- Conditions
- Risperidone-induced Hyperprolactinemia
- Interventions
- Calcium and Vitamin D, Placebo
- Drug · Other
- Lead sponsor
- Chadi A. Calarge
- Other
- Eligibility
- 5 Years to 17 Years · Male only
- Enrollment
- 47 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2014
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
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 1–20
of 20
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Obesity, Overweight
- Interventions
- Orange Juice fortified with Calcium and Vitamin D, Orange juice without Ca or VitD, Nutritional Counseling
- Dietary Supplement · Behavioral
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 130 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2006
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- Chronic Kidney Disease, Secondary Hyperparathyroidism
- Interventions
- Cinacalcet HCl, Standard of Care
- Drug · Dietary Supplement
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 55 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 26
- States / cities
- Los Angeles, California • Wilmington, Delaware • Atlanta, Georgia + 22 more
- Conditions
- HIV Infection
- Interventions
- Vitamin D3 50,000 IU, Vitamin D3 placebo
- Dietary Supplement
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 16 Years to 24 Years
- Enrollment
- 214 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 16
- States / cities
- Los Angeles, California • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 11 more
- Conditions
- Male Osteoporosis
- Interventions
- Teriparatide or human parathyroid hormone (PTH) 1-34, Cinacalcet, placebo tablet, Calcium citrate tablet, Vitamin D3
- Drug · Dietary Supplement
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 60 Years to 85 Years · Male only
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2025
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Type 2 Diabetes
- Interventions
- vitamin D3, cholecalciferol, Inactive comparator
- Dietary Supplement
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 19 Years to 60 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010
- U.S. locations
- 1
- States / cities
- Augusta, Georgia
- 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
- Vitamin D Deficiency
- Interventions
- 1,000 IU vitamin D2, placebo capsule, mushrooms, UVB-treated mushrooms, 400 IU vitamin D2, UVB-treated mushrooms, 1,000 IU vitamin D2
- Dietary Supplement · Other
- Lead sponsor
- USDA, Western Human Nutrition Research Center
- Federal
- Eligibility
- 20 Years to 59 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Vitamin D Deficiency, Osteoporosis, Osteopenia
- Interventions
- Calcium 500mg with 200 IU Vitamin D - 2 tablets daily, Blood levels of Vitamin D, Serum CTX, Mg, Ca++ and iPTH, Usual sun exposure documentation, Dietary intake of calcium, vitamin D, magnesium
- Drug · Procedure · Behavioral
- Lead sponsor
- McLennan County Medical Education and Research Foundation
- Other
- Eligibility
- 70 Years and older · Female only
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2007
- U.S. locations
- 1
- States / cities
- Waco, Texas
- Conditions
- Obesity, Overweight
- Interventions
- Reduced energy (lite) OJ fortified with Calcium and Vitamin D, Nutrition Counseling, Reduced energy (lite) OJ without Calcium and Vitamin D
- Dietary Supplement · Behavioral
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 83 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteoporosis, Prostate Cancer
- Interventions
- cholecalciferol, calcium gluconate, zoledronic acid
- Dietary Supplement · Drug
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 53 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2008
- U.S. locations
- 3
- States / cities
- Chicago, Illinois
- 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
- Breast Cancer, Prostate Cancer, Bone Neoplasms, Hypocalcemia, Hyperparathyroidism, Secondary
- Interventions
- CTAP101 Capsules
- Drug
- Lead sponsor
- OPKO Health, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 6
- States / cities
- Long Beach, California • Miami, Florida • Evergreen Park, Illinois + 3 more
- Conditions
- Healthy
- Interventions
- Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- University of Kentucky
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
- 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
- Polycystic Ovarian Syndrome, Vitamin D Deficiency
- Interventions
- Vitamin D2 (Ergocalciferol), Medroxyprogesterone (Provera), Vitamin D3 (Cholecalciferol), Elemental Calcium
- Dietary Supplement · Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 40 Years · Female only
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- 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
- 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
- Skeletal Anomalies, Kidney Transplant; Complications
- Interventions
- measurements to evaluate metabolic bone disease, standard care
- Diagnostic Test
- Lead sponsor
- Yale University
- Other
- Eligibility
- 30 Years to 65 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut