Light and sound waves ease diabetic nerve pain in new study
NCT ID NCT07317284
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a combined laser and ultrasound treatment for people with type 2 diabetes who have early nerve damage in their feet. Sixty participants received either the real treatment or a placebo over 24 sessions. The results showed that the treatment helped reduce pain, burning, tingling, and numbness, and improved nerve function.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- photobiomodulation (laser) and therapeutic ultrasound
- What this could lead to
- If it works, this could offer a non-drug way to reduce pain and improve feeling in the feet for people with early diabetic nerve damage.
- What could go wrong
- This was a small, completed study with 60 people. Results may not apply to everyone, and long-term benefits or risks are not yet known.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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60 people
The number who actually took part.
- Started
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Jul 2024
- Finished
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May 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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45 to 70 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Type II diabetes diagnosed between 7 and 15 years old; * Age between 45 and 70 years; * Sex female and male. Exclusion Criteria: * Diabetic foot; * Lower limb involvement with metal implants, ankle and foot fractures; * Serious illnesses such as malignant or benign tumors; * Serious psychological problems; * Hormonal disorders; * Pacemaker users; * Hemodialysis treatment; * Drug use; * Physiotherapy treatment for less than six months.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Research, Innovation and Development Support Center
São Carlos, São Paulo, 13569350, Brazil
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