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ClinicalTrials.gov public records Last synced Oct 21, 2026, 7:23 AM EDT

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Showing 97–120 of 318 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: amphetamine Clear all
Completed Phase 4 Interventional Results available

A Toolbox Approach to Obesity Treatment in Primary Care

NCT01922934
View directory record Official record
Conditions
Obesity
Interventions
Commercial weight loss program, Colorado Weigh, Meal replacements, Obesity pharmacotherapy, Recreation center passes
Behavioral · Dietary Supplement · Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years to 80 Years
Enrollment
4,730 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 18, 2017 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 1 Interventional

Improvement of Use Dependent Plasticity in Chronic Stroke Patients

NCT00072735
View directory record Official record
Conditions
Healthy, Cerebrovascular Accident
Interventions
Electrocardiogram
Procedure
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Biobehavioral Interventions for HIV-negative, Stimulant Using Men Who Have Sex With Men

NCT01140880
View directory record Official record
Conditions
HIV Seroconversion, Stimulant Abuse
Interventions
Truvada
Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Neuroimaging Study of Risk Factors for Adolescent Bipolar Disorder

NCT02478788
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
mixed amphetamine salts-extended release (MAS-XR), Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
10 Years to 18 Years
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 4 Interventional

Medication Strategies for Treating Aggressive Behavior in Youth With Attention Deficit Hyperactivity Disorder

NCT00228046
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity, Conduct Disorder, Oppositional Defiant Disorder
Interventions
Divalproex Sodium, Methylphenidate, Dextroamphetamine, Mixed Amphetamine Salts, Family Counseling, Behavior Management Training with Parents
Drug · Behavioral
Lead sponsor
Stony Brook University
Other
Eligibility
6 Years to 14 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
2
States / cities
New Hyde Park, New York • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Oct 31, 2013 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Food Effects on Bioavailability of MDMA in Healthy Volunteers

NCT05147402
View directory record Official record
Conditions
Pharmacokinetics
Interventions
midomafetamine
Drug
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 2 Interventional Results available

Treatment of Cocaine Dependence With Lisdexamfetamine

NCT00958282
View directory record Official record
Conditions
Cocaine Dependence
Interventions
lisdexamfetamine/Behavior Therapy, placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 17, 2015 · Synced Oct 21, 2026, 7:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Brain Changes Shaped by Experience

NCT00006424
View directory record Official record
Conditions
Healthy, Neurologic Manifestations
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Genotype on Resting State Connectivity During Methamphetamine Administration

NCT03973489
View directory record Official record
Conditions
Methamphetamine-dependence
Interventions
Magnetic resonance imaging (MRI), Methamphetamine Hydrochloride Tablets, Placebo oral tablet
Behavioral · Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 15, 2024 · Synced Oct 21, 2026, 7:23 AM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

MDMA in Subjects With Moderate Hepatic Impairment and Subjects With Normal Hepatic Function

NCT03606538
View directory record Official record
Conditions
Pharmacokinetics, Hepatic Impairment
Interventions
Midomafetamine HCl
Drug
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Oct 21, 2026, 7:23 AM EDT
Recruiting Phase 4 Interventional

Optimizing Portal Hypertension With TIPS and Interval Metabolic Surgery for Advanced Liver Disease

NCT07058155
View directory record Official record
Conditions
Liver Cirrhoses, Portal Hypertension Related to Cirrhosis, Severe Obesity, TIPS
Interventions
Transjugular Intrahepatic Portosystemic Shunt (TIPS), Sleeve Gastrectomy, Anti-Obesity Pharmacotherapy (Class Effect), Lifestyle Counseling - Diet & Physical-Activity Program
Procedure · Drug · Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 2 Interventional Results available

Pharmacologic Augmentation of Targeted Cognitive Training in Schizophrenia

NCT04414930
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
d-amphetamine, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 55 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 21, 2026, 7:23 AM EDT
Enrolling by invitation No phase listed Observational

Stimulant and Polysubstance Use, Inflammation, and Sex Effects on Myocardial Disease in HIV

NCT07461350
View directory record Official record
Conditions
HIV (Human Immunodeficiency Virus)
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
30 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
4
States / cities
San Francisco, California • Atlanta, Georgia • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Recruiting Not applicable Interventional

Feasibility of Incorporating a Standardized Substance Use Measure With Linked-Brief Intervention Into Routine Psychosocial Care of Adult Childhood Cancer Survivors

NCT07516301
View directory record Official record
Conditions
Survivors of Childhood Cancer, Substance Use
Interventions
WHO ASSIST v3.1 Screening with Feedback, ASSIST Linked Brief Intervention (10 Step Motivational interviewing (MI)/FRAMES), WHO ASSIST v3.1 Screening (No Feedback)
Behavioral
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
15 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 2 Interventional Results available

Omega-3 Fatty Acid Supplementation to ADHD Pharmacotherapy in ADHD Adults With Deficient Emotional Self-Regulation Traits

NCT01399827
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD), Deficient Emotional Self-Regulation (DESR)
Interventions
ADHD Medication, Omega-3 Fatty Acids
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 23, 2018 · Synced Oct 21, 2026, 7:23 AM EDT
Recruiting Phase 2 Interventional

A Phase 2A Trial of DT402 for Autism Spectrum Disorder

NCT07303907
View directory record Official record
Conditions
Autism Spectrum Disorder, ASD
Interventions
DT402 (R-enantiomer of 3,4-methylenedioxymethamphetamine (MDMA))
Drug
Lead sponsor
Definium Therapeutics US, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Completed No phase listed Observational

Marijuana Drug Discrimination and Self-Administration

NCT00943930
View directory record Official record
Conditions
Marijuana Abuse
Interventions
THC (delta-9 tetrahydrocannabinol), d-amphetamine, oral THC
Drug
Lead sponsor
Wayne State University
Other
Eligibility
21 Years to 45 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 2 Interventional

Safety and Efficacy of SPD465 in Adults With ADHD

NCT00202605
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity
Interventions
Neutral salts of dextroamphetamine sulfate, USP, amphetamine sulfate, USP, d-amphetamine saccharate, d,I-amphetamine aspartate monohydrate
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
4
States / cities
Little Rock, Arkansas • Irvine, California • Las Vegas, Nevada + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2021 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 4 Interventional Results available

A Multicenter, Double-blind, Randomized, Parallel-group, Pilot Study of 12-week Duration to Assess the Short-term Safety and Tolerability of Lorcaserin Plus Two Doses of Immediate-Release Phentermine-HCl Compared With Lorcaserin Alone in Overweight and Obese Adults

NCT01987427
View directory record Official record
Conditions
Chronic Weight Management
Interventions
lorcaserin + phentermine placebo, lorcaserin + phentermine-HCl + phentermine placebo, lorcaserin + phentermine-HCl
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
13
States / cities
Birmingham, Alabama • Chandler, Arizona • La Jolla, California + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Oct 21, 2026, 7:23 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)

NCT04278404
View directory record Official record
Conditions
Coronavirus Infection (COVID-19), Pulmonary Arterial Hypertension, Urinary Tract Infections in Children, Hypertension, Pain, Hyperphosphatemia, Primary Hyperaldosteronism, Edema, Hypokalemia, Heart Failure, Hemophilia, Menorrhagia, Insomnia, Pneumonia, Skin Infection, Arrythmia, Asthma in Children, Bronchopulmonary Dysplasia, Adrenal Insufficiency, Fibrinolysis; Hemorrhage, Attention Deficit Hyperactivity Disorder, Multisystem Inflammatory Syndrome in Children (MIS-C), Kawasaki Disease, Coagulation Disorder, Down Syndrome
Interventions
The POP02 study is collecting bodily fluid samples (i.e., whole blood, effluent samples) of children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Duke University
Other
Eligibility
0 Years to 20 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
49
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 40 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Compare Subjective Drug Liking & Pharmacokinetics of Vyvanse™ and ADDERALL XR® When Administered as an Oral Solution

NCT00776555
View directory record Official record
Conditions
Healthy
Interventions
Lisdexamfetamine Dimesylate, Racemic mixture of dextroamphetamine and lisdexamfetamine
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 25 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 2 Interventional Results available

MDMA-Assisted Psychotherapy in People With Posttraumatic Stress Disorder

NCT00090064
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
Midomafetamine HCl, Lactose placebo pill, Therapy
Drug · Behavioral
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Mt. Pleasant, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 6, 2025 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 2 Interventional Results available

Phentermine/Topiramate for Uric Acid Stones

NCT04621929
View directory record Official record
Conditions
Obesity, Uric Acid Stones, Type 2 Diabetes Mellitus in Obese, Pre-Diabetes
Interventions
Phentermine / Topiramate Oral Product, Citrate Salts, Allopurinol, Diet
Drug · Combination Product
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Comparison of Multiple Formulations of Topiramate and Phentermine in Obese Adults

NCT00518466
View directory record Official record
Conditions
Obesity
Interventions
topiramate, phentermine
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
19 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2011 · Synced Oct 21, 2026, 7:23 AM EDT