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ClinicalTrials.gov public records Last synced Nov 15, 2026, 2:28 PM EST

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Showing 1–13 of 13 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Vitamin D versus placebo Clear all
Terminated Not applicable Interventional

Using Cinacalcet to Treat the Hypophosphatemia of Early Kidney Transplant

NCT01011114
View directory record Official record
Conditions
Hypophosphatemia, Renal Transplant
Interventions
Cinacalcet, Placebo
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Nov 15, 2026, 2:28 PM EST
Completed Not applicable Interventional Accepts healthy volunteers Results available

Misoprostol Versus Dilapan-S for Cervical Preparation

NCT00835731
View directory record Official record
Conditions
Cervical Ripening
Interventions
misoprostol, Dilapan-S, vitamin B-12
Drug · Device
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years and older · Female only
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 23, 2017 · Synced Nov 15, 2026, 2:28 PM EST
Completed Phase 2 Interventional Results available

Cholecalciferol and Genistein Before Surgery in Treating Patients With Early Stage Prostate Cancer

NCT01325311
View directory record Official record
Conditions
Prostate Adenocarcinoma, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer
Interventions
Cholecalciferol, Genistein, Laboratory Biomarker Analysis, Pharmacological Study, Placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
11
States / cities
Birmingham, Alabama • Baltimore, Maryland • Burlington, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2016 · Synced Nov 15, 2026, 2:28 PM EST
Terminated Phase 3 Interventional Results available

Fixation Using Alternative Implants for the Treatment of Hip Fractures (FAITH-2)

NCT01908751
View directory record Official record
Conditions
Femoral Neck Fractures
Interventions
Sliding Hip Screw, Cancellous Screws, Vitamin D, Vitamin D Placebo
Procedure · Drug
Lead sponsor
McMaster University
Other
Eligibility
18 Years to 60 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
10
States / cities
Phoenix, Arizona • San Francisco, California • Gainesville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2020 · Synced Nov 15, 2026, 2:28 PM EST
Completed Not applicable Interventional Results available

Vascular Reactivity in Chronic Kidney Disease (CKD) Patients Receiving Paricalcitol Versus Placebo

NCT00915876
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Paricalcitol, Placebo
Drug
Lead sponsor
Amy Barton Pai
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2016 · Synced Nov 15, 2026, 2:28 PM EST
Completed Phase 3 Interventional

Rhinitis in the Elderly: The Role of Vitamin D

NCT02272101
View directory record Official record
Conditions
Rhinitis
Interventions
Vitamin D versus placebo
Dietary Supplement
Lead sponsor
Rohr and Columbo Asthma, Allergy and Immunology Specialists, P.C.
Other
Eligibility
65 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Bryn Mawr, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 22, 2014 · Synced Nov 15, 2026, 2:28 PM EST
Withdrawn Not applicable Interventional Accepts healthy volunteers

Vitamin D Versus Placebo in the Treatment of Vague Musculoskeletal Pain in Children

NCT00944606
View directory record Official record
Conditions
Hypovitaminosis D
Interventions
Vitamin D, Placebo candy
Dietary Supplement · Other
Lead sponsor
University of New Mexico
Other
Eligibility
5 Years to 14 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Mar 1, 2012 · Synced Nov 15, 2026, 2:28 PM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Aromatase Inhibition Versus Testosterone in Older Men With Low Testosterone: Randomized-Controlled Trial.

NCT00104572
View directory record Official record
Conditions
Hypogonadism, Diabetes, Sarcopenia, Osteoporosis, Depression
Interventions
Androgel (Testosterone Gel), Anastrozole (Aromatase Inhibitor), Placebo tablet, Placebo gel, Calcium Cardone 500mg with vitamin D 400 IU
Drug · Dietary Supplement
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
65 Years and older · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 6, 2018 · Synced Nov 15, 2026, 2:28 PM EST
Completed Not applicable Interventional Results available

Effects of Zoledronic Acid Versus Alendronate on Bone Loss After Kidney and Kidney/Pancreas Transplants

NCT00580047
View directory record Official record
Conditions
Renal Insufficiency
Interventions
Zoledronic Acid, Calcium with vitamin D, Alendronate
Drug · Combination Product
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2014
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Nov 15, 2026, 2:28 PM EST
Completed Phase 2 Interventional Results available

Bone Mass and Strength After Kidney Transplantation

NCT02224144
View directory record Official record
Conditions
End Stage Renal Disease, Kidney Transplantation, Bone Loss, Fractures, Vascular Calcifications
Interventions
Vitamin D3, Calcitriol, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Nov 15, 2026, 2:28 PM EST
Suspended Phase 2 Interventional

A Study of Gemcitabine ± Erlotinib and DN-101 Versus Gemcitabine ± Erlotinib and Placebo in Patients With Advanced Pancreatic Cancer

NCT00536770
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
placebo + gemcitabine + erlotinib, Placebo + gemcitabine, calcitriol + gemcitabine, calcitriol + gemcitabine + erlotinib
Drug
Lead sponsor
Novacea
Industry
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 6, 2007 · Synced Nov 15, 2026, 2:28 PM EST
Not listed Phase 4 Interventional Accepts healthy volunteers

Vitamin D and Glucose Metabolism in Pediatrics

NCT01386736
View directory record Official record
Conditions
Insulin Resistance, Obesity, Vitamin D25 Insufficiency
Interventions
Vitamin D drops, Placebo drops
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
7 Years to 18 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2011 · Synced Nov 15, 2026, 2:28 PM EST
Completed Phase 3 Interventional Results available

Zoledronate in Preventing Skeletal (Bone)-Related Events in Men Who Are Receiving Androgen Deprivation Therapy For Prostate Cancer and Bone Metastases

NCT00079001
View directory record Official record
Conditions
Metastatic Cancer, Prostate Cancer
Interventions
zoledronic acid, placebo, androgen deprivation therapy, GnRH agonist, Calcium supplement, Vitamin D
Drug · Other · Dietary Supplement
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Male only
Enrollment
645 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2014
U.S. locations
238
States / cities
Mobile, Alabama • Fort Smith, Arkansas • Little Rock, Arkansas + 159 more
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Nov 15, 2026, 2:28 PM EST