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ClinicalTrials.gov public records Last synced Oct 2, 2026, 11:43 AM EDT

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Showing 25–48 of 290 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: gabapentin (Neurontin) Clear all
Terminated Not applicable Interventional Results available

Treatment of Complex Regional Pain Syndrome With Once Daily Gastric-Retentive Gabapentin (Gralise)

NCT01623271
View directory record Official record
Conditions
Complex Regional Pain Syndrome I (CRPS I)
Interventions
Gabapentin
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Nonopioid Analgesia After Rotator Cuff Repair

NCT03818919
View directory record Official record
Conditions
Rotator Cuff Tear
Interventions
Celecoxib, Ketorolac, Gabapentin, Acetaminophen, Diazepam, Hydrocodone-Acetaminophen
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Study to Assess the Pharmacodynamic Interaction Between Gabapentin and Ethanol in Healthy Subjects

NCT00666796
View directory record Official record
Conditions
Insomnia
Interventions
Placebo ethanol, Ethanol, Placebo, Gabapentin
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
21 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 1 Interventional

Gabapentin, Methadone Hydrochloride, and Oxycodone Hydrochloride in Improving Quality of Life in Patients With Stage II-IV Head and Neck Cancer During Chemoradiation

NCT02531906
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma, Pain, Stomatitis
Interventions
Gabapentin, Methadone Hydrochloride, Oxycodone Hydrochloride, Quality-of-Life Assessment, Questionnaire Administration
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Evaluating the Abuse Potential of NEURONTIN® When Taken Orally in Healthy Non-drug Dependent Participants With Sedative Drug Abuse Experience

NCT04570436
View directory record Official record
Conditions
Abuse Potential
Interventions
gabapentin 600 mg, gabapentin 1200 mg, gabapentin 1800 mg, diazepam 20 mg, placebo
Drug · Other
Lead sponsor
Viatris Specialty LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 3 Interventional

Safety and Efficacy of Gabapentin in Postherpetic Neuralgia

NCT00335933
View directory record Official record
Conditions
Neuralgia, Postherpetic
Interventions
Gabapentin extended-release tablets
Drug
Lead sponsor
Depomed
Industry
Eligibility
18 Years and older
Enrollment
378 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 2, 2007 · Synced Oct 2, 2026, 11:43 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 2, 2026, 11:43 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 2, 2026, 11:43 AM EDT
Completed Not applicable Interventional

Dextromethorphan, Gabapentin, and Oxycodone to Treat Opioid-Induced Hyperalgesia

NCT00218374
View directory record Official record
Conditions
Hyperalgesia, Opioid-Related Disorders
Interventions
Gabapentin
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 2, 2026, 11:43 AM EDT
Recruiting Phase 2Phase 3 Interventional

Gabapentin to Reduce Opioid Use Postoperatively (GROUP) in Children

NCT04724252
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Gabapentin, Placebo
Drug · Other
Lead sponsor
University of California, Davis
Other
Eligibility
Up to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Oct 2, 2026, 11:43 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Gabapentin in Patients at Clinical Risk for Psychosis

NCT02557945
View directory record Official record
Conditions
Clinical High Risk for Psychosis
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 30 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 3, 2022 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimization of Pre-operative Oral Analgesics in Patients Undergoing Ambulatory Minimally Invasive Hysterectomy

NCT03420794
View directory record Official record
Conditions
Hysterectomy, Laparoscopy, Analgesia
Interventions
Timing of pre-operative oral non-narcotic analgesics in relation to minimally invasive hysterectomy
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Weston, Florida
Source: ClinicalTrials.gov public record
Updated Mar 8, 2023 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Early Phase 1 Interventional

Study of Neuroimaging Biomarkers of Social Cognition Deficits in Adolescents (Age 13-17) With Autism Spectrum Disorder and Effects of Gabapentin

NCT03589898
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Gabapentin
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
13 Years to 17 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Oct 2, 2026, 11:43 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 12, 2025 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 3 Interventional

A Trial to Assess Consumer Self-Selection and Use of Gabapentin for Occasional Sleeplessness in an Over-the-Counter Environment

NCT00659100
View directory record Official record
Conditions
Transient Insomnia
Interventions
Gabapentin
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
35
States / cities
Anaheim, California • Bonita, California • Fallbrook, California + 29 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 2 Interventional Results available

A Clinical Study in Subjects With Neuropathic Pain From PHN Who Have Had an Inadequate Response to Gabapentin Treatment

NCT00617461
View directory record Official record
Conditions
Neuralgia, Postherpetic
Interventions
GEn 1200mg/day, GEn 3600mg/day
Drug
Lead sponsor
XenoPort, Inc.
Industry
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
42
States / cities
Phoenix, Arizona • Oxnard, California • Roseville, California + 36 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2013 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Gabapentin as an Adjunct to Paracervical Block for Perioperative Pain Management

NCT02944656
View directory record Official record
Conditions
Pain
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 8, 2019 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 3 Interventional Results available

Pilot Study Comparing Hypnotherapy and Gabapentin for Hot Flashes.

NCT00711529
View directory record Official record
Conditions
Breast Cancer, Hot Flashes
Interventions
Hypnotherapy, gabapentin
Behavioral · Drug
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 24, 2013 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 2 Interventional Results available

Efficacy of Gabapentin for Post-Covid-19 Olfactory Dysfunction

NCT05184192
View directory record Official record
Conditions
COVID-19, Olfactory Disorder, Anosmia, Hyposmia, Parosmia
Interventions
Gabapentin gelatin capsules 300mg, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 4, 2025 · Synced Oct 2, 2026, 11:43 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 2, 2026, 11:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nudging Providers to Curtail Dangerous Opioid Prescribing: A Trial to Investigate Mechanisms

NCT04628832
View directory record Official record
Conditions
Opioid Use
Interventions
PMP Use Mandate Letter, Prescribing Information Letter, Prescribing Information + PMP Use Mandate Letter
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
Not listed
Enrollment
12,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
2
States / cities
Minneapolis, Minnesota • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 19, 2022 · Synced Oct 2, 2026, 11:43 AM EDT
Recruiting No phase listed Observational

Pharmacokinetics and Safety of Commonly Used Drugs in Lactating Women and Breastfed Infants

NCT03511118
View directory record Official record
Conditions
Lactating Women on Select DOI, Breastfed Infants of Mothers on Select DOI
Interventions
Tranexamic acid (TXA), labetalol, metformin, nifedipine, clindamycin, oxycodone, azithromycin, escitalopram, sertraline, ondansetron, Ciprofloxacin, Doxycycline, Levofloxacin, Methylphenidate, Sumatriptan, Citalopram, Cyclobenzaprine, Furosemide, Gabapentin, Hydrochlorothiazide, Hydroxyurea, Rosuvastatin, Topiramate, Trazodone, Valganciclovir, Venlafaxine, Verapamil, Remdesivir, Anakinra, Tocilizumab, Fluvoxamine, Amoxicillin, Bupropion, Duloxetine, Hydrocodone, Levetiracetam, Paroxetine, Buprenorphine
Drug
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
20
States / cities
La Jolla, California • Loma Linda, California • Chicago, Illinois + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 4 Interventional Results available

Effect of Perioperative Gabapentin on Postoperative Opioid Requirements

NCT05494385
View directory record Official record
Conditions
Postoperative Pain
Interventions
Preoperative Gabapentin/Postoperative Placebo, Preoperative Gabapentin/Postoperative Gabapentin
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Oct 2, 2026, 11:43 AM EDT
Completed Phase 2 Interventional Results available

Imaging GABAergic/Glutamatergic Drugs in Bipolar Alcoholics Alcoholics

NCT03220776
View directory record Official record
Conditions
Alcohol Use Disorder, Bipolar Disorder
Interventions
N-Acetylcysteine, Gabapentin, Placebo Oral Tablet
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Oct 2, 2026, 11:43 AM EDT