- Conditions
- Vitamin D Deficiency
- Interventions
- Redoxon VI, placebo
- Dietary Supplement
- Lead sponsor
- Oregon State University
- Other
- Eligibility
- 55 Years to 75 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Corvallis, Oregon
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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–10
of 10
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- HIV Infection
- Interventions
- Vitamin D3 50,000 IU, Vitamin D3 placebo
- Dietary Supplement
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 16 Years to 24 Years
- Enrollment
- 214 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 16
- States / cities
- Los Angeles, California • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 11 more
- Conditions
- Metastatic Cancer, Prostate Cancer
- Interventions
- zoledronic acid, placebo, androgen deprivation therapy, GnRH agonist, Calcium supplement, Vitamin D
- Drug · Other · Dietary Supplement
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 645 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2014
- U.S. locations
- 238
- States / cities
- Mobile, Alabama • Fort Smith, Arkansas • Little Rock, Arkansas + 159 more
- Conditions
- Cancer
- Interventions
- Multivitamin (MV), Multivitamin + Vitamin B12 + Vitamin B6, Chemotherapy
- Dietary Supplement · Drug
- Lead sponsor
- New Mexico Cancer Research Alliance
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 319 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2015
- U.S. locations
- 5
- States / cities
- Albuquerque, New Mexico • Santa Fe, New Mexico
- Conditions
- Deficiency of Vitamin D3, COPD
- Interventions
- Cholecalciferol, multivitamin, Placebo
- Dietary Supplement
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 50 Years to 85 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Squamous Cell Carcinoma of the Oral Cavity
- Interventions
- IRX-2, Cyclophosphamide, Indomethacin, Zinc-containing multivitamin, Omeprazole
- Biological · Drug · Dietary Supplement
- Lead sponsor
- Brooklyn ImmunoTherapeutics, LLC
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 105 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2022
- U.S. locations
- 13
- States / cities
- Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 10 more
- 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
- Pregnancy
- Interventions
- Folic acid, 400 mcg/day, Folic acid 800 mcg/day
- Dietary Supplement
- Lead sponsor
- University of Georgia
- Other
- Eligibility
- 18 Years to 40 Years · Female only
- Enrollment
- 51 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Athens, Georgia
- Conditions
- Breast Neoplasm, Breast Neoplasm, Male, Triple Negative Breast Cancer
- Interventions
- Cyclophosphamide, Indomethacin, Omeprazole, Multivitamin
- Drug · Dietary Supplement
- Lead sponsor
- Providence Health & Services
- Other
- Eligibility
- Not listed
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2025
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Cystic Fibrosis
- Interventions
- AquADEKs-2, control multivitamin
- Drug · Dietary Supplement
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 10 Years and older
- Enrollment
- 73 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2016
- U.S. locations
- 15
- States / cities
- Tucson, Arizona • Aurora, Colorado • Orlando, Florida + 12 more