assessment of the Pharmacodynamic and Pharmacokinetic Interaction of Remimazolam and RemifentanilCompletedNCT04670471Phase 1
- Attenuation of Airway and Cardiovascular Responses to Extubation in Chronic SmokersStatus unknownNCT04659642Early Phase 1
- Fentanyl Buccal Tablet for the Relief of Episodic Breathlessness in Cancer PatientsCompletedNCT04635852Phase 2
- Effects of Anaesthesia on Inflammatory MarkersCompletedNCT04630938Not applicable
- Enhanced Recovery After Cesarean Section With Low Dose Intrathecal Morphine.Status unknownNCT04618146Not applicable
- The Effect of Esketamine on Patients Undergoing Tumor SurgeryStatus unknownNCT04613869Not applicable
- Towards Enhanced Recovery After CesareanCompletedNCT04612920Early Phase 1
- Implications of Different Analgesic Models on Inflammatory Markers After Laparoscopic CholecystectomyCompletedNCT04609033Not applicable
- Effect of Tramadol Versus Morphine on PD1 and PD1-ligand in Patients With Chronic Cancer PainStatus unknownNCT04589494Phase 2/3
- Adding Nalbuphine for Control of Intrathecal Morphine PruritusStatus unknownNCT04589429Phase 2
- Dose Finding Study of STR-324Status unknownNCT04582786Phase 2
- Magnesium Versus High Dose Fentanyl in Endotracheal IntubationCompletedNCT04544163Not applicable
- Influence of Aging on Perioperative Methadone DosingCompletedNCT04526236Phase 4
- Intraoperative Methadone for Postoperative Pain Control After Thoracic SurgeryTerminatedNCT04525898Phase 4
- Virginia Opioid Treatment-Emergency DepartmentWithdrawnNCT04523792Phase 3
- Pain Control Differences Between Oxycodone and Ibuprofen in Children With Isolated Forearm InjuriesWithdrawnNCT04523623Not applicable
- Effect of Intrathecal Naloxone in the Incidence of Pruritis After C.SCompletedNCT04518618Not applicable
- Morphine for Dyspnea in Pulmonary FibrosisStatus unknownNCT04497831Phase 3
- The Analgesic Effect of Butorphanol After Cesarean SectionStatus unknownNCT04490980Not applicable
- Effect of Butorphanol on Colonoscopy for Patients With Postoperative Visceral PainCompletedNCT04477733Phase 4
- Methadone in Cystectomy PatientsCompletedNCT04475029Not applicable
- Optimizing Retention, Duration and Discontinuation Strategies for Opioid Use Disorder Pharmacotherapy (RDD)Active, not recruitingNCT04464980Phase 2
- Suboxone User Perioperative Early Referral and Enhanced Recovery After Surgery- Orthopaedic Trauma Surgery PopulationWithdrawnNCT04464512Phase 4
- Safety and Efficacy of Tramadol in COVID-19 Egyptian PatientsStatus unknownNCT04454307Phase 1/2
- Comparison of Meperidine and Sufentanil Added to 0.5% Hyperbaric Bupivacaine for Spinal Anesthesia in Cesarean SectionStatus unknownNCT04446715Not applicable
- Efficacy of Dexmedetomidine Versus Morphine as an Adjunct to Bupivacaine in Caudal Anesthesia.CompletedNCT04445636Not applicable
- Different Anesthesia Maintain Protocol Effect the Outcome of the PatientsCompletedNCT04443946Phase 4
- Effect of Continue RISS Block in ThoracotomyCompletedNCT04443556Not applicable
- Analgesia After Knee Arthroscopy :Dexmedetomidine vs FentanylCompletedNCT04442906Not applicable
- Hydromorphone for ICU-analgesia in Patients With Non-mechanical VentilationCompletedNCT04436224Phase 4
- Inflammatory Effect Comparison Between Fentanyl and Remifentanil in Mastectomy Under General AnesthesiaCompletedNCT04435925Not applicable
- Assessment of Postop Hypospadias PainStatus unknownNCT04423107Phase 3
- Effect of Fentanyl With Topical Levobupivacaine With Nasal Packing in Endoscopic Nasal SurgeryStatus unknownNCT04410588Phase 2
- Dexmedetomidine or Fentanyl as Additives to Epidural Levobupivacaine in Painless LaborCompletedNCT04397406Phase 4
- Non-analgesic Effects Produced by Equipotent Analgesic Doses of Sufentanil, Hydromorphone, and OxycodoneCompletedNCT04396587Phase 4
- Improving Quality of Bier BlockStatus unknownNCT04393610Phase 2/3
- Wound Infiltration With Tramadol, Dexmedetomidine, or Magnesium Plus Ropivacaine for Pain Relief After Spine SurgeryCompletedNCT04391855Phase 4
- The Effect of Analgesic Drugs on Respiratory CenterStatus unknownNCT04372342Phase 4
- Association Between Anesthetic Drugs for General Anesthesia and Postoperative Intelligence/behavioral Assessment Results in ChildrenActive, not recruitingNCT04364945Not applicable
- EXHIT ENTRE Comparative Effectiveness TrialCompletedNCT04345718Phase 2/3
- Propofol Versus Sevoflurane on Acute Postoperative PainCompletedNCT04333992Not applicable
- Comparison of Analgesic Effect and Prognosis of Butorphanol and Fentanyl in Patients With Mechanical VentilationStatus unknownNCT04315935Phase 4
- Comparison of Tramadol and Dexmedetomidine in the Prevention of Urinary Catheter Discomfort in Urinary SurgeryCompletedNCT04314050Not applicable
- Effect of Oral Tramadol Administration Prior to IUD InsertionStatus unknownNCT04312061Phase 3
- Effect of Opioid Infusion Rate on Abuse Liability Potential of Intravenous Hydromorphone for Cancer PainActive, not recruitingNCT04296305Phase 4
- Comparison of Transdermal Fentanyl and Morphine for Oral Mucositis Pain in Nasopharyngeal Cancer PatientsStatus unknownNCT04292990Phase 4
- A Comparison of Rocuronium 0.6 mg/kg and Remifentanil 2 µg/kg in Elderly Patients Over 80 YearsCompletedNCT04287426Phase 4
- Quality of Recovery Following Opioids Free Anaesthesia in Laparoscopic Sleeve GastrectomyCompletedNCT04285255Not applicable
- Decreased Neuraxial Morphine After Cesarean DeliveryCompletedNCT04279054Early Phase 1
- Opioids Following ACLStatus unknownNCT04278703Not applicable
- Rapid Antidepressant Improvement Secondary to Excitatory Brain ResponsesCompletedNCT04276259Phase 4
- Opioid Free vs Opioid Based Anesthesia for Laparoscopic Sleeve GastrectomyCompletedNCT04260659Phase 4
- Role of Opioids in Epidural SolutionsCompletedNCT04251962Phase 4
- Anti-suicidal Effects of Buprenorphine in Opioid Use DisorderWithdrawnNCT04234516Phase 4
- Comparison of Nebulized Fentanyl, Midazolam and Dexmedetomidine as a Premedication in Pediatric Dental SurgeriesCompletedNCT04226885Not applicable
- Long Acting Subcutaneous vs Short Acting Sublingual Buprenorphine in Pregnant and Lactating WomenWithdrawnNCT04212065Phase 4
- Transversus Abdominis Plane Block and Quadratus Lumborum Block in Pediatric PatientsCompletedNCT04209478Not applicable
- The Effect of Low-Dose vs High-Dose Epidural Fentanyl on Gastric Emptying - A Prospective Double-Blinded Randomized Controlled TrialStatus unknownNCT04202887Not applicable
- Preoperative Acetaminophen- Caffeine- Codeine Combination and Anaesthetic Success in Patients With Acute PulpitisCompletedNCT04202406Not applicable
- Comparison of Ropivacaine With or Without Fentanyl in Spinal Anaesthesia for Lower Limb SurgeriesStatus unknownNCT04199013Phase 4
- Use of Intrathecal Analgesia in AppendectomyCompletedNCT04196946Not applicable
- Fentanyl Buccal Tablet or Morphine for Exertional Dyspnea in Cancer PatientsActive, not recruitingNCT04188418Phase 3
- Remifentanil Versus Fentanyl During Laparoscopic HysterectomyStatus unknownNCT04178785Not applicable
- Oral Use of Dexketoprofen/Tramadol for Acute Postoperative Pain in Total Hip Replacement With a Direct Anterior Approach.CompletedNCT04178109Phase 2
- Post Operative Pain Control of POEM ProcedureStatus unknownNCT04177342Phase 4
- Opioid-Free Orthopaedic SurgeryCompletedNCT04176783Not applicable
- Effect of Intravenous Magnesium on Post-spinal Fentanyl Induced Pruritus IncidenceStatus unknownNCT04160598Not applicable
- Dexmedetomidine Sedation in Orthopedic SurgeryStatus unknownNCT04149626Phase 2
- Comparison Of Dexmedetomidine, Fentanyl And Lignocaine In Attenuation Of Hemodynamic Response To Direct Laryngoscopy And Intubation In Patient Undergoing Laparoscopic CholecystectomyStatus unknownNCT04138472Not applicable
- Comparison of Effects of Oxycodone and Sufentanil on Cardiovascular Stress Induced by Tracheal Intubation in the Patients With Coronary Heart Disease Undergoing Major Noncardiac SurgeryCompletedNCT04121416Not applicable
- Effects of Remifentanil on Cardiac Function in Patients With Diastolic DysfunctionStatus unknownNCT04117009Phase 4
- A Relation of Morphine-induced Itch and Pain ProcessingCompletedNCT04115462Not applicable
- Clinical Effectiveness of Pre-operative Methadone in Single Level Lateral Transpsoas Interbody FusionsStatus unknownNCT04112550Phase 1
- the Effect of Different Drugs and Infusion Ways on Degree of Postoperative ComfortCompletedNCT04111328Phase 4
- Multimodal Analgesia Strategies After Major Shoulder Ambulatory SurgeryCompletedNCT04110665Phase 4
- Opioid Free Anesthesia in ENT SurgeryStatus unknownNCT04105946Not applicable
- Intrathecal Bupivacaine-fentanyl and Bupivacaine-dexmedetomidine for Elective Low Segment Caesarean SectionCompletedNCT04095013Not applicable
- Effect of Standard of Care Reduced Dose Versus Full Dose Buprenorphine/Naloxone in the Perioperative Period on Pain Control and Post-Operative Opioid Use Disorder SymptomsWithdrawnNCT04091009Phase 4
- Comparison Of Dexmedetomidine and Fentanyl In Attenuation Of Hemodynamic Response To Direct Laryngoscopy And Intubation In Patient Undergoing Laparoscopic Cholecystectomy.CompletedNCT04089592Not applicable
- Generation of Biological Samples Positive to Hydromorphone for Anti-doping ControlCompletedNCT04081376Phase 1
- Evaluation of the Efficacy of Intra-nasal Sufentanil for Analgesia of Vaso-occlusive Crisis in Sickle-cell Adults.TerminatedNCT04076748Phase 3
- Stress Assessment With and Without Analgesia During Surfactant Therapy in Preterm Infants.Status unknownNCT04073173Phase 4
- Sufentanil on Anesthesia Introduction and Recovery Quality in Pediatric AdenotonsillectomyCompletedNCT04067648Not applicable
- Dexmedetomidine Versus Nalbuphine in Prevention of Emergence Agitation Following Adenotonsillectomy in PediatricsStatus unknownNCT04058899Phase 1/2
- The Effect of Enhanced Recovery After Surgery in Endoscopic Sinus SurgeryCompletedNCT04048070Not applicable
- Cognitive Function and Pain Threshold in People Who Are Methadone MaintainedCompletedNCT04027166Early Phase 1
- Concepts for Analgosedation During Placement of Regional Anaesthesia Before Operations.CompletedNCT04026074Phase 4
- The PATHFINDER Study: A Feasibility TrialCompletedNCT04016740Early Phase 1
- Vital Signs-Integrated Patient-Assisted Intravenous Opioid Analgesia for Post Surgical PainActive, not recruitingNCT04011163Phase 2/3
- Development of Variable Volume Automated Mandatory Boluses for Patient-controlled Epidural Analgesia During LabourActive, not recruitingNCT04011150Phase 3
- Remifentanil Tapering and Post-adenotonsillectomy Pain in ChildrenTerminatedNCT03994146Phase 4