- Conditions
- CKD Stage 3/4
- Interventions
- Vitamin D 2mg daily for 2 weeks oral paricalcitol, Placebo
- Drug
- Lead sponsor
- University of Illinois at Chicago
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
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 409–432
of 959
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Low Bone Density
- Interventions
- Teriparatide, Alendronate, calcium and vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 50 Years to 80 Years · Female only
- Enrollment
- 55 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2020
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Diabetes Mellitus, Type 2
- Interventions
- pioglitazone, rosiglitazone, placebo, Vitamin D, Placebo
- Drug · Dietary Supplement
- Lead sponsor
- GlaxoSmithKline
- Industry
- Eligibility
- 50 Years and older
- Enrollment
- 1,332 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 23
- States / cities
- Long Beach, California • Los Angeles, California • Northridge, California + 19 more
- Conditions
- Renal Insufficiency, Chronic, Kidney Failure, Chronic
- Interventions
- NanoD4CKD, MicroD4CKD
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Osteoporosis
- Interventions
- Vitamin D3, Multivitamin
- Drug · Dietary Supplement
- Lead sponsor
- Leigh Eck, MD
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Kansas City, Missouri
- 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
- Osteoporosis
- Interventions
- Teriparatide, Alendronate, Calcium, Vitamin D, Placebo-Oral, Placebo-SC
- Drug · Dietary Supplement
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years to 85 Years · Female only
- Enrollment
- 203 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2003
- U.S. locations
- 15
- States / cities
- Mobile, Alabama • Tustin, California • Lakewood, Colorado + 12 more
- Conditions
- Hypovitaminosis D
- Interventions
- Cholecalciferol, Placebo
- Dietary Supplement
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Seasonal Allergic Rhinitis
- Interventions
- Vitamin D3, Placebo, Fluticasone Propionate
- Drug
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Diabetes, Depression, Quality of Life
- Interventions
- Vitamin D3, Vitamin D3 comparator
- Drug
- Lead sponsor
- Loyola University
- Other
- Eligibility
- 21 Years and older · Female only
- Enrollment
- 265 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Maywood, Illinois
- Conditions
- Migraine
- Interventions
- Simvastatin, Vitamin D, Placebo
- Drug · Dietary Supplement · Other
- Lead sponsor
- Rami Burstein
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 89 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Chronic Plaque Psoriasis
- Interventions
- Calcitriol 3mcg/g
- Drug
- Lead sponsor
- Galderma R&D
- Industry
- Eligibility
- 12 Years to 17 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 5
- States / cities
- Little Rock, Arkansas • San Diego, California • Eagan, Minnesota + 2 more
- Conditions
- Family Member
- Interventions
- Bio-D-Mulsion Forte®, Placebo
- Dietary Supplement · Other
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 101 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Menopause
- Interventions
- Egg consumption, Control
- Behavioral
- Lead sponsor
- Purdue University
- Other
- Eligibility
- 19 Years and older · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- West Lafayette, Indiana
- Conditions
- Primary Hyperparathyroidism, Vitamin D Deficiency
- Interventions
- 10,000 IU Vitamin D3, Placebo, Vitamin D
- Drug · Other · Dietary Supplement
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 9 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Nutritional Status, Serum Biomarkers
- Interventions
- Dietary Supplement (Kids Multi & Omegas)
- Dietary Supplement
- Lead sponsor
- SF Research Institute, Inc.
- Network
- Eligibility
- 4 Years to 15 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Burn, Growth, Malnutrition
- Interventions
- Calcium,Vitamin D, Calcium, VitaminD, Sugar Pill
- Dietary Supplement · Other
- Lead sponsor
- Kathy Prelack, PhD, RD
- Other
- Eligibility
- 4 Years to 18 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2007
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Hip Fracture
- Interventions
- PUSH, Protein, Nutrition
- Behavioral · Dietary Supplement
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2020
- U.S. locations
- 2
- States / cities
- Baltimore, Maryland • Towson, Maryland
- Conditions
- COVID-19
- Interventions
- Resveratrol, Vitamin D3
- Drug · Dietary Supplement
- Lead sponsor
- Marvin McCreary, MD
- Other
- Eligibility
- 45 Years and older
- Enrollment
- 105 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Vitamin D Inadequacy, Vitamin D Deficiency
- Interventions
- Cholecalciferol (vitamin D3), Ergocalciferol (vitamin D2), Placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 64 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Prostate Cancer
- Interventions
- cholecalciferol
- Dietary Supplement
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 18 Years to 120 Years · Male only
- Enrollment
- 148 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2013
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Vitamin D Deficiency, Gastrointestinal Diseases
- Interventions
- Sperti Lamp
- Device
- Lead sponsor
- Boston University
- Other
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteoporosis, Prostate Cancer
- Interventions
- calcium carbonate, cholecalciferol, Estrogen Antagonists, risedronate sodium, placebo
- Dietary Supplement · Drug · Other
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 71 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2010
- U.S. locations
- 112
- States / cities
- Scottsdale, Arizona • Jacksonville, Florida • Aurora, Illinois + 71 more
- Conditions
- Precancerous/Nonmalignant Condition, Prostate Cancer
- Interventions
- calcitriol, observation
- Dietary Supplement · Procedure
- Lead sponsor
- Rutgers, The State University of New Jersey
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2011
- U.S. locations
- 5
- States / cities
- East Brunswick, New Jersey • Morristown, New Jersey • New Brunswick, New Jersey + 1 more