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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed No phase listed Observational Accepts healthy volunteers Results available

Mu-Opioid Receptor Genetic Polymorphism and Intrathecal Analgesia

NCT00418015
Conditions
Labor Pain, Post-cesarean Delivery
Interventions
Blood Draw
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
293 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 2 Interventional Results available

Genetic Effects on Dopamine Response to an Opiate

NCT01878006
Conditions
Polymorphism-Genetic, Pain, Addiction
Interventions
Morphine, Placebo
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 55 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Methamphetamine Dependence
Interventions
Naltrexone
Drug
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
San Francisco, California
Completed No phase listed Observational Accepts healthy volunteers

OPRM1 A118G SNP, Alcohol Response, and Striatal Dopamine

NCT00401999
Conditions
Alcoholism
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 45 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Opioid Abuse (Disorder), Opioid Analgesia, Opioid Analgesic Adverse Reaction, Opioid Consumption
Interventions
Naproxen, Acetaminophen, oxycodone, Gabapentin
Drug
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Brain as a Therapeutic and Research Target in Trigeminal Neuropathic Pain

NCT03003715
Conditions
Trigeminal Neuropathic Pain
Interventions
PET Scans, transcranial direct current stimulation (tDCS), MRI, sham tDCS (prior to real tDCS)
Procedure · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A118G SNP and OPRM1 Gene Opioid-Mediated Effects in Humans

NCT02360371
Conditions
Opioid Sensitivity, Individual Difference, Abuse Opioids
Interventions
Within-subject test of blinded study medication
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Alcohol Dependence
Interventions
Naltrexone 50 Mg, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
2
States / cities
Charleston, South Carolina
Completed Phase 2 Interventional Results available

Naltrexone for Individuals of East Asian Descent

NCT02026011
Conditions
Alcohol Use Disorder
Interventions
Naltrexone, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Pain, CYP2D6 Polymorphism
Interventions
CYP2D6, Brief Pain Inventory-Short Form (BPI-SF), M.D. Anderson Symptom Inventory (MDASI), OPRM1
Genetic · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 120 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Gainesville, Florida • Tampa, Florida
Conditions
Opioid-use Disorder, Neonatal Abstinence Syndrome, Pregnancy, High Risk, Alcohol Use Disorder
Interventions
Pharmacokinetic analysis, Safety and Efficacy, Genetic and epigenetic analysis, Breast milk analysis
Other · Genetic
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts • Carrboro, North Carolina
Conditions
Opioid-use Disorder
Interventions
XR-B (SUBLOCADETM), XR-NTX
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
675 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
New Haven, Connecticut • Baltimore, Maryland • Hanover, New Hampshire + 3 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Opioid Modulation and Neural Reward Activation in Healthy Adults

NCT04854551
Conditions
Alcohol Drinking, Opioid Use, Unspecified
Interventions
Naltrexone, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 35 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Premature Fatigue in Veterans With Heart Failure: Neuronal Influences

NCT02209610
Conditions
Heart Failure
Interventions
Electrical and Magnetic Nerve Stimulators, Intrathecal Fentanyl
Device · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Prazosin and Naltrexone (PaN) Study for Veterans With Alcohol Use Disorders

NCT02322047
Conditions
Alcohol Use Disorder, Posttraumatic Stress Disorder (PTSD)
Interventions
Prazosin, Naltrexone, Placebo (Prazosin), Placebo (Naltrexone)
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Postoperative Gastrointestinal Dysfunction
Interventions
Naldemedine, Placebo
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
8
States / cities
Tucson, Arizona • Louisville, Kentucky • Houston, Texas + 1 more
Conditions
Opioid Use Disorder
Interventions
CVL-354, [11C]-LY2795050, [11C]-carfentanil
Drug
Lead sponsor
Cerevel Therapeutics, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
New Haven, Connecticut
Conditions
Anxiety Disorders
Interventions
LY2456302
Drug
Lead sponsor
Andrew Krystal
Other
Eligibility
21 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Phase 1 Study of Oral MG001

NCT07204171
Conditions
Safety and Tolerability in Healthy Subjects
Interventions
mitragynine, Placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
AUD
Interventions
Nalmefene, Placebo
Drug · Other
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 60 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Postoperative Pain
Interventions
Morphine
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Washington D.C., District of Columbia • New York, New York
Conditions
Unresectable Cutaneous Melanoma
Interventions
Axelopran, Nivolumab
Drug
Lead sponsor
John Kirkwood
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Genetic Underpinning of Substance Abuse, Polymorphism-genetic, Drug Abuse/Dependence, Opiod-Related Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Terminated No phase listed Observational Accepts healthy volunteers

Effects of Nicotine on Brain Opioid Receptors

NCT01040338
Conditions
Nicotine Dependence
Interventions
Nicotine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania