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The Effectiveness of High-intensity Laser Therapy After Arthroscopic Shoulder Rotator Cuff Repair.

28 kwietnia 2026 zaktualizowane przez: Istituto Ortopedico Rizzoli

The Effectiveness of High-intensity Laser Therapy After Arthroscopic Shoulder Rotator Cuff Repair. A Randomized Controlled Trial

This randomized controlled trial aims to evaluate the effectiveness of high-intensity laser therapy (HILT) as an adjunct to conventional rehabilitation in patients undergoing arthroscopic rotator cuff repair.

Despite surgical repair, patients frequently experience postoperative pain, limited range of motion, and delayed functional recovery. Conventional physiotherapy represents the standard of care; however, additional strategies may be needed to optimize outcomes. High-intensity laser therapy has been proposed as a non-invasive intervention with potential analgesic and anti-inflammatory effects, but its effectiveness in the postoperative setting remains unclear.

Participants will be randomly allocated to one of two groups: an experimental group receiving HILT in addition to conventional physiotherapy, and a control group receiving sham laser therapy combined with the same rehabilitation program. Both groups will undergo standardized rehabilitation sessions including therapeutic exercise.

The primary outcome is pain intensity, measured using the Visual Analog Scale. Secondary outcomes include shoulder range of motion (active and passive), muscle strength, functional status assessed with the Constant-Murley Score, and patient-reported disability and quality of life measured using the Shoulder Pain and Disability Index and the Quick Disabilities of the Arm, Shoulder and Hand.

Assessments will be conducted at baseline (at the start of rehabilitation), during the intervention period after the fourth (T1), seventh (T2), and tenth (T3) physiotherapy sessions, and at follow-up at 4 months.

Przegląd badań

Status

Jeszcze nie rekrutacja

Warunki

Interwencja / Leczenie

Typ studiów

Interwencyjne

Zapisy (Szacowany)

46

Faza

  • Nie dotyczy

Kontakty i lokalizacje

Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.

Kontakt w sprawie studiów

Lokalizacje studiów

  • Włochy
      • Bologna, Włochy, 40136
        • Istituto Ortopedico Rizzoli

Kryteria uczestnictwa

Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.

Kryteria kwalifikacji

Wiek uprawniający do nauki

  • Dorosły
  • Starszy dorosły

Akceptuje zdrowych ochotników

Nie

Opis

Inclusion Criteria:

  • Arthroscopic rotator cuff repair of one shoulder for partial or full-thickness tear
  • Willingness to provide written informed consent
  • Age between 30 and 70 years
  • Pain intensity greater than 40/100 on the Visual Analog Scale

Exclusion Criteria:

  • Psychiatric disorders
  • Cognitive impairment
  • Rheumatic diseases or Fibromyalgia
  • Vascular diseases
  • Neoplastic diseases
  • Infectious diseases
  • Neurological disorders
  • Hemophilia or bleeding diathesis
  • Use of anticoagulant therapy
  • Presence of a pacemaker
  • History of epileptic seizures
  • Pregnancy or breastfeeding
  • Skin lesions or abrasions at the laser application site
  • Known hypersensitivity to laser therapy or photosensitization
  • Use of photosensitizing medications
  • Tattoo in the treatment area
  • Steroid injections in the target area within the previous 2-3 weeks
  • Recent trauma or injury
  • Suspected conditions in which deep tissue heating is contraindicated
  • Use of analgesic or anti-inflammatory medications during the study period
  • Positive status for human immunodeficiency virus infection

Plan studiów

Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.

Jak projektuje się badanie?

Szczegóły projektu

  • Główny cel: Leczenie
  • Przydział: Randomizowane
  • Model interwencyjny: Przydział równoległy
  • Maskowanie: Potroić

Broń i interwencje

Grupa uczestników / Arm
Interwencja / Leczenie
Eksperymentalny: High level laser therapy group

High-intensity laser therapy (HILT) will be administered using the HIRO TT device (ASA s.r.l., Italy), based on a solid-state Nd:YAG laser source with near-infrared emission at a wavelength of 1064 nm.

The treatment protocol consists of 10 sessions delivered on alternate days. Each session will last 60 minutes and will include 15 minutes of laser therapy followed by 45 minutes of conventional physiotherapy.

Laser therapy will be applied to two areas of 10 × 10 cm each, located at the anterolateral and posterior aspects of the shoulder. The treatment will be delivered using a pulsed emission with a frequency of 15 Hz, a total energy of 1000 J, and an energy density of 5 J/cm². The mean power will range between 6 and 10.5 W, with a peak power between 1 and 3 kW, for a total application time of 8 minutes and 30 seconds.
Urządzenie: High intensity laser therapy

High-intensity laser therapy (HILT) will be administered using the HIRO TT device (ASA s.r.l., Italy), based on a solid-state Nd:YAG laser source with near-infrared emission at a wavelength of 1064 nm.

The treatment protocol consists of 10 sessions delivered on alternate days. Each session will last 60 minutes and will include 15 minutes of laser therapy followed by 45 minutes of conventional physiotherapy.

Laser therapy will be applied to two areas of 10 × 10 cm each, located at the anterolateral and posterior aspects of the shoulder. The treatment will be delivered using a pulsed emission with a frequency of 15 Hz, a total energy of 1000 J, and an energy density of 5 J/cm². The mean power will range between 6 and 10.5 W, with a peak power between 1 and 3 kW, for a total application time of 8 minutes and 30 seconds.
Pozorny komparator: Sham laser therapy group

The sham laser intervention will be delivered using the same HIRO TT device and identical treatment procedures as the active HILT group.

The same anatomical areas (two treatment areas of 10 × 10 cm located at the anterolateral and posterior aspects of the shoulder) will be targeted, with identical session duration and patient positioning.

During sham treatment, the device will remain switched on; however, no therapeutic laser emission will be delivered. This approach is intended to ensure participant blinding by replicating the visual and procedural aspects of the active intervention without providing any active therapeutic effect.
Inny: Sham laser therapy

The sham laser intervention will be delivered using the same HIRO TT device and identical treatment procedures as the active HILT group.

The same anatomical areas (two treatment areas of 10 × 10 cm located at the anterolateral and posterior aspects of the shoulder) will be targeted, with identical session duration and patient positioning.

During sham treatment, the device will remain switched on; however, no therapeutic laser emission will be delivered. This approach is intended to ensure participant blinding by replicating the visual and procedural aspects of the active intervention without providing any active therapeutic effect.

Co mierzy badanie?

Podstawowe miary wyniku

Miara wyniku
Opis środka
Ramy czasowe
Visual Analogue Scale
Ramy czasowe: after 3 weeks
The VAS consists of a 100-mm horizontal line anchored by two descriptors: "no pain" (0 mm) and "worst imaginable pain" (100 mm). Participants will be asked to mark a point on the line corresponding to their perceived level of pain. The score will be determined by measuring the distance in millimeters from the left end of the line to the patient's mark, with higher scores indicating greater pain intensity.
after 3 weeks

Miary wyników drugorzędnych

Miara wyniku
Opis środka
Ramy czasowe
Visual Analogue Scale
Ramy czasowe: Baseline, after 1 week, after 2 weeks, after 4 months follow-up
The VAS consists of a 100-mm horizontal line anchored by two descriptors: "no pain" (0 mm) and "worst imaginable pain" (100 mm). Participants will be asked to mark a point on the line corresponding to their perceived level of pain. The score will be determined by measuring the distance in millimeters from the left end of the line to the patient's mark, with higher scores indicating greater pain intensity.
Baseline, after 1 week, after 2 weeks, after 4 months follow-up
Passive Range of Motion
Ramy czasowe: Baseline, after 1 week, after 2 weeks, after 3 weeks, after 4 months follow-up
Passive shoulder range of motion (ROM) will be assessed using a digital goniometer following standardized measurement procedures. Movements evaluated will include shoulder flexion, abduction, internal rotation and external rotation at 90° of abduction, and external rotation at 0° of abduction. Measurements will be performed with the patient in the supine position. For each movement, three repetitions will be recorded and the mean value will be used for analysis. Results will be expressed in degrees.
Baseline, after 1 week, after 2 weeks, after 3 weeks, after 4 months follow-up
Active Range of Motion
Ramy czasowe: Baseline, after 1 week, after 2 weeks, after 3 weeks, after 4 months follow-up
Active shoulder range of motion (ROM) will be assessed using a digital goniometer following standardized measurement procedures. Movements evaluated will include shoulder flexion, abduction, and external rotation at 0° of abduction. Measurements will be performed with the patient in a standing position. For each movement, three repetitions will be recorded and the mean value will be used for analysis. Results will be expressed in degrees.
Baseline, after 1 week, after 2 weeks, after 3 weeks, after 4 months follow-up
Muscle strength: Handheld dynamometer
Ramy czasowe: after 3 weeks and after 4 months follow-up

Shoulder muscle strength will be assessed using a handheld digital dynamometer following standardized and reproducible testing positions. Isometric strength will be measured for shoulder abduction, internal rotation, and external rotation. Internal and external rotation will be evaluated with the patient in a seated position, with the arm at 0° and 90° of abduction in the scapular plane. Shoulder abduction will be assessed with the arm positioned at 45° of abduction.

For each movement, three maximal isometric contractions of 5 seconds will be performed, with 30 seconds of rest between trials. The highest value recorded will be used for analysis. Results will be expressed in kilograms.
after 3 weeks and after 4 months follow-up
Function: Constant-Murley Score
Ramy czasowe: Baseline, after 1 week, after 2 weeks, after 3 weeks, after 4 months follow-up
Shoulder function will be assessed using the Constant-Murley Score (CMS), a composite scale that evaluates pain, activities of daily living, range of motion, and muscle strength. The total score ranges from 0 to 100, with higher scores indicating better shoulder function.
Baseline, after 1 week, after 2 weeks, after 3 weeks, after 4 months follow-up
Disability: Shoulder Pain Disability Index
Ramy czasowe: Baseline, after 1 week, after 2 weeks, after 3 weeks, after 4 months follow-up
Shoulder pain and disability will be assessed using the Shoulder Pain and Disability Index (SPADI), a self-administered questionnaire composed of 13 items divided into two subscales assessing pain and disability. The total score ranges from 0 to 100, with higher scores indicating greater pain and functional impairment.
Baseline, after 1 week, after 2 weeks, after 3 weeks, after 4 months follow-up
Disability: Quick Disability of the Arm, Shoulder and Hand
Ramy czasowe: Baseline, after 1 week, after 2 weeks, after 3 weeks, after 4 months follow-up
Upper limb disability will be assessed using the Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH), a self-administered questionnaire composed of 11 items rated on a Likert scale. The total score ranges from 0 to 100, with higher scores indicating greater disability.
Baseline, after 1 week, after 2 weeks, after 3 weeks, after 4 months follow-up

Współpracownicy i badacze

Tutaj znajdziesz osoby i organizacje zaangażowane w to badanie.

Sponsor

Istituto Ortopedico Rizzoli

Daty zapisu na studia

Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.

Główne daty studiów

Rozpoczęcie studiów (Szacowany)

1 września 2026

Zakończenie podstawowe (Szacowany)

1 listopada 2028

Ukończenie studiów (Szacowany)

1 września 2029

Daty rejestracji na studia

Pierwszy przesłany

28 kwietnia 2026

Pierwszy przesłany, który spełnia kryteria kontroli jakości

28 kwietnia 2026

Pierwszy wysłany (Rzeczywisty)

5 maja 2026

Aktualizacje rekordów badań

Ostatnia wysłana aktualizacja (Rzeczywisty)

5 maja 2026

Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości

28 kwietnia 2026

Ostatnia weryfikacja

1 kwietnia 2026

Więcej informacji

Terminy związane z tym badaniem

Słowa kluczowe

Dodatkowe istotne warunki MeSH

Inne numery identyfikacyjne badania

  • LASER_SHOULDER

Informacje o lekach i urządzeniach, dokumenty badawcze

Bada produkt leczniczy regulowany przez amerykańską FDA

Nie

Bada produkt urządzenia regulowany przez amerykańską FDA

Nie

Te informacje zostały pobrane bezpośrednio ze strony internetowej clinicaltrials.gov bez żadnych zmian. Jeśli chcesz zmienić, usunąć lub zaktualizować dane swojego badania, skontaktuj się z register@clinicaltrials.gov. Gdy tylko zmiana zostanie wprowadzona na stronie clinicaltrials.gov, zostanie ona automatycznie zaktualizowana również na naszej stronie internetowej .

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Badania kliniczne na High intensity laser therapy

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