Injectable microgels to release platelet-rich plasma for treating joint pain

Development of Injectable Super-Lubricious Microgels for Sustained Release of Platelet-Rich Plasma to Treat Post-Traumatic Osteoarthritis

NIH-funded research Saint Louis University · NIH-11062525

This study is testing a new injection that uses tiny particles filled with healing blood components to help relieve pain and improve joint health for people with post-traumatic osteoarthritis in their knees.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionSaint Louis University NIH-funded
Lab location1 site (Saint Louis, United States)
Project IDNIH-11062525 on NIH RePORTER

What this research studies

This research focuses on developing a new injectable treatment for post-traumatic osteoarthritis (PTOA), a painful joint condition affecting millions. The approach involves creating super-lubricious microspheres that contain platelet-rich plasma (PRP), which is derived from the patient's own blood and contains healing properties. By injecting these microspheres into the knee joint, the goal is to provide sustained release of PRP, helping to reduce inflammation and promote tissue regeneration. This method aims to overcome the limitations of current treatments that do not effectively address cartilage degeneration.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with post-traumatic osteoarthritis who are experiencing joint pain and dysfunction.

Not a fit: Patients with osteoarthritis not related to trauma or those who have already undergone total joint replacement may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could provide a more effective treatment option for patients suffering from post-traumatic osteoarthritis, potentially reducing pain and improving joint function.

How similar studies have performed: Other research has shown promise in using platelet-rich plasma for joint treatments, but this specific approach with super-lubricious microspheres is novel.

Where this research is happening

Saint Louis, 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.