Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 28, 2026, 10:13 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Morphine (low) Clear all
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 28, 2014 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 2 Interventional

Pain Treatment for Sciatica

NCT00009672
View directory record Official record
Conditions
Radiculopathy, Sciatica
Interventions
Nortriptyline, Morphine
Drug
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
19 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 1Phase 2 Interventional

Pramipexole and Morphine for Renal Colic

NCT04160520
View directory record Official record
Conditions
Renal Colic
Interventions
Pramipexole, Morphine, Placebo oral tablet
Drug
Lead sponsor
East Carolina University
Other
Eligibility
19 Years to 66 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 7, 2023 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 3 Interventional Results available

Study Evaluating Safety and Efficacy of Dexmedetomidine (DEX) in Intubated and Mechanically Ventilated Pediatric Intensive Care Unit (PICU) Subjects

NCT00875550
View directory record Official record
Conditions
Sedation
Interventions
Dexmedetomidine, Midazolam, Fentanyl, Morphine
Drug
Lead sponsor
Hospira, now a wholly owned subsidiary of Pfizer
Industry
Eligibility
1 Month to 16 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
33
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Loma Linda, California + 27 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2015 · Synced Sep 28, 2026, 10:13 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 13, 2026 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Phase IIa Study of AV411, a Glial Activation Inhibitor, for Opioid Withdrawal

NCT00723177
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
AV411, Placebo (PCB)
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 4, 2016 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Brain Effects of Opiate Agonist and Antagonist

NCT04342130
View directory record Official record
Conditions
Chronic Low-back Pain
Interventions
Morphine
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Sep 28, 2026, 10:13 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 6, 2014 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of ABT-712 in Subjects With Moderate to Severe Chronic Low Back Pain (CLBP)

NCT00763321
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
ABT-712, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
21 Years to 75 Years
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
31
States / cities
Huntsville, Alabama • Burbank, California • San Diego, California + 27 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2014 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 4 Interventional

Stress and Opioid Misuse Risk: The Role of Endogenous Opioid and Endocannabinoid Mechanisms

NCT05142267
View directory record Official record
Conditions
Opioid Use Disorder, Back Pain, Stress
Interventions
Placebo, Oxycodone, Naloxone
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 3 Interventional

A Study of Pain Relief in Low Back Pain

NCT00325949
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
Extended release hydrocodone and acetaminophen (Vicodin CR), hydrocodone/acetaminophen extended release (Vicodin CR), placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
21 Years to 75 Years
Enrollment
770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
63
States / cities
Hueytown, Alabama • Phoenix, Arizona • Tempe, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2011 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Low Dose Ketamine Versus Morphine for Moderate to Severe Pain in the Emergency Department

NCT01835262
View directory record Official record
Conditions
Pain
Interventions
Morphine, Ketamine
Drug
Lead sponsor
Antonios Likourezos
Other
Eligibility
18 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2016 · Synced Sep 28, 2026, 10:13 AM EDT
Terminated Phase 4 Interventional Results available

Low Pain Prediction in Cesarean Section Patients

NCT02143141
View directory record Official record
Conditions
Scheduled Cesarean Sections, Postoperative Pain Management, Side Effects
Interventions
duramorph, placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 9, 2018 · Synced Sep 28, 2026, 10:13 AM EDT
Terminated Phase 3 Interventional

Comparison of Low-dose Epidural With Intravenous Narcotic Versus Intravenous Narcotic Alone

NCT00287326
View directory record Official record
Conditions
Pain
Interventions
Bupivacaine, Clonidine, Morphine
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
4 Years to 16 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2016 · Synced Sep 28, 2026, 10:13 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 3, 2017 · Synced Sep 28, 2026, 10:13 AM EDT
Withdrawn Phase 4 Interventional

An Open-label Evaluation of Tapentadol Extended Release (ER) in Participants With Moderate to Severe Chronic Pain After Conversion From Hydrocodone, Oxycodone Controlled Release (CR), and/or Morphine Sustained Release (SR)

NCT01631513
View directory record Official record
Conditions
Pain, Chronic Back Pain, Chronic Low Back Pain, Osteoarthritis Pain In The Hip or Knee
Interventions
Nucynta ER
Drug
Lead sponsor
Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years to 74 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
7
States / cities
Jacksonville, Florida • Prairie Village, Kansas • Mandeville, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2018 · Synced Sep 28, 2026, 10:13 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Use of Driving Tests to Evaluate Patient Performance on Oral Opioids

NCT00659035
View directory record Official record
Conditions
Chronic Pain
Interventions
Not listed
Lead sponsor
Asokumar Buvanendran
Other
Eligibility
18 Years to 80 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Sep 28, 2026, 10:13 AM EDT
Terminated Phase 4 Interventional Results available

Low Dose Extended-release Epidural and Lumbar Plexus Block Compared to Lumbar Plexus Block for Total Hip Resurfacing

NCT00934661
View directory record Official record
Conditions
Hip Arthroplasty
Interventions
Extended Release Epidural Morphine (EREM), Placebo
Drug
Lead sponsor
Wake Forest University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 11, 2018 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Not applicable Interventional Results available

A Pilot Study of Switching From One Pain Medication to Another (Opioid Rotation)

NCT00580294
View directory record Official record
Conditions
Pain
Interventions
Oxymorphone
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced Sep 28, 2026, 10:13 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Evaluating a Potential Pharmacokinetic Kratom-oxycodone Interaction Concurrent With Clinical Endpoints

NCT05846451
View directory record Official record
Conditions
Herbal Interaction
Interventions
Kratom, Oxycodone
Dietary Supplement · Drug
Lead sponsor
Washington State University
Other
Eligibility
21 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 28, 2026, 10:13 AM EDT
Withdrawn Phase 2 Interventional

Comparison of Low-dose Ketamine to Opioids in the Management of Acute Pain in Patients Presenting to the Emergency Department With Long Bone Fractures

NCT04061330
View directory record Official record
Conditions
Pain, Acute
Interventions
Ketamine, Morphine
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Sep 28, 2026, 10:13 AM EDT
Terminated Not applicable Interventional Results available

Intrathecal Morphine Compared to Conventional Medical Management for Pain Control and Opioid-related Side Effects

NCT01924182
View directory record Official record
Conditions
Chronic Pain
Interventions
SynchroMed Infusion System and Intrathecal Morphine Sulfate, Conventional Medicine
Device · Other
Lead sponsor
MedtronicNeuro
Industry
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
6
States / cities
Homewood, Alabama • Napa, California • Walnut Creek, California + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 2 Interventional

Pilot Study of the Efficacy and Safety of Q8003 in Patients Who Have Undergone Total Knee Arthroplasty or Total Hip Arthroplasty

NCT00818493
View directory record Official record
Conditions
Postoperative Pain
Interventions
Q8003 (morphine sulfate and oxycodone hydrochloride), Low dose Q8003 (morphine sulfate and oxycodone hydrochloride), Percocet (oxycodone and acetaminophen)
Drug
Lead sponsor
QRxPharma Inc.
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
4
States / cities
Birmingham, Alabama • Phoenix, Arizona • Royal Oak, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated May 16, 2012 · Synced Sep 28, 2026, 10:13 AM EDT
Completed Phase 2 Interventional Results available

Masked Faces in Parkinson Disease: Mechanism and Treatment

NCT00350402
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Respiratory muscle strength training
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
45 Years to 80 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 5, 2012 · Synced Sep 28, 2026, 10:13 AM EDT