- Conditions
- Colorectal Polyps, Colorectal Adenoma, Adenocarcinoma
- Interventions
- placebo and Calcitriol, Calcium and Calcitriol
- Drug
- Lead sponsor
- Rockefeller University
- Other
- Eligibility
- 48 Years to 72 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2009
- U.S. locations
- 1
- States / cities
- New York, New York
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 1–11
of 11
matching trials from the live ClinicalTrials.gov search.
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- 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
- Secondary Hyperparathyroidism, Chronic Kidney Disease
- Interventions
- Zemplar, 42 Ca carbonate absorption via single tracer method, Calcijex
- Drug · Procedure
- Lead sponsor
- Abbott
- Industry
- Eligibility
- 20 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2004
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- 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
- Chronic Kidney Disease, Hyperparathyroidism, Hyperparathyroidism, Secondary, Kidney Disease, Secondary Hyperparathyroidism
- Interventions
- cinacalcet capsule, placebo, Standard of Care
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2011
- U.S. locations
- 18
- States / cities
- Birmingham, Alabama • Los Angeles, California • San Francisco, California + 14 more
- 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
- Hypocalcemia, Thyroid Diseases
- Interventions
- Tums, Calcitriol
- Dietary Supplement
- Lead sponsor
- Lahey Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 82 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Burlington, Massachusetts
- Conditions
- Hypocalcemia
- Interventions
- Teriparatide (Forteo), Calcium, Calcitriol
- Drug
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease
- Interventions
- Cinacalcet, active vitamin D analogue
- Other
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 92 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Lynchburg, Virginia
- Conditions
- Autosomal Dominant Hypocalcemia (ADH)
- Interventions
- Encaleret, Standard of Care
- Drug · Dietary Supplement
- Lead sponsor
- Calcilytix Therapeutics, Inc., a BridgeBio company
- Industry
- Eligibility
- 16 Years and older
- Enrollment
- 67 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2029
- U.S. locations
- 11
- States / cities
- Oakland, California • Aurora, Colorado • Indianapolis, Indiana + 8 more
- Conditions
- Hypoparathyroidism
- Interventions
- Synthetic Human Parathyroid Hormone 1-34, Calcitriol & Calcium
- Drug
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- NIH
- Eligibility
- 17 Years to 69 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1991 – 2014
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland