- Conditions
- Malnutrition, Dysentery, Social Transmission of Health Behaviors
- Interventions
- exposure to vitamin use, exposure to water chlorination, high in-degree, nominated by random
- Behavioral
- Lead sponsor
- Harvard University
- Other
- Eligibility
- 15 Years and older
- Enrollment
- 5,773 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
Search Results
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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 156
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Metastatic Breast Cancer, Breast Cancer Stage IV
- Interventions
- Plant-Based Diet
- Behavioral
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 32 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2022
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Type 2 Diabetes, Gastric Banding
- Interventions
- Liraglutide, Orlistat, Liraglutide + Orlistat
- Drug
- Lead sponsor
- East Carolina University
- Other
- Eligibility
- 25 Years to 70 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Greenville, North Carolina
- Conditions
- Bone Metabolism Biomarkers, Bone Mineral Density, Physical Fitness
- Interventions
- Vitamin D3, Physical Activity
- Drug · Behavioral
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 18 Years to 99 Years · Female only
- Enrollment
- 191 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2026
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Vitamin Deficiency, Mineral Deficiency, Aging
- Interventions
- Centrum Silver Mens' Formula, Control
- Dietary Supplement · Other
- Lead sponsor
- Oregon State University
- Other
- Eligibility
- 65 Years and older · Male only
- Enrollment
- 41 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Corvallis, Oregon
- Conditions
- COVID-19, Coronavirus, SARS-CoV-2
- Interventions
- pathogen reduced SARS-CoV-2 convalescent plasma, Placebo
- Biological
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 974 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 26
- States / cities
- Little Rock, Arkansas • La Jolla, California • Aurora, Colorado + 22 more
- Conditions
- Bariatric Surgery Candidate
- Interventions
- AquaVanta Chewable Tablet, Flinstones Complete, Nature Made Calcium Softgels, Twin Labs Iron Caps, Rexall Vitamin B12 Tablet
- Dietary Supplement
- Lead sponsor
- Yasoo Health
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 61 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Mineral Absorption
- Interventions
- Liposomal multivitamin/mineral, Standard multivitamin/mineral
- Dietary Supplement
- Lead sponsor
- Texas Tech University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Lubbock, Texas
- Conditions
- Healthy
- Interventions
- Not listed
- Lead sponsor
- AmeriSciences LP
- Industry
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 200 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 3
- States / cities
- Pearl, Mississippi • Charlotte, North Carolina • Logan, West Virginia
- Conditions
- Maternal and Child Health Outcomes
- Interventions
- Vitamin A alone, Multivitamins excluding vitamin A, multivitamins including vitamin A, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Harvard School of Public Health (HSPH)
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 771 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2007
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Iron Deficiency
- Interventions
- Ferrous gluconate- 19 mg, Ferrous gluconate- 38 mg, Letter Group- Information Provided, Letter - No Information Provided, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Westat
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 702 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2014
- U.S. locations
- 4
- States / cities
- Farmington, Connecticut • Rockville, Maryland • Pittsburgh, Pennsylvania + 1 more
- Conditions
- Breast Cancer
- Interventions
- isoflavones, carbohydrate
- Dietary Supplement
- Lead sponsor
- The University of Texas Medical Branch, Galveston
- Other
- Eligibility
- 30 Years to 42 Years · Female only
- Enrollment
- 197 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2023
- U.S. locations
- 1
- States / cities
- Galveston, Texas
- Conditions
- COVID-19
- Interventions
- NAC (N-acetyl cysteine), Alpha lipoic acid (ALA), liposomal glutathione (GSH)
- Drug
- Lead sponsor
- University of California, Irvine
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Orange, California
- Conditions
- Premature, Preterm Infant Health, Vitamin A Deficiency, Human Milk, Breastfeeding
- Interventions
- Oral multivitamin containing vitamin A
- Dietary Supplement
- Lead sponsor
- University of Mississippi Medical Center
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Jackson, Mississippi
- Conditions
- Type 2 Diabetes Mellitus, Obesity
- Interventions
- Roux-en-Y Gastric Bypass Surgery, Laparoscopic Adjustable Gastric Banding, Lifestyle Weight Loss Intervention
- Procedure · Behavioral
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 25 Years to 55 Years
- Enrollment
- 69 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2028
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Chronic Obstructive Pulmonary Disease (COPD)
- Interventions
- Group 1, Group 2
- Dietary Supplement
- Lead sponsor
- Weill Medical College of Cornell University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 46 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Obesity
- Interventions
- Weekly Internet surveys
- Behavioral
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Hip Fracture
- Interventions
- Nutrition, PUSH, PULSE
- Dietary Supplement · Behavioral
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 210 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2017
- U.S. locations
- 4
- States / cities
- Farmington, Connecticut • Baltimore, Maryland • Lebanon, New Hampshire + 1 more
- Conditions
- Bladder Cancer
- Interventions
- multivitamin, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2003
- U.S. locations
- 16
- States / cities
- Scottsdale, Arizona • Urbana, Illinois • Cedar Rapids, Iowa + 13 more
- Conditions
- Healthy
- Interventions
- MVM/phytochemical supplement, Placebo
- Dietary Supplement
- Lead sponsor
- USANA Health Sciences
- Industry
- Eligibility
- 20 Years to 65 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Down Syndrome, Alzheimer Disease
- Interventions
- Vitamin E, multivitamin, Placebo
- Drug
- Lead sponsor
- New York State Institute for Basic Research
- Government
- Eligibility
- 50 Years and older
- Enrollment
- 350 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2012
- U.S. locations
- 14
- States / cities
- Farmington, Connecticut • Tampa, Florida • Atlanta, Georgia + 10 more
- Conditions
- Cognitive Impairment, Dementia, Aging
- Interventions
- Not listed
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 2,262 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2021
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Weight Loss, Anovulation, Amenorrhea, Infertility
- Interventions
- Commercial Weight Loss Program
- Behavioral
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 18 Years to 35 Years · Female only
- Enrollment
- 79 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2023
- U.S. locations
- 1
- States / cities
- Ithaca, New York
- Conditions
- HIV
- Interventions
- Vitamin D3, Placebo, Vitamin Supplements
- Drug · Other
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 40 Years to 70 Years · Female only
- Enrollment
- 85 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2016
- U.S. locations
- 1
- States / cities
- New York, New York