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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Vitamin D + Exercise Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Improving Community Ambulation After Hip Fracture

NCT01783704
View directory record Official record
Conditions
Hip Fracture
Interventions
Nutrition, PUSH, PULSE
Dietary Supplement · Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
60 Years and older
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
4
States / cities
Farmington, Connecticut • Baltimore, Maryland • Lebanon, New Hampshire + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Curves 30/30 Study

NCT04344821
View directory record Official record
Conditions
Weight Loss
Interventions
Curves Calcium, Placebo
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Sep 10, 2026, 1:32 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

PUSH Plus Protein Pilot for Hip Fracture Patients

NCT03410823
View directory record Official record
Conditions
Hip Fracture
Interventions
PUSH, Protein, Nutrition
Behavioral · Dietary Supplement
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Baltimore, Maryland • Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Phase 4 Interventional Results available

Maintain Respiratory Muscle Function and Reduce Pneumonia Risk in Cancer Patients

NCT03469271
View directory record Official record
Conditions
Cancer
Interventions
1,25 (OH)2 D3, Inspiratory isometric resistance training, Oral Placebo, Sham Inspiratory Isometric Resistance Training, Threshold Inspiratory Muscle Trainer (IMT)
Drug · Other · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Nutritional Intervention for Age-related Muscular Function and Strength Losses-Study 2

NCT02043171
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 10, 2019 · Synced Sep 10, 2026, 1:32 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Vitamin D Supplementation and Metabolism in Vitamin D Deficient Elderly

NCT01145703
View directory record Official record
Conditions
Vitamin D Deficiency, Metabolic Syndrome
Interventions
RDA Vitamin D3 only, Vitamin D2/3 Repletion only, Vitamin D2/3 Repletion + AEX, Vitamin D2/3 Repletion + RT
Dietary Supplement · Other
Lead sponsor
Baltimore VA Medical Center
Federal
Eligibility
40 Years to 85 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 4, 2014 · Synced Sep 10, 2026, 1:32 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

: Vascular Function in Health and Disease

NCT02966665
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Artery Hypertension, Heart Failure, Hypertension
Interventions
Maximum Exercise Tests, BH4, L-NMMA, Vitamin C, Vitamin E, α-Lipoic Acid and L-Ascorbate, BQ-123, Fexofenadine, Ranitidine, Angiotensin-II, Valsartan, Acetylcholine, Sodium Nitroprusside, Angiotensin-II, Norepinephrine, Phentolamine, BQ-123, MitoQ, BH4
Other · Drug
Lead sponsor
Russell Richardson
Other
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2026
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Patient Activation After DXA Result Notification

NCT01507662
View directory record Official record
Conditions
Osteoporosis, Bone Diseases, Metabolic
Interventions
Bone Mineral Density Result Letter and Bone Health Brochure
Behavioral
Lead sponsor
Fredric D Wolinsky
Other
Eligibility
50 Years and older
Enrollment
7,749 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
3
States / cities
Birmingham, Alabama • Atlanta, Georgia • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 9, 2020 · Synced Sep 10, 2026, 1:32 AM EDT
Active, not recruiting Not applicable Interventional

The TRIABETES - ARMMS-T2D Study: A Randomized Trial to Compare Surgical and Medical Treatments for Type 2 Diabetes

NCT01047735
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
Roux-en-Y Gastric Bypass Surgery, Laparoscopic Adjustable Gastric Banding, Lifestyle Weight Loss Intervention
Procedure · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
25 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Phase 2 Interventional Results available

Calcitriol, Physical Activity, and Bone Health in Cancer Survivors

NCT00904033
View directory record Official record
Conditions
Breast Neoplasms, Bone and Bones
Interventions
Calcitriol, Exercise, Multivitamin
Drug · Behavioral · Dietary Supplement
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Sep 10, 2026, 1:32 AM EDT
Not listed Not applicable Interventional

Lifestyle Intervention Program for Cognitive Impairment

NCT02741804
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
BBH-1001 Brain Health Supplement, Lifestyle Intervention, Brain Health Placebo
Dietary Supplement · Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
55 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 26, 2016 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Precision Nutrition Impact on Health-Related Behavior Change

NCT04959318
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Professional nutrition counseling, No professional nutrition counseling
Other
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years to 45 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 10, 2026, 1:32 AM EDT
Not listed Not applicable Interventional

Combined Effects of Diabetes Self-Management Education and Nutritional Supplementation on Visual Function and Retinopathy

NCT04120077
View directory record Official record
Conditions
Diabetes Mellitus, Diabetic Retinopathy
Interventions
EyePromise DVS, EyePromise DVS plus EyePromise EZTears
Dietary Supplement
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 22, 2021 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D and Muscle Metabolic Function

NCT02221596
View directory record Official record
Conditions
Healthy
Interventions
vitamin D, aerobic training
Dietary Supplement · Other
Lead sponsor
David Travis Thomas
Other
Eligibility
60 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 14, 2018 · Synced Sep 10, 2026, 1:32 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Exercise and Yogurt on Bone Mineral Density and Immunological Factors in Human Milk: The MEEMA Study

NCT03732261
View directory record Official record
Conditions
Lactational Amenorrhea, Body Weight Changes, Bone Loss
Interventions
Exercise and dietary
Other
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 40 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Not applicable Interventional

Prevention of Osteoporosis in Breast Cancer Survivors

NCT00567606
View directory record Official record
Conditions
Postmenopausal Osteoporosis
Interventions
Strength/Weight Training & Drug/Supplement, Drug/Supplement only
Other · Combination Product
Lead sponsor
University of Nebraska
Other
Eligibility
35 Years to 75 Years · Female only
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
4
States / cities
Kearney, Nebraska • Lincoln, Nebraska • Omaha, Nebraska + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Sep 10, 2026, 1:32 AM EDT
Completed No phase listed Observational

Pathogenesis of Compromised Bone Quality and Mechanics in Chronic Kidney Disease

NCT03626246
View directory record Official record
Conditions
Chronic Kidney Disease, End Stage Kidney Disease, Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy, Secondary Hyperparathyroidism
Interventions
Kidney disease
Other
Lead sponsor
Columbia University
Other
Eligibility
40 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 12, 2021 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Phase 2 Interventional Results available

Treatment for Non-Alcoholic Fatty Liver With Different Doses of Vitamin E

NCT01792115
View directory record Official record
Conditions
Fatty Liver
Interventions
Vitamin E 200 IU/d, Vitamin E 400 IU/d, Vitamin E 800 IU/d, Diet and Exercise
Drug · Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Ergogenic Effects of Sportlegs

NCT06371521
View directory record Official record
Conditions
Performance Enhancing Product Use
Interventions
Sportlegs, Placebo
Dietary Supplement
Lead sponsor
Christopher Bell
Other
Eligibility
18 Years to 30 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Study on Muscle Soreness, Damage, and Performance

NCT04230226
View directory record Official record
Conditions
Soreness, Muscle, Performance Enhancing Product Use, Damage Muscle
Interventions
Pre-workout plus and protein recovery plus, Placebo
Dietary Supplement · Other
Lead sponsor
Pharmanex
Industry
Eligibility
25 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Sep 10, 2026, 1:32 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Vitamin D and Physical Activity on Bone Health

NCT01419730
View directory record Official record
Conditions
Bone Metabolism Biomarkers, Bone Mineral Density, Physical Fitness
Interventions
Vitamin D3, Physical Activity
Drug · Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Muscle Metabolic Function in Older Adults With Different Vitamin D Status Before and After Exercise

NCT02485197
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
7 continuous days of aerobic training
Other
Lead sponsor
David Travis Thomas
Other
Eligibility
65 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 16, 2017 · Synced Sep 10, 2026, 1:32 AM EDT
Terminated Not applicable Interventional

Surgical vs. Lifestyle in Obese Older Adults

NCT03137329
View directory record Official record
Conditions
Obesity
Interventions
Exercise program, Nutrition, WLS
Behavioral · Dietary Supplement · Procedure
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
55 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Sep 10, 2026, 1:32 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Exercise and NutraStem (NT-020): Effects on Stem Cells

NCT01847027
View directory record Official record
Conditions
Adult Stem Cell Proliferation
Interventions
NutraStem, Placebo
Drug
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
50 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced Sep 10, 2026, 1:32 AM EDT