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ClinicalTrials.gov public records Last synced Oct 20, 2026, 9:53 AM EDT

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Showing 1–24 of 265 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: morphine Placebo Clear all
Terminated Phase 2 Interventional Results available

A Phase 2 Study of Atacicept in Subjects With Relapsing Multiple Sclerosis (ATAMS)

NCT00642902
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Atacicept, Placebo matched to atacicept
Drug
Lead sponsor
EMD Serono
Industry
Eligibility
18 Years to 60 Years
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
8
States / cities
Phoenix, Arizona • Atlanta, Georgia • Northbrook, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated May 24, 2016 · Synced Oct 20, 2026, 9:53 AM EDT
Terminated Not applicable Interventional Results available

Extended-release Epidural Morphine for Acute Post-operative Analgesia Following Selective Dorsal Rhizotomy in Children

NCT00955877
View directory record Official record
Conditions
Spastic Cerebral Palsy
Interventions
Extended-release Epidural morphine (EREM) 80, Extended-release Epidural Morphine (EREM) 120, Control: Saline
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
2 Years to 12 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 11, 2018 · Synced Oct 20, 2026, 9:53 AM 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 22, 2014 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Not applicable Interventional Results available

Reduced Opioid Analgesic Requirements Via Improved Endogenous Opioid Function

NCT02469077
View directory record Official record
Conditions
Chronic Pain
Interventions
6 week aerobic exercise intervention, Placebo, Morphine, naloxone
Behavioral · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
2
States / cities
Chicago, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Hallucinogens and Other Drugs on Mood and Performance

NCT02033707
View directory record Official record
Conditions
Healthy
Interventions
Hallucinogens and psychoactive substances
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 16, 2019 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 3 Interventional Results available

A Trial to Evaluate CG5503 Efficacy and Safety in Acute Pain After Bunionectomy

NCT00609466
View directory record Official record
Conditions
Bunionectomy, Pain, Postoperative Pain, Acute Pain
Interventions
CG5503 IR, Morphine, Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 80 Years
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
6
States / cities
Pasadena, Maryland • Austin, Texas • Houston, Texas + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2011 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 3 Interventional

A Study of Extended-Release Hydrocodone/Acetaminophen (Vicodin CR®) in Subjects With Acute Pain Following Bunionectomy

NCT00402792
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/Acetaminophen Extended Release, Placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
5
States / cities
Austin, Texas • Houston, Texas • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2011 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Analgesic Efficacy and Safety of Hydrocodone Bitartrate/Acetaminophen Immediate-Release Tablets in Participants With Moderate to Severe Pain Following Bunionectomy

NCT02487108
View directory record Official record
Conditions
Pain
Interventions
TV-46763, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
569 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
8
States / cities
Phoenix, Arizona • Anaheim, California • Bakersfield, California + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Oxycodone/Naloxone Controlled-release Tablets (OXN) Compared to Placebo in Opioid-experienced Subjects With Moderate to Severe Chronic Low Back Pain

NCT01358526
View directory record Official record
Conditions
Low Back Pain
Interventions
Oxycodone/Naloxone Controlled-release, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
1,095 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
151
States / cities
Birmingham, Alabama • Haleyville, Alabama • Huntsville, Alabama + 123 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2015 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 3 Interventional Results available

Blinded Trial of Buprenorphine or Morphine in the Treatment of the Neonatal Abstinence Syndrome

NCT01452789
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
sublingual buprenorphine, oral morphine
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
Not listed
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Influence of Medication on Functional Connectivity

NCT03612713
View directory record Official record
Conditions
Prescription Drug Abuse (Not Dependent)
Interventions
Oxycodone Medication First, Placebo First
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2024 · Synced Oct 20, 2026, 9:53 AM EDT
Recruiting Phase 1Phase 2 Interventional

Opioid Drug Interaction Study

NCT06757140
View directory record Official record
Conditions
Drug Interactions, Drug Kinetics
Interventions
Alprazolam, Oxycodone, Placebo
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 1 Interventional

Sensory Effects of Oral Opioid Treatment in Patients With Chronic Low Back Pain

NCT02824276
View directory record Official record
Conditions
Low Back Pain
Interventions
Oxycodone or morphine sulfate immediate release (MSIR), Placebo Treatment
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
25 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 20, 2026, 9:53 AM EDT
Not listed Not applicable Interventional

Analgesic Response to Opioid Analgesics in Buprenorphine-Maintained Individuals

NCT02136784
View directory record Official record
Conditions
Analgesic Response
Interventions
morphine sulfate, hydrocodone, hydromorphone HCI, oxycodone, buprenorphine, oral tablet placebo, sublingual tablet placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 50 Years · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 13, 2014 · Synced Oct 20, 2026, 9:53 AM EDT
Recruiting Phase 2 Interventional

Opioid/Benzodiazepine Polydrug Abuse: Aim 3

NCT05006079
View directory record Official record
Conditions
Opioid Abuse, Benzodiazepine Abuse, Polysubstance Abuse
Interventions
Morphine, Alprazolam, Placebo
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 20, 2026, 9:53 AM 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 20, 2026, 9:53 AM 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 20, 2026, 9:53 AM EDT
Completed Phase 3 Interventional Results available

A Research Study of an Investigational Drug ALO-02 (Oxycodone Hydrochloride and Naltrexone Hydrochloride) in Patients With Moderate to Severe Chronic Low Back Pain

NCT01571362
View directory record Official record
Conditions
Chronic Pain, Low Back Pain, Analgesia
Interventions
ALO-02, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
52
States / cities
Mobile, Alabama • Goodyear, Arizona • Phoenix, Arizona + 38 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 20, 2026, 9:53 AM 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 26, 2024 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 2 Interventional Results available

Analgesic Effect of IV Acetaminophen in Tonsillectomies

NCT01691690
View directory record Official record
Conditions
Adenotonsillitis, Tonsillitis
Interventions
Acetaminophen (paracetamol), Normal Saline Flush, Midazolam, Sevoflurane, Nitrous Oxide/Oxygen, Propofol, Morphine, Ondansetron, Dexamethasone
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
2 Years to 9 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Dexamethasone for the Prevention of Post-operative Nausea and Vomiting in Patients Undergoing Cesarean Sections

NCT01734161
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Dexamethasone, Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 46 Years · Female only
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 20, 2026, 9:53 AM EDT
Terminated Phase 2 Interventional Results available

Efficacy and Safety of BIIB033 (Opicinumab) as an Add-on Therapy to Disease-Modifying Therapies (DMTs) in Relapsing Multiple Sclerosis (MS)

NCT03222973
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
BIIB033 (opicinumab), Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 58 Years
Enrollment
263 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
51
States / cities
Cullman, Alabama • Gilbert, Arizona • Berkeley, California + 44 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2022 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 1 Interventional Results available

A Study to Assess the Safety, Tolerability and Pharmacokinetics of Multiple Doses of ASP8062 With a Single Dose of Morphine in Recreational Opioid Using Participants

NCT04448561
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
ASP8082, morphine, Placebo
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Oct 20, 2026, 9:53 AM EDT
Completed Phase 3 Interventional

Analgesic Efficacy and Management of Opioid-induced Constipation (OIC) for Uncontrolled Moderate - Severe Low Back Pain

NCT01427270
View directory record Official record
Conditions
Low Back Pain
Interventions
Oxycodone/Naloxone controlled-release, Oxycodone HCl controlled-release, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
170
States / cities
Alabaster, Alabama • Birmingham, Alabama • Gulf Shores, Alabama + 137 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2014 · Synced Oct 20, 2026, 9:53 AM EDT