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NCT Number: NCT07342426

High and Low Dose High-intensity Laser Therapy Lateral Epicondylitis

High-intensity laser therapy has gained increasing attention in recent years as a therapeutic modality. It is a non-invasive treatment that can reduce pain, increase local blood circulation, and promote tissue repair. The higher energy output of high-intensity laser therapy also have deeper tissue penetration. Several studies have investigated the effects of high-intensity laser therapy on lateral epicondylitis, and the existing literature indicates that, compared with other treatment modalities, high-intensity laser therapy is more effective in improving pain and quality of life in patients with lateral epicondylitis.

However, the dosage, duration, and treatment frequency applied in previous studies vary considerably. The therapeutic effects of high-intensity laser therapy may therefore be influenced by treatment dosage. Consequently, the purpose of this study is to compare the effects of two different dosages of high-intensity laser therapy on patients with lateral epicondylitis.

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Key information

Conditions

Lateral Epicondylitis Arm Injuries Elbow Injuries Elbow Tendinopathy High Intensity Laser High Intensity Laser Therapy Muscular Diseases Musculoskeletal Diseases Tendinopathy Tendon Injuries Tennis Elbow Wounds and Injuries

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 4

Primary location

TSAI CHENG-TAO Physical Therapy Clinic

Kaohsiung City, 803, Taiwan

Location status: Recruiting

Location contact

CHENG-TAO TSAI

CONTACT

[email protected]

+886 932772196

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients diagnosed with lateral epicondylitis by physician
  • Disease duration of less than three months
  • Adults aged above 18 years with full decision-making capacity

Exclusion criteria

  • Patients who have received treatments other than standard treatment to the affected area within past three months
  • Patients with contraindication for rehabilitation therapy
  • Photosensitivity
  • Sensory impairment
  • Implanted cardiac pacemaker
  • Pregnancy
  • Malignancy
  • Patients with a history of surgery on the affected elbow
  • Patients with cervical radiculopathy

Treatment and study plan

High intensity laser therapy

Device

Using high-intensity laser therapy applying on the affected area.

Infarred ray therapy system

Device

Using infarred ray therapy applying on affected area for 15 minutes.

Transcutaneous electrical nerve stimulator

Device

Using transcutaneous electrical nerve stimulator on the affected area fior 15 minutes.

Primary outcomes

  1. Pain intensity

    Time frame: From enrollment to the end of treatment at 4 weeks

    Using visual analog scale to measure pain intensity. Score from 0 to 10. Score 0 means no pain and score 10 indicates highest pain.

Secondary outcomes

  1. Grip strength

    Time frame: From enrollment to the end of treatment at 4 weeks

    Using dynanometer to measure grip strength

  2. Quality of life

    Time frame: From enrollment to the end of treatment at 4 weeks

    Using Quick disabilities of the Arm, Shoulder, and hand scale (also known as Quick DASH) to measure quality of life of participants. Scale contains 11 questions. Each question scored from 1 to 5, higher score indicates higher degree of disability.

Study contacts

Contact information is provided by the study sponsor or research team.

CHENG-CHANG LU

CONTACT

[email protected]

+886 975357331

MIN-HAO TSAI

CONTACT

[email protected]

+886 908011166

Sponsors and collaborators

Lead sponsor

Kaohsiung Medical University Chung-Ho Memorial Hospital

Other

Registry information

Official study title

Comparison of the Effects of High and Low Dose High-intensity Laser Therapy in Patients With Lateral Epicondylitis

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Jan 15, 2026
Registry last updated
Jan 21, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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