NIH-funded research Sbir 2 grant

Daily and Localized NSAID Patch for Knee Osteoarthritis Pain

Official title: Daily & Localized NSAID Sonophoresis for Symptomatic Treatment of Knee Osteoarthritis

Funded at Zetroz Systems, LLC · NIH-11390466 · Data updated 2026-11-12

A new patch uses gentle ultrasound to push a common pain-relieving NSAID into the knee to help people with osteoarthritis feel less pain.

More Osteoarthritis research and trials

Quick facts

Grant typeSbir 2 grant
Study typeNIH-funded research
Funding institutionZetroz Systems, LLC
NIH-funded
Lab location1 site (Trumbull, United States)
Project startSeptember 20, 2024
Project endMay 31, 2027
Funding year2026
Award (this year)$2,154,078
NIH project number5R44AG061985-08
Project IDNIH-11390466 on NIH RePORTER

Who could benefit from this research

Could help

Adults with knee osteoarthritis, particularly those aged 65 and older, who experience persistent pain.

Less likely to help

Individuals without knee OA or who require systemic analgesics rather than topical treatment may not benefit.

What this research studies

This project aims to provide more targeted, long-lasting relief for knee OA by combining a diclofenac patch with ultrasound-powered delivery (sonophoresis). It builds on prior work showing that ultrasound can help drugs reach deeper tissues, potentially lowering the need for oral NSAIDs. By focusing on localized treatment, it seeks to reduce systemic side effects and improve daily function for adults, especially those 65 and older. Participants would likely use the patch as directed to manage episodic knee pain and track changes in pain and mobility.

Why it matters

Potential benefit: If successful, patients could experience better knee pain control with fewer systemic side effects and improved ability to perform everyday activities.

How similar studies have gone: Previous work showed diclofenac sonophoresis can improve pain relief beyond topical NSAID alone, supporting a potential new therapy.

Where this research is happening

  • Zetroz Systems, LLC
    Trumbull, United States
    Active

Researchers

  • Principal investigator: Lewis, George Kenneth — Zetroz Systems, LLC
  • Study coordinator: Lewis, George Kenneth

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.