A comparative study of the outcome of different intensity of radial shockwave in treating upper trapezius myofascial trigger point with ultrasound therapy

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20170513002

Enrollment

Unknown

Registered

2017-05-13

Start date

2017-03-07

Completion date

Unknown

Last updated

2026-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Upper trapezius myofascial trigger point Myofascial trigger point

Interventions

Intensity: pain threshold Dosage: 500 shocks at TrP &#44

frequency 10 Hz Frequency: once weekly&#44

4 weeks ,Intensity: fairly pain threshold Dosage: 500 shocks at TrP &#44

4 weeks ,Intensity: pain tolerance Dosage: 500 shocks at TrP &#44

4 weeks ,Intensity: 1.5 Wtt/cm2 in pulse mode Dosage: 5 minutes&#44

frequency 1 MHz Frequency: 4 times/week&#44

1 week

Active Comparator Device,Active Comparator Device,Active Comparator Device,Active Comparator Device

Radial shock wave therapy,Radial shock wave therapy,Radial shock wave therapy,Ultrasound

Eligibility

Sex/Gender

All

Age

25 Years to 25 Years

Inclusion criteria

Inclusion criteria: Gender: Both Age: 25-55 years old Patient with symptoms of headache, shoulder pain, upper trapezius pain which meet the Simonâ€™s edited inclusion criteria

Exclusion criteria

Exclusion criteria: Have been treated with/during the treatment course of upper trapezius TrP Have other causes of neck pain: disorder of cervical spine and shoulder, cervical nerve root irritation, severe rheumatic disease Contraindication to RSWT Steroid injection in one month Coagulopathy including having antiplatelet/anticoagulant drug Pregnancy Unstable heart disease Tumor site and area surrounding lung large vessel and nerve

Design outcomes

Primary

Measure	Time frame
Pain score After intervention immediately Visual Analog scale	—

Secondary

Measure	Time frame
Pain Pressure Threshold After intervention immediately Algometer	—

Countries

Thailand

Contacts

Public ContactPRADIT PRATEEPVANICH

Faculty of Medicine Siriraj Hospital, Mahidol university

pradit.pra@mahidol.ac.th081-805-6007

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026