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Showing 97–120 of 311 matching trials from the live ClinicalTrials.gov search.
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Magnesium Supplementation for the Prevention of Supraventricular Arrhythmias

NCT02837328
Conditions
Premature Atrial Contraction
Interventions
Oral Magnesium Supplement, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
55 Years and older
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Phase 2 Interventional Results available

Sulforaphane to Reduce Symptoms of Schizophrenia

NCT02810964
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Sulforaphane Nutraceutical, Identical-appearing Placebo
Drug
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Towson, Maryland
Conditions
Pregnancy Related
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
3
States / cities
La Jolla, California • San Diego, California
Conditions
Preterm Birth, Inadequate Milk Production
Interventions
Nicotinamide Riboside (NR), Placebo
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Sacramento, California
Conditions
Anorexia, Cachexia
Interventions
eicosapentaenoic acid, megestrol acetate, placebo
Dietary Supplement · Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
429 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
22
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Peoria, Illinois + 19 more
Conditions
Knee Osteoarthritis (OA)
Interventions
Collagen Hydrolysate, Placebo
Dietary Supplement
Lead sponsor
GELITA
Industry
Eligibility
49 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Echinacea-based Supplement Does Not Improve Markers of Performance in Athletes

NCT02134119
Conditions
Ineffective Erythropoiesis
Interventions
Echinacea-based dietary supplement, Placebo
Dietary Supplement · Drug
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 44 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Lubbock, Texas
Conditions
Myelodysplastic Syndromes, Chronic Myelomonocytic Leukemia-1, Cytopenia
Interventions
Vitamin C (ascorbic acid), Placebo
Dietary Supplement · Other
Lead sponsor
Copenhagen University Hospital, Rigshospitalet
Other
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Completed Phase 2 Interventional Results available

Lipoic Acid Supplement for Cystine Stone

NCT02910531
Conditions
Cystinuria
Interventions
Alpha lipoic acid, Placebo
Dietary Supplement · Drug
Lead sponsor
Thomas Chi, MD
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
San Francisco, California
Conditions
Visual Field Defect, Peripheral, Glaucoma, Open-Angle
Interventions
Vitamin B3, Pyruvate, Placebo
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
40 Years to 80 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Recruiting Not applicable Interventional Accepts healthy volunteers

Examining Olive Oil Extract on Knee Comfort and Function

NCT07514013
Conditions
Healthy Adult Male, Healthy Adult Females, Joint Discomfort
Interventions
Olive Oil Extract, Placebo
Dietary Supplement
Lead sponsor
Applied Food Sciences Inc.
Industry
Eligibility
40 Years to 75 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Vitamin A Deficiency, Maternal Mortality, Infant Mortality
Interventions
Vitamin A or Beta-Carotene Supplements
Dietary Supplement
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
15 Years to 49 Years · Female only
Enrollment
59,666 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Treatment of Fatigue After Resolution of COVID-19 Infection
Interventions
Oxaloacetate Medical Food/Dietary Supplement
Dietary Supplement
Lead sponsor
Terra Biological LLC
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boulder, Colorado
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
Conditions
Pre-diabetic
Interventions
Sugar Pill, XOS 2.8
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Microvascular Dysfunction, Microvasculature, Cardiovascular Diseases, Cardiovascular Diseases (CVD), Microvascular Health, Obesity and Overweight
Interventions
Quercetin (dietary supplement), Placebo
Dietary Supplement · Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Wauwatosa, Wisconsin
Recruiting Not applicable Interventional Accepts healthy volunteers

Effera Dose Response: Women's Health

NCT07524270
Conditions
Womens Health, Menstrual Symptoms
Interventions
Effera® (human equivalent lactoferrin), Placebo
Dietary Supplement · Other
Lead sponsor
Helaina Inc.
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
2
States / cities
San Francisco, California
Conditions
Chronic Kidney Diseases, Cognitive Decline
Interventions
Curcumin, Placebo
Drug · Other
Lead sponsor
Diana Jalal
Other
Eligibility
45 Years to 74 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Vaginal Health
Interventions
Vaginal Health Placebo Control, Vaginal Health Active VV-01
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 60 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Del Mar, California
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of an Aromatic Botanical Extract on Respiratory Health.

NCT04368169
Conditions
Respiratory Health
Interventions
Teramune Botanical Extract, Placebo
Dietary Supplement · Other
Lead sponsor
Nutraceuticals Research Institute
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Franklin, Tennessee
Conditions
Cognitive Dysfunction, Alzheimer Disease, Blood-Brain Barrier, Apolipoprotein E, Deficiency or Defect of, Brain Aging, Fatty Acids, Omega-3
Interventions
Alpha-Linolenic Acid (2.6 g/day), Placebo Control Group
Drug · Dietary Supplement
Lead sponsor
Michal Schnaider Beeri, Ph.D.
Other
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Menopausal Osteoporosis
Interventions
VSL#3, Placebo
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
50 Years to 65 Years · Female only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Calcium Phosphate Kidney Stones
Interventions
OHCit- standard dose, Potassium Citrate, Placebo, OHCit- low dose
Dietary Supplement · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 99 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Renal Failure, Coronary Artery Disease, Surgery, Surgery-Complications
Interventions
CoQ10 1200 mg orally with Glutathione 1000 mg orally, Group B: Placebo CoQ10 orally and Placebo Glutathione orally
Drug
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 70 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia