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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 2 Interventional

Gabapentin for Restoring GABA/Glutamate Homeostasis in Co-occurring Bipolar and Cannabis Use Disorders

NCT05064319
View directory record Official record
Conditions
Bipolar Disorder, Cannabis Use, Schizoaffective Disorder, Bipolar Type, Bipolar I Disorder, Bipolar II Disorder, Cannabis Use Disorder, Mild, Cannabis Use Disorder, Moderate, Cannabis Use Disorder, Severe
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 3 Interventional

Gabapentin in Treating Peripheral Neuropathy in Cancer Patients Undergoing Chemotherapy

NCT00027963
View directory record Official record
Conditions
Neurotoxicity, Pain
Interventions
gabapentin, placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
22
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Peoria, Illinois + 19 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2016 · Synced Sep 26, 2026, 10:41 AM EDT
Terminated Phase 2 Interventional Results available

Quality of Life Study Using Gabapentin Versus Venlafaxine in Treating Hot Flashes in Patients With Prostate Cancer

NCT01533753
View directory record Official record
Conditions
Prostate Cancer
Interventions
Gabapentin, Venlafaxine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 20, 2019 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study Evaluating the Abuse Potential of NEURONTIN® in Healthy Non-drug Dependent, Recreational Opioid Users

NCT05319756
View directory record Official record
Conditions
Abuse Potential
Interventions
gabapentin 600 mg, gabapentin 1200 mg, gabapentin 600 mg and oxycodone HCl 20 mg, gabapentin 1200 mg and oxycodone HCl 20 mg, oxycodone HCl 20 mg, placebo
Drug
Lead sponsor
Viatris Specialty LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 3 Interventional

A Polysomnographic Study of Single-Dose Gabapentin in Transient Insomnia Induced by a Sleep Phase Advance

NCT00666770
View directory record Official record
Conditions
Transient Insomnia
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
309 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
5
States / cities
Glendale, California • San Diego, California • Overland Park, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Trial of Gabapentin in Vulvodynia: Biological Correlates of Response

NCT01301001
View directory record Official record
Conditions
Vulvodynia
Interventions
Placebo oral capsule, Gabapentin
Drug
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years and older · Female only
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
3
States / cities
New Brunswick, New Jersey • Rochester, New York • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 7, 2017 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Results available

Gabapentin Treatment of Benzodiazepine Abuse in Methadone Maintenance Patients

NCT00420771
View directory record Official record
Conditions
Benzodiazepine Dependence, Opioid Dependence
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Long Island City, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Sep 26, 2026, 10:41 AM EDT
Recruiting Phase 4 Interventional

Gabapentin And Breast Surgery Decision Architecture Randomization Trial (GABS-DART) Protocol

NCT07308717
View directory record Official record
Conditions
Breast Cancer
Interventions
Modification to Pre-operative Order Set
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
1,896 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 3 Interventional

Gabapentin in Treating Hot Flashes in Patients With Prostate Cancer

NCT00028574
View directory record Official record
Conditions
Hot Flashes, Prostate Cancer
Interventions
gabapentin, placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Male only
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
170
States / cities
Mobile, Alabama • Washington D.C., District of Columbia • Jacksonville, Florida + 103 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2016 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Results available

A Study In Patients With Neuropathic Pain From Post-Herpetic Neuralgia (PHN)

NCT00619476
View directory record Official record
Conditions
Neuralgia, Postherpetic
Interventions
GEn 1200mg/day, GEn 2400mg/day, GEn 3600mg/day, Placebo
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
18 Years and older
Enrollment
376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
72
States / cities
Birmingham, Alabama • Northport, Alabama • Chandler, Arizona + 65 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2013 · Synced Sep 26, 2026, 10:41 AM EDT
Terminated Phase 4 Interventional Results available

Efficacy of Gralise® for Chronic Pelvic Pain

NCT01678911
View directory record Official record
Conditions
Irritable Bowel Syndrome, Ulcerative Colitis, Interstitial Cystitis, Prostatitis, Pelvic Pain
Interventions
Gralise
Drug
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 28, 2015 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Gabapentin in Reducing the Need for Pain Medication in Patients With Bladder Cancer Undergoing Radical Cystectomy

NCT02355886
View directory record Official record
Conditions
Bladder Carcinoma
Interventions
Gabapentin, Placebo, Questionnaire Administration
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 3, 2019 · Synced Sep 26, 2026, 10:41 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Gabapentin Premedication to Reduce Postoperative Pain for Pediatric Tonsillectomy

NCT03625011
View directory record Official record
Conditions
Tonsillitis, Tonsillectomy
Interventions
Gabapentin
Drug
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
3 Years to 18 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Sep 26, 2026, 10:41 AM EDT
Withdrawn Phase 2 Interventional

PROGRESS Trial - Prophylactic Gabapentin for Relief of Symptoms and Improved Swallowing

NCT03423264
View directory record Official record
Conditions
Oropharyngeal Cancer, HPV-Related Squamous Cell Carcinoma
Interventions
Gabapentin
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 4 Interventional Results available

Preoperative Gabapentin vs Placebo for Vaginal Prolapse Surgery

NCT05658887
View directory record Official record
Conditions
Pelvic Organ Prolapse, Perioperative/Postoperative Complications
Interventions
Gabapentin, Gabapentin Placebo
Drug
Lead sponsor
Joseph Kowalski
Other
Eligibility
18 Years and older · Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Relative Bioavailability Study of Gabapentin 800 mg Tablets Under Fasting Conditions

NCT00864760
View directory record Official record
Conditions
Healthy
Interventions
Gabapentin 800 mg tablets, single dose (1 tablet), NEURONTIN® 400 mg capsules, single dose (2 capsules)
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Aug 16, 2010 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2 Interventional

Comparing Gabapentin and Lorazepam for Treating Alcohol Withdrawal

NCT00011297
View directory record Official record
Conditions
Alcoholism
Interventions
gabapentin (Neurontin), lorazepam (Ativan)
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 22, 2006 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Results available

Gabapentin Treatment of Cannabis Dependence

NCT00974376
View directory record Official record
Conditions
Cannabis Dependence, Cannabis Withdrawal, Cognitive Deficits
Interventions
gabapentin 1200mg/day, Placebo, Manual-guided behavioral counseling
Drug · Behavioral
Lead sponsor
The Scripps Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Novel Topical Therapies for the Treatment of Genital Pain

NCT02099006
View directory record Official record
Conditions
Female Genital Diseases
Interventions
Amitriptyline, Baclofen, Ketoprofen, Ketamine, Loperamide, Gabapentin, placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Sep 26, 2026, 10:41 AM EDT
Active, not recruiting Not applicable Interventional

Pain Self-Management and Treatment Engagement for Patients Taking Opioids

NCT06855732
View directory record Official record
Conditions
Chronic Pain, Opioid Use Disorder, Opioid Misuse and Addiction
Interventions
Usual Care, Pain Self-Management
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
17
States / cities
Baltimore, Maryland • Allison Park, Pennsylvania • Blawnox, Pennsylvania + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 26, 2026, 10:41 AM EDT
Withdrawn Early Phase 1 Interventional

Beneficial Side Effects of Topiramate in Obese Patients Undergoing Total Joint Arthroplasty

NCT04613024
View directory record Official record
Conditions
Weight Loss, Pain, Postoperative
Interventions
Topamax, Gabapentin
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
0
States / cities
Not listed
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Efficacy of Gabapentin vs. Placebo for Adjuvant Pain Control Following Acute Rib Fractures

NCT02856750
View directory record Official record
Conditions
Acute Pain
Interventions
Gabapentin
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 25, 2018 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Results available

Clinical Efficacy of Sertraline Augmented With Gabapentin in Depressed, Recently Abstinent Cocaine-dependent Humans

NCT00654953
View directory record Official record
Conditions
Cocaine Dependence, Depressive Symptoms
Interventions
sertraline, Placebo, gabapentin
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2011 · Synced Sep 26, 2026, 10:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Administration of Pre-Operative Gabapentin to Patients Undergoing Laparoscopy

NCT02359110
View directory record Official record
Conditions
Postoperative Pain
Interventions
Gabapentin, Placebo
Drug · Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 11, 2018 · Synced Sep 26, 2026, 10:41 AM EDT