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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Bupropion Hydrochloride Controlled-release Clear all
Completed Phase 2 Interventional

Zonisamide SR Plus Bupropion SR Combination Therapy in Subjects With Obesity

NCT00709371
View directory record Official record
Conditions
Obesity
Interventions
Zonisamide SR placebo/ bupropion SR placebo, Zonisamide SR placebo/ bupropion SR 360 mg/day, Zonisamide SR 120 mg/day/ bupropion SR placebo, Zonisamide SR 360 mg/day/ bupropion SR placebo, Zonisamide SR 120 mg/day/ bupropion SR 360 mg/day, Zonisamide SR 360 mg/day/ bupropion SR 360 mg/day
Drug
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
729 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
20
States / cities
Fairhope, Alabama • La Jolla, California • Denver, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2012 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Naltrexone SR/Bupropion SR and Placebo in Overweight and Obese Subjects Participating in an Intensive Behavior Modification Program

NCT00456521
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Naltrexone SR 32 mg/ bupropion SR 360 mg/ day, Placebo, Intensive group lifestyle modification counseling
Drug · Behavioral
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
793 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
9
States / cities
La Jolla, California • Denver, Colorado • Gainesville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2014 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 3 Interventional

Attention-Deficit Hyperactivity Disorder (ADHD) Study With Adults

NCT00048360
View directory record Official record
Conditions
Attention Deficit Disorder
Interventions
Extended-release bupropion hydrochloride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 60 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
21
States / cities
Phoenix, Arizona • Chula Vista, California • Lafayette, California + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2013 · Synced Sep 24, 2026, 9:01 AM 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 24, 2026, 9:01 AM EDT
Completed Not applicable Interventional

Effectiveness of an Enhanced Tobacco Intervention Protocol Compared to Standard Treatment in Helping Head and Neck and Lung Cancer Patients Starting Treatment to Reduce Cigarette Use

NCT04694846
View directory record Official record
Conditions
Lung Non-Small Cell Carcinoma, Head and Neck Squamous Cell Carcinoma
Interventions
Nicotine Replacement, Bupropion Hydrochloride Controlled-release, Varenicline, Tobacco Cessation Counseling, Questionnaire Administration, Quality of Life Assessment, Best Practice
Drug · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 24, 2026, 9:01 AM EDT
Recruiting Phase 4 Interventional

Nicotine Replacement Therapy, Counseling, Varenicline, and Bupropion for Smoking Cessation, the PISCES I Trial

NCT04604509
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Bupropion Hydrochloride Controlled-release, Nicotine Replacement, Questionnaire Administration, Tobacco Cessation Counseling, Varenicline
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2,010 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

The Effects of Combination Zonisamide and Bupropion on Switching to an Electronic Cigarette

NCT05205811
View directory record Official record
Conditions
Smoking Cessation
Interventions
Bupropion, Zonisamide, Placebo bupropion, Placebo zonisamide, E-cigarette
Drug · Other
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Effect of Naltrexone and Bupropion Extended-Release Combination on Cardiac Repolarization in Healthy Participants

NCT02735603
View directory record Official record
Conditions
Heart Repolarization
Interventions
Naltrexone HCl/bupropion HCl, Placebo, Moxifloxacin
Drug · Other
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2016 · Synced Sep 24, 2026, 9:01 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional

A Multiple Health Behavior Change (MHBC) Intervention for Weight Loss and Smoking Cessation for Pre-Bariatric Surgery Patients

NCT07398404
View directory record Official record
Conditions
Obesity, Smoking Cessation, Bariatric Surgery Patients
Interventions
Naltrexone hydrochloride, Bupropion Hydrochloride Extended-release, Cognitive-Behavioral Therapy
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 24, 2026, 9:01 AM EDT
Withdrawn Early Phase 1 Interventional

Relapse Prevention in Stimulant Use Disorder

NCT04553263
View directory record Official record
Conditions
Stimulant Use, Relapse, Cognitive Function, ADHD
Interventions
Contrave 8Mg-90Mg Extended-Release Tablet, Bupropion
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 3 Interventional

Effects Of Antidepressants On Sexual Functioning In Adults

NCT00051272
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
425 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
24
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Berkeley, California + 19 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2011 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 2 Interventional Results available

Double-blind, Placebo-Controlled Pilot Study of Bupropion to Promote Smoking Cessation During Pregnancy

NCT01286402
View directory record Official record
Conditions
Smoking Cessation
Interventions
Bupropion SR, Placebo
Drug · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 3, 2016 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Naltrexone SR/Bupropion SR in Overweight and Obese Subjects

NCT00567255
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Naltrexone SR 32 mg/bupropion SR 360 mg/day, Placebo, Ancillary therapy
Drug · Behavioral
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,496 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
36
States / cities
Phoenix, Arizona • Hot Springs, Arkansas • Carmichael, California + 31 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2014 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 3 Interventional Results available

A Study of the Safety and Efficacy of Two Doses of Naltrexone SR/Bupropion SR and Placebo in Overweight and Obese Subjects

NCT00532779
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Naltrexone SR 16 mg/Bupropion SR 360 mg /day, Naltrexone SR 32 mg/Bupropion SR 360 mg /day, Placebo, Ancillary therapy
Drug · Behavioral
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,742 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
34
States / cities
Birmingham, Alabama • Fairhope, Alabama • Chandler, Arizona + 28 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2014 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 4 Interventional

Sexual Functioning Study With Antidepressants

NCT00316160
View directory record Official record
Conditions
Depressive Disorder, Major, Major Depressive Disorder (MDD)
Interventions
Bupropion Hydrochloride Extended-release, Extended-release Venlafaxine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
347 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
45
States / cities
Mesa, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 40 more
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 24, 2026, 9:01 AM 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 24, 2026, 9:01 AM EDT
Completed Phase 3 Interventional

Prevention of Seasonal Affective Disorder

NCT00046241
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Extended-release bupropion hydrochloride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
43
States / cities
Anchorage, Alaska • Hamden, Connecticut • Boise, Idaho + 37 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2017 · Synced Sep 24, 2026, 9:01 AM EDT
Terminated Phase 4 Interventional Results available

Naltrexone/Bupropion Cardiovascular Outcomes Study

NCT02638129
View directory record Official record
Conditions
Obesity, Cardiovascular Diseases
Interventions
Naltrexone HCl/Bupropion HCl ER, Placebo
Drug
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
139
States / cities
Alexander City, Alabama • Auburn, Alabama • Birmingham, Alabama + 136 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2017 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 3 Interventional Results available

Individualized Obesity Pharmacotherapy

NCT03374956
View directory record Official record
Conditions
Obesity
Interventions
Phentermine-Topiramate, Liraglutide, Naltrexone/bupropion, Phentermine
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
193 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Sep 24, 2026, 9:01 AM 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 24, 2026, 9:01 AM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study Comparing Naltrexone SR/Bupropion SR and Placebo in Obese Subjects With Type 2 Diabetes

NCT00474630
View directory record Official record
Conditions
Obesity, Overweight, Diabetes Mellitus, Type 2
Interventions
Naltrexone SR 32 mg/bupropion SR 360 mg/ day, Placebo, Ancillary therapy
Drug · Behavioral
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 70 Years
Enrollment
505 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
53
States / cities
Fairhope, Alabama • Peoria, Arizona • Phoenix, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2014 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Bupropion for Smoking Cessation in Pregnancy

NCT01875172
View directory record Official record
Conditions
Smoking Cessation, Pregnancy
Interventions
Bupropion SR, placebo, smoking cessation counseling
Drug · Behavioral
Lead sponsor
Watching Over Mothers & Babies Foundation
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 10, 2013 · Synced Sep 24, 2026, 9:01 AM EDT
Completed Phase 3 Interventional Results available

Method-of-Use Study Assessing the Effect of Naltrexone Sustained Release (SR)/ Bupropion SR on Body Weight and Cardiovascular Risk Factors in Overweight and Obese Subjects

NCT01764386
View directory record Official record
Conditions
Obesity, Overweight
Interventions
NB, CLI, Usual Care
Drug · Behavioral
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Eligibility
18 Years to 60 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
15
States / cities
Denver, Colorado • St Louis, Missouri • Cary, North Carolina + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2015 · Synced Sep 24, 2026, 9:01 AM EDT
Terminated Phase 4 Interventional Results available

EMI-EHP Weight Management and Type 2 Diabetes Pragmatic Trial

NCT04531176
View directory record Official record
Conditions
Type 2 Diabetes, Obesity
Interventions
Weight Management Program (WMP), Traditional care, Phentermine / Topiramate Extended Release Oral Capsule, naltrexone/bupropion extended-release, liraglutide 3.0 mg, Orlistat
Other · Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 24, 2026, 9:01 AM EDT