Age-related Macular Degeneration (AMD) in the Vitamin D and Omega-3 Trial (VITAL)
3 other identifiers
interventional
25,871
1 country
1
Brief Summary
The VITamin D and OmegA-3 Trial (VITAL; NCT 01169259) is a randomized clinical trial in 25,875 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or omega-3 fatty acids (Omacor fish oil, 1 gram) reduces the risk of developing cancer, heart disease, and stroke in people who do not have a prior history of these illnesses. This ancillary study is being conducted among participants in VITAL and will examine whether vitamin D or omega-3 fatty acids, compared to placebo, reduce the incidence and/or progression of age-related macular degeneration (AMD).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Jul 2010
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
July 1, 2010
CompletedFirst Submitted
Initial submission to the registry
January 31, 2013
CompletedFirst Posted
Study publicly available on registry
February 1, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2019
CompletedResults Posted
Study results publicly available
August 22, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2024
CompletedAugust 8, 2023
July 1, 2023
9.4 years
January 31, 2013
October 27, 2021
July 28, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of Participants With an AMD Event
AMD Event = a composite endpoint of incident AMD plus cases of progression to advanced AMD among participants with AMD at baseline
5 years
Secondary Outcomes (2)
Number of Participants With Incident Visually-Significant AMD
5 years
Number of Participants With Incident Advanced AMD
5 years
Other Outcomes (3)
Number of Participants With Incident AMD
5 years
Number of Participants With AMD Progression
5 years
Number of Participants With an AMD Event, Excluding the First Two Years of Follow-up
5 years (excluding the first two years of follow-up)
Study Arms (4)
Vitamin D + fish oil placebo
ACTIVE COMPARATORVitamin D3 (cholecalciferol), 2000 IU per day Fish oil placebo
Vitamin D placebo + fish oil
ACTIVE COMPARATORVitamin D placebo 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 \[DHA\])
Vitamin D placebo + fish oil placebo
PLACEBO COMPARATORVitamin D placebo fish oil placebo
Vitamin D + fish oil
ACTIVE COMPARATORVitamin D (cholecalciferol), 2000 IU per day 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 \[DHA\])
Interventions
Eligibility Criteria
You may qualify if:
- All participants in VITAL (NCT 01169259) are eligible to participate in this ancillary study.
You may not qualify if:
- None
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Brigham and Women's Hospitallead
- National Eye Institute (NEI)collaborator
Study Sites (1)
Brigham and Women's Hospital
Boston, Massachusetts, 02215, United States
Related Publications (1)
Christen WG, Cook NR, Manson JE, Buring JE, Chasman DI, Lee IM, Bubes V, Li C, Haubourg M, Schaumberg DA; VITAL Research Group. Effect of Vitamin D and omega-3 Fatty Acid Supplementation on Risk of Age-Related Macular Degeneration: An Ancillary Study of the VITAL Randomized Clinical Trial. JAMA Ophthalmol. 2020 Dec 1;138(12):1280-1289. doi: 10.1001/jamaophthalmol.2020.4409.
PMID: 33119047DERIVED
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- VITAL Study Director
- Organization
- Brigham and Women's Hospital; 900 Commonwealth Ave, 3rd fl.; Boston, MA 02215
Study Officials
- PRINCIPAL INVESTIGATOR
Debra A Schaumberg, ScD
Brigham and Women's Hospital
- PRINCIPAL INVESTIGATOR
William G Christen, ScD
Brigham and Women's Hospital
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- FACTORIAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor
Study Record Dates
First Submitted
January 31, 2013
First Posted
February 1, 2013
Study Start
July 1, 2010
Primary Completion
December 1, 2019
Study Completion
September 1, 2024
Last Updated
August 8, 2023
Results First Posted
August 22, 2022
Record last verified: 2023-07