- Conditions
- Hormone-Resistant Prostate Cancer, Metastatic Prostate Carcinoma, Stage IV Prostate Cancer
- Interventions
- Ascorbic Acid, Docetaxel, Laboratory Biomarker Analysis, Pharmacological Study, Placebo, Quality-of-Life Assessment
- Dietary Supplement · Drug · Other
- Lead sponsor
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2021
- U.S. locations
- 6
- States / cities
- Washington D.C., District of Columbia • Annapolis, Maryland • Baltimore, Maryland + 3 more
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 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Hypertension, Vitamin D Deficiency, Pre-Hypertension
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 534 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 3
- States / cities
- Hartford, Connecticut • Boston, Massachusetts • Minneapolis, Minnesota
- Conditions
- HIV Infections, AIDS
- Interventions
- Cholecalciferol (Vit D3)
- Drug
- Lead sponsor
- Children's Hospital of Philadelphia
- Other
- Eligibility
- 5 Years to 24 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Cognitive Health, Mood
- Interventions
- Experimental, Placebo, Water
- Dietary Supplement · Other
- Lead sponsor
- Nature's Sunshine Products, Inc.
- Industry
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Lehi, Utah
- Conditions
- Childhood Acute Promyelocytic Leukemia With PML-RARA, Myeloid Neoplasm
- Interventions
- Arsenic Trioxide, Cytarabine, Diagnostic Laboratory Biomarker Analysis, Idarubicin, Mercaptopurine, Methotrexate, Mitoxantrone Hydrochloride, Tretinoin
- Drug · Other
- Lead sponsor
- Children's Oncology Group
- Network
- Eligibility
- 2 Years to 21 Years
- Enrollment
- 106 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2022
- U.S. locations
- 112
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 87 more
- Conditions
- Prediabetes, Type 2 Diabetes (T2DM)
- Interventions
- Vitamin D (Cholecalciferol ), Placebo
- Drug
- Lead sponsor
- Tufts Medical Center
- Other
- Eligibility
- 30 Years to 74 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2031
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Atrial Fibrillation
- Interventions
- Edoxaban, Warfarin, Enoxaparin
- Drug
- Lead sponsor
- Daiichi Sankyo
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 2,199 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 28
- States / cities
- Phoenix, Arizona • Escondido, California • Newport Beach, California + 25 more
- Conditions
- Folate Deficiency, Neural Tube Defects
- Interventions
- Fortified Iodized Salt with Folic Acid (FISFA)
- Dietary Supplement
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 250 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Colorectal Cancer
- Interventions
- vitamin E, laboratory biomarker analysis
- Dietary Supplement · Other
- Lead sponsor
- Rutgers, The State University of New Jersey
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2014
- U.S. locations
- 1
- States / cities
- New Brunswick, New Jersey
- Conditions
- HIV Infected Population With Latent Tuberculosis
- Interventions
- rifapentene (RPT), darunavir/cobicistat (DRV/c), Isoniazid (INH), Pyridoxine
- Drug · Dietary Supplement
- Lead sponsor
- National Institutes of Health Clinical Center (CC)
- NIH
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2021
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Multiple System Atrophy
- Interventions
- Rifampicin, placebo
- Drug
- Lead sponsor
- Phillip Low
- Other
- Eligibility
- 30 Years to 80 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 10
- States / cities
- Los Angeles, California • San Diego, California • Jacksonville, Florida + 7 more
- Conditions
- Melanoma
- Interventions
- Pembrolizumab, Quavonlimab, Vibostolimab, Lenvatinib, ATRA
- Biological · Drug
- Lead sponsor
- Merck Sharp & Dohme LLC
- Industry
- Eligibility
- 18 Years to 120 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2025
- U.S. locations
- 13
- States / cities
- Los Angeles, California • Santa Monica, California • Aurora, Colorado + 9 more
- Conditions
- Pantothenate Kinase-Associated Neurodegeneration
- Interventions
- CoA-Z, Placebo
- Other
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 3 Months to 89 Years
- Enrollment
- 77 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2025
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- HIV Prevention, Transgender Women
- Interventions
- Alternative long-acting PrEP injection strategies, mHealth adherence app
- Behavioral
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years to 100 Years · Male only
- Enrollment
- 19 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Cardiovascular Diseases, Cardiovascular Risk Factor, Vasoconstriction
- Interventions
- Control (Norepinephrine), Norepinephrine + Ascorbic Acid, Norepinephrine + L-NAME, Norepinephrine + L-NAME + Ascorbic Acid
- Drug
- Lead sponsor
- The University of Texas at Arlington
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2024
- U.S. locations
- 1
- States / cities
- Arlington, Texas
- Conditions
- Prostate Cancer
- Interventions
- vitamin E, sham intervention
- Dietary Supplement · Procedure
- Lead sponsor
- University of Medicine and Dentistry of New Jersey
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 65 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- New Brunswick, New Jersey
- Conditions
- Perception Disturbance, Visual Suppression, Psychedelic Experiences
- Interventions
- Psilocybin, Niacin
- Drug
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 25 Years to 65 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Prostate Adenocarcinoma, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer
- Interventions
- Cholecalciferol, Genistein, Laboratory Biomarker Analysis, Pharmacological Study, Placebo
- Drug · Other
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 11
- States / cities
- Birmingham, Alabama • Baltimore, Maryland • Burlington, Massachusetts + 6 more
- 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
- Advanced Hepatocellular Carcinoma, Advanced Melanoma, Locally Advanced Melanoma, Metastatic Melanoma, Stage III Hepatocellular Carcinoma AJCC v8, Stage IV Hepatocellular Carcinoma AJCC v8
- Interventions
- Biospecimen Collection, Cholecalciferol, Computed Tomography, Desloratadine, Immunotherapy, Infusion Procedure, Magnesium Sulfate, Magnetic Resonance Imaging, Propranolol
- Procedure · Dietary Supplement · Drug + 1 more
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- 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
- Carcinoma, Transitional Cell, Bladder Cancer, Bladder Neoplasm
- Interventions
- Pralatrexate Injection, Vitamin B12, Folic Acid
- Drug · Dietary Supplement
- Lead sponsor
- Acrotech Biopharma Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2011
- U.S. locations
- 4
- States / cities
- Tucson, Arizona • Atlanta, Georgia • Rochester, New York + 1 more
- Conditions
- Pyruvate Kinase Deficiency, Glucose 6 Phosphate Dehydrogenase Deficiency
- Interventions
- Vitamin C
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Cervical Squamous Cell Carcinoma In Situ, Vulvar High Grade Squamous Intraepithelial Lesion
- Interventions
- Cyclophosphamide, Indomethacin, IRX-2, Laboratory Biomarker Analysis, Multivitamin, Omeprazole, Placebo, Therapeutic Conventional Surgery
- Drug · Biological · Other + 2 more
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 25 Years and older · Female only
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2024
- U.S. locations
- 2
- States / cities
- Los Angeles, California • Oklahoma City, Oklahoma