- Conditions
- Eczema, MTOROC1 Signaling
- Interventions
- L-glutamine
- Drug
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Eligibility
- 5 Years to 65 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 1,985
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Adequate Vitamin C Status, Inadequate Vitamin C Status
- Interventions
- Vitamin C Supplement + Low Vitamin C Diet, Placebo + Low Vitamin C Diet
- Dietary Supplement
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Prostate Cancer
- Interventions
- Vitamin D3, Placebo
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 19 Years to 90 Years · Male only
- Enrollment
- 130 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2020
- U.S. locations
- 2
- States / cities
- Charleston, South Carolina
- Conditions
- Diabetes Mellitus
- Interventions
- Conjugated Linoleic Acid (CLA), Safflower OIl
- Dietary Supplement
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 18 Years to 70 Years · Female only
- Enrollment
- 55 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2006
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Adherence, Patient
- Interventions
- Immulina
- Drug
- Lead sponsor
- University of Mississippi Medical Center
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Jackson, Mississippi
- Conditions
- Acne
- Interventions
- Skin Nutraceutical Supplement, Placebo pill
- Dietary Supplement · Other
- Lead sponsor
- Nutraceutical Wellness Inc.
- Industry
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 102 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- High Point, North Carolina
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 9 Years to 14 Years
- Enrollment
- 691 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Diabetes Mellitus
- Interventions
- gamma-amino-butyric acid, Xylitol
- Drug · Dietary Supplement
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 8 Years to 18 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2012
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Safety Issues, Tolerance
- Interventions
- Treatment 1, Treatment 2, Placebo
- Dietary Supplement
- Lead sponsor
- USANA Health Sciences
- Industry
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Glioblastoma Multiforme
- Interventions
- arginine in powder form, Silica and cellulose placebo powder
- Drug
- Lead sponsor
- Inova Health Care Services
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Fairfax, Virginia
- Conditions
- Blood Donation
- Interventions
- supplementation with low dose elemental iron
- Dietary Supplement
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 533 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2026
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Healthy, no Evidence of Disease, Skin Cancer
- Interventions
- cholecalciferol
- Drug
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 40 Years and older
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Tucson, Arizona
- Conditions
- Metabolic Syndrome
- Interventions
- Supplement, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Jeffrey B. Schwimmer, MD
- Other
- Eligibility
- 18 Years to 25 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- La Jolla, California
- Conditions
- HIV Infections, Hypertriglyceridemia
- Interventions
- Fenofibrate, Fish Oil
- Drug
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Ends 2005
- U.S. locations
- 5
- States / cities
- San Francisco, California • Atlanta, Georgia • Cincinnati, Ohio + 2 more
- Conditions
- Marijuana Use
- Interventions
- Brief Motivational Intervention (BMI), Substance-Free Activity Session (SFAS), Relaxation Session
- Behavioral
- Lead sponsor
- University of Memphis
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 133 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Memphis, Tennessee
- Conditions
- Common Cold, Gastroenteritis
- Interventions
- dietary supplement--echinacea, propolis, and vitamin c
- Drug
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 3 Years to 6 Years
- Enrollment
- 104 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Body Weight
- Interventions
- Control, Protein, Carbohydrate
- Dietary Supplement
- Lead sponsor
- United States Army Research Institute of Environmental Medicine
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 73 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015
- U.S. locations
- 1
- States / cities
- Natick, Massachusetts
- Conditions
- Sleep Disturbance
- Interventions
- Dietary Supplement: Speed Sleep, Placebo
- Dietary Supplement
- Lead sponsor
- Bio Nature Health
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Las Vegas, Nevada
- Conditions
- Hematopoietic Stem Cell Transplant
- Interventions
- 2'-fucosyllactose
- Drug
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- 0 Years and older
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2025
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Obesity &Amp; Overweight
- Interventions
- Cardiovascular Exercise, Butyrate
- Behavioral · Dietary Supplement
- Lead sponsor
- Texas Christian University
- Other
- Eligibility
- 18 Years to 40 Years · Female only
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- Fort Worth, Texas
- Conditions
- HIV Infections
- Interventions
- Use of creatine monohydrate (a dietary supplement), Progressive resistance exercise training
- Procedure · Behavioral
- Lead sponsor
- National Center for Complementary and Integrative Health (NCCIH)
- NIH
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2003
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Obesity, Food Addiction
- Interventions
- Probiotic, Placebo
- Dietary Supplement
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Docosohexaenoic Acid Supplementation of Mothers to
- Interventions
- Expecta 200 mg, Expecta 1 gram
- Drug
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- Up to 45 Years · Female only
- Enrollment
- 27 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Skin Health, Skin Aging of Face and Hands, Healthy, Ecchymosis
- Interventions
- Cyruta Plus: A Whole-Food Based Vitamin C supplement containing organic buckwheat (aerial parts) juice powder, organic buckwheat flour, bovine adrenal Cytosol™ extract, oat flour, honey, ascorbic acid, Low Dose Vitamin C, High Dose Vitamin C
- Dietary Supplement
- Lead sponsor
- Standard Process Inc.
- Industry
- Eligibility
- 55 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Kannapolis, North Carolina