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ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:51 PM EDT

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Showing 121–144 of 318 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: amphetamine Clear all
Completed Phase 3 Interventional Results available

Sleep and Tolerability Study: Comparing the Effects of Adderall XR and Focalin XR

NCT00393042
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Dexmethylphenidate, Mixed Amphetamine Salts, ER, placebo
Drug
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
9 Years to 17 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Chicago, Illinois • Northbrook, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Oct 21, 2026, 2:51 PM EDT
Recruiting Phase 2 Interventional

A Single-Dose Study to Evaluate Safety and Efficacy of CS-1103 in Participants Receiving a Single Dose of Methamphetamine

NCT06721494
View directory record Official record
Conditions
Methamphetamine Intoxication, Methamphetamine Disorders, Methamphetamine Abuse
Interventions
Methamphetamine, Sterile Saline, CS-1103
Drug
Lead sponsor
Clear Scientific, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Voucher-Based Incentives in a Prevention Setting

NCT00607269
View directory record Official record
Conditions
Substance-related Disorders
Interventions
Voucher-Based Reinforcement Therapy
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 1, 2013 · Synced Oct 21, 2026, 2:51 PM 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, 2:51 PM EDT
Completed Phase 2 Interventional

Ondansetron for the Treatment of Methamphetamine Dependence - 1

NCT00040053
View directory record Official record
Conditions
Amphetamine-Related Disorders
Interventions
Ondansetron
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 99 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
6
States / cities
Chula Vista, California • Costa Mesa, California • Honolulu, Hawaii + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Study of Adderall-XR for the Treatment of Adult Attention Deficit Hyperactivity Disorder and Cocaine Dependence

NCT00553319
View directory record Official record
Conditions
Adult Attention Deficit Hyperactivity Disorder, Cocaine Dependence
Interventions
Placebo, Adderall-XR
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
2
States / cities
Minneapolis, Minnesota • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 3 Interventional Results available

Safety and Tolerability Study of SPD489 in Preschool Children Aged 4-5 Years, Diagnosed With Attention-deficit/Hyperactivity Disorder

NCT02466386
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD)
Interventions
SPD489
Drug
Lead sponsor
Shire
Industry
Eligibility
4 Years to 5 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
50
States / cities
Dothan, Alabama • Little Rock, Arkansas • Imperial, California + 41 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2021 · Synced Oct 21, 2026, 2:51 PM EDT
Completed No phase listed Observational

Exploring Mechanisms of Action in MDMA-assisted Psychotherapy for PTSD

NCT02102802
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
Midomafetamine, Therapy
Drug · Behavioral
Lead sponsor
Resilient Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Mt. Pleasant, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 4 Interventional Results available

Effect of Vyvanse on Driving in Young Adults With ADHD

NCT00801229
View directory record Official record
Conditions
Attention Deficit/Hyperactivity Disorder(ADHD)
Interventions
Vyvanse, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 24 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 10, 2014 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 1 Interventional

A Cognitive Behavioral Therapy-Based Text Messaging Intervention for Methamphetamine Dependence

NCT01577797
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
Text messages
Behavioral
Lead sponsor
New Leaf Treatment Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Lafayette, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 4 Interventional Results available

Omega-3 Supplementation to ADHD Medication in Children

NCT02204410
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Deficient Emotional Self-Regulation
Interventions
Omega-3 Fatty Acid, ADHD Medication
Dietary Supplement · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2017 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 4 Interventional Results available

Effectiveness of Vyvanse Compared to Concerta in Adolescents With Attention-deficit/Hyperactivity Disorder

NCT01552915
View directory record Official record
Conditions
Attention-deficit/Hyperactivity Disorder
Interventions
Lisdexamfetamine dimesylate, Methylphenidate Hydrochloride, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
13 Years to 17 Years
Enrollment
464 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
79
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • National City, California + 68 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 2 Interventional

Dextroamphetamine-Cocaine Behavioral Intervention - 5

NCT00000308
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Dextroamphetamine, D-amphetamine, placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2000
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Imaging the Effects of Stimulant Medication on Emotional Lability in Patients With ADHD

NCT01415440
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
Lisdexamfetamine, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
6 Years to 25 Years
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 2, 2022 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 2 Interventional Results available

SMART Use of Medication for the Treatment of Adolescent Severe Obesity

NCT04007393
View directory record Official record
Conditions
Adolescent Obesity
Interventions
Lifestyle Modification Therapy (LSMT), Phentermine Pill, Topiramate Pill, Placebo
Behavioral · Drug
Lead sponsor
University of Minnesota
Other
Eligibility
12 Years to 17 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Pharmacodynamic Profile of SPD489 in Healthy Adult Males Undergoing a Nocturnal Period of Acute Sleep Loss

NCT01096680
View directory record Official record
Conditions
Sleep Deprivation
Interventions
SPD489 20 mg, SPD489 50 mg, SPD489 70 mg, Armodafinil, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 40 Years · Male only
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Not applicable Interventional Results available

Long-term Behavior Change - 1

NCT00158197
View directory record Official record
Conditions
Amphetamine-related Disorders
Interventions
contingency management voucher
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
2
States / cities
Los Angeles, California • Rancho Cucamonga, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 2 Interventional

A Pilot Trial of Modafinil for Treatment of Methamphetamine Dependence

NCT00538655
View directory record Official record
Conditions
Methamphetamine Addiction
Interventions
modafinil
Drug
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 4 Interventional Results available

A Study of VI-0521 on Ambulatory Blood Pressure (ABPM) in Overweight or Obese Subjects

NCT05215418
View directory record Official record
Conditions
Blood Pressure
Interventions
VI-0521, Phentermine, Placebo
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
565 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
28
States / cities
Anniston, Alabama • Mobile, Alabama • Lincoln, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2024 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 3 Interventional Results available

Vyvanse Adolescent Open-Label Safety and Efficacy Extension Study

NCT00764868
View directory record Official record
Conditions
ADHD
Interventions
Lisdexamfetamine Dimesylate (LDX)
Drug
Lead sponsor
Shire
Industry
Eligibility
13 Years to 17 Years
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
45
States / cities
Little Rock, Arkansas • El Centro, California • Rolling Hills Estates, California + 40 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Oct 21, 2026, 2:51 PM EDT
Terminated Phase 1 Interventional

Amphetamine Cocaine Interaction Study - 2

NCT00000305
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Dextroamphetamine
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 45 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 18, 2012 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of the Effects of MDMA/Ecstasy on Water Regulation, Sleep, and Cognition.

NCT01053403
View directory record Official record
Conditions
MDMA Discontinuation Syndrome
Interventions
3,4-methylenedioxymethamphetamine or Placebo
Drug
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 31, 2013 · Synced Oct 21, 2026, 2:51 PM EDT
Completed Phase 3 Interventional Results available

Treating Parents With ADHD and Their Young Children Via Telehealth: A Hybrid Type I Effectiveness-Implementation Trial

NCT04240756
View directory record Official record
Conditions
ADHD, Parenting
Interventions
Behavioral Parent Training, Extended release mixed amphetamine salts (MAS)
Behavioral · Drug
Lead sponsor
University of Maryland, College Park
Other
Eligibility
3 Years to 65 Years
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 21, 2026, 2:51 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Enhancing Operational Performance in Healthy Rested Soldiers With Pharmacological Stimulants

NCT03893032
View directory record Official record
Conditions
Cognition
Interventions
Modafinil 200mg, mixed amphetamine salts, Placebo
Drug
Lead sponsor
United States Army Aeromedical Research Laboratory
Federal
Eligibility
18 Years to 40 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Fort Rucker, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 31, 2019 · Synced Oct 21, 2026, 2:51 PM EDT