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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

A Study to Assess the Impact of a Nutritional Supplement on Wellbeing and Nutrient Absorption

NCT06749808
Conditions
Nutrition Status
Interventions
Carotenoid Nutritional Supplement, Placebo
Dietary Supplement
Lead sponsor
Pharmanex
Industry
Eligibility
20 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Provo, Utah
Conditions
Chronic Kidney Disease, Stage 5, Secondary Hyperparathyroidism
Interventions
Zemplar® injection, Hectorol® injection
Drug
Lead sponsor
Abbott
Industry
Eligibility
20 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
2
States / cities
Bellevue, Nebraska • Omaha, Nebraska
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Mineral Absorption in Infants Fed Infant Formula

NCT00366873
Conditions
Healthy
Interventions
Calcium absorption
Procedure
Lead sponsor
Mead Johnson Nutrition
Industry
Eligibility
56 Days to 70 Days
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
5
States / cities
Coralville, Iowa • Louisville, Kentucky • Omaha, Nebraska + 2 more
Completed Not applicable Interventional Results available

Calcium Absorption in Patients With Rothmund-Thomson Syndrome

NCT01304407
Conditions
Rothmund-Thomson Syndrome
Interventions
Calcium stable isotope
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
4 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Houston, Texas
Conditions
Weight Loss
Interventions
Caloric restriction, high protein, Caloric restriction; normal protein, Nutrition Education
Behavioral
Lead sponsor
Rutgers University
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Postmenopausal, Vitamin D Deficiency
Interventions
Dual isotope technique
Other
Lead sponsor
Winthrop University Hospital
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Mineola, New York
Recruiting Not applicable Interventional Accepts healthy volunteers

Nutrition to Support Postoperative Recovery

NCT07109505
Conditions
Postoperative Care, Postoperative Complications, Cognition, Nutritional Assessment, Nutritional Intervention
Interventions
Nutritional Shake, Nutritional Instructions Only
Dietary Supplement · Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
70 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Completed No phase listed Observational Accepts healthy volunteers

Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients

NCT03360435
Conditions
Bariatric Surgery Candidate, Vitamin Deficiency, Mineral Deficiency
Interventions
Patch MD MultiVitamin Plus patch
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Dexlansoprazole on Bone Homeostasis

NCT01216293
Conditions
Homeostasis, Bone and Bones
Interventions
Dexlansoprazole, Esomeprazole, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
Up to 75 Years · Female only
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
12
States / cities
San Diego, California • Walnut Creek, California • Lakewood, Colorado + 9 more
Conditions
Osteoporosis
Interventions
Low protein diet
Other
Lead sponsor
Yale University
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Completed No phase listed Observational Results available

Evaluation of Micropore"s SpiraLith Absorbents

NCT02550470
Conditions
Airway Management During Operative Procedure
Interventions
Carbon Dioxide Absorbents, Micropore SpiraLith, Sevoflurane
Device · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
Not listed
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Newark, New Jersey
Conditions
Dyslipidemia
Interventions
AZD0780, Ezetimibe, Rosuvastatin, Bempedoic Acid, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 75 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Glendale, California • Brooklyn, Maryland
Conditions
Osteoporosis
Interventions
SB-751689 oral tablets (400 mg)
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Port Orange, Florida
Completed Phase 4 Interventional Results available

Vitamin D and Coronary Calcification Study

NCT00752102
Conditions
Chronic Kidney Disease, Vitamin D Deficiency, Coronary Calcification, Disorders of Calcium and Bone Metabolism
Interventions
Calcitriol (Rocaltrol®), Paricalcitol
Drug
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
25 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Calcium and Phytate on Zinc Absorption

NCT00754390
Conditions
Dietary Zinc Absorption
Interventions
Moderate Calcium, Low phytate Diet, Moderate Calcium, High Phytate Diet, High Calcium, Low Phytate Diet, High Calcium, High Phytate Diet
Dietary Supplement
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
21 Years to 50 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Grand Forks, North Dakota
Conditions
Weight Loss, Vitamin D or Placebo
Interventions
Weight Loss, Vitamin D 2500 IU, Weight Maintenance
Behavioral · Dietary Supplement
Lead sponsor
Rutgers University
Other
Eligibility
50 Years to 72 Years · Female only
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
New Brunswick, New Jersey
Completed Not applicable Interventional Accepts healthy volunteers

Dose Effects of SCF on Calcium Metabolism and GI Microflora in Adolescents

NCT01660503
Conditions
Osteoporosis
Interventions
0 grams SCF, 10 grams SCF, 20 grams SCF
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
9 Years to 13 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
West Lafayette, Indiana
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Weight Loss and Dietary Protein Intake on Bone

NCT00473031
Conditions
Weight Loss, Bone Density
Interventions
Caloric restriction, high protein, Caloric restriction; normal protein, Counseling
Behavioral
Lead sponsor
Rutgers University
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Brunswick, New Jersey
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Effect of Protein on Calcium Absorption and Gastric Acid Production

NCT00719160
Conditions
Osteoporosis
Interventions
esomeprazole, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tumor Necrosis Factor Decreases Vitamin D Dependant Calcium Absorption

NCT00427804
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
Osteoporosis, Sarcopenia
Interventions
potassium bicarbonate, Placebo (microcrystalline cellulose)
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Weight Loss on Bone in Men

NCT00472745
Conditions
Weight Loss, BMD
Interventions
Weight Loss, Weight Maintenance
Behavioral
Lead sponsor
Rutgers University
Other
Eligibility
50 Years to 72 Years · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
New Brunswick, New Jersey
Recruiting Not applicable Interventional Accepts healthy volunteers

Gut Oxalate Absorption in Calcium Oxalate Stone Disease

NCT06331546
Conditions
Kidney Stone, Kidney Calculi, Urolithiasis, Urolithiasis, Calcium Oxalate, Nephrolithiasis, Nephrolithiasis, Calcium Oxalate, Oxalate Urolithiasis, Oxaluria, Healthy
Interventions
Low-oxalate diet, High-oxalate diet, soluble oxalate gut absorption test
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2031
U.S. locations
2
States / cities
Birmingham, Alabama • Dallas, Texas