Clinical Trials

Numerous clinical trials, spanning Early Phase 1 through Phase 4, investigate topiramate across diverse neurological, metabolic, and psychiatric conditions, including migraine, obesity, Tourette syndrome, postoperative pain, and HIV-1 infection. Sponsored by prominent academic institutions such as Stanford University and the University of Minnesota, as well as pharmaceutical organizations like Eli Lilly and Janssen-Cilag, the research landscape reflects broad clinical utility. Across these initiatives, trial statuses encompass completed evaluations, active recruitment, and planned future studies.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT07655440 NOT_YET_RECRUITING
Migraine Associated Vertigo; Tinnitus; Migraine; Vestibular Migraine
Stanford University
2026-07 PHASE4
NCT07790913 NOT_YET_RECRUITING
Acute Lymphoblastic Leukemia in Remission; Hodgkin Lymphoma in Remission; Non-Hodgkin Lymphoma in Remission; Cancer Survivorship
St. Jude Children's Research Hospital
2026-09 PHASE2
NCT06972056 RECRUITING
Migraine
Mayo Clinic
2025-07-09 PHASE4
NCT07384624 NOT_YET_RECRUITING
HIV (Human Immunodeficiency Virus); HIV -1 Infection
Erasmus Medical Center
2026-04 PHASE1; PHASE2
NCT05209984 WITHDRAWN
Overweight; Obesity
Eurofarma Laboratorios S.A.
2026-04 PHASE3
NCT07213466 RECRUITING
Bipolar I Disorder; Bipolar II Disorder; Schizo Affective Disorder; Obesity; Weight Loss; GLP - 1
Mayo Clinic
2026-01-19 PHASE4
NCT05582837 RECRUITING
Ménière
University of California, Irvine
2022-08-01 PHASE4
NCT03307863 SUSPENDED
Contraception; Drug Interactions
University of Sao Paulo
2017-11-01 PHASE4
NCT05975580 RECRUITING
Obesity
University of California, Irvine
2023-08-29 PHASE4
NCT06854614 ACTIVE_NOT_RECRUITING
Obesity
The Cleveland Clinic
2025-03-01 PHASE4
NCT07707544 ACTIVE_NOT_RECRUITING
Idiopathic Intracranial Hypertension
Sohag University
2026-06-01
NCT06799169 ACTIVE_NOT_RECRUITING
Tinnitus
University of California, Irvine
2025-06-01 PHASE4
NCT06499116 NOT_YET_RECRUITING
Migraine
Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina
2024-10 PHASE4
NCT02808533 ACTIVE_NOT_RECRUITING
Schizophrenia, Schizoaffective Disorder
Centre for Addiction and Mental Health
2016-05
NCT05834062 WITHDRAWN
Obesity, Adolescent
University of Minnesota
2023-10-17 PHASE2
NCT04298203 COMPLETED
Obesity
University of Minnesota
2021-08-04 PHASE2
NCT06347497 COMPLETED
Migraine
Kafrelsheikh University
2024-04-01 PHASE3
NCT06299891 RECRUITING
Hypothalamic Obesity; Hypothalamic Tumor; Craniopharyngioma
Seattle Children's Hospital
2025-03-01 PHASE2
NCT04613024 WITHDRAWN
Weight Loss; Pain, Postoperative
Stanford University
2025-07-01 EARLY_PHASE1
NCT04881799 ACTIVE_NOT_RECRUITING
Pediatric Obesity
University of Minnesota
2022-07-07 EARLY_PHASE1
NCT03667846 RECRUITING
Post Traumatic Stress Disorder; Alcohol Use Disorder
NYU Langone Health
2019-10-10 PHASE2
NCT05403229 UNKNOWN
Sudden Deafness; Sudden Sensorineural Hearing Loss
Chang Gung Memorial Hospital
2022-10-17 PHASE2
NCT05748483 COMPLETED
Migraine
AbbVie
2023-10-07 PHASE3
NCT06282783 UNKNOWN
HIV-1-infection; Hiv; HIV Infections; HIV I Infection
Erasmus Medical Center
2024-09 PHASE1; PHASE2
NCT04007393 COMPLETED
Adolescent Obesity
University of Minnesota
2019-11-21 PHASE2
NCT06243692 UNKNOWN
Migraine Disorders
Kafrelsheikh University
2024-02-01 PHASE3
NCT05579249 COMPLETED
Obesity
Novo Nordisk A/S
2023-01-19 PHASE4
NCT04621929 COMPLETED
Obesity; Uric Acid Stones; Type 2 Diabetes Mellitus in Obese; Pre-Diabetes
University of Florida
2021-03-31 PHASE2
NCT05958160 UNKNOWN
Epileptic Spasms, Failed Hormonal Therapy
Lady Hardinge Medical College
2023-07-20 PHASE2; PHASE3
NCT04986631 COMPLETED
Obesity, Childhood
University of Minnesota
2022-04-04 EARLY_PHASE1
NCT06282783 Not yet recruiting
HIV-1-infection|Hiv|HIV Infections|HIV I Infection
Erasmus Medical Center
2024-09 Phase 1|Phase 2
NCT04581603 TERMINATED
Alcohol Use Disorder With Insomnia
VA Office of Research and Development
2022-06-15 PHASE4
NCT03689114 COMPLETED
Epilepsies, Partial
Mario Negri Institute for Pharmacological Research
2021-05-10 PHASE4
NCT04721873 RECRUITING
Colitis, Ulcerative; Obesity
University of California, San Diego
2020-12-18 PHASE2
NCT06248931 COMPLETED
Migraine Disorders
Kafrelsheikh University
2022-05-01 PHASE3
NCT06089356 UNKNOWN
Migraine
Tanta University
2023-01-01 PHASE4
NCT04404439 COMPLETED
Tinnitus, Subjective; Tinnitus
University of California, Irvine
2019-09-26 PHASE4
NCT05975580 Recruiting
Obesity
University of California Irvine|National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
2023-08-29 Phase 4
NCT05663749 COMPLETED
Metabolic Syndrome; Schizophrenia
All India Institute of Medical Sciences, Bhubaneswar
2022-09-20 PHASE4
NCT04613024 Not yet recruiting
Weight Loss|Pain Postoperative
Stanford University
2023-07-01 Early Phase 1
NCT05516251 UNKNOWN
Migraine, Classic
Tongji Hospital
2021-10-01
NCT05759845 UNKNOWN
Migraine
Dr. Reaz Mahmud
2022-08-22 PHASE4
NCT01950520 COMPLETED
Healthy Volunteers
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
2014-02-07 PHASE2
NCT03176953 COMPLETED
PTSD and Alcohol Use Disorder
VA Office of Research and Development
2017-11-01 PHASE2; PHASE3
NCT03603080 TERMINATED
Obesity
Hartford Hospital
2019-03-01 PHASE4
NCT04531176 TERMINATED
Type 2 Diabetes; Obesity
The Cleveland Clinic
2020-09-01 PHASE4
NCT04408586 COMPLETED
Obesity
Mayo Clinic
2020-06-03 PHASE4
NCT04572217 WITHDRAWN
Pediatric Obesity
Janey Pratt
2022-06-01 PHASE2
NCT03374956 COMPLETED
Obesity
Mayo Clinic
2017-12-11 PHASE3
NCT04986631 Recruiting
Obesity Childhood
University of Minnesota
2022-04-04 Early Phase 1
NCT01765218 TERMINATED
Hypoxic Ischemic Encephalopathy
Kristin R Hoffman
2013-02 PHASE1; PHASE2
NCT04095104 COMPLETED
Obesity, Morbid; Bariatric Surgery; Adolescent; Young Adult; Drug Therapy
University of Colorado, Denver
2020-01-15 PHASE2
NCT03018704 TERMINATED
Alcohol Use Disorder
VA Office of Research and Development
2017-08-01 PHASE4
NCT04453306 UNKNOWN
Obesity; Polycystic Ovary Syndrome; Hyperandrogenism
Hospital de Clinicas de Porto Alegre
2014-05 PHASE4
NCT04154813 UNKNOWN
Fluoxetine
Shanghai Mental Health Center
2020-02-01
NCT02878798 COMPLETED
Cryptogenic Sensory Peripheral Neuropathy in Metabolic Syndrome
Virginia Commonwealth University
2018-02-12 PHASE2
NCT03335163 COMPLETED
Migraine; Migraine;Menstrual; Contraception
University of Colorado, Denver
2018-03-15 PHASE1
NCT03479086 UNKNOWN
Alcohol Dependence
South West Sydney Local Health District
2017-06-20 PHASE3
NCT04401137 COMPLETED
Migraine
SK Chemicals Co., Ltd.
2020-07-01 PHASE1
NCT04523935 COMPLETED
Cerebral Palsy; Excessive Crying; Pain
Sathbhavana Brain Clinic
2005-12-07 PHASE4
NCT03828539 COMPLETED
Migraine
Novartis Pharmaceuticals
2019-02-22 PHASE4
NCT02635386 COMPLETED
Polycystic Ovary Syndrome; Obesity
Woman's
2016-03-22 PHASE3
NCT02201251 COMPLETED
Epilepsy
Janssen Research & Development, LLC
2014-10-06 PHASE3
NCT02371889 COMPLETED
Alcoholism; Alcohol Use Disorder (AUD)
University of Pennsylvania
2014-12-18 PHASE2
NCT02169830 TERMINATED
Migraine Disorders
St. Louis University
2014-08-22
NCT02239913 COMPLETED
Cocaine Use Disorder
University of Kentucky
2014-09 PHASE1
NCT01749215 COMPLETED
Alcohol Dependence; Posttraumatic Stress Disorder (PTSD)
University of California, San Francisco
2013-02 PHASE4
NCT03120468 COMPLETED
Alcoholism
Nassima Ait-Daoud Tiouririne
2017-05-01 EARLY_PHASE1
NCT03712917 COMPLETED
Migraine
Ataturk University
2019-03-01
NCT03767062 COMPLETED
Medication Overuse Headache; Chronic Migraine, Headache
Ataturk University
2019-03-01
NCT00182520 COMPLETED
Obsessive Compulsive Disorder
McMaster University
2002-01 PHASE4
NCT00182455 TERMINATED
Social Phobia
McMaster University
2004-03-01 PHASE4
NCT03354507 UNKNOWN
Epilepsy; Metabolic Acidosis; Tubular Acidosis; Renal
McMaster Children's Hospital
2018-01
NCT00606411 COMPLETED
Sleep-Related Eating Disorder
Massachusetts General Hospital
2008-01 EARLY_PHASE1
NCT02707965 COMPLETED
Epilepsy
Food and Drug Administration (FDA)
2017-06-08 PHASE1
NCT03280342 WITHDRAWN
Migraine; Headache
University of Minnesota
2017-10-30 PHASE2
NCT02301416 COMPLETED
Obesity; Metabolic Surgery; Weight Loss; Bariatric Surgery Procedures
Wake Forest University Health Sciences
2014-12 PHASE2
NCT02273804 COMPLETED
Obese Children and Adolescents
Assistance Publique - Hôpitaux de Paris
2016-06-01 PHASE3
NCT03308669 COMPLETED
Healthy
Eli Lilly and Company
2017-10-16 PHASE1
NCT01182766 COMPLETED
Alcohol Dependence; Nicotine Dependence
University of Virginia
2011-11-01 PHASE2; PHASE3
NCT03308669 Completed
Healthy
Eli Lilly and Company
2017-10-16 Phase 1
NCT02643719 WITHDRAWN
Migraine
NYU Langone Health
2015-12
NCT01426542 COMPLETED
Cyanotic Congenital Heart Disease
University of California, Davis
2011-03 PHASE1
NCT02645370 UNKNOWN
Migraine
Xijing Hospital
2016-02 PHASE1
NCT02374567 TERMINATED
Dementia; Depression; Schizophrenia; Psychosomatic Disorders; Anxiety Disorders
Hannover Medical School
2015-01 PHASE3
NCT01811940 COMPLETED
Cocaine Dependence
New York State Psychiatric Institute
2013-07 PHASE2; PHASE3
NCT02191579 COMPLETED
Migraine Disorders
Allergan
2014-08-05 PHASE4
NCT02074904 TERMINATED
Alcohol Drinking
University of Pennsylvania
2015-05 PHASE2
NCT02113787 COMPLETED
Epilepsy
Seoul National University Hospital
2014-02
NCT02553824 COMPLETED
Binge Eating Disorder; Bulimia Nervosa
Stanford University
2015-10-30 PHASE1
NCT01889602 COMPLETED
Cognitive Deficits
University of Minnesota
2013-07 PHASE4
NCT01789047 TERMINATED
Idiopathic Parkinson's Disease; Drug Induced Dyskinesia
Rush University Medical Center
2013-03 PHASE2
NCT02659475 COMPLETED
Binge Eating Disorder
Lindner Center of HOPE
2015-09 PHASE2
NCT00571246 WITHDRAWN
Alcohol Dependence; Post Traumatic Stress Disorder
Yale University
2012-06 PHASE3
NCT02138058 COMPLETED
Compulsive Shopping
University of Sao Paulo
2015-01 PHASE2
NCT01641445 COMPLETED
Alcohol Drinking
Brown University
2012-07 PHASE1; PHASE2
NCT01859013 COMPLETED
Obesity, Morbid; Obesity; Weight Loss
University of Minnesota
2013-06 PHASE2
NCT02810483 TERMINATED
Prader-Willi Syndrome
Assistance Publique - Hôpitaux de Paris
2012-12 PHASE3
NCT01750268 COMPLETED
Traumatic Brain Injury (TBI); Hazardous and Harmful Alcohol Use
University of California, San Francisco
2012-11 PHASE4
NCT00884884 COMPLETED
Alcohol Dependence
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
2007-09 PHASE2; PHASE3
NCT01970566 WITHDRAWN
Obesity; Diabetes Mellitus
US Department of Veterans Affairs
2013-11
NCT01229735 COMPLETED
Epilepsy
UCB Korea Co., Ltd.
2010-11 PHASE4
NCT01581281 TERMINATED
Migraine; Migraine Disorders; Headache
Children's Hospital Medical Center, Cincinnati
2012-06 PHASE3
NCT02639598 COMPLETED
Chronic Migraine
Taipei Veterans General Hospital, Taiwan
2012-06 PHASE4
NCT00802412 COMPLETED
Nicotine Dependence; Alcohol Dependence
VA Office of Research and Development
2009-01 PHASE2
NCT01700387 COMPLETED
Chronic Migraine
Cady, Roger, M.D.
2012-10 PHASE4
NCT00572117 COMPLETED
Bipolar Disorder; Alcoholism; Alcohol Dependence
Stanford University
2007-08 PHASE4
NCT01161017 COMPLETED
Migraine
Rambam Health Care Campus
2008-07
NCT01834404 COMPLETED
Obesity
Mayo Clinic
2013-04 PHASE4
NCT01351753 TERMINATED
Obesity; Metabolic Syndrome X
University of Iowa
2011-03 PHASE2
NCT01764685 TERMINATED
Heavy Drinking; HIV; Alcohol Dependence
University of Pennsylvania
2013-01 PHASE2
NCT01241019 COMPLETED
Hypoxic Ischemic Encephalopathy
Meyer Children's Hospital IRCCS
2010-02 PHASE2
NCT00626925 COMPLETED
Alcohol Drinking
UConn Health
2008-02 PHASE4
NCT00862563 TERMINATED
Alcoholism; Alcohol Dependence; Alcohol Abuse
Boston Medical Center
2009-05 PHASE2
NCT01408641 TERMINATED
Alcohol Dependence; Alcoholism; Alcohol Abuse; Alcohol Use Disorder; PTSD; Posttraumatic Stress Disorder
University of Maryland, Baltimore
2012-09
NCT00448825 UNKNOWN
Alcohol Dependence; Cocaine Dependence
Bankole Johnson
2007-03 PHASE3
NCT00006205 UNKNOWN
Alcoholism
Bankole Johnson
2005-03 PHASE2
NCT00862095 TERMINATED
Headache
Madigan Army Medical Center
2008-06 PHASE4
NCT01087736 COMPLETED
PTSD; Alcohol Abuse; Alcoholism
University of California, San Francisco
2010-04 PHASE4
NCT01110434 COMPLETED
Cannabis Abuse; Cannabis Dependence
Brown University
2009-12 PHASE2
NCT01135602 UNKNOWN
Alcohol Dependence
Chiang Mai University
2010-07 PHASE4
NCT00393978 COMPLETED
Bipolar Disorder; Cannabis-Related Disorder
University of Cincinnati
2006-11 PHASE4
NCT01384279 COMPLETED
Obesity
Beitou Armed Forces Hospital, Taipei, Taiwan
2011-05
NCT00249691 UNKNOWN
Cocaine-Related Disorders
Bankole Johnson
2005-10 PHASE3
NCT01439438 COMPLETED
Epilepsy, Tonic-Clonic
GlaxoSmithKline
2011-07-22 PHASE1
NCT00732108 WITHDRAWN
Migraine; Headache; Dizziness
University of California, San Francisco
2008-11
NCT00685178 COMPLETED
Cocaine Dependence
Johns Hopkins University
2007-02 PHASE2
NCT00396734 SUSPENDED
Opioid-Related Disorders; Cocaine-Related Disorders
Hadassah Medical Organization
2007-04
NCT01145677 COMPLETED
Alcohol Dependence
Chiang Mai University
2010-06 PHASE2; PHASE3
NCT01627860 COMPLETED
Epilepsy
Johnson & Johnson Taiwan Ltd
2010-02 PHASE4
NCT00846495 COMPLETED
Migraine
Clinvest
2009-08 PHASE4
NCT01114854 COMPLETED
Epilepsy
Supernus Pharmaceuticals, Inc.
2010-06 PHASE1
NCT00777218 WITHDRAWN
Migraine
University of South Alabama
2007-08
NCT02884050 COMPLETED
Alteration of Cognitive Function
University of Florida
2009-04 PHASE1
NCT01843699 COMPLETED
Pathological Gambling
University of Sao Paulo
2009-06 PHASE2
NCT00769158 COMPLETED
Alcoholism
Bankole Johnson
2008-10 PHASE1
NCT00772031 COMPLETED
Chronic Migraine
Anne Lindblad
2008-10 PHASE3
NCT00753493 COMPLETED
Epilepsy; Migraines
University of Minnesota
2008-08 PHASE1
NCT01096420 COMPLETED
Patients With Chronic Migraine
Kuang Tien General Hospital
2008-08
NCT00988481 WITHDRAWN
Bulimia Nervosa
Neuropsychiatric Research Institute, Fargo, North Dakota
2009-09 PHASE4
NCT00794313 TERMINATED
Parkinson's Disease
Oregon Health and Science University
2009-09
NCT00550394 COMPLETED
Bipolar Disorder; Alcohol Abuse
University of Cincinnati
2008-04 PHASE4
NCT00421603 COMPLETED
Cocaine Dependence
New York State Psychiatric Institute
2007-02 PHASE2
NCT00563459 TERMINATED
Epilepsy; Seizures
SK Life Science, Inc.
2007-11 PHASE3
NCT00167245 COMPLETED
Alcoholism; Cocaine Dependence
Kyle Kampman
2004-09 PHASE2
NCT00223626 COMPLETED
Cocaine-Related Disorders
Bankole Johnson
2007-01 PHASE2
NCT01689649 COMPLETED
Epilepsy
Janssen Research & Development, LLC
2008-05-02 PHASE4
NCT02424318 COMPLETED
Migraine Disorders
SMG-SNU Boramae Medical Center
2008-12 PHASE4
NCT01799590 COMPLETED
Migraine
Janssen Pharmaceutical K.K.
2007-08 PHASE2
NCT00725920 COMPLETED
Posttraumatic Stress Disorder
Federal University of São Paulo
2007-01 PHASE4
NCT00812006 COMPLETED
Migraine
Organon and Co
2009-03-24 PHASE3
NCT00394095 COMPLETED
Bipolar Disorder; Weight Gain
University of Cincinnati
2006-12 PHASE4
NCT00855738 COMPLETED
Focal Epilepsy
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
2007-05 PHASE4
NCT00463775 WITHDRAWN
Alcohol Dependence; Borderline Personality Disorder
Elizabeth Ralevski
2007-03 PHASE3
NCT00245583 TERMINATED
Pathological Gambling
Icahn School of Medicine at Mount Sinai
2005-10 PHASE3
NCT00554216 COMPLETED
Obesity
VIVUS LLC
2007-11 PHASE3
NCT00768209 COMPLETED
Hepatic Impairment
VIVUS LLC
2008-10 PHASE1
NCT00842400 COMPLETED
Obesity
VIVUS LLC
2009-02 PHASE1
NCT00768404 COMPLETED
Renal Impairment
VIVUS LLC
2008-10 PHASE1
NCT00598923 TERMINATED
Traumatic Brain Injury; Epilepsy
University of Pennsylvania
2004-11 EARLY_PHASE1
NCT01081795 COMPLETED
Migraine
Janssen Pharmaceutical K.K.
2007-04 PHASE2
NCT00206323 COMPLETED
Tourette Syndrome
Baylor College of Medicine
2004-09 PHASE3
NCT00206336 COMPLETED
Tourette Syndrome
Baylor College of Medicine
2004-10 PHASE3
NCT00755716 COMPLETED
Tobacco Dependence
UConn Health
2006-04 PHASE3
NCT00600067 COMPLETED
Diabetes
VIVUS LLC
2008-01 PHASE2
NCT00563368 COMPLETED
Obesity
VIVUS LLC
2007-12 PHASE3
NCT00345371 COMPLETED
Methamphetamine
National Institute on Drug Abuse (NIDA)
2006-04 PHASE2
NCT00154076 COMPLETED
Epilepsy
Eisai Korea Inc.
2005-09 PHASE4
NCT00223639 COMPLETED
Alcoholism
Bankole Johnson
2005-09 PHASE2
NCT00300742 COMPLETED
Alcohol Dependence; Binge Eating
University of Virginia
2006-03 PHASE2
NCT01060111 COMPLETED
Migraine
Janssen Korea, Ltd., Korea
2006-07 PHASE4
NCT00329407 COMPLETED
Alcoholism
Boston University
2003-09 PHASE4
NCT00518466 COMPLETED
Obesity
VIVUS LLC
2007-07 PHASE1
NCT00113815 COMPLETED
Partial Seizure Disorder; Epilepsy; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2005-05 PHASE3
NCT00286988 TERMINATED
Vomiting
Monarch Medical Research
2006-03 PHASE4
NCT00939692 COMPLETED
Healthy
Torrent Pharmaceuticals Limited
2007-01 PHASE1
NCT02283814 COMPLETED
Epilepsy
Bial - Portela C S.A.
2007-01 PHASE1
NCT00208858 COMPLETED
Tobacco Use Disorder
Emory University
2004-12 PHASE2
NCT00187928 COMPLETED
Obsessive-Compulsive Disorder
University of Florida
2003-01 PHASE3
NCT00065923 COMPLETED
Prader-Willi Syndrome; Self-Injurious Behavior
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
2002-07
NCT00648934 COMPLETED
Healthy
Mylan Pharmaceuticals Inc
2005-11 PHASE1
NCT00649467 COMPLETED
Healthy
Mylan Pharmaceuticals Inc
2005-11 PHASE1
NCT00649740 COMPLETED
Healthy
Mylan Pharmaceuticals Inc
2005-11 PHASE1
NCT00203463 COMPLETED
PTSD
Tuscaloosa Research & Education Advancement Corporation
2001-07 PHASE4
NCT00904943 COMPLETED
Healthy
Teva Pharmaceuticals USA
2002-06 PHASE1
NCT00905346 COMPLETED
Healthy
Teva Pharmaceuticals USA
2002-06 PHASE1
NCT00905164 COMPLETED
Healthy
Teva Pharmaceuticals USA
2002-06 PHASE1
NCT02040311 TERMINATED
Obesity
University of Copenhagen
2000-08 PHASE4
NCT00902473 COMPLETED
Healthy
Ranbaxy Laboratories Limited
2001-09
NCT00901784 COMPLETED
Healthy
Ranbaxy Laboratories Limited
2001-09
NCT00905567 COMPLETED
Healthy
Teva Pharmaceuticals USA
2001-06 PHASE1
NCT00905606 COMPLETED
Healthy
Teva Pharmaceuticals USA
2001-06 PHASE1
NCT00231608 COMPLETED
Obesity
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1998-12 PHASE2
NCT00231595 COMPLETED
Migraine; Common Migraine; Classic Migraine; Headache
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-03 PHASE3
NCT00237289 COMPLETED
Bipolar Disorder
Ortho-McNeil Neurologics, Inc.
2001-10 PHASE3
NCT00236873 COMPLETED
Epilepsy; Epilepsies, Partial; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1989-10 PHASE2
NCT00752466 COMPLETED
Human Volunteers; Migraine
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2003-03 PHASE1
NCT00231634 TERMINATED
Obesity; Diabetes Mellitus, Type 2; Diabetes Mellitus, Adult-Onset
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-05 PHASE3
NCT00266604 COMPLETED
Epilepsy; Seizures; Epilepsies, Partial; Epilepsy, Generalized; Seizures, Tonic-Clonic
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2005-12 PHASE4
NCT00237302 COMPLETED
Migraine
Ortho-McNeil Neurologics, Inc.
2001-07 PHASE3
NCT00307619 COMPLETED
Binge Eating
Janssen-Cilag Farmaceutica Ltda.
2003-11 PHASE3
NCT00212810 COMPLETED
Migraine; Headache; Classic Migraine; Common Migraine
Ortho-McNeil Neurologics, Inc.
2005-09 PHASE4
NCT00216606 COMPLETED
Migraine
Janssen Pharmaceutica N.V., Belgium
2003-12 PHASE3
NCT00216567 COMPLETED
Epilepsy, Rolandic
Janssen Korea, Ltd., Korea
2002-12 PHASE4
NCT00210496 COMPLETED
Migraine; Classic Migraine; Common Migraine
Janssen-Ortho LLC
2005-06 PHASE4
NCT00208130 COMPLETED
Post-Traumatic Stress Disorder
Creighton University
2001-10 PHASE4
NCT00236691 COMPLETED
Epilepsy; Epilepsies, Partial; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1988-07 PHASE2
NCT00939705 COMPLETED
Healthy
Torrent Pharmaceuticals Limited
PHASE1
NCT00204386 COMPLETED
Posttraumatic Stress Disorder
University of Oklahoma
2002-09 PHASE2; PHASE3
NCT00210574 COMPLETED
Epilepsy, Absence
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2005-03 PHASE2
NCT00236626 COMPLETED
Obesity; Diabetes Mellitus, Type 2; Diabetes Mellitus, Adult-Onset
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2000-04 PHASE2
NCT00231530 COMPLETED
Obesity; Diabetes Mellitus, Type 2; Diabetes Mellitus, Adult-Onset
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-01 PHASE3
NCT00210821 COMPLETED
Migraine; Headache
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2004-02 PHASE3
NCT00231621 TERMINATED
Obesity; Hyperlipidemia; Hypertriglyceridemia
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-05 PHASE3
NCT00236496 COMPLETED
Essential Tremor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-10 PHASE3
NCT00004807 COMPLETED
Rett Syndrome
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
1995-01
NCT00236730 COMPLETED
Epilepsy; Epilepsies, Partial; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1988-06 PHASE2
NCT00296959 TERMINATED
Parkinson's Disease
University Health Network, Toronto
2004-09 PHASE2
NCT00253175 COMPLETED
Vascular Headaches; Migraine
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2000-10 PHASE3
NCT00210808 COMPLETED
Obesity; Binge-Eating Disorder
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2003-09 PHASE2; PHASE3
NCT00200941 COMPLETED
Restless Legs Syndrome
Neurocare
2001-08 PHASE4
NCT00231647 COMPLETED
Obesity; Diabetes Mellitus, Type 2; Diabetes Mellitus, Adult-Onset
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2004-02 PHASE2
NCT00768677 COMPLETED
Eating Disorders; Bulimia Nervosa
The Zucker Hillside Hospital
2003-07
NCT00035802 COMPLETED
Bipolar Disorder; Affective Disorders, Psychotic; Mood Disorders; Mental Disorders
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2002-01 PHASE3
NCT00131443 COMPLETED
Basilar Migraine
Monarch Medical Research
2004-02 PHASE2; PHASE3
NCT00236847 COMPLETED
Epilepsy; Epilepsies, Partial; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1989-12 PHASE2
NCT00236613 COMPLETED
Obesity
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2000-09 PHASE2
NCT00210535 COMPLETED
Migraine; Vascular Headaches
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2005-06 PHASE3
NCT00243984 SUSPENDED
Metabolic Syndrome X; Diabetes Mellitus, Type 2
Northeastern Ohio Universities College of Medicine
2005-03 PHASE3
NCT00236860 COMPLETED
Epilepsy; Epilepsies, Partial; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1989-05 PHASE2
NCT00280839 COMPLETED
Smoking Cessation
Lindner Center of HOPE
PHASE3
NCT00210925 COMPLETED
Alcoholism
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2004-03 PHASE2
NCT00233012 COMPLETED
Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2005-06 PHASE1
NCT00261469 COMPLETED
Headache
Janssen-Ortho Inc., Canada
2003-04 PHASE2
NCT00231673 COMPLETED
Diabetic Neuropathies; Diabetes Mellitus, Type 2; Polyneuropathies
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-07 PHASE2
NCT00236418 COMPLETED
Epilepsy; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1994-12 PHASE3
NCT00236717 COMPLETED
Epilepsy; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1997-09 PHASE3
NCT00236704 COMPLETED
Epilepsy; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1994-03 PHASE3
NCT00236561 COMPLETED
Migraine; Common Migraine; Classic Migraine; Headache
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-04 PHASE3
NCT00236639 COMPLETED
Obesity
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2000-07 PHASE3
NCT00011804 COMPLETED
Sciatica
National Institute of Dental and Craniofacial Research (NIDCR)
2001-02 PHASE2
NCT00432549 UNKNOWN
Analgesic Rebound Headache
The New England Center for Headache, P.C.
2007-01 PHASE4
NCT00236509 COMPLETED
Migraine; Common Migraine; Classic Migraine; Headache
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-02 PHASE3
NCT00231556 COMPLETED
Epilepsy; Seizures; Epilepsies, Partial; Epilepsy, Generalized; Epilepsy, Tonic-Clonic
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1999-07 PHASE3
NCT00370188 WITHDRAWN
Gambling
Centre for Addiction and Mental Health
2006-09 PHASE2
NCT00210860 COMPLETED
Migraine
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2004-09 PHASE3
NCT00240721 COMPLETED
Bipolar Disorders; Mood Disorders; Affective Disorders, Psychotic
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2000-10 PHASE3
NCT00153699 UNKNOWN
Glaucoma, Angle-Closure
Chinese University of Hong Kong
2004-09 PHASE4
NCT00210912 COMPLETED
Migraine
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2003-09 PHASE3
NCT00158002 COMPLETED
Basilar Migraine
Monarch Medical Research
2004-02 PHASE2
NCT00004776 COMPLETED
Lennox-Gastaut Syndrome
National Center for Research Resources (NCRR)
1993-11 PHASE3
NCT00236665 COMPLETED
Obesity; Hypertension
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-03 PHASE3
NCT00210782 COMPLETED
Epilepsy
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2004-06 PHASE3
NCT00236600 COMPLETED
Obesity
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2000-08 PHASE3
NCT00210873 COMPLETED
Migraine
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2004-02 PHASE3
NCT00211744 COMPLETED
Obsessive-compulsive Disorder
Montefiore Medical Center
2004-08 PHASE4
NCT00236886 COMPLETED
Epilepsy; Epilepsies, Partial; Epilepsy, Generalized; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1998-05 PHASE3
NCT00216619 COMPLETED
Migraine
Janssen Pharmaceutica N.V., Belgium
2003-11 PHASE3
NCT00701493 COMPLETED
Epilepsy
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2004-11 PHASE1
NCT00236756 COMPLETED
Epilepsy; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1993-08 PHASE3
NCT00986336 COMPLETED
Bipolar Disorder
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-02 PHASE1
NCT00266591 COMPLETED
Epilepsy; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1992-10 PHASE3
NCT00037674 COMPLETED
Bipolar Disorder
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-01 PHASE3
NCT00230698 COMPLETED
Epilepsy; Epilepsies, Partial; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1995-11 PHASE3
NCT00236743 COMPLETED
Epilepsy; Epilepsies, Partial; Seizures
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
1994-06 PHASE3
NCT00203190 TERMINATED
Cluster Headache
Thomas Jefferson University
2004-09 PHASE4
NCT00035230 COMPLETED
Bipolar Disorder
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-07 PHASE3
NCT00231660 COMPLETED
Obesity; Diabetes Mellitus, Type 2; Diabetes Mellitus, Adult-Onset
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2000-10 PHASE3
NCT00986128 COMPLETED
Bipolar Disorder
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
2001-03 PHASE1

(data from https://clinicaltrials.gov, updated on 2026-06-17)

Check the Topiramate product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

Topiramate acts as a multi-targeted agent that inhibits voltage-gated sodium channels, blocks AMPA/kainate glutamate receptors, enhances GABA-A receptor activity, and inhibits carbonic anhydrase isozymes II and IV. By suppressing excessive neuronal hyperexcitability and modulating metabolic pathways, this compound exerts potent anticonvulsant and neuroprotective effects relevant to clinical trials evaluating epilepsy, migraine prophylaxis, and metabolic conditions such as obesity.

Appendix RUO and cGMP Quality Standards

Quality Dimension RUO (Research Use Only) cGMP (Current Good Manufacturing Practice)
Clinical Applicability Prohibited in human clinical trials or medical diagnostics. Mandatory for human clinical trials (Phase I–III) and therapies.
Regulatory Status Non-regulated grade; exempt from drug manufacturing laws. Legally enforced by health authorities (e.g., FDA, EMA, NMPA).
Facility Environment Unclassified analytical or research laboratories. Validated Cleanrooms (ISO Class 5–8) with continuous monitoring.
Quality Control Basic purity and activity testing. Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma).
Process Validation Basic equipment calibration; no process validation required. Full qualification (IQ/OQ/PQ) and complete batch records.
Quality Assurance Vendor self-declared without required formal QMS. Mandatory QA/QC unit, Change Control, CAPA, and vendor audits.
Regulatory Impact High risk of IND rejection if used as a critical raw material. Required for IND/NDA filings, supported by Drug Master Files (DMF).

Footnotes

Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).

Note: Technical data last updated: Sep 1, 2026.