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ClinicalTrials.gov public records Last synced Oct 17, 2026, 1:13 PM EDT

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Showing 1–24 of 235 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Calcium/Vitamin D Clear all
Completed Phase 3 Interventional

Effects of Teriparatide in the Treatment of Postmenopausal Women With Osteoporosis

NCT00670501
View directory record Official record
Conditions
Osteoporosis, Postmenopausal
Interventions
teriparatide, Placebo, Calcium Supplement, Vitamin D Supplement
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
30 Years to 85 Years · Female only
Enrollment
1,637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 1999
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 1, 2008 · Synced Oct 17, 2026, 1:13 PM EDT
Terminated Not applicable Interventional Results available

Stem Cell Recruitment in Osteoporosis Therapy

NCT01656629
View directory record Official record
Conditions
Low Bone Density
Interventions
Teriparatide, Alendronate, calcium and vitamin D
Drug · Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years to 80 Years · Female only
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2020 · Synced Oct 17, 2026, 1:13 PM 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 13, 2021 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Phase 3 Interventional

Risedronate in Preventing Bone Loss in Premenopausal Women Receiving Chemotherapy for Primary Breast Cancer

NCT00054418
View directory record Official record
Conditions
Breast Cancer, Osteoporosis
Interventions
calcium carbonate, vitamin D, risedronate sodium, placebo
Dietary Supplement · Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
198
States / cities
Mobile, Alabama • Scottsdale, Arizona • Aurora, Colorado + 124 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2016 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Phase 1 Interventional

Arsenic Trioxide and Ascorbic Acid Combined With Bortezomib, Thalidomide, and Dexamethasone in Treating Patients With Relapsed or Refractory Multiple Myeloma or Plasma Cell Leukemia

NCT00258245
View directory record Official record
Conditions
Multiple Myeloma and Plasma Cell Neoplasm
Interventions
ascorbic acid, arsenic trioxide, bortezomib, dexamethasone, thalidomide, Aspirin
Dietary Supplement · Drug
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 29, 2013 · Synced Oct 17, 2026, 1:13 PM EDT
Recruiting Phase 3 Interventional

Pediatric Safety Follow-up Study of Prior Treatment With Romosozumab for Osteogenesis Imperfecta

NCT07366086
View directory record Official record
Conditions
Osteogenesis Imperfecta
Interventions
Vitamin D, Calcium
Dietary Supplement
Lead sponsor
Amgen
Industry
Eligibility
5 Years to 19 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 17, 2026, 1:13 PM 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 12, 2024 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Phase 3 Interventional Results available

A Severity-Adapted Clinical Trial of Diminished Bone Mineral Density in Acute Lymphoblastic Leukemia Survivors

NCT00186901
View directory record Official record
Conditions
Leukemia, Lymphoblastic, Acute, Osteoporosis
Interventions
Calcium carbonate (Tums), vitamin D, Placebo
Drug · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
429 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
3
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Phase 3 Interventional Results available

Calcium and Vitamin D to Optimize Bone Mass in Boys With Risperidone-induced Hyperprolactinemia

NCT00799383
View directory record Official record
Conditions
Risperidone-induced Hyperprolactinemia
Interventions
Calcium and Vitamin D, Placebo
Drug · Other
Lead sponsor
Chadi A. Calarge
Other
Eligibility
5 Years to 17 Years · Male only
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women

NCT01052051
View directory record Official record
Conditions
Cancer
Interventions
Vitamin D3, Calcium carbonate
Dietary Supplement
Lead sponsor
Creighton University
Other
Eligibility
55 Years and older · Female only
Enrollment
2,303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Fremont, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Early Phase 1 Interventional

High Dose Vit D Musculoskeletal Symptoms & Bone Density in Anastrozole-Treated Breast Cancer With Marginal Vit D Status

NCT00263185
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Vitamin D, Calcium carbonate, Vitamin D, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 22, 2014 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Calcium and Vitamin D Supplementation Decreases Incidence of Stress Fractures in Female Navy Recruits

NCT00476346
View directory record Official record
Conditions
Stress Fracture
Interventions
Calcium & Vitamin D
Dietary Supplement
Lead sponsor
Creighton University
Other
Eligibility
Female only
Enrollment
5,201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2006
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Oct 17, 2026, 1:13 PM 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 10, 2020 · Synced Oct 17, 2026, 1:13 PM EDT
Withdrawn Phase 3 Interventional

Therapeutic Benefit of Preoperative Supplemental Vitamin D in Patients Undergoing Major Surgical Procedures.

NCT02138591
View directory record Official record
Conditions
Vitamin d Deficiency
Interventions
Blood draw pre-operatively, Blood draw post-operative Day 1, Blood draw post-operative Day 2
Procedure
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 16, 2017 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study of Bone Turnover Markers in Post-Menopausal Women With Osteoporosis Treated With Monthly Boniva (Ibandronate)

NCT00303485
View directory record Official record
Conditions
Post Menopausal Osteoporosis
Interventions
Placebo, Vitamin D and calcium supplementation, ibandronate [Bonviva/Boniva]
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
65 Years and older · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
7
States / cities
Beverly Hills, California • La Jolla, California • Augusta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated May 2, 2016 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Phase 4 Interventional Results available

Zoledronic Acid for Osteoporotic Fracture Prevention (ZEST II)

NCT02589600
View directory record Official record
Conditions
Osteoporotic Fractures, Osteoporosis, Postmenopausal
Interventions
Zoledronic acid, vitamin D, calcium, Saline
Drug · Dietary Supplement · Other
Lead sponsor
Susan L. Greenspan
Other
Eligibility
65 Years and older · Female only
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
New Kensington, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Phase 1 Interventional

Zoledronic Acid (ZOMETA) With Cyclophosphamide With Neuroblastoma and Cortical Bone Involvement

NCT00206388
View directory record Official record
Conditions
NEUROBLASTOMA
Interventions
Zolendric acid, Cyclophosphamide
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 30 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
8
States / cities
Los Angeles, California • San Francisco, California • Stanford, California + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2013 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Calcium Supplementation for a Healthy Weight (CaSHeW)

NCT01363115
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Orange Juice fortified with Calcium and Vitamin D, Orange juice without Ca or VitD, Nutritional Counseling
Dietary Supplement · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 1, 2011 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Phase 3 Interventional Results available

Zoledronate in Preventing Osteoporosis and Bone Fractures in Patients With Locally Advanced Nonmetastatic Prostate Cancer Undergoing Radiation Therapy and Hormone Therapy

NCT00329797
View directory record Official record
Conditions
Osteoporosis, Prostate Cancer
Interventions
Calcium, Zoledronic acid, radiation therapy, LHRH, Vitamin D
Dietary Supplement · Radiation · Drug
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older · Male only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
80
States / cities
Chico, California • Los Angeles, California • Pomona, California + 66 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2017 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Observe the Capability to Absorb Calcium as an Measure of Adequate Levels of Vitamin D

NCT01119378
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 31, 2014 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gene Expression, Metabolomic, Microbiome, and Calcium Metabolism in Response to Varied Vitamin D Dosages

NCT02856776
View directory record Official record
Conditions
Vitamin D Insufficiency
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Boston University
Other
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 18, 2019 · Synced Oct 17, 2026, 1:13 PM EDT
Active, not recruiting Not applicable Interventional

Dried Plums and Bone Health in Postmenopausal Women

NCT02822378
View directory record Official record
Conditions
Postmenopausal Osteoporosis
Interventions
Dried Plum, Calcium supplement, Vitamin D supplement
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
55 Years to 75 Years · Female only
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 17, 2026, 1:13 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Bone Mineral Density, Body Composition and Growth Following Severe Burn Injury

NCT00285090
View directory record Official record
Conditions
Burn, Growth, Malnutrition
Interventions
Calcium,Vitamin D, Calcium, VitaminD, Sugar Pill
Dietary Supplement · Other
Lead sponsor
Kathy Prelack, PhD, RD
Other
Eligibility
4 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 20, 2011 · Synced Oct 17, 2026, 1:13 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Oral Salmon Calcitonin in the Treatment of Osteoporosis in Postmenopausal Women Taking Calcium and Vitamin D

NCT00525798
View directory record Official record
Conditions
Osteoporosis
Interventions
SMC021 Oral calcitonin, SMC021 Placebo
Drug
Lead sponsor
Nordic Bioscience A/S
Industry
Eligibility
55 Years to 85 Years · Female only
Enrollment
4,665 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
3
States / cities
Gainesville, Georgia • Detroit, Michigan • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 29, 2012 · Synced Oct 17, 2026, 1:13 PM EDT