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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT04573946
Other study ID # 2012P000560-1
Secondary ID 2R01AR059775-06A
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date July 1, 2019
Est. completion date September 2024

Study information

Verified date May 2024
Source Brigham and Women's Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Vitamin D supplements are widely promoted for bone health. Both vitamin D and vitamin K are important for deposition of calcium in bone, but little is known about the relationship of vitamin K status and bone health.


Description:

The goal of VITAL: Interrelationship of Vitamin D and Vitamin K on Bone is to test whether vitamin K status is associated with incident fractures in a case-cohort design or modifies the randomized effects of vitamin D supplementation vs. placebo on 2-year changes in bone density and structure outcomes.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 25871
Est. completion date September 2024
Est. primary completion date September 2024
Accepts healthy volunteers No
Gender All
Age group 50 Years and older
Eligibility Inclusion: - Participants in VITAL (NCT 01169259) study who met the following criteria of the parent trial are eligible to participate in this ancillary study: - be men aged 50 years and older or women aged 55 years and older - have no history of cardiovascular disease or cancer (excluding non-melanoma skin cancer) - have none of the following: allergy to soy or fish, hypercalcemia, renal failure or dialysis, severe liver disease, hypo- or hyperparathyroidism, sarcoidosis or other granulomatous diseases, or any other serious illnesses - consume = 1200 mg/d of calcium for the duration of the trial - consume = 800 IU of vitamin D for duration of the trial - refrain from taking fish oil supplements for the duration of the trial Exclusion: - For aims 2 and 3, those who are using bisphosphonates currently or within the past 2 years, or other bone-active medications currently or within the past year are not eligible for this study

Study Design


Related Conditions & MeSH terms


Intervention

Dietary Supplement:
Vitamin D3 placebo
Vitamin D placebo
Fish oil placebo
Fish oil placebo
Drug:
Omega-3 fatty acids (fish oil)
Omacor, 1 capsule per day. Each capsule of Omacor contains 840 milligrams of marine omega-3 fatty acids (465 mg of eicosapentaenoic acid [EPA] and 375 mg of docosahexaenoic acid [DHA]).
Dietary Supplement:
Vitamin D3
Vitamin D3 (cholecalciferol), 2000 IU per day. Other Names: cholecalciferol

Locations

Country Name City State
United States Brigham and Women's Hospital Boston Massachusetts

Sponsors (2)

Lead Sponsor Collaborator
Brigham and Women's Hospital National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)

Country where clinical trial is conducted

United States, 

References & Publications (4)

Donlon CM, LeBoff MS, Chou SH, Cook NR, Copeland T, Buring JE, Bubes V, Kotler G, Manson JE. Baseline characteristics of participants in the VITamin D and OmegA-3 TriaL (VITAL): Effects on Bone Structure and Architecture. Contemp Clin Trials. 2018 Apr;67:56-67. doi: 10.1016/j.cct.2018.02.003. Epub 2018 Feb 23. — View Citation

Goldman AL, Donlon CM, Cook NR, Manson JE, Buring JE, Copeland T, Yu CY, LeBoff MS. VITamin D and OmegA-3 TriaL (VITAL) bone health ancillary study: clinical factors associated with trabecular bone score in women and men. Osteoporos Int. 2018 Nov;29(11):2505-2515. doi: 10.1007/s00198-018-4633-3. Epub 2018 Jul 18. — View Citation

LeBoff MS, Chou SH, Murata EM, Donlon CM, Cook NR, Mora S, Lee IM, Kotler G, Bubes V, Buring JE, Manson JE. Effects of Supplemental Vitamin D on Bone Health Outcomes in Women and Men in the VITamin D and OmegA-3 TriaL (VITAL). J Bone Miner Res. 2020 May;35(5):883-893. doi: 10.1002/jbmr.3958. Epub 2020 Jan 30. — View Citation

LeBoff MS, Yue AY, Copeland T, Cook NR, Buring JE, Manson JE. VITAL-Bone Health: rationale and design of two ancillary studies evaluating the effects of vitamin D and/or omega-3 fatty acid supplements on incident fractures and bone health outcomes in the VITamin D and OmegA-3 TriaL (VITAL). Contemp Clin Trials. 2015 Mar;41:259-68. doi: 10.1016/j.cct.2015.01.007. Epub 2015 Jan 24. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Number of Fractures The effect of low vitamin K status (with or without vitamin D supplementation) on the number of new total, non-vertebral and hip fractures. 2 years
Secondary Change in Areal Bone Density The effect of low vitamin K status (with or without vitamin D supplementation) on changes in areal bone density at the spine and hip between baseline and two years post-randomization. 2 years
Secondary Change in Volumetric Bone Mineral Density The effect of low vitamin K status (with or without vitamin D supplementation) on changes in total, trabecular and cortical volumetric bone mineral density (vBMD) between baseline and two years post-randomization. 2 years
Secondary Change in Cortical Thickness The effect of low vitamin K status (with or without vitamin D supplementation) on changes in cortical thickness assessed by peripheral quantitative computed tomography (pQCT) between baseline and two years post-randomization. 2 years
Secondary Change in Bone Strength The effect of low vitamin K status (with or without vitamin D supplementation) on changes in bone strength measures assessed by peripheral quantitative computed tomography (pQCT) between baseline and two years post-randomization. 2 years
Secondary Change in Trabecular Bone Score The effect of low vitamin K status (with or without vitamin D supplementation) on changes in trabecular bone score between baseline and two years post-randomization. 2 years
Secondary Concentration of Urine Calcium The effect of low vitamin K status (with or without vitamin D supplementation) on change in urine calcium excretion between baseline and two years post-randomization. 2 years
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