Low-level laser therapy for carpal tunnel syndrome

The Effect of Low-Level Laser Therapy in Carpal Tunnel Syndrome: A Randomized, Single-Blinded, Placebo-Controlled Trial

Not applicable Interventional Medical University of Graz · NCT06248541

This study tests whether low-level laser therapy can help people with carpal tunnel syndrome feel less pain and discomfort while they wait for surgery.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment40 (estimated)
Ages18 Years to 80 Years
SexAll
SponsorMedical University of Graz Academic / other
Locations1 site (Graz, Styria)
Trial IDNCT06248541 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the effects of low-level laser therapy on patients suffering from carpal tunnel syndrome (CTS), a condition characterized by median nerve compression. The study aims to assess whether this non-invasive treatment can alleviate symptoms such as pain and paresthesia in patients awaiting surgery. Participants will receive either low-level laser therapy or treatment with conventional light diodes over a period of three weeks. The trial is randomized and single-blind, ensuring that the results are scientifically valid and reliable.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 to 80 with isolated surgery-indicated carpal tunnel syndrome experiencing moderate pain or paresthesia for at least three months.

Not a fit: Patients with traumatic median nerve injuries, previous surgeries in the affected area, or those with severe nerve diseases may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a non-invasive option for patients to manage their CTS symptoms effectively before surgery.

How similar studies have performed: Other studies have shown promising results with low-level laser therapy for various conditions, suggesting potential efficacy for CTS, although this specific application is less commonly tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Existing written consent of the participating person after informed consent.
* The patient is capable of giving consent.
* Isolated surgery-induced CTS
* CTS patients with pain (NRS between 2 and 6) and/or paresthesia and/or nocturnal pain that has been present for at least 3 months (pain reported using the "Numerical Rating Scale for Pain" (NRS) between 0 and 10).
* Compliance with 3 weeks of cold light therapy.

Exclusion Criteria:

* Absence of informed consent
* Patients under 18 years or over 80 years
* Patients from protected groups as well as people who are not able to personally give consent
* Participation in other clinical trials within the last 4 weeks before the start of the study
* traumatic and atraumatic median nerve lesions/damage/narrowing
* Previous operations in the area innervated by the median nerve or in the area of the affected upper extremity/hand
* CTS recurrence of the affected hand
* Thenar atrophy of the affected hand
* Nerve diseases that affect the upper extremity including the hand (e.g. polyneuropathy)
* Cervical radiculopathy C6/C
* Osteoarthritis of the affected hand (e.g. rhizarthrosis)
* Arthritis of the affected hand
* Metabolic diseases that have an influence on the sensory or function of the hand
* Vascular diseases affecting the upper extremity or hand (e.g. Raynaud's syndrome)
* other compressions or injuries of the median nerve (e.g. thoracic outlet syndrome, scalene syndrome, pronator teres syndrome)

Where this trial is running

Graz, Styria

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Carpal Tunnel SyndromeCTS
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.