- 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
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 361–384
of 550
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Chronic Kidney Disease
- Interventions
- D6-25-hydroxyvitamin D3
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Hepatitis C
- Interventions
- Telaprevir, Peginterferon alfa-2a, Ribavirin, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Timothy Morgan, MD
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2013
- U.S. locations
- 4
- States / cities
- Long Beach, California • Minneapolis, Minnesota • Kansas City, Missouri + 1 more
- Conditions
- Hypovitaminosis D, Hypovitaminosis
- Interventions
- Vitamin Arm 1, Vitamin Arm 2, Vitamin Arm 3, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Madigan Army Medical Center
- Federal
- Eligibility
- 18 Years to 69 Years
- Enrollment
- 96 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Tacoma, Washington
- Conditions
- Obesity, Insulin Resistance, Inflammation
- Interventions
- Vitamin D, Placebo
- Dietary Supplement · Drug
- Lead sponsor
- Purdue University
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- West Lafayette, Indiana
- Conditions
- Rheumatoid Arthritis, Crohn's Disease
- Interventions
- calcitriol
- Drug
- Lead sponsor
- Atlanta VA Medical Center
- Federal
- Eligibility
- 18 Years to 50 Years · Male only
- Enrollment
- 9 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Type 2 Diabetes
- Interventions
- Vitamin D3, Omega-3 fatty acid (fish oil), Vitamin D3 placebo, Fish oil placebo
- Dietary Supplement · Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 22,220 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2024
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Prostate Cancer
- Interventions
- calcitriol, dexamethasone
- Dietary Supplement · Drug
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2006
- U.S. locations
- 2
- States / cities
- Buffalo, New York • Pittsburgh, Pennsylvania
- Conditions
- HIV Infections, AIDS
- Interventions
- Cholecalciferol (Vit D3)
- Drug
- Lead sponsor
- Children's Hospital of Philadelphia
- Other
- Eligibility
- 5 Years to 24 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Obesity, Vitamin D Deficiency
- Interventions
- Vitamin D3 and Calcium
- Dietary Supplement
- Lead sponsor
- Vadim Sherman, MD
- Other
- Eligibility
- 18 Years to 65 Years · Female only
- Enrollment
- 37 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Known or Suspected Focal Liver Lesions, Severe Renal Impairment
- Interventions
- Mangoral
- Drug
- Lead sponsor
- Ascelia Pharma AB
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 87 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2023
- U.S. locations
- 14
- States / cities
- Scottsdale, Arizona • Los Angeles, California • Stanford, California + 10 more
- Conditions
- Male Infertility
- Interventions
- Antioxidant Supplement, Placebo
- Drug · Other
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 171 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 10
- States / cities
- Los Angeles, California • San Francisco, California • Sunnyvale, California + 7 more
- Conditions
- Cutaneous Lupus Erythematosus
- Interventions
- vitamin D
- Dietary Supplement
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Vitamin D Deficiency
- Interventions
- cholecalciferol, 25(OH)D
- Dietary Supplement
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 20 Years to 60 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Anal Dysplasia, Carcinoma in Situ
- Interventions
- Gliolan, Vitamin D3 cholecalciferol), Photodynamic Therpay
- Drug · Other
- Lead sponsor
- Abramson Cancer Center at Penn Medicine
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Colorectal Cancer
- Interventions
- vitamin D repletion with Cholecalciferol (vitamin D3 50,000 International Units)
- Drug
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2014
- U.S. locations
- 5
- States / cities
- Basking Ridge, New Jersey • Commack, New York • New York, New York + 2 more
- Conditions
- Diabetes Mellitus, Chronic Kidney Disease, Diabetic Kidney Disease
- Interventions
- Cholecalciferol, Placebo
- Dietary Supplement
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Premenstrual Syndrome, Menstrual Pain
- Interventions
- DITTO Cycle Supplement
- Dietary Supplement
- Lead sponsor
- Muse Nutrition Ltd
- Industry
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Las Vegas, Nevada
- Conditions
- Vitamin D Deficiency, End-stage Renal Disease
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Mehrotra, Anita, M.D.
- Individual
- Eligibility
- 18 Years and older
- Enrollment
- 116 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- SARS-CoV Infection
- Interventions
- Vitamin D3 or Placebo, Doctella telehealth monitoring
- Drug · Device
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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
- Eye Health, Vision, Cognitive Function
- Interventions
- VisionPure Dietary Supplement, Placebo
- Dietary Supplement
- Lead sponsor
- Applied Science & Performance Institute
- Industry
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 3
- States / cities
- Lutz, Florida • Tampa, Florida
- Conditions
- Stage IV Colon Cancer, Stage IV Rectal Cancer
- Interventions
- leucovorin calcium, bevacizumab, cholecalciferol, fluorouracil, oxaliplatin, pharmacological study
- Drug · Biological · Dietary Supplement + 1 more
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 18 Years to 79 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Prostate Cancer
- Interventions
- calcitriol, zoledronic acid
- Dietary Supplement · Drug
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 18 Years and older · Male only
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2004
- U.S. locations
- 1
- States / cities
- New York, New York