- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease
- Interventions
- Paricalcitol, Calcitriol
- Drug
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 110 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2013
- U.S. locations
- 4
- States / cities
- Chicago, Illinois • Evanston, Illinois • Detroit, Michigan + 1 more
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 92
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Hypertension, Vitamin D Deficiency
- Interventions
- calcitriol, Placebo
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Hypovitaminosis D, Insulin Resistance, Diabetes
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Bastyr University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 66 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2011
- U.S. locations
- 2
- States / cities
- Kailua-Kona, Hawaii • Kenmore, Washington
- Conditions
- Prostate Cancer
- Interventions
- calcitriol, dexamethasone
- Dietary Supplement · Drug
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2006
- U.S. locations
- 2
- States / cities
- Buffalo, New York • Pittsburgh, Pennsylvania
- Conditions
- Unspecified Adult Solid Tumor, Protocol Specific
- Interventions
- calcitriol, paclitaxel
- Dietary Supplement · Drug
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1998 – 2005
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Plaque Psoriasis
- Interventions
- calcitriol ointment, placebo comparator
- Drug
- Lead sponsor
- Galderma R&D
- Industry
- Eligibility
- 2 Years to 12 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 12
- States / cities
- Beverly Hills, California • Sacramento, California • Louisville, Kentucky + 9 more
- Conditions
- Precursor Cell Lymphoblastic Leukemia-Lymphoma, Vitamin D Deficiency
- Interventions
- Vitamin D and Calcium Citrate
- Dietary Supplement
- Lead sponsor
- Children's Hospital Los Angeles
- Other
- Eligibility
- 10 Years to 29 Years
- Enrollment
- 76 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2016
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- ADHD
- Interventions
- Magnetic Resonance Imaging (MRI), PHNO, calcitriol, Placebo oral capsule, high-resolution research tomography, Dextro Amphetamine
- Procedure · Drug · Dietary Supplement
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2023
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Kidney Failure, Chronic, Chronic Kidney Disease-Mineral and Bone Disorder
- Interventions
- Oral calcitriol with cinacalcet rescue, IV activated vitamin D
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Adenomatous Polyps
- Interventions
- 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), placebo to 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), placebo to 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), Colonoscopy
- Drug · Procedure
- Lead sponsor
- Colotech A/S
- Industry
- Eligibility
- 40 Years to 75 Years
- Enrollment
- 350 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2010
- U.S. locations
- 24
- States / cities
- Huntsville, Alabama • San Diego, California • Clearwater, Florida + 20 more
- Conditions
- Prostate Cancer
- Interventions
- calcitriol, zoledronic acid
- Dietary Supplement · Drug
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 18 Years and older · Male only
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2004
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Prostate Cancer
- Interventions
- calcitriol, dexamethasone, clinical observation
- Dietary Supplement · Drug · Other
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 18 Years to 120 Years · Male only
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2010
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Type 2 Diabetes, Obesity
- Interventions
- Calcitriol, Placebo
- Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 41 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Mouth Neoplasms
- Interventions
- Celecoxib, Calcitriol, Celecoxib plus Calcitriol
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2015
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Carcinoma, Non-Small-Cell Lung
- Interventions
- calcitriol + docetaxel
- Drug
- Lead sponsor
- Novacea
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2005
- U.S. locations
- 11
- States / cities
- Berkeley, California • Vallejo, California • Denver, Colorado + 8 more
- Conditions
- End-Stage Kidney Disease
- Interventions
- Zemplar (paricalcitol injection), Calcijex
- Drug
- Lead sponsor
- Abbott
- Industry
- Eligibility
- 20 Years and older
- Enrollment
- 2,200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2003
- U.S. locations
- 60
- States / cities
- Tuscaloosa, Alabama • Inglewood, California • Los Angeles, California + 40 more
- Conditions
- Lung Cancer, Precancerous Condition, Tobacco Use Disorder
- Interventions
- calcitriol, laboratory biomarker analysis, pharmacological study
- Drug · Other
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 40 Years to 79 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2018
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Chronic Kidney Disease, Vitamin D Deficiency, Coronary Calcification, Disorders of Calcium and Bone Metabolism
- Interventions
- Calcitriol (Rocaltrol®), Paricalcitol
- Drug
- Lead sponsor
- Joslin Diabetes Center
- Other
- Eligibility
- 25 Years and older
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Hypocalcemia, Rickets
- Interventions
- 1,25-Dihydroxycholecalciferol
- Drug
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- Not listed
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1976 – 2009
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Kidney Failure, Secondary Hyperparathyroidism, Hyperphosphatemia, Hypercalcemia
- Interventions
- Calcitriol, Paricalcitol
- Drug
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Psoriasis Vulgaris
- Interventions
- Calcitriol
- Drug
- Lead sponsor
- Galderma R&D
- Industry
- Eligibility
- 2 Years to 16 Years
- Enrollment
- 54 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 8
- States / cities
- Fort Smith, Arkansas • Rogers, Arkansas • Burbank, California + 5 more
- Conditions
- Psoriasis
- Interventions
- clobetasol propionate spray 0.05%, calcitriol ointment
- Drug
- Lead sponsor
- Galderma R&D
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 305 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 12
- States / cities
- San Diego, California • Newnan, Georgia • Snellville, Georgia + 9 more
- Conditions
- Plaque Psoriasis
- Interventions
- Calcitriol 3 mcg/g ointment
- Drug
- Lead sponsor
- Galderma R&D
- Industry
- Eligibility
- 2 Years to 12 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 8
- States / cities
- San Diego, California • Indianapolis, Indiana • Ann Arbor, Michigan + 5 more
- Conditions
- ADHD
- Interventions
- Calcitriol, Placebo
- Drug · Other
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 3 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut