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ClinicalTrials.gov public records Last synced Oct 4, 2026, 10:26 PM EDT

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Showing 73–96 of 2,669 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo oral capsules Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Placebo-Controlled Single Dose Study to Evaluate Safety and Pharmacokinetics of SXC-2023 in Healthy Volunteers

NCT03301298
View directory record Official record
Conditions
Healthy
Interventions
SXC-2023, Placebo oral capsule
Drug
Lead sponsor
Promentis Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 26, 2019 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 2 Interventional Results available

Gabapentin for Bipolar & Cannabis Use Disorders

NCT03334721
View directory record Official record
Conditions
Bipolar I Disorder, Bipolar II Disorder, Cannabis Use Disorder, Substance Use Disorders
Interventions
Gabapentin, Placebo Oral Capsule
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 13, 2020 · Synced Oct 4, 2026, 10:26 PM EDT
Recruiting Phase 2 Interventional

Spironolactone to Improve Pregnancy-Associated Hypertension Trajectories

NCT07041281
View directory record Official record
Conditions
Preeclampsia, Gestational Hypertension
Interventions
spironolactone 25 mg orally once daily, Placebo tablet to match spironolactone
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
3
States / cities
Boston, Massachusetts • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 1 Interventional

Collagen-targeted Positron Emission Tomography (PET) Imaging for Assessment of EGCG Effect

NCT06265532
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
EGCG 300 mg, Placebo for EGCG 300 mg, EGCG 600 mg, Placebo for EGCG 600 mg
Drug
Lead sponsor
Hal Chapman
Other
Eligibility
40 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
3
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A118G SNP and OPRM1 Gene Opioid-Mediated Effects in Humans

NCT02360371
View directory record Official record
Conditions
Opioid Sensitivity, Individual Difference, Abuse Opioids
Interventions
Within-subject test of blinded study medication
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 2 Interventional Results available

Apathy in Dementia Methylphenidate Trial (ADMET)

NCT01117181
View directory record Official record
Conditions
Apathy, Alzheimer's Disease
Interventions
Methylphenidate, placebo, Psychosocial intervention
Drug · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Baltimore, Maryland • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Oct 4, 2026, 10:26 PM EDT
Recruiting Not applicable Interventional

Barotrauma in Hyperbaric Oxygen Therapy

NCT05697328
View directory record Official record
Conditions
Barotrauma
Interventions
Pseudoephedrine Pill, Placebo
Drug
Lead sponsor
John Muir Health
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Walnut Creek, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 2 Interventional Results available

A Clinical Study of Mesdopetam in Patients With Parkinson's Disease Experiencing Levodopa Induced Dyskinesia

NCT04435431
View directory record Official record
Conditions
Parkinson Disease
Interventions
Mesdopetam, Placebo
Drug
Lead sponsor
Integrative Research Laboratories AB
Industry
Eligibility
30 Years to 79 Years
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
14
States / cities
Scottsdale, Arizona • Long Beach, California • Palo Alto, California + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Ascending and Multiple Dose Study to Evaluate Safety, Tolerability, and PK of MYMD1 in Healthy Male and Female Adult Subjects

NCT05077865
View directory record Official record
Conditions
Hashimoto Disease
Interventions
MYMD-1, Placebo
Drug
Lead sponsor
TNF Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Clearwater, Florida
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Oct 4, 2026, 10:26 PM EDT
Terminated Phase 1Phase 2 Interventional

Nicotinamide Riboside for Diabetic Neuropathy

NCT03685253
View directory record Official record
Conditions
Diabetic Neuropathy Peripheral
Interventions
Niagen, Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
30 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Targeting Inflammation to Treat Cardiovascular Aging

NCT01775865
View directory record Official record
Conditions
Vascular Stiffness, Endothelial Dysfunction, Diastolic Dysfunction
Interventions
Salsalate, Placebo (for salsalate)
Drug
Lead sponsor
Gary L. Pierce
Other
Eligibility
18 Years to 79 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 31, 2018 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Weight Loss With Risedronate for Bone Health

NCT03411902
View directory record Official record
Conditions
Bariatric Surgery Candidate, Bone Loss, Weight Loss
Interventions
Risedronate Sodium 150 MG, Placebo
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years to 79 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 3 Interventional

A Phase 3 Study of NE3107 in Probable Alzheimer's Disease

NCT04669028
View directory record Official record
Conditions
Alzheimer Disease
Interventions
NE3107, Placebo
Drug
Lead sponsor
BioVie Inc.
Industry
Eligibility
60 Years to 85 Years
Enrollment
439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of BIBF 1120 at High Dose in Idiopathic Pulmonary Fibrosis Patients II

NCT01335477
View directory record Official record
Conditions
Pulmonary Fibrosis
Interventions
placebo, BIBF 1120
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
551 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
27
States / cities
Scottsdale, Arizona • San Francisco, California • Santa Barbara, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2016 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate GBT021601 in Single and Multiple Doses in Healthy Participants

NCT05036512
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
GBT021601
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 4, 2026, 10:26 PM EDT
Recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Once Daily Treprostinil Palmitil Inhalation Powder (TPIP) in Participants With Pulmonary Arterial Hypertension (PAH)

NCT07481981
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil Palmitil Inhalation Powder, Placebo
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
8
States / cities
Los Angeles, California • Santa Barbara, California • Torrance, California + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 2 Interventional Results available

Phase 2 Trial of a Nicotinic Agonist in Schizophrenia

NCT00100165
View directory record Official record
Conditions
Schizophrenia
Interventions
Placebo, 3-(2,4 dimethoxybenzylidene anabaseine) 150 mg, 3-(2,4 dimethoxybenzylidene anabaseine) 75 mg
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 2 Interventional

N-Acetylcysteine and Smoking Reduction

NCT00751257
View directory record Official record
Conditions
Nicotine Dependence
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 3 Interventional Results available

A Study Evaluating the Efficacy and Safety of BOTOX® or Solifenacin in Patients With Overactive Bladder and Urinary Incontinence

NCT01767519
View directory record Official record
Conditions
Overactive Bladder, Urinary Incontinence
Interventions
BOTOX®, solifenacin, Botox placebo (normal saline), solifenacin placebo
Biological · Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years and older
Enrollment
356 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Newport Beach, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 2 Interventional

A Study Evaluating Efficacy and Safety of VX-993 for Acute Pain After a Bunionectomy

NCT06619847
View directory record Official record
Conditions
Acute Pain
Interventions
VX-993, HB/APAP, Placebo (matched to VX-993), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
14
States / cities
Sheffield, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 11 more
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Dose, Pharmacokinetic, Safety, Tolerability and QTc Study of GSK1278863 in Healthy Volunteers

NCT02293148
View directory record Official record
Conditions
Anaemia
Interventions
GSK1278863 75 mg, GSK1278863 500 mg, Moxifloxacin 400 mg, Placebo matching GSK1278863, Placebo matching Moxifloxacin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 24, 2018 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 1 Interventional

A Study to Evaluate the Effect of JNJ-28431754 (Canagliflozin) on Post-Meal Glucose in Patients With Type 2 Diabetes Mellitus

NCT01381887
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Placebo, Canagliflozin 300mg/Placebo, Canagliflozin 300mg/Canagliflozin 150mg, Canagliflozin 300mg
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
25 Years to 70 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
5
States / cities
Chula Vista, California • Miramar, Florida • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2013 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of BI 1356 in Combination With Metformin in Patients With Type 2 Diabetes

NCT00622284
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Placebo identical to BI 1356 5mg, Placebo identical to Glimepiride 1mg or 2mg or 3mg or 4 mg, BI 1356, Glimepiride
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
23
States / cities
Tempe, Arizona • Chula Vista, California • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2014 · Synced Oct 4, 2026, 10:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

MW151-101: First-in-human Study of MW151

NCT04120233
View directory record Official record
Conditions
Drug Toxicity
Interventions
Placebo, MW151, 10mg, MW151, 20mg, MW151, 40mg, MW151, 80mg, MW151, 160mg
Drug
Lead sponsor
Linda Van Eldik
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 30, 2022 · Synced Oct 4, 2026, 10:26 PM EDT