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Showing 1–24 of 82 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Fentanyl/Morphine Clear all
Completed Not applicable Interventional Results available

Liposomal Bupivacaine Versus Standard Analgesia in Total Joint Arthroplasty (TJA)

NCT02197273
View directory record Official record
Conditions
Osteoarthritis, Knee, Osteoarthritis, Hip, Osteoarthritis, Shoulder
Interventions
Liposomal bupivacaine, Standard of care analgesia
Drug
Lead sponsor
OhioHealth
Other
Eligibility
18 Years and older
Enrollment
211 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 20, 2016 · Synced Sep 8, 2026, 5:50 PM EDT
Enrolling by invitation No phase listed Observational

Evaluation of the Typical Spinal Block During Cesarean Delivery

NCT06206044
View directory record Official record
Conditions
Cesarean Section, Anesthesia, Obstetric
Interventions
Intrathecal 1.6 ml 0.75% bupivacaine in 8.25% dextrose combined with 15 mcg fentanyl and 150 mcg preservative-free morphine
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
15 Years to 55 Years · Female only
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Herb-Opioid Interactions

NCT00027014
View directory record Official record
Conditions
Pain
Interventions
St. John's Wort, oxycodone, fentanyl
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
21 Years to 45 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 7, 2007 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Breakthrough Dyspnea Fentanyl Study in Cancer Patients

NCT01515566
View directory record Official record
Conditions
Advanced Cancers, Dyspnea
Interventions
Fentanyl, Placebo, Walking Tests, Questionnaires
Drug · Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2014 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Phase 4 Interventional Results available

MAST Trial: Multi-modal Analgesic Strategies in Trauma

NCT03472469
View directory record Official record
Conditions
Nonspecific Pain Post Traumatic Injury
Interventions
Acetaminophen IV/PO, Acetaminophen PO, Ketorolac, Celebrex, Naproxen, Tramadol, Pregabalin, Gabapentin, Lidocaine, Opioids, Regional anesthesia
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
16 Years and older
Enrollment
1,561 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 8, 2026, 5:50 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Intraoperative Methadone Administration for Improved Pain Control in Spinal Fusion Patients

NCT02989597
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Methadone Hydrochloride, Standard pain regimen, Spinal Fusion Surgery, Dexamethasone, Ketamine, Remifentanil, Sufentanil
Drug · Other · Procedure
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced Sep 8, 2026, 5:50 PM EDT
Recruiting No phase listed Observational

Pharmacokinetics of Sedatives and Analgesics During Extracorporeal Membrane Oxygenation (ECMO) Support

NCT03593408
View directory record Official record
Conditions
Drug Effect
Interventions
Dexmedetomidine, Fentanyl, Midazolam, Morphine
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
0 Days to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Pediatric Pain Optimization After Tonsillectomy

NCT05244226
View directory record Official record
Conditions
Obstructive Sleep Apnea, Tonsillitis, Pain, Procedural
Interventions
Fentanyl/Hydromorphone, Methadone
Drug
Lead sponsor
Duke University
Other
Eligibility
3 Years to 17 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 8, 2026, 5:50 PM EDT
Terminated Phase 3 Interventional Results available

Ibuprofen to Decrease Opioid Use and Post-operative Pain Following Unilateral Inguinal Herniorrhaphy

NCT02929589
View directory record Official record
Conditions
Pain, Hernia
Interventions
Ibuprofen, Opioid Medication, Placebo, Ibuprofen + Opioid medication
Drug
Lead sponsor
Mike O'Callaghan Military Hospital
Federal
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Nellis Air Force Base, Nevada
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Sep 8, 2026, 5:50 PM EDT
Terminated Phase 4 Interventional

Multimodal Analgesia vs. Routine Care Pain Management for Lumbar Spine Fusion Surgery: A Prospective Randomized Study

NCT02202369
View directory record Official record
Conditions
Single Level Lumbar Decompression and Fusion Spine Surgery
Interventions
Multimodal Analgesia Treatment, Standard of Care Pain Management Protocol
Other
Lead sponsor
OrthoCarolina Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 8, 2026, 5:50 PM EDT
Active, not recruiting Phase 3 Interventional

Thoracic Epidural Analgesia or Four-Quadrant Transversus Abdominus Plane Block in Reducing Pain in Patients Undergoing Liver Surgery

NCT03214510
View directory record Official record
Conditions
Liver and Intrahepatic Bile Duct Disorder
Interventions
Bupivacaine, Fentanyl, Hydromorphone Hydrochloride, Implanted Medical Device, Liposomal Bupivacaine, Questionnaire
Drug · Device · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Not applicable Interventional Results available

Methadone in Ambulatory Surgery

NCT02300077
View directory record Official record
Conditions
Post-operative Pain, Anesthesia
Interventions
methadone, Control (Intra-operative administration of opioids, other than methadone)
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 16, 2019 · Synced Sep 8, 2026, 5:50 PM EDT
Completed No phase listed Observational

Pharmacokinetics of Understudied Drugs Administered to Children Per Standard of Care

NCT01431326
View directory record Official record
Conditions
Adenovirus, Anesthesia, Anxiety, Anxiolysis, Autism, Autistic Disorder, Bacterial Meningitis, Bacterial Septicemia, Benzodiazepine, Bipolar Disorder, Bone and Joint Infections, Central Nervous System Infections, Convulsions, Cytomegalovirus Retinitis, Early-onset Schizophrenia Spectrum Disorders, Epilepsy, General Anesthesia, Gynecologic Infections, Herpes Simplex Virus, Infantile Hemangioma, Infection, Inflammation, Inflammatory Conditions, Intra-abdominal Infections, Lower Respiratory Tract Infections, Migraines, Pain, Pneumonia, Schizophrenia, Sedation, Seizures, Skeletal Muscle Spasms, Skin and Skin-structure Infections, Treatment-resistant Schizophrenia, Urinary Tract Infections, Withdrawal, Sepsis, Gram-negative Infection, Bradycardia, Cardiac Arrest, Cardiac Arrhythmia, Staphylococcal Infections, Nosocomial Pneumonia, Neuromuscular Blockade, Methicillin Resistant Staphylococcus Aureus, Endocarditis, Neutropenia, Headache, Fibrinolytic Bleeding, Pulmonary Arterial Hypertension, CMV Retinitis, Hypertension, Chronic Kidney Diseases, Hyperaldosteronism, Hypokalemia, Heart Failure, Hemophilia, Heavy Menstrual Bleeding, Insomnia
Interventions
The POPS study is collecting PK data on children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Daniel Benjamin
Other
Eligibility
Up to 21 Years
Enrollment
3,520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
43
States / cities
Anchorage, Alaska • Little Rock, Arkansas • La Jolla, California + 37 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2023 · Synced Sep 8, 2026, 5:50 PM EDT
Completed No phase listed Observational

Morphine for the Treatment of Pain in Patients With Breast Cancer

NCT00003000
View directory record Official record
Conditions
Pain
Interventions
fentanyl citrate, morphine sulfate
Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
Up to 120 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2001
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2015 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Hydromorphone vs Fentanyl in Children Undergoing Tonsillectomy Surgery

NCT04230681
View directory record Official record
Conditions
Obstructive Sleep Apnea, Tonsillitis
Interventions
Hydromorphone, Fentanyl
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
2 Years to 15 Years
Enrollment
189 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Phase 4 Interventional Results available

Methadone Versus Morphine for Orthopedic Surgery Patients

NCT00892606
View directory record Official record
Conditions
Fracture, Pain, Postoperative
Interventions
Methadone, Morphine
Drug
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced Sep 8, 2026, 5:50 PM EDT
Not listed Phase 4 Interventional

US-guided SAPB for Rib Fractures in the ED

NCT03619785
View directory record Official record
Conditions
Rib Fractures, Rib Fracture Multiple
Interventions
Bupivacaine, Fentanyl, morphine, hydromorphone, hydrocodone, acetaminophen, ketorolac, gabapentin, ketamine, ibuprofen
Drug
Lead sponsor
Andrew A Herring
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 8, 2026, 5:50 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Platelet Reactivity With Fentanyl, Morphine, or no Narcotic

NCT05367336
View directory record Official record
Conditions
Fentanyl, Platelet Reactivity
Interventions
Morphine, Fentanyl
Drug
Lead sponsor
Corewell Health South
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Saint Joseph, Michigan
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Phase 4 Interventional Results available

Compare Fentanyl Nasal Spray With Intravenous Opioids to Treat Severe Pain

NCT02459964
View directory record Official record
Conditions
Advanced Cancers, Pain
Interventions
Fentanyl Nasal Spray, Hydromorphone Hydrochloride, Phone Call
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Sep 8, 2026, 5:50 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Optimization of Pediatric Tonsillectomy to IMprove AnaLgesia

NCT06576830
View directory record Official record
Conditions
Pain, Postoperative, Tonsillar Hypertrophy, Tonsillitis, Pediatric Sleep Apnea, Sleep-Disordered Breathing
Interventions
Methadone, Fentanyl/Hydromorphone
Drug
Lead sponsor
Duke University
Other
Eligibility
3 Years to 17 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Phase 2 Interventional

A Laboratory Model for Heroin Abuse Medications - 8

NCT00000273
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders, Substance-Related Disorders
Interventions
opiates
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 45 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2005
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 4, 2017 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventative Delirium Protocol in Elderly Patients

NCT03541408
View directory record Official record
Conditions
Delirium
Interventions
Control, Preventative Delirium Protocol
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
65 Years to 89 Years
Enrollment
263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 11, 2022 · Synced Sep 8, 2026, 5:50 PM EDT
Terminated Phase 3 Interventional Results available

Sublingual Fentanyl and Procedural Burn Pain

NCT02241486
View directory record Official record
Conditions
Burn Pain
Interventions
Sublingual Fentanyl Spray
Drug
Lead sponsor
Loyola University
Other
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Sep 8, 2026, 5:50 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Fentanyl Administered Intraorally for Rapid Treatment of Orthopedic Pain

NCT00685295
View directory record Official record
Conditions
Pain, Fracture, Sprain
Interventions
Fentanyl, Lansoprazole, Oxycodone
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 8, 2017 · Synced Sep 8, 2026, 5:50 PM EDT