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Showing 1–24 of 306 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo - Microcrystalline Cellulose Clear all
Completed Early Phase 1 Interventional

Vaginal lIve Biotherapeutic RANdomized Trial

NCT06135974
View directory record Official record
Conditions
Bacterial Vaginosis
Interventions
LC106, LC115, Placebo, Metronidazole Oral
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Glycemic Control, Safety and Tolerability of TC-6987 Monotherapy in Type 2 Diabetes Mellitus

NCT01293669
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
TC-6987, Placebo
Drug
Lead sponsor
Targacept Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
18
States / cities
Jonesboro, Arkansas • Mountain Home, Arkansas • Buena Park, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2013 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Phase 2 Interventional Results available

Study of Oral SKI-O-703, SYK Inhibitor, in Patients With Persistent and Chronic Immune Thrombocytopenia (ITP)

NCT04056195
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
SKI-O-703, Placebo oral tablet
Drug
Lead sponsor
Oscotec Inc.
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
4
States / cities
Los Angeles, California • Durham, North Carolina • Greenville, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety and Tolerability of ISX (Isoxsuprine HCL) in MS Relapses

NCT03752307
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Isoxsuprine Hydrochloride, Placebo, Corticosteroid
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 50 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Sep 13, 2026, 10:52 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

ACEs, SIRT1, and Premature Vascular Aging in Humans

NCT07073352
View directory record Official record
Conditions
Adverse Childhood Experiences, Endothelial Dysfunction
Interventions
Nicotinamide Riboside, Placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 30 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Iowa City, Iowa • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 13, 2026, 10:52 PM EDT
Recruiting Phase 1Phase 2 Interventional

Targeting Endoplasmic Reticulum Stress in Human Hypertension

NCT06025630
View directory record Official record
Conditions
Hypertension
Interventions
TUDCA, Placebo
Drug
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Sep 13, 2026, 10:52 PM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Senolytic Agent Improve the Benefit of Platelet-Rich Plasma and Losartan

NCT05025956
View directory record Official record
Conditions
Femoroacetabular Impingement
Interventions
Fisetin, Placebo
Drug
Lead sponsor
Steadman Philippon Research Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Vail, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Sep 13, 2026, 10:52 PM EDT
Recruiting Phase 1Phase 2 Interventional

NORTHERA (DROXIDOPA) for Dysautonomia in Pediatric Survivors of Menkes Disease

NCT07398508
View directory record Official record
Conditions
Menkes Disease
Interventions
Droxidopa Oral Product, Placebo Control
Drug · Other
Lead sponsor
Stephen G. Kaler
Other
Eligibility
7 Years to 17 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 13, 2026, 10:52 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Phytochemicals on "Metabolic Aging" in Older Overweight Adults

NCT04919876
View directory record Official record
Conditions
Mitochondrial Functions
Interventions
fruit/vegetable supplement (FVS), Placebo
Dietary Supplement
Lead sponsor
Biofortis, Merieux NutriSciences
Industry
Eligibility
55 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Phase 2 Interventional Results available

Broad-spectrum Rapid Antidote: Varespladib Oral for Snakebite

NCT04996264
View directory record Official record
Conditions
Snakebites, Envenoming, Envenoming, Snake, Envenomation, Snake
Interventions
Varespladib Methyl, Placebo, Standard of care (SOC)
Drug
Lead sponsor
Ophirex, Inc.
Industry
Eligibility
5 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
8
States / cities
Tucson, Arizona • Loma Linda, California • Jacksonville, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2025 · Synced Sep 13, 2026, 10:52 PM EDT
Active, not recruiting Not applicable Interventional

Mindfulness And Placebo for Pain (MAPP) Study

NCT06720909
View directory record Official record
Conditions
Chronic Pain
Interventions
Mindfulness-Based Stress Reduction (MBSR), Open-Label Placebo (OLP), MBSR+OLP
Behavioral · Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 13, 2026, 10:52 PM EDT
Not yet recruiting Phase 3 Interventional

Fezolinetant and Vascular Health and Brain Health

NCT07606664
View directory record Official record
Conditions
Menopause Hot Flashes
Interventions
Placebo, Fezolinetant
Drug
Lead sponsor
Rebecca Thurston
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
Chicago, Illinois • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Turmeric and Curcumin on Sebum Production

NCT03066791
View directory record Official record
Conditions
Inflammation; Skin
Interventions
Turmeric tablets, Curcumin and Bioperine tablets, Placebo tablets
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 13, 2026, 10:52 PM EDT
Recruiting Phase 2 Interventional

Vitamin A Supplementation in Allogeneic Stem Cell Transplantation.

NCT06450925
View directory record Official record
Conditions
Graft Vs Host Disease, Vitamin A Deficiency, Vitamin D Deficiency
Interventions
Vitamin A, Placebo
Drug · Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
3
States / cities
Tampa, Florida • Buffalo, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Phase 4 Interventional Results available

Value of Liquid Potassium Magnesium Citrate in Controlling Hypertension

NCT02653560
View directory record Official record
Conditions
Hypertension
Interventions
Potassium chloride powder, Potassium magnesium Citrate (KMgCit), Potassium citrate powder, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Curcumin and Function in Older Adults

NCT03085680
View directory record Official record
Conditions
Older Adults, Physical Function, Cognitive Function
Interventions
Curcumin, microcrystalline cellulose
Drug
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 99 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Sep 13, 2026, 10:52 PM EDT
Not listed Phase 2 Interventional

Lamotrigine and Bupropion for Meniere's Disease

NCT05420350
View directory record Official record
Conditions
Meniere Disease, Ménière's Vertigo, Vertigo, Intermittent, Vertigo, Aural
Interventions
Lamotrigine and Bupropion, Placebo
Drug
Lead sponsor
Dent Neuroscience Research Center
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Amherst, New York
Source: ClinicalTrials.gov public record
Updated Jun 20, 2022 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study on Intestinal Gas Symptoms to Evaluate the Effects of Gas Defense in Otherwise Healthy Adult

NCT00881322
View directory record Official record
Conditions
Abdominal Pain, Abdominal Cramps, Flatulence
Interventions
BC-130 (Gas Defense), Placebo
Dietary Supplement
Lead sponsor
Miami Research Associates
Network
Eligibility
18 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 29, 2009 · Synced Sep 13, 2026, 10:52 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of SlimBiotics L. Fermentum K8 Postbiotic on Weight Management and Metabolic Health Outcomes

NCT05912699
View directory record Official record
Conditions
Metabolic Health, Weight Loss, Stress, Well-Being, Psychological, Sleep, Healthy Eating
Interventions
Slimbiotics Postbiotic, Placebo
Other
Lead sponsor
Slimbiotics
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Phase 4 Interventional

Treatment of Disturbed Sleep in Progressive Supranuclear Palsy (PSP)

NCT04014387
View directory record Official record
Conditions
Progressive Supranuclear Palsy(PSP), Insomnia
Interventions
Suvorexant, Zolpidem, Placebo oral capsule
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Spironolactone Therapy In Young Women With NASH

NCT03576755
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
Spironolactone 100mg, Placebo oral capsule
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Musculoskeletal Effects of Bicarbonate

NCT01475214
View directory record Official record
Conditions
Muscle Loss, Fractures, Osteoporosis, Age Related, Fall Injury
Interventions
potassium bicarbonate, Inactive placebo capsule
Dietary Supplement · Other
Lead sponsor
Tufts University
Other
Eligibility
60 Years and older
Enrollment
244 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 18, 2015 · Synced Sep 13, 2026, 10:52 PM EDT
Terminated Phase 4 Interventional Results available

Safety and Efficacy of Sodium Polystyrene Sulfonate in Hyperkalemia

NCT01866709
View directory record Official record
Conditions
Hyperkalemia
Interventions
Sodium polystyrene sulfonate, Silicified microcrystalline cellulose
Drug
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Edgewater, Florida
Source: ClinicalTrials.gov public record
Updated Sep 2, 2014 · Synced Sep 13, 2026, 10:52 PM EDT
Completed Phase 3 Interventional

Phase 3, Randomized, Placebo-Controlled Study of Tinlarebant to Explore Safety and Efficacy in Adolescent Stargardt Disease

NCT05244304
View directory record Official record
Conditions
Stargardt Disease 1
Interventions
Tinlarebant, Placebo
Drug
Lead sponsor
Belite Bio, Inc
Industry
Eligibility
12 Years to 20 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Palo Alto, California • Minneapolis, Minnesota • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 13, 2026, 10:52 PM EDT