- Conditions
- Vitamin D Deficiency, Cystic Fibrosis
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Los Angeles, California
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 631
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Vitamin D Deficiency, HIV
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 122 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Type 2 Diabetes, Vitamin D Deficiency
- Interventions
- Vitamin D2, Sugar pill
- Dietary Supplement · Other
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 12 Years to 18 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Kidney Failure, Chronic, Olfaction Disorders, Taste Disorders, Malnutrition
- Interventions
- Worsening of olfaction from enrollment visit to 6 months, Worsening of taste from enrollment visit to 6 months, Serum Zinc, Chronic rhinosinusitis, Dialysis adequacy, Decayed missing filled teeth index (DMFT)
- Other
- Lead sponsor
- Beth Israel Deaconess Medical Center
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Vitamin D Deficiency, Insulin Resistance, Insulin Sensitivity, Obesity
- Interventions
- Not listed
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 13 Years to 18 Years · Female only
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- End Stage Renal Disease
- Interventions
- Nepro nutritional supplement
- Dietary Supplement
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 352 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2009
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Tracheostomy Complication, Critical Illness, Nutritional Deficiency
- Interventions
- Feeds continued, Feeds held
- Other
- Lead sponsor
- State University of New York at Buffalo
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 6
- States / cities
- Danbury, Connecticut • West Palm Beach, Florida • Kansas City, Missouri + 3 more
- Conditions
- Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy, Vascular Calcification, Hyperparathyroidism; Secondary, Renal
- Interventions
- Etelcalcetide
- Drug
- Lead sponsor
- Thomas Nickolas, MD MS
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Arterial Dysfunction, Chronic Kidney Disease
- Interventions
- Cholecalciferol, Calcitriol
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 128 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Nutritional Deficiency
- Interventions
- Study 1: Whey Supplement Day 1, Study 1: Whey Supplement Day 2, Study 2: Whey Supplement
- Dietary Supplement
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 2 Years to 3 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Vision Loss Night, Vision Disorders
- Interventions
- 0.75% Phentolamine Ophthalmic Solution, Placebo
- Drug
- Lead sponsor
- Ocuphire Pharma, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 23
- States / cities
- Chandler, Arizona • Mesa, Arizona • Phoenix, Arizona + 18 more
- Conditions
- Vitamin D Deficiency, Covid19
- Interventions
- Vitamin D
- Other
- Lead sponsor
- Parkview Medical Center
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 50 participants
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Pueblo, Colorado
- Conditions
- Malnutrition, Pancreatic Cancer
- Interventions
- proteolytic enzymes, gemcitabine hydrochloride, Gonzalez regimen
- Biological · Drug · Procedure
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2004
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Environmental Enteric Dysfunction, Zinc Deficiency, Vitamin A Deficiency
- Interventions
- 3 mg zinc sulfate supplement, 0.5 mg of 13C10-retinyl-acetate
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Months to 24 Months
- Enrollment
- 46 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Aurora, 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
- Unspecified Adult Solid Tumor, Protocol Specific
- Interventions
- behavioral dietary intervention, educational intervention, preventative dietary intervention
- Behavioral · Other
- Lead sponsor
- Brown University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2000 – 2006
- U.S. locations
- 1
- States / cities
- Providence, Rhode Island
- Conditions
- Malnutrition
- Interventions
- Natural Orifice Translumenal Endoscopic Surgery
- Procedure
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Vitamin A, Vitamin A Deficiency, Leukoplakia, Vocal Cord Neoplasm
- Interventions
- Not listed
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 90 participants
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Lung Cancer, Small Cell, Lung Cancer Metastatic, Lung Cancer Recurrent, Treatment Side Effects, Lung Cancer, Non-small Cell, Nutritional Imbalance
- Interventions
- Nutritional Counseling, Medically Tailored Meals (MTMs), Nutrition Prescription, Nutrition Assessment, Nutrition Toolkit, Monthly Emails
- Behavioral · Other
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 299 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 4
- States / cities
- Boston, Massachusetts • Columbus, Ohio • Philadelphia, Pennsylvania + 1 more
- Conditions
- Hematopoietic Stem Cell Transplantation, Delirium, Thiamine Deficiency
- Interventions
- Thiamine, Normal saline
- Drug
- Lead sponsor
- UNC Lineberger Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 66 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Peritoneal Dialysis Complication, Hypoalbuminemia, Malnutrition
- Interventions
- increased protein intake via natural foods, increase protein intake via protein supplements
- Behavioral
- Lead sponsor
- Kaiser Permanente
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Riverside, California
- Conditions
- Wounds and Injuries
- Interventions
- Not listed
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 75 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Food Insecurity
- Interventions
- Food box delivery
- Behavioral
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Cirrhosis
- Interventions
- Rectus abdominis muscle biopsy
- Procedure
- Lead sponsor
- The Cleveland Clinic
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2027
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio