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RecruitingNCT07119801Updated Aug 25, 2026

Clinical and Ultrasonographic Evaluation of the Efficacy of Extracorporeal Shock Wave Therapy (ESWT) in Post-Stroke Spasticity

An interventional study of Radial Extracorporeal Shock Wave Therapy and Conventional rehabilitation in Stroke, Spastic Hemiplegia and Extracorporal Shockwave Therapy (ESWT), sponsored by Pamukkale University. Recruiting at 1 site in Turkey (Türkiye). Open to participants aged 35 Years to 65 Years. Per ClinicalTrials.gov, last updated 2026-08-25.

Sponsored by Pamukkale University · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Started Sep 2025; still recruiting 1 year 2 months later.
Phase
Not applicable
Study type
Interventional
Enrollment
32
Allocation
Randomized
Ages
35 Years to 65 Years
Sex
All
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Study summary

This research evaluate the effectiveness of Extracorporeal Shock Wave Therapy (ESWT) for treating spasticity in the wrist flexor muscles (flexor carpi ulnaris - FCU and flexor carpi radialis - FCR) of chronic stroke patients.

Spasticity, a common complication after a stroke, causes muscle stiffness, pain, and functional limitation, leading to increased healthcare costs and a lower quality of life. Current treatments like medication and injections have significant drawbacks, such as side effects and high costs, creating a need for new, non-invasive, and effective methods.

The study highlights that traditional methods for assessing spasticity, like the Modified Ashworth Scale (MAS), are subjective. It proposes using objective, non-invasive ultrasound techniques-specifically strain elastography (to measure muscle stiffness) and echogenicity (to assess muscle tissue quality)-for a more reliable evaluation.

The primary goal of this research is to be the first to investigate the short- and long-term effects of ESWT on the FCR and FCU muscles using these objective ultrasound measures alongside traditional clinical scales. The findings are expected to help standardize ESWT treatment protocols and promote the use of objective ultrasound data for the management and follow-up of post-stroke spasticity.

02

Conditions studied

  • Stroke
  • Spastic Hemiplegia
  • Extracorporal Shockwave Therapy (ESWT)

Keywords

  • spastic hemiplegia
  • extracorporeal shockwave therapy
  • spasticity of the wrist flexors
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In context

Stroke

8,255 studies on the registry are indexed under Stroke; 2,056 are open to participants now.

This study's planned enrollment of 32 is below the median of 49 across 6,024 interventional studies indexed under Stroke.

Browse Stroke studies →

Lead sponsor

Pamukkale University is the lead sponsor of 342 studies on the registry; 61 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
35 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Age between 35 and 65 years.
  • First-ever stroke episode confirmed by MRI and/or CT scan.
  • Clinical diagnosis of hemiplegia.
  • More than 6 months post-stroke.
  • A Modified Ashworth Scale (MAS) score between 1 and 3 for wrist flexor spasticity.

Exclusion criteria

Exclusion Criteria:

  • History of more than one stroke episode
  • Stroke onset more than ten years ago
  • Stroke onset less than 6 months ago
  • Age over 65 (to limit the effects of aging on muscle structure)
  • for ESWT (e.g., cancer, local tumor or active infection in the treatment area, pregnancy, coagulation disorders, pacemaker or other electronic/metallic implants)
  • Severe aphasia or serious communication problems
  • Presence of fixed contracture in the wrist
  • Patients who have received botulinum toxin or phenol nerve block injections within the last 6 months
  • Medically unstable patients (e.g., uncontrolled hypertension, diabetes mellitus, or severe cardiac, hepatic, or renal disease)
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Outcomes assessor)
Enrollment
32 participants (estimated)

Study arms

  • Active comparator
    Conventional group

    This group will receive physical therapy for 1-2 hours daily, 5 days a week, for 12 weeks. The therapy will include range of motion (ROM) exercises, stretching exercises, progressive resistive exercises, positioning, postural control, weight-bearing exercises, balance and gait training, and occupational therapy. Speech and language therapy will also be included according to the patient's needs.

    Other: Conventional rehabilitation

  • Experimental
    radial ESWT (rESWT) plus conventional rehabilitation group

    The rESWT will be applied to the Flexor Carpi Ulnaris (FCU) and Flexor Carpi Radialis (FCR) muscles twice a week for four weeks, totaling eight sessions. The application site will be the midpoint of the most prominent part of each muscle. For each muscle, a 15 mm applicator head will be used to deliver 2000 impulses at a frequency of 5 Hz and an intensity of 60 mJ (1 bar), corresponding to an energy flux density of 0.340 mJ/mm². Additionally, this group will receive physical therapy for 1-2 hours daily, 5 days a week, for 12 weeks. The therapy will include range of motion (ROM) exercises, stretching exercises, progressive resistive exercises, positioning, postural control, weight-bearing exercises, balance and gait training, and occupational therapy. Speech and language therapy will also be included according to the patient's needs.

    Device: Radial Extracorporeal Shock Wave Therapy · Other: Conventional rehabilitation

Interventions

  • DeviceRadial Extracorporeal Shock Wave Therapy

    rESWT will be administered to the FCU and FCR muscles two days per week over a period of four weeks (8 sessions in total). The point of application will be selected as the center of the muscle belly for both the FCU and FCR. Each muscle will receive 2000 shocks using a 15 mm applicator tip at a frequency of 5 Hz. The treatment will be conducted at an intensity of 60 mJ (1 bar), with an energy flux density of 0.340 mJ/mm².

  • OtherConventional rehabilitation

    Conventional rehabilitation will be administered for 1-2 hours daily, 5 days a week, for 12 weeks. It will include range of motion exercises, stretching exercises, progressive resistive exercises, positioning, postural control, weight shifting, balance, gait training, occupational therapy, and speech-language therapy according to the patient's needs.

06

What researchers measure

Primary outcomes

  1. Modified Ashworth Scale

    The Ashworth Scale assesses the resistance encountered when an evaluator moves a limb through its full range of motion. According to the Modified Ashworth Scale: 0: No increase in muscle tone. 1: Slight increase in muscle tone, characterized by a catch and release or by minimal resistance at the end of the range of motion. 1+: Slight increase in muscle tone, characterized by a catch, followed by minimal resistance throughout the remainder (less than half) of the range of motion. 2: More marked increase in muscle tone throughout most of the range of motion, but the affected part(s) can be moved easily. 3: Considerable increase in muscle tone; passive movement is difficult. 4: Affected part(s) are rigid in flexion or extension.

    Time frame: Baseline, 4th week, 8th week and 12th week after treatment.

Secondary outcomes

  1. Wrist range of motion

    During the measurement, the goniometer is aligned with the joint's axis of rotation to determine the maximum angle during passive movement. It is crucial that the limb is moved slowly and carefully to avoid eliciting resistance from the patient's spastic muscles. A slow, controlled movement minimizes spasticity, thereby ensuring a more accurate measurement.Wrist passive range of motion will be measured.

    Time frame: Baseline 4th week 8th week and 12th week after treatment.

  2. Modified Barthel Index

    The Barthel Index (BI) consists of 10 items related to mobility and activities of daily living (ADL), and it assesses activities such as feeding, transfer from wheelchair to bed and back, personal grooming, bathing, walking, ascending and descending stairs, dressing, and bladder and bowel continence. The Modified Barthel Index (MBI) is a revision of the original Barthel Index (BI) and uses the same 10 items. The main difference between these two measures is that the MBI consistently classifies patient performance into five scoring levels: unable to perform the task, attempts the task but is unsafe, moderate assistance required, minimal assistance required, and fully independent. The total score of the MBI also ranges from 0 to 100, with higher scores indicating greater independence in ADL.

    Time frame: Baseline, 4th week, 8th week and 12th week after treatment.

  3. The Fugl-Meyer Upper Extremity Scale

    The Fugl-Meyer Assessment for the Upper Extremity (FMA-UE) is designed to quantitatively evaluate the motor function of stroke patients and includes tests for upper extremity motor and sensory function. The FMA-UE is used to assess upper extremity motor impairment and contains 33 items scored on a scale from 0 to 2 (0 = cannot perform, 1 = performs partially, and 2 = performs fully), with a total score range of 0-66. The FMA has been reported to have high reliability for testing motor performance in post-stroke patients.

    Time frame: Baseline, 4th week, 8th week and 12th week after treatment.

  4. Modified Heckmatt Scale

    he Modified Heckmatt Scale is a method that uses ultrasonography to reliably evaluate echogenic changes in a spastic muscle, thereby indicating the level of fibrotic change. The Modified Heckmatt Scale was developed to achieve greater sensitivity between grades compared to the original Heckmatt Scale, particularly for muscles with mildly to moderately increased echo intensity (Grades 2 and 3). Grade 1: Normal echogenicity, distinct from the bone echo, is observed in over 90% of the muscle. Grade 2: There is increased muscle echogenicity in 10-50% of the tissue, but a distinct bone echo and areas of normal muscle echo are still present. Grade 3: A marked increase in muscle echogenicity is seen in 50% to 90% of the tissue, with reduced differentiation of the bone echo from the muscle. Grade 4: Very strong muscle echogenicity is observed in \>90% of the tissue, with a near-complete loss of the distinct bone echo from the muscle.

    Time frame: Baseline, 4th week, 8th week and 12th week after treatment.

  5. Sonoelastographic strain index

    Quantitative elastography analysis will be used to measure stiffness. As a software feature of the ultrasound system, quantitative elastography analysis numerically measures the color distribution in a selected area across single or multiple frames and calculates an elasticity index for the measured area. The elasticity index is a value between 0.0 and 6.0, generated by the reflected color distribution within the selected region. A higher value signifies greater stiffness, which is predominantly represented by the color blue on the screen. While the elasticity index is calculated separately for the reference area and the muscle, the system automatically calculates the strain ratio as muscle/reference area.

    Time frame: Baseline, 4th week, 8th week and 12th week after treatment.

07

Study locations

1 of 1 sites recruiting
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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 25, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT07119801
Responsible party
Meltem Gunes Akinci (Assistant Professor, Pamukkale University) — Principal investigator
First posted
Aug 13, 2025
Start date
Sep 5, 2025
Primary completion
Apr 20, 2026
Completion
Dec 20, 2026 (estimated)
Last update
Aug 25, 2026

Study contacts

Meltem Güneş Akıncı, Assistant professor
Contact
meltem_aytekin@hotmail.com
+905375145590
Meltem Güneş Akıncı, Assistant professor
study director · Pamukkale University

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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