- Conditions
- Vitamin D Deficiency, Nephrolithiasis
- Interventions
- vitamin D (ergocalciferol)
- Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
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 793–816
of 960
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Autistic Disorder
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 20 Years to 44 Years · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2016
- U.S. locations
- 1
- States / cities
- Oregon City, Oregon
- Conditions
- Dry Eye Syndrome
- Interventions
- Omega 3, Vitamins A, D3 and E
- Dietary Supplement
- Lead sponsor
- Eye and Vision Technologies and Research Institute
- Network
- Eligibility
- 18 Years to 79 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012
- U.S. locations
- 4
- States / cities
- Conifer, Colorado • Oak Lawn, Illinois • Lexington, Kentucky + 1 more
- Conditions
- Ulcerative Colitis
- Interventions
- Nutrition supplement, Placebo supplement
- Dietary Supplement
- Lead sponsor
- Baptist Memorial Health Care Corporation
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Memphis, Tennessee
- Conditions
- Vitamin D Deficiency, Vitamin D Insufficiency
- Interventions
- UVB treatment, Sham comparator
- Device
- Lead sponsor
- Boston University
- Other
- Eligibility
- 22 Years and older
- Enrollment
- 69 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteoporosis
- Interventions
- Calcium and vitamin D supplementation
- Dietary Supplement
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 45 Years to 85 Years · Female only
- Enrollment
- 78 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Chronic Kidney Disease, Hyperparathyroidism, Secondary
- Interventions
- Cinacalcet hydrochloride, Standard of Care
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 28 Days to 2189 Days
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 17
- States / cities
- Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 14 more
- Conditions
- Vitamin D Deficiency, Breast Milk Collection
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 1 Month to 60 Years
- Enrollment
- 101 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Psoriasis
- Interventions
- U0267 Foam, Vehicle foam
- Drug
- Lead sponsor
- Stiefel, a GSK Company
- Industry
- Eligibility
- 12 Years and older
- Enrollment
- 323 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008
- U.S. locations
- 12
- States / cities
- Mobile, Alabama • Fremont, California • Ormond Beach, Florida + 9 more
- Conditions
- Breast Cancer
- Interventions
- 800 IU Vitamin D Supplement, 50,000 IU Vitamin D supplement
- Drug
- Lead sponsor
- Mothaffar Rimawi
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 93 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2018
- U.S. locations
- 2
- States / cities
- St Louis, Missouri • Houston, Texas
- Conditions
- Food Allergy
- Interventions
- Food Supplement
- Dietary Supplement
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 5 Months to 11 Months
- Enrollment
- 705 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Hypovitaminosis D
- Interventions
- 100,000 IU cholecalciferol, Placebo
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteoporosis
- Interventions
- Zoledronic Acid, Placebo
- Drug
- Lead sponsor
- Novartis
- Industry
- Eligibility
- 68 Years to 90 Years · Female only
- Enrollment
- 2,456 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2009
- U.S. locations
- 30
- States / cities
- Tucson, Arizona • Little Rock, Arkansas • Beverly Hills, California + 26 more
- Conditions
- Osteoporosis
- Interventions
- Teriparatide, Alendronate, Calcium, Vitamin D3
- Drug · Dietary Supplement
- Lead sponsor
- Helen Hayes Hospital
- Other
- Eligibility
- 45 Years to 85 Years · Female only
- Enrollment
- 140 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2017
- U.S. locations
- 1
- States / cities
- West Haverstraw, New York
- Conditions
- Primary Hyperparathyroidism, Hypercalcemia, Vitamin D Deficiency, Osteoporosis, Osteopenia
- Interventions
- Placebo, Vitamin D3
- Dietary Supplement
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 45 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Osteoporosis
- Interventions
- Placebo, DP001
- Drug
- Lead sponsor
- Deltanoid Pharmaceuticals
- Industry
- Eligibility
- 55 Years to 80 Years · Female only
- Enrollment
- 157 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2009
- U.S. locations
- 9
- States / cities
- Upland, California • Indianapolis, Indiana • Bethesda, Maryland + 6 more
- Conditions
- Immunotherapy, Cutaneous Squamous Cell Carcinoma, Actinic Keratoses, Organ Transplant Recipients, Skin Cancer
- Interventions
- Calcipotriol Only Product in Cutaneous Dose Form, Vaseline, Topical 5FU
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 50 Years and older
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2030
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts • St Louis, Missouri
- Conditions
- Prostate Cancer
- Interventions
- calcitriol
- Dietary Supplement
- Lead sponsor
- OHSU Knight Cancer Institute
- Other
- Eligibility
- 18 Years to 120 Years · Male only
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2003
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- 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
- Conditions
- Psoriasis
- Interventions
- Topical Therapy, Phototherapy and Systemic Therapy, Biologic Therapy
- Other
- Lead sponsor
- University of California, Irvine
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Irvine, California
- Conditions
- Vitamin D Deficiency, Sarcopenia
- Interventions
- vitamin D3, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 60 Years to 85 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteopenia, Osteoporosis, Bone Health in Perimenopausal Women, Menopause Related Conditions, Fracture Healing
- Interventions
- 500 mg calcium from milk-derived minerals, Calcium Carbonate 500 MG
- Other · Dietary Supplement
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 40 Years to 90 Years · Female only
- Enrollment
- 217 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Pregnancy Related, Allergy, Atopic Dermatitis Eczema, Asthma in Children, Food Allergy
- Interventions
- Transepidermal water loss, Skin tape stripping, Blood draw, Bacterial PCR swab
- Diagnostic Test
- Lead sponsor
- National Jewish Health
- Other
- Eligibility
- 0 Minutes to 55 Years
- Enrollment
- 160 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Denver, Colorado
- Conditions
- Osteoporosis
- Interventions
- Alendronate
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 5 Years to 15 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2009
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina