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ClinicalTrials.gov public records Last synced Oct 9, 2026, 5:09 PM EDT

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Showing 193–210 of 210 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Morphine or Placebo Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Abuse Liability Potential of Samidorphan in Healthy, Non-Dependent, Recreational Opioid Users

NCT02218021
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Samidorphan, Placebo, Oxycodone
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Oct 9, 2026, 5:09 PM EDT
Not listed Phase 4 Interventional

Study to Examine Pain Relief With Supplemental Intrathecal Morphine in TKA Patients

NCT02620631
View directory record Official record
Conditions
Acute Pain
Interventions
Morphine, Placebo
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Dec 3, 2015 · Synced Oct 9, 2026, 5:09 PM EDT
Not listed Phase 3 Interventional

Femoral Nerve Block Compared to Exparel in Total Knee Replacement

NCT02473198
View directory record Official record
Conditions
Osteoarthritis, Pain
Interventions
Exparel, Femoral Nerve Block Bupivacaine, Toradol, Morphine Sulfate
Drug
Lead sponsor
The New England Baptist Hospital
Other
Eligibility
18 Years to 73 Years
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced Oct 9, 2026, 5:09 PM EDT
Terminated Phase 3 Interventional Results available

Tanezumab In Osteoarthritis Of The Hip Or Knee

NCT00985621
View directory record Official record
Conditions
Osteoarthritis
Interventions
tanezumab 10 mg, tanezumab 5 mg, oxycodone, placebo
Biological · Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
614 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
66
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated May 14, 2021 · Synced Oct 9, 2026, 5:09 PM EDT
Completed Phase 3 Interventional Results available

IV Acetaminophen as Adjuvant Analgesic to Hydromorphone - Emergency Department Patients

NCT03553498
View directory record Official record
Conditions
Acute Pain
Interventions
IV acetaminophen, IV placebo, hydromorphone
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
21 Years to 64 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 9, 2026, 5:09 PM EDT
Completed Phase 4 Interventional Results available

Efficacy of Ketamine for Improvement in Postoperative Pain Control After Spinal Fusion for Idiopathic Scoliosis

NCT02651324
View directory record Official record
Conditions
Idiopathic Scoliosis, Post-operative Pain
Interventions
Ketamine, Placebo
Drug · Other
Lead sponsor
Albany Medical College
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Oct 9, 2026, 5:09 PM EDT
Completed Phase 1Phase 2 Interventional

Effects of Buprenorphine/Naloxone Dose on Experimental Stress Reactivity and Opioid Abstinence

NCT03015246
View directory record Official record
Conditions
Heroin Dependence, Opioid Use Disorder
Interventions
Extended release morphine, Buprenorphine/Naloxone low dose, Buprenorphine/Naloxone moderate dose, Buprenorphine/Naloxone high dose, Active stressor, Placebo stressor
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 10, 2020 · Synced Oct 9, 2026, 5:09 PM EDT
Terminated Phase 2 Interventional Results available

CHF6563 in Babies With Neonatal Opioid Withdrawal Syndrome

NCT04104646
View directory record Official record
Conditions
Neonatal Opioid Withdrawal Syndrome
Interventions
CHF6563, Morphine, CHF6563 matched placebo, Morphine matched placebo
Drug
Lead sponsor
Chiesi Farmaceutici S.p.A.
Industry
Eligibility
Up to 7 Days
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Las Vegas, Nevada • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 3, 2023 · Synced Oct 9, 2026, 5:09 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Mechanistic Evaluation of Polypharmacy Effects for Pain

NCT07846020
View directory record Official record
Conditions
Chronic Lower Back Pain (CLBP)
Interventions
Within-subject test of blinded study medications (Placebo, Hydromorphone, Gabapentin)
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2032
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 9, 2026, 5:09 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Dexmedetomidine in the Treatment of Symptoms Of Acute Opioid Withdrawal

NCT04470050
View directory record Official record
Conditions
Opioid Withdrawal
Interventions
Dexmedetomidine, Placebo
Drug
Lead sponsor
BioXcel Therapeutics Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Miami Lakes, Florida • Marlton, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 9, 2026, 5:09 PM EDT
Completed Phase 1 Interventional

Study of the Treatment of Experimental Pain in Opioid Dependent Persons on Methadone or Buprenorphine Maintenance

NCT01642030
View directory record Official record
Conditions
Opioid Dependence, Pain, Addiction
Interventions
Placebo, Hydromorphone, Buprenorphine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Oct 9, 2026, 5:09 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Study to Assess Dopamine Receptor Modulation With Rotigotine to Enhance Morphine Analgesia in the Dental Model

NCT02123979
View directory record Official record
Conditions
Post-op Pain
Interventions
Neupro® transdermal patch/placebo
Drug
Lead sponsor
East Carolina University
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2015 · Synced Oct 9, 2026, 5:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Abuse Potential Study of PF-00345439

NCT01986283
View directory record Official record
Conditions
Opioid Users
Interventions
Capsule, PF-00345439, oxycodone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 4, 2016 · Synced Oct 9, 2026, 5:09 PM EDT
Completed Phase 2 Interventional Results available

Phase 2 Chronic Low Back Pain Study

NCT01364922
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
hydrocodone/acetaminophen extended release, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 75 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
17
States / cities
Tucson, Arizona • Anaheim, California • Burbank, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2014 · Synced Oct 9, 2026, 5:09 PM EDT
Terminated Phase 1 Interventional

Acute Pain Management in Patients on Opioid Replacement Therapy

NCT03933865
View directory record Official record
Conditions
Opioid-use Disorder, Pain, Acute
Interventions
HYDROmorphone Injectable Solution, Ketamine, Placebos
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 60 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 10, 2022 · Synced Oct 9, 2026, 5:09 PM EDT
Completed Phase 2 Interventional Results available

Celecoxib After Tonsillectomy

NCT02934191
View directory record Official record
Conditions
Tonsillectomy
Interventions
Celecoxib, Placebo, Acetaminophen, Oxycodone
Drug · Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
3 Years to 11 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Oct 9, 2026, 5:09 PM EDT
Completed Phase 2 Interventional

Effectiveness of Adding Morphine to Intraosseous Vancomycin for Pain Control in Total Knee Arthroplasty

NCT06716749
View directory record Official record
Conditions
Primary Total Knee Arthroplasty, Intraosseous Morphine Injection, Knee Osteoarthritis
Interventions
Morphine, Vancomycin
Drug
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Oct 9, 2026, 5:09 PM EDT
Terminated Phase 2 Interventional Results available

Relieving Acute Pain (RAP) Study: A Pilot Study

NCT03426137
View directory record Official record
Conditions
Trauma, Opioid Use, Spine Fusion
Interventions
Oxycodone, Ketorolac, Placebo
Drug · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Oct 9, 2026, 5:09 PM EDT