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Showing 1–24 of 219 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo with Butyrate Clear all
Completed Phase 4 Interventional Results available

A Randomized Double-Blind Study Testing the Effects of Pregabalin on Diabetic Neuropathy

NCT00573261
View directory record Official record
Conditions
Diabetic Neuropathy
Interventions
Pregabalin, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 20, 2014 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Xyrem® in Subjects With Fibromyalgia

NCT00371137
View directory record Official record
Conditions
Fibromyalgia
Interventions
Xyrem®, Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
548 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
70
States / cities
Anniston, Alabama • Huntsville, Alabama • Phoenix, Arizona + 60 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2011 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Phase 3 Interventional Results available

Safety And Efficacy Study Of Once Daily Controlled Release Pregabalin In The Treatment Of Patients With Postherpetic Neuralgia

NCT01270828
View directory record Official record
Conditions
Post Herpetic Neuralgia
Interventions
Pregabalin, placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
806 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
82
States / cities
Gulf Shores, Alabama • Chandler, Arizona • Phoenix, Arizona + 62 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Phase 4 Interventional Results available

Treatment of REM Sleep Behavior Disorder (RBD) With Sodium Oxybate

NCT04006925
View directory record Official record
Conditions
REM Sleep Behavior Disorder, Parkinson Disease
Interventions
Sodium Oxybate, Placebo
Drug · Other
Lead sponsor
Stanford University
Other
Eligibility
40 Years to 85 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Determine the Effect of Synbiotics in Patients With Pre-diabetes

NCT04428606
View directory record Official record
Conditions
PreDiabetes
Interventions
Metabolic Rheostat, Butyrate Ultra, Placebo
Dietary Supplement
Lead sponsor
Zhaoping Li
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2022 · Synced Sep 3, 2026, 8:00 PM EDT
Terminated Phase 4 Interventional Results available

Dysfunctional Voiding and Lower Urinary Tract Symptoms With Baclofen

NCT01003249
View directory record Official record
Conditions
Overactive Bladder, Constipation, Lower Urinary Tract Symptoms
Interventions
Baclofen, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 64 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 13, 2018 · Synced Sep 3, 2026, 8:00 PM EDT
Recruiting Phase 2 Interventional

Evaluation of Efficacy and Safety of VX-993 for Pain Associated With Diabetic Peripheral Neuropathy

NCT06619860
View directory record Official record
Conditions
Diabetic Peripheral Neuropathic Pain
Interventions
VX-993, Pregabalin, Placebo (matched to pregabalin), Placebo (matched to VX-993)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
25
States / cities
Cullman, Alabama • Bakersfield, California • La Mesa, California + 22 more
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Not applicable Interventional Results available

Pregabalin for the Treatment of Pain After Posterior Spinal Fusions

NCT01366196
View directory record Official record
Conditions
Lumbar Spinal Fusions
Interventions
Pregabalin 150 mg, Placebo
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
21 Years to 80 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2022 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Preoperative Gabapentin for Acute and Chronic Post-thoracotomy Analgesia

NCT00588159
View directory record Official record
Conditions
Pain
Interventions
Gabapentin, Diphenhydramine
Drug
Lead sponsor
Michelle Kinney
Other
Eligibility
45 Years to 75 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 3, 2016 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety of Pregabalin in Treatment of Neuropathic Pain in Patients With Idiopathic Small Fiber Neuropathy

NCT02607254
View directory record Official record
Conditions
Idiopathic Small Fiber Neuropathy
Interventions
Pregabalin, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Sep 3, 2026, 8:00 PM 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 12, 2023 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Phase 3 Interventional Results available

Effect Of Pregabalin Treatment In Patients With Diabetic Nerve Pain Who Currently Use A Non-Steroid Anti-Inflammatory Drug (NSAID) For Another Pain

NCT01455415
View directory record Official record
Conditions
Painful Diabetic Peripheral Neuropathy
Interventions
pregabalin, placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
55
States / cities
Goodyear, Arizona • Phoenix, Arizona • Tucson, Arizona + 38 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Efficacy and Safety of K-877 in Adult Patients With Fasting High Triglyceride Levels and Normal Renal Function

NCT03001817
View directory record Official record
Conditions
Severe Hypertriglyceridemia
Interventions
K-877, Fenofibrate, Placebo (for K-877), Placebo (for Fenofibrate)
Drug
Lead sponsor
Kowa Research Institute, Inc.
Industry
Eligibility
18 Years and older
Enrollment
551 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
110
States / cities
Birmingham, Alabama • Hamilton, Alabama • Huntsville, Alabama + 94 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2022 · Synced Sep 3, 2026, 8:00 PM EDT
Active, not recruiting Phase 3 Interventional

A Study of BR Alone Versus in Combination With Acalabrutinib in Subjects With Previously Untreated MCL

NCT02972840
View directory record Official record
Conditions
Lymphoma, Mantle Cell
Interventions
Acalabrutinib, Bendamustine, Rituximab, Placebo
Drug
Lead sponsor
Acerta Pharma BV
Industry
Eligibility
65 Years and older
Enrollment
635 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
32
States / cities
Tucson, Arizona • Downey, California • Santa Monica, California + 27 more
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of Pregabalin in the Treatment of Pain on Walking in Patients With Diabetic Peripheral Neuropathy (DPN)

NCT01474772
View directory record Official record
Conditions
Diabetic Peripheral Neuropathy
Interventions
Pregabalin, placebo
Drug · Other
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
34
States / cities
Goodyear, Arizona • Phoenix, Arizona • Fresno, California + 24 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Sep 3, 2026, 8:00 PM 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 3, 2026, 8:00 PM EDT
Completed Phase 3 Interventional Results available

A Phase 3b Multicenter Study of Pregabalin in Fibromyalgia Subjects Who Have Comorbid Depression

NCT01432236
View directory record Official record
Conditions
Fibromyalgia
Interventions
Pregabalin, placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
26
States / cities
Tucson, Arizona • Orange, California • Santa Ana, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2021 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Baclofen for Children With Rumination Syndrome

NCT05975684
View directory record Official record
Conditions
Rumination Syndrome
Interventions
Baclofen, Placebo
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
4 Years to 18 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 3, 2026, 8:00 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Abuse Potential of Oral Gabapentin in Healthy, Non-Drug-Dependent Individuals With Recreational Sedative Drug Use Experience

NCT07777965
View directory record Official record
Conditions
Healthy Non-dependent, Recreational Sedative Users
Interventions
Alprazolam (Xanax), Placebo, Gabapentin (Neurontin® (Registered Trademark))
Drug
Lead sponsor
Viatris Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Not applicable Interventional Results available

Effect of Acupuncture and Pain Medication on Radicular Pain Using QST

NCT01678586
View directory record Official record
Conditions
Pain
Interventions
Acupuncture, Sham Acupuncture, Gabapentin, Sham Gabapentin
Other · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 22, 2024 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Xyrem® (Sodium Oxybate) to Treat Fibromyalgia.

NCT00423813
View directory record Official record
Conditions
Fibromyalgia
Interventions
placebo, Xyrem®
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
573 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
71
States / cities
Auburn, Alabama • Birmingham, Alabama • Montgomery, Alabama + 61 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2012 · Synced Sep 3, 2026, 8:00 PM EDT
Completed Phase 3 Interventional Results available

Long Term Study Of Pregabalin In Idiopathic Restless Legs Syndrome Patients

NCT00806026
View directory record Official record
Conditions
Idiopathic Restless Legs Syndrome
Interventions
placebo and pregabalin, pramipexol, Pregabalin
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years and older
Enrollment
731 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
42
States / cities
Birmingham, Alabama • Jasper, Alabama • Tuscaloosa, Alabama + 35 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Sep 3, 2026, 8:00 PM EDT
Terminated Phase 2 Interventional

Study to Assess Analgesic Efficacy and Safety of ASP3662 in Subjects With Painful Diabetic Peripheral Neuropathy

NCT02372578
View directory record Official record
Conditions
Painful Diabetic Peripheral Neuropathy (PDPN)
Interventions
ASP3662, pregabalin, ASP3662 placebo, pregabalin placebo
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
37
States / cities
Anniston, Alabama • Phoenix, Arizona • Fresno, California + 33 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2019 · Synced Sep 3, 2026, 8:00 PM 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 12, 2017 · Synced Sep 3, 2026, 8:00 PM EDT