- 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
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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 25–40
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matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Colorectal Cancer
- Interventions
- vitamin D repletion with Cholecalciferol (vitamin D3 50,000 International Units)
- Drug
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2014
- U.S. locations
- 5
- States / cities
- Basking Ridge, New Jersey • Commack, New York • New York, New York + 2 more
- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease
- Interventions
- Etelcalcetide, Standard of Care
- Drug · Other
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 0 Years to 18 Years
- Enrollment
- 56 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2029
- U.S. locations
- 10
- States / cities
- Los Angeles, California • Aurora, Colorado • Kansas City, Missouri + 7 more
- Conditions
- Chronic Kidney Disease
- Interventions
- 1000 IU of Vitamin D3, 4000 IU of Vitamin D3
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 9 Years to 21 Years
- Enrollment
- 98 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Vitamin D Deficiency
- Interventions
- High Dose Vitamin D3, Low Dose Vitamin D3, Placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- Up to 75 Years · Female only
- Enrollment
- 230 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Adequate Vitamin C Status, Inadequate Vitamin C Status
- Interventions
- Vitamin C Supplement + Low Vitamin C Diet, Placebo + Low Vitamin C Diet
- Dietary Supplement
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Leg Cramps, Nocturnal
- Interventions
- vitamin d, placebo
- Drug
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 29 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2011
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Cystic Fibrosis, Respiratory Tract Infections
- Interventions
- Cholecalciferol
- Dietary Supplement
- Lead sponsor
- Emory University
- Other
- Eligibility
- 16 Years and older
- Enrollment
- 91 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 5
- States / cities
- Birmingham, Alabama • Atlanta, Georgia • Iowa City, Iowa + 2 more
- Conditions
- Chronic Pancreatitis
- Interventions
- Creon36™
- Drug
- Lead sponsor
- Children's Hospital of Philadelphia
- Other
- Eligibility
- 30 Years to 70 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Vitamin D Deficiency, HIV
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 122 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Vitamin D Deficiency
- Interventions
- Not listed
- Lead sponsor
- The Cooper Health System
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 9,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Camden, New Jersey
- Conditions
- Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis
- Interventions
- ergocalciferol, Cholecalciferol
- Dietary Supplement
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 5 Years to 21 Years
- Enrollment
- 134 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteoporosis, Bone Loss, Fragility Fractures
- Interventions
- Intravenous zoledronic acid, Vitamin D 800 IU/daily, Calcium 1200 mg/daily
- Drug · Dietary Supplement
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 65 Years and older · Female only
- Enrollment
- 181 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2014
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Leukemia
- Interventions
- arsenic trioxide, gemtuzumab ozogamicin, mercaptopurine, methotrexate, tretinoin
- Drug
- Lead sponsor
- SWOG Cancer Research Network
- Network
- Eligibility
- 18 Years to 120 Years
- Enrollment
- 78 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2018
- U.S. locations
- 192
- States / cities
- Roseville, California • Sacramento, California • Stanford, California + 139 more
- Conditions
- Multiple Myeloma
- Interventions
- Lenalidomide, Maintenance Vitamin D, No maintenance Vitamin D
- Drug
- Lead sponsor
- Amany Keruakous, MD, MS.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2028
- U.S. locations
- 1
- States / cities
- Augusta, Georgia
- 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