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ClinicalTrials.gov public records Last synced Oct 1, 2026, 8:05 AM EDT

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Showing 25–48 of 51 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Morphine matched placebo Clear all
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 1, 2026, 8:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Assess the Effect of AZD4041 on Respiratory Drive in Recreational Opioid Users.

NCT05587998
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Morphine, AZD4041, Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2024 · Synced Oct 1, 2026, 8:05 AM EDT
Completed Phase 1 Interventional Results available

Safety and Tolerability Study of MEDI-551, a B-cell Depleting Agent, to Treat Relapsing Forms of Multiple Sclerosis

NCT01585766
View directory record Official record
Conditions
Multiple Sclerosis, Relapsing Forms
Interventions
MEDI-551 30 MG-IV, MEDI-551 60 MG-SC, PLACEBO-IV-SC, MEDI-551 100 MG-IV, MEDI-551 300 MG-SC, MEDI-551 600 MG-IV
Drug
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
9
States / cities
Scottsdale, Arizona • Long Beach, California • Sacramento, California + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2018 · Synced Oct 1, 2026, 8:05 AM EDT
Terminated Phase 3 Interventional Results available

Study of Evobrutinib in Participants With Relapsing Multiple Sclerosis (RMS)

NCT04032158
View directory record Official record
Conditions
Relapsing-remitting Multiple Sclerosis
Interventions
Evobrutinib, Avonex®, Avonex® matched Placebo, Evobrutinib matched Placebo
Drug
Lead sponsor
EMD Serono Research & Development Institute, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Rockland, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2021 · Synced Oct 1, 2026, 8:05 AM EDT
Completed Phase 4 Interventional Results available

Gabapentin for Pain Control After Osmotic Dilator Insertion and Prior to D&E Procedure: a Randomized Controlled Trial

NCT03080493
View directory record Official record
Conditions
Abortion, Induced, Cervical Preparation, Pain
Interventions
Gabapentin 600mg, Placebo oral capsule, acetaminophen/codeine and ibuprofen
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Oct 1, 2026, 8:05 AM EDT
Completed Phase 3 Interventional Results available

A Controlled Study to Determine the Efficacy and Safety of CL-108 5 mg for Acute Pain and the Prevention of OINV

NCT03657810
View directory record Official record
Conditions
Pain, Nausea, Vomiting
Interventions
CL-108 5 mg, Norco, Placebo
Drug
Lead sponsor
Charleston Laboratories, Inc
Industry
Eligibility
18 Years and older
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
Phoenix, Arizona • Pasadena, Maryland • Austin, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Oct 1, 2026, 8:05 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 1, 2026, 8:05 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 1, 2026, 8:05 AM EDT
Completed Phase 2 Interventional

A Study of ARRY-371797 in Patients With Osteoarthritis of the Knee

NCT01366014
View directory record Official record
Conditions
Osteoarthritis of the Knee
Interventions
ARRY-371797, p38 inhibitor; oral, Oxycodone hydrochloride (HCl) extended release (ER), opioid agonist; oral, Placebo; oral
Drug
Lead sponsor
Pfizer
Industry
Eligibility
40 Years to 85 Years
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
13
States / cities
Phoenix, Arizona • Fort Lauderdale, Florida • Pinellas Park, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2020 · Synced Oct 1, 2026, 8:05 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 1, 2026, 8:05 AM EDT
Suspended Phase 3 Interventional

Ketorolac Applied by Continuous IV Infusion for Treatment of Moderately Severe Postoperative Pain Following Bunionectomy

NCT05324358
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Ketorolac Tromethamine, Morphine Sulfate, Intravenous Placebo for NTM-001, IV Placebo for Morphine
Drug · Other
Lead sponsor
Neumentum, Inc.
Other
Eligibility
18 Years to 64 Years
Enrollment
341 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
10
States / cities
Sun City, Arizona • Bakersfield, California • Canoga Park, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 1, 2026, 8:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Nasal Human Abuse Potential of PTI-821

NCT03475862
View directory record Official record
Conditions
Opioid Abuse Nondependent
Interventions
PTI-821 capsule Manipulated, PTI-821 Non-manipulated, OxyContin, Placebo, Oxycodone
Drug · Other
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 23, 2018 · Synced Oct 1, 2026, 8:05 AM EDT
Active, not recruiting Phase 3 Interventional

Efficacy and Safety of Ofatumumab and Siponimod Compared to Fingolimod in Pediatric Patients With Multiple Sclerosis

NCT04926818
View directory record Official record
Conditions
Multiple Sclerosis (MS)
Interventions
Fingolimod, Ofatumumab, Siponimod, Fingolimod placebo, Siponimod placebo, Ofatumumab placebo
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
10 Years to 17 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
6
States / cities
Little Rock, Arkansas • Los Angeles, California • Washington D.C., District of Columbia + 3 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 1, 2026, 8:05 AM EDT
Active, not recruiting Phase 3 Interventional

Efficacy and Safety of Remibrutinib Compared to Teriflunomide in Participants With Relapsing Multiple Sclerosis (RMS) (REMODEL-1)

NCT05147220
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Remibrutinib, Teriflunomide
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
52
States / cities
Phoenix, Arizona • Tucson, Arizona • Fort Smith, Arkansas + 47 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 1, 2026, 8:05 AM EDT
Withdrawn Phase 3 Interventional

Randomized Control Trial of Buprenorphine vs. Morphine for the Treatment of Neonatal Opioid Withdrawal Syndrome (NOWS)

NCT04455802
View directory record Official record
Conditions
Neonatal Opioid Withdrawal Syndrome
Interventions
Buprenorphine or Placebo, Morphine or Placebo
Drug
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 1, 2026, 8:05 AM EDT
Completed Phase 4 Interventional Results available

Are Opioids Needed After ACL Reconstruction

NCT04285853
View directory record Official record
Conditions
Anterior Cruciate Ligament Rupture
Interventions
Oxycodone, Placebo oral tablet
Drug
Lead sponsor
Emory University
Other
Eligibility
14 Years to 40 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
3
States / cities
Atlanta, Georgia • Tucker, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Oct 1, 2026, 8:05 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Non-intrusive Detection of Temporary Neurologic Impairment By Opioids

NCT04223609
View directory record Official record
Conditions
Healthy
Interventions
Oxycodone, Placebo, EyeLink 1000 Plus, Oculo-Cognitive Addition test (OCAT), VT3mini - Eye Tracking Technology for OEMs
Drug · Device · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years to 59 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 5, 2023 · Synced Oct 1, 2026, 8:05 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Effectiveness and Safety of CG5503 (Tapentadol) in the Treatment of Chronic Tumor Related Pain Compared With Placebo and Morphine

NCT00505414
View directory record Official record
Conditions
Pain, Neoplasm, Cancer
Interventions
Tapentadol in the Titration Phase, Morphine in the Maintenance Phase, Matching Placebo in the Maintenance Phase after Tapentadol in the Titration Phase, Tapentadol in the Maintenance Phase, Morphine in the Titration Phase
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
7
States / cities
St. Petersburg, Florida • Elkhart, Indiana • Shreveport, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Oct 1, 2026, 8:05 AM EDT
Completed Phase 3 Interventional Results available

Relapsing Forms of Multiple Sclerosis (RMS) Study of Bruton's Tyrosine Kinase (BTK) Inhibitor Tolebrutinib (SAR442168) (GEMINI 2)

NCT04410991
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Tolebrutinib, Teriflunomide HMR1726, Placebo to match Tolebrutinib, Placebo to match Teriflunomide
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 55 Years
Enrollment
899 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
43
States / cities
Cullman, Alabama • Phoenix, Arizona • Arcadia, California + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Oct 1, 2026, 8:05 AM EDT
Active, not recruiting Phase 3 Interventional

Efficacy and Safety of Remibrutinib Compared to Teriflunomide in Participants With Relapsing Multiple Sclerosis (RMS) (REMODEL-2)

NCT05156281
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Remibrutinib, Teriflunomide
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
1,007 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
50
States / cities
Phoenix, Arizona • Hanford, California • Los Angeles, California + 42 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 1, 2026, 8:05 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 1, 2026, 8:05 AM EDT
Completed Phase 4 Interventional Results available

Hormone Function in Men Treated for Pain With Opioids or Placebo

NCT00737737
View directory record Official record
Conditions
Chronic Pain, Osteoarthritis
Interventions
MS Contin, Placebo
Drug
Lead sponsor
National Institute of Nursing Research (NINR)
NIH
Eligibility
30 Years to 65 Years · Male only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Oct 1, 2026, 8:05 AM EDT
Completed Phase 4 Interventional Results available

Reduction of Bladder Injection Pain With Belladonna Opiate Suppository

NCT02600715
View directory record Official record
Conditions
Overactive Bladder, Urinary Urge Incontinence, Urinary Bladder, Neurogenic, Painful Bladder Syndrome
Interventions
Onabotulinumtoxin A (BoNT), belladonna, Morphine, Placebo, Active B&O suppository of belladonna
Drug
Lead sponsor
Edgar LeClaire, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
Wichita, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 20, 2018 · Synced Oct 1, 2026, 8:05 AM EDT
Completed Phase 2Phase 3 Interventional

A Study Evaluating the Overall Pain Relief and Safety of Intravenous (IV) CR845 in Patients Undergoing Abdominal Surgery

NCT02542384
View directory record Official record
Conditions
Post Abdominal Surgery Pain
Interventions
CR845 IV 1 mcg/kg, CR845 IV 0.5 mcg/kg, Placebo IV
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
21 Years and older
Enrollment
451 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
23
States / cities
Sheffield, Alabama • New Haven, Connecticut • Bradenton, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated May 31, 2019 · Synced Oct 1, 2026, 8:05 AM EDT