NIH-funded research R21 grant

Using dual-wavelength blue light to treat Staphylococcus aureus infections

Official title: Dual-Wavelength Blue Light Irradiation for Improved Treatment of Staphylococcus aureus Infections

Funded at Massachusetts General Hospital · NIH-10843888 · Data updated 2026-11-12

This study is looking at a new way to help treat infections caused by a tough germ called Staphylococcus aureus using special blue light, which might be a helpful option for patients who want an alternative to antibiotics.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionMassachusetts General Hospital
NIH-funded
Lab location1 site (Boston, United States)
Project startMay 18, 2023
Project endJuly 31, 2025
Funding year2024
Award (this year)$250,165
NIH project number5R21AI178585-02
Project IDNIH-10843888 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include individuals with infections caused by Staphylococcus aureus, particularly those who have not responded to conventional antibiotic treatments.

Less likely to help

Patients with infections caused by bacteria other than Staphylococcus aureus may not benefit from this research.

What this research studies

This research investigates a novel approach to treating infections caused by Staphylococcus aureus, a common and increasingly resistant bacterium. The study explores the use of dual-wavelength blue light irradiation, specifically 460 nm followed by 405 nm, to enhance the effectiveness of blue light therapy against these infections. By targeting the antioxidant properties of the bacteria, the researchers aim to improve the susceptibility of Staphylococcus aureus to treatment. Patients may benefit from this non-pharmacological method, which could provide an alternative to traditional antibiotics.

Why it matters

Potential benefit: If successful, this research could lead to a new treatment option for patients suffering from antibiotic-resistant Staphylococcus aureus infections.

How similar studies have gone: Previous studies have shown promise in using blue light therapy for bacterial infections, but this specific dual-wavelength approach is novel and has not been extensively tested.

Where this research is happening

  • Massachusetts General Hospital
    Boston, United States
    Active

Researchers

  • Principal investigator: Dai, Tianhong — Massachusetts General Hospital
  • Study coordinator: Dai, Tianhong

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.