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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:46 AM EDT

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Showing 241–264 of 291 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Gabapentin Clear all
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 1

NCT00593463
View directory record Official record
Conditions
Drug Dependence
Interventions
Cycloserine, Diltiazem, Gabapentin, Isradipine, Naloxone, Nifedipine, Placebo, Saline, Verapamil
Drug · Device
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 11, 2011 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Gabapentin for the Reduction of Radiation Therapy Induced Pain During the Treatment of Oropharyngeal Cancer

NCT03269344
View directory record Official record
Conditions
Oropharynx Cancer
Interventions
Gabapentin, Placebo Oral Capsule
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Oct 17, 2026, 6:46 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 15, 2016 · Synced Oct 17, 2026, 6:46 AM EDT
Terminated Phase 4 Interventional

Blinded, Randomized Study of Gabapentin (Neurontin®) and Gabapentin Enacarbil (Horizant™) in Restless Leg Syndrome

NCT02117076
View directory record Official record
Conditions
Restless Leg Syndrome
Interventions
Gabapentin immediate release, Gabapentin enacarbil extended release
Drug
Lead sponsor
Theresa Zesiewicz, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 16, 2021 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 4 Interventional Results available

Gabapentin for Alcohol Withdrawal Syndrome

NCT03012815
View directory record Official record
Conditions
Alcohol Withdrawal Syndrome
Interventions
Gabapentin, Benzodiazepines, Divalproex Sodium
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 4 Interventional Results available

Gabapentin Enacarbil (GSK1838262) Adult Restless Leg Syndrome (RLS) Post Marketing Commitment Study

NCT01668667
View directory record Official record
Conditions
Restless Legs Syndrome
Interventions
GSK1838262 600 mg, GSK1838262 450 mg, GSK1838262 300 mg, GSK1838262 Placebo match
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
18 Years and older
Enrollment
501 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
42
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 37 more
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 2 Interventional Results available

HORIZANT (Gabapentin Enacarbil Extended-Release Tablets) for the Treatment of Alcohol Use Disorder

NCT02252536
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
gabapentin enacarbil, Placebo
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years and older
Enrollment
346 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
10
States / cities
Los Angeles, California • San Francisco, California • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Oct 17, 2026, 6:46 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 24, 2019 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Early Phase 1 Interventional

Role of Neurogenic Inflammation and Topical 6% Gabapentin Therapy in Symptomatic Scarring Alopecia

NCT03346668
View directory record Official record
Conditions
Scarring Alopecia, Frontal Fibrosing Alopecia, Lichen Planopilaris, Central Centrifugal Cicatricial Alopecia, Central Centrifugal Scarring Alopecia
Interventions
Topical gabapentin
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Not applicable Interventional Results available

Cross-over Comparison of Gabapentin and Memantine as Treatment for Acquired Nystagmus

NCT00928954
View directory record Official record
Conditions
Nystagmus
Interventions
gabapentin, memantine
Drug
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 29, 2016 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Drug Interaction Study With Gabapentin Enacarbil and Morphine

NCT01476124
View directory record Official record
Conditions
Restless Legs Syndrome
Interventions
morphine Placebo, GEn 600 mg, Morphine, GEn Placebo
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2013 · Synced Oct 17, 2026, 6:46 AM EDT
Not listed Phase 4 Interventional

Multimodal Narcotic Limited Perioperative Pain Control With Colorectal Surgery

NCT02958566
View directory record Official record
Conditions
Colon Cancer, Colon Diverticulosis, Colonic Neoplasms, Colonic Diverticulitis, Pain, Postoperative, Ileus, Ileus Paralytic, Ileus; Mechanical, Constipation Drug Induced, Constipation, Rectum Cancer, Rectum Neoplasm
Interventions
Acetaminophen, Gabapentin, Orphenadrine, Lidocaine, Marcaine, Ketamine, Methadone, Tramadol, Ketorolac, Morphine Sulfate, Fentanyl, Dilaudid, Hydrocodone-Acetaminophen Tab 5-325 MG, HYDROCODONE/ACETAMINOPHEN 5 Mg-325 Mg ORAL TABLET
Drug
Lead sponsor
University of Illinois College of Medicine at Peoria
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 20, 2017 · Synced Oct 17, 2026, 6:46 AM EDT
Active, not recruiting Not applicable Interventional

CYP2D6 Genotype-guided Management of Opioid Analgesics in Patients Undergoing Elective Ventral Hernia Repairs

NCT06565546
View directory record Official record
Conditions
Ventral Hernia
Interventions
Opioid pain medication prescribed based on CYP2D6 genotype testing PLUS Acetaminophen and Gabapentin, Acetaminophen and Gabapentin: standard postoperative pain medications
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 17, 2026, 6:46 AM EDT
Recruiting Phase 3 Interventional

Emergency Department-Initiated Medications for Alcohol Use Disorder

NCT05827159
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Naltrexone Pill, Naltrexone Injection, Brief Negotiation Interview, Gabapentin Pill
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 3 Interventional Results available

Study of Gabapentin Extended Release (G-ER)in the Treatment of Vasomotor (Hot Flashes/Hot Flushes) Symptoms in Postmenopausal Women.

NCT00777023
View directory record Official record
Conditions
Hot Flashes
Interventions
Gabapentin Extended-Release (G-ER) 1200 mg, Gabapentin Extended-Release (G-ER) 1800 mg, Placebo
Drug
Lead sponsor
Depomed
Industry
Eligibility
18 Years to 70 Years · Female only
Enrollment
565 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
45
States / cities
Birmingham, Alabama • Chandler, Arizona • Scottsdale, Arizona + 40 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2012 · Synced Oct 17, 2026, 6:46 AM EDT
Terminated Phase 4 Interventional Results available

Gabapentin on Postoperative Pain Associated With Ureteroscopy and Stents Insertion

NCT03151746
View directory record Official record
Conditions
Anesthesia, Urethral Obstruction
Interventions
Placebo, Gabapentin
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 21, 2022 · Synced Oct 17, 2026, 6:46 AM EDT
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Nonopioid Analgesia After Labral Surgery

NCT03825809
View directory record Official record
Conditions
Narcotic Use
Interventions
Celecoxib, Hydrocodone-Acetaminophen, Ketorolac, Gabapentin, Acetaminophen, Diazepam
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Gabapentin for Abstinence Initiation in Alcohol Dependence

NCT01141049
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Gabapentin, Placebo
Drug · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 17, 2026, 6:46 AM EDT
Withdrawn Phase 3 Interventional

Gabapentin and Chronic Post Surgical Pain

NCT03867240
View directory record Official record
Conditions
Pain, Postoperative, Scoliosis Idiopathic
Interventions
Gabapentin, Placebo
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
10 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 8, 2021 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 3 Interventional

Gabapentin to Treat Itch in Patients With Liver Disease

NCT00058890
View directory record Official record
Conditions
Liver Disease, Cholestasis, Cirrhosis, Pruritus, Itching
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 17, 2026, 6:46 AM EDT
Recruiting Phase 1Phase 2 Interventional

Gabapentin & Ketamine for Prevention/Treatment of Acute/Chronic Pain in Locally Advanced Head and Neck Cancer

NCT05156060
View directory record Official record
Conditions
Head and Neck Cancer, Locally Advanced Head and Neck Carcinoma
Interventions
Gabapentin, Ketamine
Drug
Lead sponsor
Natalie Lockney
Other
Eligibility
21 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Gabapentin on Cardiac Repolarization in Healthy Volunteers

NCT01516372
View directory record Official record
Conditions
Restless Legs Syndrome
Interventions
GEn 1200mg, Gen 6000 mg, GEn Placebo, Moxifloxacin Placebo, Moxifloxacin
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2021 · Synced Oct 17, 2026, 6:46 AM EDT
Completed Phase 1 Interventional Results available

Prescription Medication Interactions

NCT04315181
View directory record Official record
Conditions
Opioid Use, Sedative Use
Interventions
Opioid Agonist, Sedatives
Drug
Lead sponsor
Sharon Walsh
Other
Eligibility
18 Years to 55 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 17, 2026, 6:46 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 29, 2015 · Synced Oct 17, 2026, 6:46 AM EDT