Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 9, 2026, 5:01 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 160 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Migraine, Headache, Dizziness
Interventions
topiramate, lactulose placebo pill
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
San Francisco, California
Conditions
Obesity, Metabolic Syndrome X
Interventions
Metformin, Orlistat, Topiramate, Placebo
Drug
Lead sponsor
University of Iowa
Other
Eligibility
40 Years to 75 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Active, not recruiting No phase listed Observational

Anti-obesity Pharmacotherapy and Inflammation

NCT05756764
Conditions
Obesity
Interventions
Semaglutide, Phentermine-Topiramate combination, Phentermine, Tirzepatide, Topiramate, Diethylpropion, Naltrexone/Bupropion, Liraglutide
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
35 Years to 60 Years
Enrollment
30 participants
Timeline
2023 – 2026
U.S. locations
2
States / cities
New Orleans, Louisiana
Conditions
Tuberous Sclerosis Complex-associated Refractory Seizures
Interventions
RAD001, Placebo, Antiepileptic drug (1 to 3 only), open label RAD001 (only used for post-extension phase)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
2 Years to 65 Years
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
22
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 18 more
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Biobehavioral Effects of Topiramate on Cannabis-Related Outcomes in Adolescents

NCT01110434
Conditions
Cannabis Abuse, Cannabis Dependence
Interventions
Topiramate, Placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
15 Years to 20 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Providence, Rhode Island
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
Conditions
Obesity
Interventions
VI-0521, topiramate, phentermine
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
756 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Durham, North Carolina • Philadelphia, Pennsylvania
Completed Phase 3 Interventional Accepts healthy volunteers Results available

NINDS CRC Chronic Migraine Treatment Trial

NCT00772031
Conditions
Chronic Migraine
Interventions
propranolol LA, topiramate, placebo
Drug
Lead sponsor
Anne Lindblad
Industry
Eligibility
18 Years and older
Enrollment
191 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
39
States / cities
Phoenix, Arizona • Tuscon, Arizona • Chico, California + 35 more
Conditions
Obesity
Interventions
Weight Management Program (WMP), Medication for chronic weight management (Rx)
Other · Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Ménière
Interventions
nortriptyline + topiramate
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
25 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Orange, California
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Pilot Study to Compare Frovatriptan vs. Topiramate for Prevention of Migraine

NCT00846495
Conditions
Migraine
Interventions
topiramate, frovatriptan
Drug
Lead sponsor
Clinvest
Individual
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Oviedo, Florida • Springfield, Missouri
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Topiramate on Adolescent Alcohol Use: Efficacy and Mechanisms

NCT01641445
Conditions
Alcohol Drinking
Interventions
Topiramate, Placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
14 Years to 24 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Cyanotic Congenital Heart Disease
Interventions
Topiramate, No medication, but routine heart surgery
Drug · Other
Lead sponsor
University of California, Davis
Other
Eligibility
Up to 2 Months
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Sacramento, California
Conditions
Alcoholism, Alcohol Use Disorder (AUD)
Interventions
Topiramate, Medical Management, Inactive Placebo
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Conditions
Diabetes
Interventions
VI-0521
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
19 Years to 70 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
9
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 6 more
Conditions
Tinnitus
Interventions
Nortriptyline, Topiramate, Paroxetine, Verapamil
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
25 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Orange, California
Conditions
Cocaine-Related Disorders
Interventions
Topiramate + Cognitive Behavioral Therapy, Placebo + Cognitive Behavioral Therapy
Drug
Lead sponsor
Bankole Johnson
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
2
States / cities
Charlottesville, Virginia • Richmond, Virginia
Conditions
Metabolic Syndrome X, Diabetes Mellitus, Type 2
Interventions
topiramate
Drug
Lead sponsor
Northeastern Ohio Universities College of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
5
States / cities
Akron, Ohio • Canton, Ohio • Youngstown, Ohio
Conditions
Smoking Cessation
Interventions
Topiramate, Placebo
Drug
Lead sponsor
Lindner Center of HOPE
Other
Eligibility
18 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Bipolar I Disorder, Bipolar II Disorder, Schizo Affective Disorder, Obesity, Weight Loss, GLP - 1
Interventions
Group Therapy Program, semaglutide, Phentermine-Topiramate, naltrexone and bupropion (combination)
Behavioral · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Obesity, Diabetes Mellitus
Interventions
Behavioral and Drug, Behavioral
Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
20 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
North Chicago, Illinois
Conditions
Obesity
Interventions
VI-0521, Placebo matched phentermine/topiramate
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
1,267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
5
States / cities
San Diego, California • Ridgefield, Connecticut • Durham, North Carolina + 2 more
Conditions
Obesity
Interventions
Administration of weight loss drug (Metformin or Topiramate)
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Hartford, Connecticut
Conditions
Bipolar Disorder, Weight Gain
Interventions
Topiramate, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
10 Years to 18 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Cincinnati, Ohio