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ClinicalTrials.gov public records Last synced Oct 10, 2026, 5:52 PM EDT

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Showing 97–120 of 479 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: cellulose placebo Clear all
Recruiting Phase 4 Interventional Accepts healthy volunteers

Role of Menopause in Thermoregulation

NCT06798571
View directory record Official record
Conditions
Menopause, Aging
Interventions
Elagolix Oral Tablet, Estradiol patch, cellulose placebo, placebo patch
Drug · Other
Lead sponsor
Penn State University
Other
Eligibility
42 Years to 64 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of PeptiSleep on Sleep Quality in Healthy Adults

NCT07258433
View directory record Official record
Conditions
Sleep, Wearable Technology, Cortisol, Healthy Participants, Cognitive Abilities
Interventions
PeptiSleep, Micro-crystalline cellulose
Dietary Supplement
Lead sponsor
Nuritas Ltd
Industry
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Reducose® on Glycemic Response and Menopausal Symptoms in Perimenopausal Women (CALM-R)

NCT07333885
View directory record Official record
Conditions
Glycemic Response, Menopause Symptoms
Interventions
Reducose® (Mulberry leaf extract), Placebo
Dietary Supplement
Lead sponsor
Phynova Group Ltd
Industry
Eligibility
40 Years to 60 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Results available

The ENRGISE (ENabling Reduction of Low-Grade Inflammation in SEniors) Pilot Study

NCT02676466
View directory record Official record
Conditions
Inflammation
Interventions
Omega-3 fish oil, Losartan, Corn Oil (Fish oil Placebo), Cellulose Based (Losartan Placebo)
Dietary Supplement · Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
70 Years and older
Enrollment
289 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
5
States / cities
Gainesville, Florida • Chicago, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Oct 10, 2026, 5:52 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

NSAID RCT for Prevention of Altitude Sickness

NCT01606527
View directory record Official record
Conditions
Spectrum of Altitude-associated Neurologic Forms of Altitude
Interventions
Ibuprofen 600mg orally three times daily
Drug
Lead sponsor
Naval Health Research Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Bridgeport, California
Source: ClinicalTrials.gov public record
Updated May 25, 2012 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Phase 1 Interventional Results available

Melatonin Use After Primary Total Joint Arthroplasty

NCT04795336
View directory record Official record
Conditions
Osteo Arthritis Knee
Interventions
Melatonin 5 mg, Placebo
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 95 Years
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 10, 2026, 5:52 PM EDT
Not yet recruiting Phase 4 Interventional

Personalized Analgesia Through Central Nervous System Engagement to Unlock Performance

NCT07759336
View directory record Official record
Conditions
Knee Osteoarthritis (Knee OA), Chronic Pain, Chronic Knee Pain
Interventions
Duloxetine, Placebo
Drug
Lead sponsor
Benedict Alter
Other
Eligibility
45 Years to 80 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Open-label Placebos on COVID-related Psychological Health

NCT05035550
View directory record Official record
Conditions
Stress, Anxiety, Depression
Interventions
Non-Deceptive Placebo
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
18 Years to 30 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 13, 2024 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Results available

Safety & Efficacy of Zirconium Silicate in Chronic Kidney Disease or Moderate Kidney Dysfunction With Mild Hyperkalemia

NCT01493024
View directory record Official record
Conditions
Hyperkalemia, Chronic Kidney Disease, Kidney Dysfunction
Interventions
Zirconium silicate (ZS), Placebo
Drug
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
9
States / cities
Tempe, Arizona • Costa Mesa, California • Edgewater, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2018 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Results available

Preliminary Study of Safety and Efficacy of Policosanol

NCT00312923
View directory record Official record
Conditions
Dyslipidemia, HIV Infections
Interventions
Policosanol, Placebo
Drug · Dietary Supplement
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2013 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study of Triphala and Rubia Cordifolia on Gut Microbiome and Skin

NCT03477825
View directory record Official record
Conditions
Sebum Production, Stool Microbiome, Transepidermal Water Loss, Facial Brrightness, Erythema, Wrinkles, Facial Shine
Interventions
Placebo Oral Tablet, Rubia Cordifolia, Triphala
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 60 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Oct 10, 2026, 5:52 PM EDT
Active, not recruiting Phase 2 Interventional

Nicotinamide Riboside Supplementation for Treating Arterial Stiffness and Elevated Systolic Blood Pressure in Patients With Moderate to Severe CKD

NCT04040959
View directory record Official record
Conditions
Vascular Diseases, Kidney Disease, Blood Pressure, Oxidative Stress
Interventions
Nicotinamide riboside
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
35 Years to 80 Years
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 10, 2026, 5:52 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Averting Complications of Proton Pump Inhibitor Therapy by Effervescent Calcium Magnesium Citrate

NCT03812380
View directory record Official record
Conditions
Osteoporosis, Hypomagnesemia
Interventions
EffCaMgCit, Placebo
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 99 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Phase 2 Interventional

Vitamin D3 Supplementation for Heart Failure Patients

NCT01636570
View directory record Official record
Conditions
Heart Failure, Vitamin D Deficiency, Cardiomyopathy, Congestive Heart Failure
Interventions
Placebo Comparator: Sugar Pill, Vitamin D3 (cholecalciferol)
Drug
Lead sponsor
Heidi Moretti, MS, RD
Other
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Apr 26, 2017 · Synced Oct 10, 2026, 5:52 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Post Operative Continuous Active Combination Sex Steroids for the Prevention of Recurrent Endometrioma Formation

NCT00999479
View directory record Official record
Conditions
Endometrioma
Interventions
Norethindrone acetate and ethinyl estradiol tablets, USP, ferrous fumarate (placebo) tablets
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 10, 2013 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of L-citrulline Supplementation on Vascular Function in Metabolic Syndrome

NCT06025357
View directory record Official record
Conditions
Metabolic Syndrome, Menopause
Interventions
L-Citrulline supplementation, Placebo
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
45 Years to 79 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Oct 10, 2026, 5:52 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 24, 2026 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Examining the Effect of Mental Health Disorders on Vascular Function and Exercise Tolerance

NCT03216980
View directory record Official record
Conditions
Mental Health Disorders
Interventions
PTSD/GAD Antioxidant, PTSD/GAD Placebo, Healthy Control Antioxidant, Healthy Control Placebo
Dietary Supplement
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 25, 2021 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Phase 2 Interventional

Broad-spectrum Rapid Antidote: Varespladib IV to Oral Trial for Snakebite (BRAVIO)

NCT05717062
View directory record Official record
Conditions
Snakebite, Envenoming, Snake
Interventions
Varespladib intravenous form, varespladib-methyl- oral form, Placebo intravenous form, Placebo - oral form
Drug
Lead sponsor
Ophirex, Inc.
Industry
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
10
States / cities
Phoenix, Arizona • Tucson, Arizona • Palm Springs, California + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2025 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability and Pharmacokinetics of Multiple Doses of AV-101 in Healthy Volunteers

NCT01483846
View directory record Official record
Conditions
Neuropathic Pain
Interventions
AV-101, Placebo
Drug
Lead sponsor
VistaGen Therapeutics, Inc.
Industry
Eligibility
21 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 20, 2012 · Synced Oct 10, 2026, 5:52 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Acute Effects of Alpha-glycerylphosphorylcholine (A-GPC) on Lower Body Muscular Performance.

NCT07397273
View directory record Official record
Conditions
Healthy Adult Participants
Interventions
L-Alpha glycerylphosphorylcholine, Microcrystalline Cellulose
Dietary Supplement
Lead sponsor
Northern Illinois University
Other
Eligibility
19 Years to 29 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
DeKalb, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 10, 2026, 5:52 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Researching Economical Adjuvants to Cancer Therapy

NCT07305259
View directory record Official record
Conditions
Healthy Participants
Interventions
Beta-glucan, Placebo
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Dec 26, 2025 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Pioglitazone on Exogenous Carbohydrate Oxidation During Steady-State Exercise at High Altitude

NCT06164665
View directory record Official record
Conditions
High Altitude
Interventions
Pioglitazone 15mg, Placebo
Drug · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 10, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Prochlorperazine Maleate Versus Placebo for the Prophylaxis of Acute Mountain Sickness

NCT06450899
View directory record Official record
Conditions
Acute Mountain Sickness
Interventions
Prochlorperazine Maleate, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 75 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Evergreen, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 10, 2026, 5:52 PM EDT