Red light therapy: a new way to boost blood flow?

NCT ID NCT02370199

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether shining red light on the leg can increase blood flow in healthy adults. Forty participants will receive red light and a contrast agent called Definity to measure blood flow with ultrasound. The goal is to learn more about how light affects circulation.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

670 nm red light and octafluoropropane (Definity) contrast agent

What this could lead to

If successful, this could help understand how red light affects blood flow, possibly leading to new therapies for circulation problems.

What could go wrong

This is a small, early-stage study in healthy people, so results may not apply to patients. The contrast agent carries rare risks like allergic reactions.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Medical College of Wisconsin

    RECRUITING

    Milwaukee, Wisconsin, 53226, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••