- Conditions
- Colorectal Cancer
- Interventions
- Vitamin D intervention, Placebo intervention
- Dietary Supplement
- Lead sponsor
- Baylor University
- Other
- Eligibility
- 18 Years to 79 Years
- Enrollment
- 43 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Waco, Texas
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 1–24
of 98
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Food Allergy in Children
- Interventions
- Skin tape stripping, Skin barrier assessment, Blood draw
- Diagnostic Test · Device
- Lead sponsor
- National Jewish Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 160 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Denver, Colorado
- Conditions
- Vitamin D Deficiency, Cystic Fibrosis
- Interventions
- High-Dose Vitamin D3, Stool Sample, Sputum Sample, Sham Comparator, Blood draw
- Dietary Supplement · Other · Procedure
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 41 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Nonmelanoma Skin Cancer, Basal Cell Carcinoma, Squamous Cell Carcinoma
- Interventions
- Vitamin D (VitD), Placebo, Photodynamic therapy (PDT), Mohs surgery or electrodessication & curettage (ED&C) (standard of care)
- Dietary Supplement · Other · Procedure
- Lead sponsor
- Case Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 54 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Osteoporosis, Hypomagnesemia
- Interventions
- EffCaMgCit, Placebo
- Drug · Other
- Lead sponsor
- University of Texas Southwestern Medical Center
- Other
- Eligibility
- 21 Years to 99 Years
- Enrollment
- 62 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Thyroid Cancer
- Interventions
- Not listed
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 111 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- 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
- Osteopenia
- Interventions
- Calcium Carbonate, Vitamin D3, Risedronate, Bone-loading exercises
- Drug · Behavioral
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older · Female only
- Enrollment
- 276 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2019
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Overweight, Childhood Obesity
- Interventions
- Attention to BMI, Attention to high-BMI-related Medical Risk, No attention to high BMI or high-BMI-related medical risk
- Other
- Lead sponsor
- University of Texas Southwestern Medical Center
- Other
- Eligibility
- 6 Years to 12 Years
- Enrollment
- 7,192 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2015
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Type 2 Diabetes
- Interventions
- Dietary Intervention Meetings
- Behavioral
- Lead sponsor
- University of South Carolina
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 63 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Columbia, South Carolina
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D-enriched mushrooms, Study Powder
- Other
- Lead sponsor
- Purdue University
- Other
- Eligibility
- 30 Years to 69 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- West Lafayette, Indiana
- Conditions
- Hemophilia A, Hemophilia B, Vitamin D Deficiency
- Interventions
- Vitamin D and calcium
- Dietary Supplement
- Lead sponsor
- Virginia Commonwealth University
- Other
- Eligibility
- 2 Years to 21 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Richmond, Virginia
- Conditions
- Hypovitaminosis D
- Interventions
- Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 113 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina
- Conditions
- Osteopenia
- Interventions
- bisphosphonate therapy (risedronate), Vitamin D supplement, Calcium
- Drug · Dietary Supplement
- Lead sponsor
- State University of New York - Upstate Medical University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2008
- U.S. locations
- 1
- States / cities
- Syracuse, New York
- Conditions
- Retinitis Pigmentosa
- Interventions
- Vitamin A, Docosahexaenoic acid, Control fatty acid
- Dietary Supplement
- Lead sponsor
- Carol Weigel DiFranco
- NIH
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 221 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 1996 – 2002
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteogenesis Imperfecta
- Interventions
- Vitamin D, Calcium
- Dietary Supplement
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 5 Years to 19 Years
- Enrollment
- 71 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- End Stage Renal Disease, Hemodialysis, Inflammatory Response, Cardiovascular Disease
- Interventions
- paricalcitol
- Drug
- Lead sponsor
- Renal Research Institute
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2007
- U.S. locations
- 3
- States / cities
- New York, New York
- Conditions
- Libido, Intimacy, Gastrointestinal Issues
- Interventions
- Reset, Stay Ready Fiber, Libido, Testosterone supplement
- Dietary Supplement
- Lead sponsor
- 906 CMVI Holdings
- Industry
- Eligibility
- 18 Years to 44 Years · Male only
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Santa Monica, California
- Conditions
- Vitamin D Deficiency
- Interventions
- cholecalciferol.
- Drug
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2007
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Prematurity; Extreme
- Interventions
- Vitamin D supplementation, No additional vitamin D supplementation
- Dietary Supplement · Other
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 1 Day to 4 Days
- Enrollment
- 126 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Ectonucleotide Pyrophosphatase/Phosphodiesterase1 Deficiency, Autosomal Recessive Hypophosphatemic Rickets, Generalized Arterial Calcification of Infancy
- Interventions
- INZ-701, Control Arm (Conventional Therapy)
- Drug
- Lead sponsor
- Inozyme Pharma
- Industry
- Eligibility
- 1 Year to 12 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 3
- States / cities
- Chicago, Illinois • Philadelphia, Pennsylvania • Fort Worth, Texas
- Conditions
- Warts
- Interventions
- Vitamin D3, Placebo
- Drug
- Lead sponsor
- Stephen P. Merry
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 77 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Chronic Lymphocytic Leukemia, Non-Hodgkin Lymphoma, Untreated Chronic Lymphocytic Leukemia, Vitamin D Deficiency
- Interventions
- Cholecalciferol, Laboratory Biomarker Analysis
- Dietary Supplement · Other
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 197 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2025
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Insulin Sensitivity
- Interventions
- Not listed
- Lead sponsor
- University of Illinois Chicago
- Other
- Eligibility
- 21 Years to 49 Years · Female only
- Enrollment
- 76 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Chicago, Illinois