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Showing 1–24 of 135 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 2 Interventional

Mechanistic Evaluation of Response in TRD (MERIT)

NCT04608396
View directory record Official record
Conditions
Treatment Resistant Depression, Major Depressive Disorder
Interventions
AXS-05, Placebo
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
20
States / cities
Little Rock, Arkansas • Redlands, California • Sherman Oaks, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2022 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Behavioral and Pharmacologic Treatment of Binge Eating and Obesity: Acute Treatment

NCT03045341
View directory record Official record
Conditions
Binge-eating Disorder, Obesity
Interventions
NB medication (Naltrexone Bupropion combination), Behavioral Weight Loss (BWL) counseling, Placebo
Drug · Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 7, 2023 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 3 Interventional

A Study to Assess the Long-term Safety and Efficacy of AXS-05 in Subjects With Alzheimer's Disease Agitation

NCT04947553
View directory record Official record
Conditions
Agitation in Patients With Dementia of the Alzheimer's Type, Alzheimer Disease, Agitation, Psychomotor
Interventions
AXS-05 (dextromethorphan-bupropion), Placebo
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
65 Years to 90 Years
Enrollment
456 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
45
States / cities
Peoria, Arizona • Tempe, Arizona • Long Beach, California + 35 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2025 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 2 Interventional

A Seven-Week Dose-Ranging Study of CP-526,555 Compared With Placebo and Zyban for Smoking Cessation

NCT00150241
View directory record Official record
Conditions
Smoking Cessation
Interventions
CP-526,555 (varenicline)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
7
States / cities
Los Angeles, California • Farmington, Connecticut • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2015 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Assessing the Safety, Tolerability, Pharmacokinetics, Food Effect, and Drug-Drug Interactions of PTI-801 in Healthy Volunteers, and Safety, Tolerability, and Pharmacokinetics of PTI-801 in Subjects With Cystic Fibrosis

NCT03140527
View directory record Official record
Conditions
Healthy Volunteer, Cystic Fibrosis
Interventions
PTI-801, Placebo, PTI-808
Drug
Lead sponsor
Proteostasis Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
33
States / cities
Birmingham, Alabama • Anchorage, Alaska • Stanford, California + 28 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2020 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Combined Pharmaco/Behavior Therapy in Adolescent Smokers

NCT00330187
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Use Disorder
Interventions
Bupropion SR, Contingency Management, Placebo
Drug · Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
12 Years to 21 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 1, 2018 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Cognitive-Behavioral and Pharmacologic (LDX) Treatment of Binge-Eating Disorder and Obesity: Medication Change for Non-Responders

NCT03946111
View directory record Official record
Conditions
Binge-Eating Disorder, Obesity
Interventions
Naltrexone and Bupropion, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 64 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Varenicline and Bupropion for Smoking Cessation

NCT00935818
View directory record Official record
Conditions
Smoking
Interventions
Varenicline, placebo, bupropion SR
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
506 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
3
States / cities
Minneapolis, Minnesota • Rochester, Minnesota • La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Safety and Effectiveness of Sustained Release Bupropion in Treating Individuals With Schizophrenia Who Smoke

NCT00307203
View directory record Official record
Conditions
Tobacco-Use Disorder, Schizophrenia, Psychotic Disorders
Interventions
bupropion SR, Cognitive Behavioral Group Therapy, nicotine replacement therapy
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 1 Interventional

Seasonal Affective Depression (SAD) Study

NCT00069459
View directory record Official record
Conditions
Depressive Disorder
Interventions
Extended-release Bupropion Hydrochloride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
48
States / cities
Anchorage, Alaska • Hamden, Connecticut • Newark, Delaware + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Bupropion-Enhanced Contingency Management (CM) for Cocaine Dependence

NCT02111798
View directory record Official record
Conditions
Substance Abuse, Cocaine Dependence
Interventions
Placebo, Bupropion XL, Abstinence Initiation, Relapse Prevention
Drug · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 3 Interventional

Bupropion for Hospital-Based Smoking Cessation

NCT00261170
View directory record Official record
Conditions
Smoking
Interventions
bupropion, placebo
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 22, 2008 · Synced Sep 8, 2026, 8:43 PM EDT
Active, not recruiting Phase 3 Interventional

Trial of Naltrexone/Bupropion for the Treatment of Methamphetamine Use Disorder

NCT06233799
View directory record Official record
Conditions
Methamphetamine-dependence, Methamphetamine Abuse
Interventions
extended-release naltrexone (XR-NTX), extended release bupropion (BUP-XL) tablets (BUP-XL), iPLB, oPLB
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
11
States / cities
Little Rock, Arkansas • Los Angeles, California • San Diego, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study to Evaluate Safety, Tolerability, PK, and PK Interactions of TBA-7371

NCT03199339
View directory record Official record
Conditions
Tuberculosis, Tuberculosis, Pulmonary
Interventions
TBA-7371, Placebo
Drug
Lead sponsor
Global Alliance for TB Drug Development
Other
Eligibility
19 Years to 50 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 1 Interventional Results available

Bupropion For Reducing High-Risk Behaviors in Depressed Men Who Have Sex With Men (MSM)

NCT00285584
View directory record Official record
Conditions
HIV Infections, Depression
Interventions
Bupropion, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Nicotine Patch Pretreatment for Smoking Cessation in PTSD

NCT00625131
View directory record Official record
Conditions
Stress Disorders, Posttraumatic, Tobacco Use Disorder
Interventions
Nicotine, Cognitive Behavioral Therapy for Smoking Cessation, Bupropion Sustained Release (SR), Placebo patch
Drug · Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 70 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 19, 2014 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 3 Interventional

Effects of Antidepressants on Sexual Functioning

NCT00051259
View directory record Official record
Conditions
Major Depressive Disorder (MDD)
Interventions
Extended-Release Bupropion Hydrochloride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
23
States / cities
Berkeley, California • Beverly Hills, California • La Mesa, California + 20 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2010 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 3 Interventional Results available

Zyban as an Effective Smoking Cessation Aid for Patients Following an Acute Coronary Syndrome: The ZESCA Trial

NCT00689611
View directory record Official record
Conditions
Acute Coronary Syndrome, Myocardial Infarction, Smoking
Interventions
Bupropion HCl ER, Placebo
Drug
Lead sponsor
Mark Eisenberg
Other
Eligibility
18 Years and older
Enrollment
392 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
13
States / cities
Pueblo, Colorado • Lewiston, Maine • Bay City, Michigan + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2015 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Maintaining Abstinence in Chronic Cigarette Smokers - 1

NCT00087880
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Bupropion and NRT
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
407 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 2 Interventional Results available

Placebo-controlled Trial of Bupropion for Smoking Cessation in Pregnant Women

NCT02188459
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
Bupropion
Drug
Lead sponsor
Henry Kranzler
Other
Eligibility
18 Years and older · Female only
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
3
States / cities
Newark, Delaware • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 3 Interventional Results available

Accelerated Development of Additive Pharmacotherapy Treatment (ADAPT-2) for Methamphetamine Use Disorder

NCT03078075
View directory record Official record
Conditions
Methamphetamine Use Disorder
Interventions
Naltrexone: Vivitrol®, Placebo (PLB) Injectable, Bupropion: Wellbutrin XL®, Placebo (PLB) Oral
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
403 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
8
States / cities
Los Angeles, California • San Francisco, California • Minneapolis, Minnesota + 5 more
Source: ClinicalTrials.gov public record
Updated May 2, 2021 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effectiveness of Bupropion for Smokers Recovering From Alcohol Dependence

NCT00304707
View directory record Official record
Conditions
Smoking Cessation, Alcohol-Related Disorders
Interventions
Bupropion, placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bedford, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Sep 8, 2026, 8:43 PM EDT
Completed Phase 3 Interventional

A Twelve-Week Study of Varenicline for Safety and Efficacy in Comparison With Placebo and Zyban for Smoking Cessation

NCT00143364
View directory record Official record
Conditions
Smoking Cessation
Interventions
varenicline (CP-526,555)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,005 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
15
States / cities
Palo Alto, California • San Diego, California • Denver, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2007 · Synced Sep 8, 2026, 8:43 PM EDT
Terminated Phase 1 Interventional

Bupropion Hydrochloride 300 mg Extended Release Tablets Under Fasting Conditions

NCT01046214
View directory record Official record
Conditions
Depressive Disorder
Interventions
Bupropion HCl
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
25 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
2
States / cities
Culver City, California • Glendale, California
Source: ClinicalTrials.gov public record
Updated Nov 19, 2015 · Synced Sep 8, 2026, 8:43 PM EDT