Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 14, 2026, 3:47 PM EDT

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Showing 241–264 of 374 matching trials from the live ClinicalTrials.gov search.
Conditions
HIV Infections
Interventions
Methadone hydrochloride, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
The Bronx, New York
Conditions
QT Interval Prolongation
Interventions
AliveCor handheld mobile ECG
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Completed Not applicable Interventional

Opioid and Pain Cognition

NCT04132609
Conditions
Pain
Interventions
Cognitive bias modification, Standard attentional bias
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
West Haven, Connecticut
Conditions
Substance Abuse Disorder
Interventions
eGet
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Opioid Substitution Treatment Clinics, Patients, Staff
Interventions
MPACT Intervention
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Methadone Toxicity, Methadone Overdose, Pain, Chronic, Drug Metabolism, Poor, CYP2D6-Related, Metabolism Medication Toxicity
Interventions
Measurement of Methadone in the Interstitial Fluid (ISF) before and after prescribed dose taken ex vivo, Measurement of Methadone in the Interstitial Fluid before and after prescribed dose taken in vivo, ISF Extraction Device 2
Diagnostic Test · Drug · Device
Lead sponsor
Cari Health Inc.
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Lemon Grove, California
Conditions
Postoperative Pain, Recovery
Interventions
Intravenous Methadone, Short-acting Opioids Intraoperative analgesia
Drug
Lead sponsor
Alexandre P. Joosten
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Irvine, California
Conditions
Opioid Use, Chronic Pain
Interventions
Mindfulness Oriented Recovery Enhancement, Methadone Treatment as Usual
Behavioral · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Heroin Dependence
Interventions
Buspirone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
25 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Brooklyn, New York
Conditions
Central Sleep Apnea Comorbid With Opioid Use
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
Sanjay R Patel
Other
Eligibility
18 Years to 100 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Phase 1 Interventional Accepts healthy volunteers

Mirtazapine and Methamphetamine Drug-drug Interaction Study

NCT04614584
Conditions
Methamphetamine Use Disorder, Drug Interaction, Cardiovascular Abnormalities
Interventions
Mirtazapine, Methamphetamine
Drug
Lead sponsor
San Francisco Department of Public Health
Government
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
3
States / cities
Los Angeles, California • San Francisco, California
Conditions
Stage III Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8, Stage IV Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8
Interventions
Gabapentin, Methadone, Oxycodone, Quality-of-Life Assessment, Questionnaire Administration, Venlafaxine, Venlafaxine Hydrochloride Extended Release
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Wearable bright light therapy device, Wearable placebo light therapy device
Device
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Behavior, Addictive, Cocaine Abuse, Cocaine Dependence, Heroin Dependence, Opioid Dependence
Interventions
Contingency management
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Breast Feeding, Opioid-Related Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Results available

Prolonged Exposure Therapy for PTSD and Opioid Use Disorder

NCT04104022
Conditions
Post Traumatic Stress Disorder, Opioid-use Disorder
Interventions
Prolonged Exposure Therapy, Attendance-based monetary incentives
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Nicotine Dependence, Opiate Dependence
Interventions
Intensive, tailored intervention, NJ Quitline Referral
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Addiction
Interventions
CBD Day 1, CBD Day 2, CBD Day 3
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
West Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers Results available

CYP2B6 Polymorphisms in Methadone Disposition

NCT01648283
Conditions
Healthy Volunteers
Interventions
IV racemic methadone HCl, Oral racemic methadone HCl
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Opioid-use Disorder
Interventions
Take-home Dosing Procedures
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
Not listed
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Opioid-Related Disorders
Interventions
interactive voice response
Procedure
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Postoperative Pain
Interventions
Methadone, Hydromorphone
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Evanston, Illinois
Completed Phase 1Phase 2 Interventional Results available

Study of D-Methadone in Patients With Chronic Pain

NCT00588640
Conditions
Pain, Bladder Cancer, Breast Cancer, CNS Cancer, Colon Cancer, Esophageal Cancer, Pancreatic Cancer, Prostate Cancer, Uterine Cancer, Head and Neck Cancer, Eye Cancer, Otorhinolaryngologic Neoplasms
Interventions
D-methadone, placebo
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
New York, New York
Conditions
Cigarette Smoking Among Patients Currently Receiving Methadone or Buprenorphine Treatment for Opioid Dependence
Interventions
incentive-based contingency management
Behavioral
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Burlington, Vermont