- Conditions
- Acne Vulgaris
- Interventions
- Calcipotriene, Placebo
- Drug
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 66 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Los Angeles, California
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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 49–72
of 410
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Bone Density, Body Composition, Bone Health
- Interventions
- Vitamin D3 placebo, Fish oil placebo, omega-3 fatty acids (fish oil), Vitamin D3
- Dietary Supplement
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 771 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2023
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Type 2 Diabetes Mellitus (T2DM), Sarcopenia, Obesity, Muscle Loss, Older Adults
- Interventions
- Calcium-HMB Plus Vitamin D3, Matching placebo
- Dietary Supplement · Other
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 65 Years to 85 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2030
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Nonmelanoma Skin Cancer, Basal Cell Carcinoma, Squamous Cell Carcinoma
- Interventions
- Vitamin D (VitD), Placebo, Photodynamic therapy (PDT), Mohs surgery or electrodessication & curettage (ED&C) (standard of care)
- Dietary Supplement · Other · Procedure
- Lead sponsor
- Case Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 54 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Biomarker Change Linked to Breast Cancer
- Interventions
- placebo/celecoxib 400 mg and cholecalciferol 400 IU/cholecalciferol 2,000 IU
- Drug
- Lead sponsor
- Hartford Hospital
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 31 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2016
- U.S. locations
- 1
- States / cities
- Grand Forks, North Dakota
- Conditions
- Vitamin D Deficiency
- Interventions
- 800 IU Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Milton S. Hershey Medical Center
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 412 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2019
- U.S. locations
- 1
- States / cities
- University Park, Pennsylvania
- Conditions
- Diabetes Mellitus, Diabetic Retinopathy
- Interventions
- EyePromise DVS, EyePromise DVS plus EyePromise EZTears
- Dietary Supplement
- Lead sponsor
- ZeaVision, LLC
- Industry
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina
- Conditions
- Spinal Cord Injuries, Osteoporosis, Metabolic Syndrome
- Interventions
- Rosuvastatin Calcium, Placebo Oral Tablet, Coenzyme Q10, Calcium Carbonate, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Dr. B. Catharine. Craven
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2022
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Chronic Kidney Disease, Kidney Transplantation
- Interventions
- Doxercalciferol, placebo, 25-OH Vitamin D3
- Drug
- Lead sponsor
- Mariana Markell
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Brooklyn, New York
- Conditions
- Health, Subjective
- Interventions
- Experimental supplement, Placebo
- Dietary Supplement
- Lead sponsor
- Auburn University
- Other
- Eligibility
- 21 Years to 40 Years · Female only
- Enrollment
- 94 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Auburn, Alabama
- Conditions
- Sepsis, Severe Sepsis, End Organ Damage, Multi Organ Failure
- Interventions
- vitamin D3, Placebo
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 80 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2022
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Cystic Fibrosis
- Interventions
- Vitamin D Powder, Vitamin D Oil
- Dietary Supplement
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 59 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Musculoskeletal Pain
- Interventions
- Vitamin D 2, Vitamin D2 Placebo
- Drug
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 71 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 4
- States / cities
- Worcester, Massachusetts • St Louis, Missouri • Camden, New Jersey + 1 more
- Conditions
- Prostate Cancer
- Interventions
- calcitriol, docetaxel
- Drug
- Lead sponsor
- Novacea
- Industry
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 250 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2005
- U.S. locations
- 52
- States / cities
- Montgomery, Alabama • Scottsdale, Arizona • Tucson, Arizona + 44 more
- Conditions
- Basal Cell Carcinoma, Basal Cell Nevus Syndrome
- Interventions
- Dietary Vitamin D3 pre-treatment, Photodynamic therapy, Serum Maintenance Vitamin D3
- Drug · Radiation
- Lead sponsor
- Case Comprehensive Cancer Center
- Other
- Eligibility
- Not listed
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2023
- U.S. locations
- 2
- States / cities
- Phoenix, Arizona • Cleveland, Ohio
- Conditions
- HIV-associated Co-morbidities
- Interventions
- conventional vitamin D treatment, tiered/titrated vitamin D dosing
- Dietary Supplement · Drug
- Lead sponsor
- Andrea Branch
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 62 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Autoimmune Diseases, Systemic Inflammatory Process, Knee Pain Chronic, Osteoarthritis, Rheumatoid Arthritis
- Interventions
- Fish Oil, Vitamin D, placebo pill
- Drug · Dietary Supplement · Other
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 25,871 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2025
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- PMS, Menstrual Cramp, Mood Change
- Interventions
- PMS Capsule, Capsule Placebo, PMS Gummy, Gummy Placebo
- Dietary Supplement
- Lead sponsor
- Semaine Health
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 176 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Las Vegas, Nevada
- Conditions
- Bone Health, Nutrition Status
- Interventions
- Ca/Vit D, Placebo
- Dietary Supplement · Other
- Lead sponsor
- United States Army Research Institute of Environmental Medicine
- Federal
- Eligibility
- 17 Years to 42 Years
- Enrollment
- 342 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2018
- U.S. locations
- 2
- States / cities
- Fort Sill, Oklahoma • San Antonio, Texas
- Conditions
- Heart Failure
- Interventions
- Vitamin D and fish oil, Fish oil (EPA/DHA) alone, Vitamin D alone, Placebo
- Drug · Dietary Supplement · Other
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 25,871 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Obesity
- Interventions
- Drisdol (Ergocalciferol) Vitamin D2, Placebo
- Drug
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 11 Years to 17 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Breast Cancer, Osteoporosis
- Interventions
- calcium carbonate, vitamin D, risedronate sodium, placebo
- Dietary Supplement · Drug · Other
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 216 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2008
- U.S. locations
- 198
- States / cities
- Mobile, Alabama • Scottsdale, Arizona • Aurora, Colorado + 124 more
- Conditions
- Reproductive Issues
- Interventions
- Vitamin D, Placebo
- Dietary Supplement · Other
- Lead sponsor
- National Institute of Environmental Health Sciences (NIEHS)
- NIH
- Eligibility
- 19 Years to 40 Years · Female only
- Enrollment
- 998 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 2
- States / cities
- Detroit, Michigan • Research Triangle Park, North Carolina
- Conditions
- Wheezing, Allergy
- Interventions
- Cholecalciferol, Cholecalciferol
- Dietary Supplement · Drug
- Lead sponsor
- Case Western Reserve University
- Other
- Eligibility
- Up to 1 Year
- Enrollment
- 300 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2017
- U.S. locations
- 5
- States / cities
- New York, New York • Cleveland, Ohio • Charleston, South Carolina