Investigating the impact of vitamin K on knee function in adults with osteoarthritis

Effects of Vitamin K on Lower-extremity Function in Adults with Osteoarthritis: a Randomized Controlled Pilot Trial

NIH-funded research Tufts University Boston · NIH-10708005

This study is looking at whether taking vitamin K can help improve movement and joint health for adults with knee osteoarthritis, and it’s a friendly way to see if this could be helpful for people who might need more support with their knee issues.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionTufts University Boston NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-10708005 on NIH RePORTER

What this research studies

This research explores how vitamin K supplementation may improve lower-extremity function in adults suffering from knee osteoarthritis (OA). Participants will be involved in a randomized controlled pilot trial, where they will receive either vitamin K or a placebo to assess its effects on their mobility and joint health. The study aims to gather data on the feasibility of conducting a larger clinical trial in the future, focusing on adults with mild to moderate knee OA and low vitamin K levels. By understanding the role of vitamin K in joint health, the research seeks to identify effective strategies to alleviate disability associated with knee OA.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults aged 21 and older who have been diagnosed with mild to moderate knee osteoarthritis and have low baseline levels of vitamin K.

Not a fit: Patients with severe knee osteoarthritis or those who do not have low vitamin K levels may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new dietary recommendations or treatments that improve mobility and quality of life for individuals with knee osteoarthritis.

How similar studies have performed: While there is emerging evidence supporting the role of vitamin K in joint health, this specific approach has not yet been tested in clinical trials.

Where this research is happening

Boston, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.