- 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
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 170
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Juvenile Rheumatoid Arthritis
- Interventions
- Cholecalciferol, Calcium, Calcium and cholecalciferol, Placebo
- Dietary Supplement · Drug
- Lead sponsor
- University of Missouri-Columbia
- Other
- Eligibility
- 3 Years to 15 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1995 – 2002
- U.S. locations
- 1
- States / cities
- Columbia, Missouri
- Conditions
- Vitamin B6 Deficiency
- Interventions
- Arm 1 glycine and leucine, Arm 2 Intervention of Serine and methionine infusion
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 20 Years to 40 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Metabolic Syndrome
- Interventions
- vitamin D3 (cholecalciferol)
- Dietary Supplement
- Lead sponsor
- Allina Health System
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 84 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Vitamin d Deficiency
- Interventions
- Blood draw pre-operatively, Blood draw post-operative Day 1, Blood draw post-operative Day 2
- Procedure
- Lead sponsor
- University of Missouri, Kansas City
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016
- U.S. locations
- 1
- States / cities
- Kansas City, Missouri
- Conditions
- Autistic Disorder
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 20 Years to 44 Years · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2016
- U.S. locations
- 1
- States / cities
- Oregon City, Oregon
- Conditions
- Crohn's Disease, Vitamin D Deficiency
- Interventions
- Cholecalciferol 10,000 IU, Cholecalciferol 400 IU
- Drug
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 4
- States / cities
- Indianapolis, Indiana • Iowa City, Iowa • Ann Arbor, Michigan + 1 more
- Conditions
- Opioid Use Disorder
- Interventions
- [11C]-PHNO, Calcitriol, Placebo Control, PET Scan
- Drug · Dietary Supplement · Other + 1 more
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Prediabetes, Vitamin D Deficiency
- Interventions
- Cholecalciferol (vitamin D3)
- Dietary Supplement
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Cognitive Decline
- Interventions
- Souvenaid, Placebo
- Drug · Other
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 55 Years to 89 Years
- Enrollment
- 67 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Muscle Strength, Sarcopenia
- Interventions
- Placebo, Vitamin D, Beta-hydroxy-Beta-methylbutyrate, Beta-hydroxy-Beta-methylbutyrate and Vitamin D
- Dietary Supplement · Drug
- Lead sponsor
- Metabolic Technologies Inc.
- Industry
- Eligibility
- 60 Years and older
- Enrollment
- 76 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2013
- U.S. locations
- 2
- States / cities
- Ames, Iowa • Brookings, South Dakota
- Conditions
- Thyroid, PD-1, Cancer
- Interventions
- blood draw and questionnaire completion, questionnaire completion, blood collection
- Other
- Lead sponsor
- Icahn School of Medicine at Mount Sinai
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2028
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Anaplastic Medulloblastoma, Medulloblastoma
- Interventions
- Biospecimen Collection, Carboplatin, Cisplatin, Cyclophosphamide, Filgrastim, Isotretinoin, Lumbar Puncture, Magnetic Resonance Imaging, Quality-of-Life Assessment, Radiation Therapy, Vincristine Sulfate
- Procedure · Drug · Biological + 2 more
- Lead sponsor
- Children's Oncology Group
- Network
- Eligibility
- 3 Years to 22 Years
- Enrollment
- 379 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2026
- U.S. locations
- 170
- States / cities
- Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 126 more
- Conditions
- Vitamin D Deficiency, Hepatocellular Carcinoma
- Interventions
- Vitamin D3 4000 IU, Vitamin D3 2000 IU
- Drug
- Lead sponsor
- Andrea Branch
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Vitamin D Deficiency, Arterial Stiffness
- Interventions
- Low dose vitamin D3, High dose vitamin D3
- Dietary Supplement
- Lead sponsor
- Texas Tech University Health Sciences Center
- Other
- Eligibility
- 65 Years to 89 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Lubbock, Texas
- Conditions
- Vitamin D Deficiency, Nephrolithiasis
- Interventions
- vitamin D (ergocalciferol)
- Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Advanced Hepatocellular Carcinoma, Advanced Melanoma, Locally Advanced Melanoma, Metastatic Melanoma, Stage III Hepatocellular Carcinoma AJCC v8, Stage IV Hepatocellular Carcinoma AJCC v8
- Interventions
- Biospecimen Collection, Cholecalciferol, Computed Tomography, Desloratadine, Immunotherapy, Infusion Procedure, Magnesium Sulfate, Magnetic Resonance Imaging, Propranolol
- Procedure · Dietary Supplement · Drug + 1 more
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Nutrition, Healthy
- Interventions
- DHA/EPA fortified chicken plus Placebo, non-25(OH)D fortified chicken/eggs plus vitamin D3 supplement, non-DHA bio-enhanced chicken plus supplement DHA Omega-3, 25(OH)D bioenhanced chicken and eggs plus placebo, Dietary Supplement: DHA/EPA fortified eggs plus Placebo, non-DHA bio-enhanced eggs plus supplement DHA Omega-3, non-25(OH)D fortified chicken/eggs plus placebo
- Dietary Supplement · Other
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 84 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Ithaca, New York
- Conditions
- Vitamin D Deficiency, Short Bowel Syndrome
- Interventions
- Ultraviolet B lamp
- Device
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Sarcopenia
- Interventions
- Placebo, HMB plus Vitamin D, Non-Exercise, Exercise
- Dietary Supplement · Drug · Behavioral
- Lead sponsor
- Metabolic Technologies Inc.
- Industry
- Eligibility
- 60 Years and older
- Enrollment
- 238 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Ames, Iowa
- Conditions
- Ganglioneuroblastoma, Ganglioneuroblastoma, Nodular, Neuroblastoma
- Interventions
- Autologous Hematopoietic Stem Cell Transplantation, Biospecimen Collection, Bone Marrow Aspiration and Biopsy, Busulfan, Carboplatin, Cisplatin, Computed Tomography, Cyclophosphamide, Dexrazoxane Hydrochloride, Dinutuximab, Doxorubicin Hydrochloride, Echocardiography Test, Etoposide Phosphate, External Beam Radiation Therapy, Iobenguane I-123, Iobenguane I-131, Isotretinoin, Lorlatinib, Magnetic Resonance Imaging, Melphalan Hydrochloride, Multigated Acquisition Scan, Positron Emission Tomography, Sargramostim, Therapeutic Conventional Surgery, Thiotepa, Topotecan Hydrochloride, Vincristine Sulfate
- Procedure · Drug · Biological + 1 more
- Lead sponsor
- Children's Oncology Group
- Network
- Eligibility
- 365 Days to 30 Years
- Enrollment
- 750 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2030
- U.S. locations
- 152
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 121 more
- Conditions
- Colorectal Adenomatous Polyps
- Interventions
- Rectal biopsy during colonoscopy, Rectal biopsy at randomization, Rectal biopsy at 1 year, Rectal biopsy prior to colonoscopy, Biopsies during colonoscopy
- Procedure
- Lead sponsor
- Emory University
- Other
- Eligibility
- 45 Years to 75 Years
- Enrollment
- 264 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2016
- U.S. locations
- 9
- States / cities
- Los Angeles, California • Denver, Colorado • Atlanta, Georgia + 6 more
- Conditions
- Cancer
- Interventions
- Structured perioperative nutrition and exercise, Nutrition and Exercise Counseling
- Behavioral
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 55 Years and older
- Enrollment
- 188 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Diabetes Mellitus, Vitamin D Deficiency
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Ascension Health
- Industry
- Eligibility
- 34 Years to 69 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Flint, Michigan