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Effect of High-Power Laser Therapy on Disc Morphology and Functional Outcome in Patients With Cervical Radiculopathy

2026年7月4日 更新者:Diana Aahed Mahmoud Mushtaha、Cairo University
The study aims to evaluate the effectiveness of high-power laser therapy (HPLT) in patients with cervical radiculopathy, focusing on its impact on disc morphology, and overall functional activity

調査の概要

詳細な説明

cervical radiculopathy is one of the most common and debilitating conditions. It occurs due to the compression or irritation of nerve roots, often caused by intervertebral disc herniation or degenerative disc disease. Patients with this condition typically experience neck pain radiating to the arms, accompanied by sensory disturbances, weakness, or diminished reflexes, which significantly impair functional ability and quality of life (Smith et al., 2020; Jones & Miller, 2019).

Conventional treatment approaches for cervical radiculopathy include conservative methods such as physiotherapy, pharmacological interventions, and in severe cases, surgical decompression. While these options may provide symptomatic relief, they often fail to address underlying structural and physiological changes, such as disc degeneration or nerve dysfunction. Additionally, surgical interventions carry inherent risks, including infection and nerve damage, and are not suitable for all patients. This has driven the search for alternative, non-invasive treatment modalities that can address both symptoms and the root causes of the condition.High-power laser therapy (HPLT) has emerged as a promising solution in this context. HPLT uses focused laser light to deliver high energy to tissues, stimulating cellular repair processes, reducing inflammation, and promoting analgesia through photo biomodulation. Unlike low-level laser therapy, HPLT delivers higher energy levels, allowing deeper tissue penetration and potentially greater therapeutic effects (Clark et al., 2021). These mechanisms make HPLT particularly suited for treating conditions like cervical radiculopathy, where inflammation, nerve irritation, and tissue degeneration coexist.

Despite its growing popularity, the evidence supporting the efficacy of HPLT in cervical radiculopathy is still limited. Current research mainly highlights its potential for pain reduction, but there is a lack of rigorous, controlled trials evaluating its impact on disc morphology and overall functional recovery. For instance, a recent study by Williams et al. (2022) demonstrated significant pain relief in patients treated with HPLT, yet did not assess structural or electrophysiological outcomes. This highlights the need for further investigation to establish HPLT as a comprehensive treatment modality.

This study aims to bridge this knowledge gap by systematically evaluating the effects of high-power laser therapy on key outcomes, including disc morphology, and functional activity in patients with cervical radiculopathy. By addressing these dimensions, the research seeks to provide a comprehensive understanding of HPLT's role in managing cervical radiculopathy. It also aims to contribute to the development of evidence-based guidelines for its clinical application, offering a safer and more effective alternative to traditional interventions.

研究の種類

介入

入学 (推定)

60

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

研究連絡先のバックアップ

  • 名前:Ibrahim Mohamed Hamoda, Assistant Professor

研究場所

      • Cairo、エジプト
        • 募集
        • Al Kasr Al Aini French Teaching Hospital
        • コンタクト:
          • Diana Aahed Mahmoud Mushtaha, M.Sc. in Physical Therapy
          • 電話番号:+201119221077
        • コンタクト:

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 大人

健康ボランティアの受け入れ

いいえ

説明

Inclusion Criteria:

- Adults aged between 40 to 60 years.

• A Body Mass Index (BMI) range of 18.5-35 (normal to overweight) will be required.

• Diagnosed with cervical radiculopathy, confirmed by clinical examination and diagnostic imaging (e.g., MRI).

• Pain intensity level of at least 4 on the Visual Analog Scale (VAS).

• No previous history of surgery on the cervical spine.

• Able to provide informed consent and participate in the study protocol.

Exclusion Criteria:

  • Pregnant women or those planning to become pregnant. • Individuals with severe comorbidities that could interfere with the study, such as uncontrolled diabetes, cancer, or systemic inflammatory diseases.

Individuals with severe cervical stenosis or spinal cord compression.

• Individuals any form of malignancy, active infection, or dermatological issues on the neck.

• Patients using opioid analgesics or other strong pain medications that could alter the results.

• Previous treatment with high-power laser therapy within the last six months.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

  • 主な目的:処理
  • 割り当て:ランダム化
  • 介入モデル:並列代入
  • マスキング:なし(オープンラベル)

武器と介入

参加者グループ / アーム
介入・治療
実験的:study group
This group will consist of 30 patients, who will receive high-power laser therapy (HPLT) for 8 weeks. High-Power Laser Therapy (HPLT) Description: High-Power Laser Therapy (HPLT): parameters Wavelength: 1064 nm Power output: 8-10 W Frequency: Pulsed wave (CW) Treatment Duration: 10-20 minutes per session Treatment Frequency: 3 sessions per week for 8 weeks (total of 24 sessions). Application: The laser is applied to the area of pain and nerve root compression, focusing on disc hydration, pain relief, and reduction of inflammation.
High-Power Laser Therapy (HPLT): parameters Wavelength: 1064 nm Power output: 8-10 W Frequency: Pulsed wave (CW) Treatment Duration: 10-20 minutes per session Treatment Frequency: 3 sessions per week for 8 weeks (total of 24 sessions). Application: The laser is applied to the area of pain and nerve root compression, focusing on disc hydration, pain relief, and reduction of inflammation.
アクティブコンパレータ:Control Group

Control Group:

This group will consist of 30 patients, who will receive Ultrasound, Interferential Current, and Hot Packs for eight weeks.

  • Ultrasound therapy: Frequency: 1 MHz (deep tissue penetration) Intensity: 1.5-2 W/cm² Duration: 8-10 minutes per session Application: Applied to the affected cervical region to enhance tissue healing and reduce pain and inflammation. - Interferential current therapy: Frequency: 4,000 Hz (with a beat frequency of 80-150 Hz) Intensity: Adjusted to produce a comfortable muscle contraction without causing pain Duration: 10-15 minutes per session Application: Applied to the cervical region to reduce pain and improve circulation. - Hot Packs: Temperature: 40°C - 45°C Duration: 15-20 minutes per session Application: Applied to the cervical region to promote muscle relaxation and alleviate discomfort.

- Ultrasound therapy: Frequency: 1 MHz (deep tissue penetration) Intensity: 1.5-2 W/cm² Duration: 8-10 minutes per session Application: Applied to the affected cervical region to enhance tissue healing and reduce pain and inflammation.

- Interferential current therapy: Frequency: 4,000 Hz (with a beat frequency of 80-150 Hz) Intensity: Adjusted to produce a comfortable muscle contraction without causing pain Duration: 10-15 minutes per session Application: Applied to the cervical region to reduce pain and improve circulation.

- Hot Packs: Temperature: 40°C - 45°C Duration: 15-20 minutes per session Application: Applied to the cervical region to promote muscle relaxation and alleviate discomfort.

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
Disc height
時間枠:8 weeks
Disc height: Measured using sagittal images, comparing the anterior and posterior heights of the cervical disc, height in meters.
8 weeks
Disc hydration
時間枠:8 weeks
Disc hydration: Assessing changes in the signal intensity of the intervertebral disc, which indicates water content. This is typically measured on T2-weighted MRI sequences.
8 weeks
Disc protrusion
時間枠:8 weeks
- Disc protrusion: Examined using both sagittal and axial views to detect any changes in the disc's morphology, including the presence of herniation or bulging
8 weeks

二次結果の測定

結果測定
メジャーの説明
時間枠
Functional outcome
時間枠:8 weeks
Neck Disability Index (NDI) is used to assess disability related to neck pain and functional activity at baseline, and post-treatment.
8 weeks

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

捜査官

  • スタディチェア:Hussein Ahmed Shaker、Professor, Cairo University

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (推定)

2026年7月10日

一次修了 (推定)

2026年11月20日

研究の完了 (推定)

2026年11月30日

試験登録日

最初に提出

2026年6月14日

QC基準を満たした最初の提出物

2026年6月18日

最初の投稿 (実際)

2026年6月22日

学習記録の更新

投稿された最後の更新 (実際)

2026年7月7日

QC基準を満たした最後の更新が送信されました

2026年7月4日

最終確認日

2026年6月1日

詳しくは

本研究に関する用語

医薬品およびデバイス情報、研究文書

米国FDA規制医薬品の研究

いいえ

米国FDA規制機器製品の研究

いいえ

米国で製造され、米国から輸出された製品。

はい

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