๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2025-12-17

Vitamin D and Omega-3 Hypertension Trial (VITAL Hypertension) (NCT01653678)

Effect of Vitamin D and Omega-3 Fatty Acids on Blood Pressure and Hypertension

๐Ÿ”ต Active, Not Recruiting Observational / Diagnostic ๐Ÿ’Š Investigational Drug / Biologic Sponsor: Brigham and Women's Hospital

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

The VITamin D and OmegA-3 TriaL (VITAL; NCT 01169259) is an ongoing 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 (Omacorยฎ 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. The VITAL Hypertension ancillary study is being conducted among participants in VITAL and will examine whether vitamin D or omega-3 fatty acids are related to changes in blood pressure and hypertension.

Who can join: Review the eligibility criteria below.

Location: Brigham and Women's Hospital โ€” Boston, Massachusetts

Age range: 50 Years to 99 Years

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (1 Sites)

  • Brigham and Women's Hospital โ€” Boston, Massachusetts

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

Explore by condition: All Hypertension clinical trials

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—