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High-Intensity Laser Therapy Versus Multimodal Physiotherapy in Subacromial Impingement Syndrome

8 maj 2026 uppdaterad av: Tulay Yildirim

Short-Term Effects of High-Intensity Laser Therapy Compared With Multimodal Physiotherapy in Subacromial Impingement Syndrome: A Randomized Controlled Trial

This randomized controlled trial aimed to compare the short-term effectiveness of high-intensity laser therapy (HILT) and a multimodal physiotherapy program in patients with subacromial impingement syndrome (SIS). Ninety-four participants were allocated to either HILT or combined physiotherapy, and both groups received an identical supervised exercise program. Primary outcome measures included shoulder pain assessed using the visual analogue scale (VAS). Secondary outcomes included shoulder function, disability, and quality of life. Outcomes were evaluated at baseline, post-treatment, and short-term follow-up.

Studieöversikt

Detaljerad beskrivning

Subacromial impingement syndrome (SIS) is one of the most common causes of shoulder pain and functional limitation. Conservative treatment strategies, particularly exercise-based rehabilitation, are recommended as first-line therapy. High-intensity laser therapy (HILT) has recently gained attention because of its potential analgesic and anti-inflammatory effects; however, its comparative effectiveness against multimodal physiotherapy remains unclear.

This single-centre, assessor-blinded randomized controlled trial was conducted at the Department of Physical Medicine and Rehabilitation, Inonu University Hospital, Malatya, Türkiye. Adults aged 18-65 years with clinically and radiologically confirmed SIS were enrolled. Participants were allocated to either a high-intensity laser therapy group or a combined conventional physiotherapy group. Both groups additionally participated in an identical supervised exercise program.

The HILT group received class IV Nd:YAG laser therapy (1064 nm), whereas the control group received hot pack therapy, transcutaneous electrical nerve stimulation, and therapeutic ultrasound. Treatment duration was three weeks.

The primary outcome measure was pain intensity assessed using the visual analogue scale (VAS). Secondary outcomes included the Constant-Murley Score, Shoulder Pain and Disability Index (SPADI), and Short Form-36 quality-of-life assessment. Outcomes were evaluated at baseline, post-treatment, and short-term follow-up.

The study was approved by the Inonu University Clinical Research Ethics Committee (Approval No: 2015/123). The trial was retrospectively submitted for registration at ClinicalTrials.gov.

Studietyp

Interventionell

Inskrivning (Faktisk)

94

Fas

  • Inte tillämpbar

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

  • Vuxen
  • Äldre vuxen

Tar emot friska volontärer

Nej

Beskrivning

Inclusion Criteria:Inclusion Criteria:

  • Adults aged 18 to 65 years
  • Clinically and radiologically confirmed subacromial impingement syndrome
  • Shoulder pain lasting at least 1 month and less than 6 months
  • At least one positive impingement test (Neer, Hawkins-Kennedy, painful arc, or Jobe test)
  • MRI findings consistent with stage I-II rotator cuff changes

Exclusion Criteria:

  • Previous shoulder surgery or trauma
  • Inflammatory rheumatic disease
  • Recent myocardial infarction
  • Active infection
  • Previous physiotherapy or corticosteroid injection within the last 6 months
  • Pregnancy
  • Calcific tendinitis
  • Adhesive capsulitis
  • Cervical radiculopathy
  • Neurological disorders affecting the shoulder
  • Full-thickness rotator cuff tear
  • Contraindications to electrotherapy or laser therapy

Exclusion Criteria:

-

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Enda

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: High-Intensity Laser Therapy
Participants received class IV Nd:YAG high-intensity laser therapy three times weekly for three weeks in addition to a supervised exercise program.
Class IV Nd:YAG laser therapy (1064 nm wavelength) administered to the shoulder region for treatment of subacromial impingement syndrome.
Aktiv komparator: Multimodal Physiotherapy
Participants received hot pack therapy, transcutaneous electrical nerve stimulation, and therapeutic ultrasound combined with a supervised exercise program.
Combined physiotherapy program consisting of hot pack therapy, transcutaneous electrical nerve stimulation, and therapeutic ultrasound.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Shoulder Pain Intensity Assessed by Visual Analogue Scale (VAS)
Tidsram: Baseline, 3 weeks, and 7 weeks
Pain intensity at rest, during movement, and at night assessed using a 10-cm visual analogue scale.
Baseline, 3 weeks, and 7 weeks

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Shoulder Function Assessed by Constant-Murley Score
Tidsram: Baseline, 3 weeks, and 7 weeks
Shoulder functional status assessed using the Constant-Murley Score.
Baseline, 3 weeks, and 7 weeks
Shoulder Disability Assessed by SPADI
Tidsram: Baseline, 3 weeks, and 7 weeks
Shoulder Pain and Disability Index (SPADI) used to assess disability related to shoulder pain.
Baseline, 3 weeks, and 7 weeks

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Utredare

  • Huvudutredare: Tulay Yildirim, MD, Inonu University Faculty of Medicine

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

1 januari 2016

Primärt slutförande (Faktisk)

1 december 2017

Avslutad studie (Faktisk)

1 december 2017

Studieregistreringsdatum

Först inskickad

8 maj 2026

Först inskickad som uppfyllde QC-kriterierna

8 maj 2026

Första postat (Faktisk)

14 maj 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

14 maj 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

8 maj 2026

Senast verifierad

1 maj 2026

Mer information

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Plan för individuella deltagardata (IPD)

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Läkemedels- och apparatinformation, studiedokument

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Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

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