UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000061412
Receipt number R000070268
Scientific Title Effects of Radial Extracorporeal Shock Wave Therapy on Ankle Dorsiflexion Range of Motion: Investigation of Mechanical and Neural/Perceptual Factors Focusing on the Triceps Surae and Kager's Fat Pad
Date of disclosure of the study information 2026/06/01
Last modified on 2026/04/29 23:56:28

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Basic information

Public title

Effects and Mechanisms of Radial Extracorporeal Shock Wave Therapy on Ankle Dorsiflexion Range of Motion

Acronym

Effects of Radial Extracorporeal Shock Wave Therapy on Ankle Dorsiflexion Range of Motion

Scientific Title

Effects of Radial Extracorporeal Shock Wave Therapy on Ankle Dorsiflexion Range of Motion: Investigation of Mechanical and Neural/Perceptual Factors Focusing on the Triceps Surae and Kager's Fat Pad

Scientific Title:Acronym

Effects of Radial Extracorporeal Shock Wave Therapy on Ankle Dorsiflexion Range of Motion: Investigation of Mechanical and Neural/Perceptual Factors

Region

Japan


Condition

Condition

None

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study aims to investigate the effects of radial extracorporeal shock wave therapy (rESWT) applied to the triceps surae and Kager's fat pad (KFP) on ankle dorsiflexion range of motion, as well as to elucidate its effects on mechanical and neural/perceptual factors, using changes in passive torque and tissue stiffness as outcome measures.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

Maximum ankle dorsiflexion angle, Weight-Bearing Lunge Test (WBLT)

Key secondary outcomes

Hallux dorsiflexion angle, Shear modulus, Passive torque, Slack angle, Stretch tolerance


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

No need to know


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Device,equipment

Interventions/Control_1

Radial extracorporeal shock wave therapy (rESWT) will be applied to the triceps surae and Kager's fat pad (KFP). The treatment parameters will be set at the maximum intensity tolerated by each participant, with a frequency of 12 Hz and 2000 pulses. First, rESWT will be delivered to the triceps surae using a 40-mm applicator, followed by treatment with a 15-mm applicator under the same conditions. Subsequently, rESWT will also be applied to the KFP using a 15-mm applicator under the same conditions.

Interventions/Control_2

Radial extracorporeal shock wave therapy (eESWT) will be applied only to Kager's fat pad (KFP). The treatment parameters will be set at the maximum intensity tolerated by each participant, with a frequency of 12 Hz and a total of 2000 pulses. A 15-mm applicator will be used for the treatment.

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

18 years-old <=

Age-upper limit

45 years-old >

Gender

Male and Female

Key inclusion criteria

Healthy adults with no history of ankle injury within the past 6 months

Key exclusion criteria

Individuals with a history of neurological disorders or a history of surgery involving the trunk or lower extremities

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Kota
Middle name
Last name Watanabe

Organization

Sapporo Medical University

Division name

Department of Sports Medicine, School of Medicine

Zip code

060-8556

Address

School of Health Sciences, Sapporo Medical University, South-1, West-17, Chuo-Ku, Sapporo, Hokkaido, Japan

TEL

011-611-2111

Email

wkota@sapmed.ac.jp


Public contact

Name of contact person

1st name Chisato
Middle name
Last name Okuizumi

Organization

Sapporo Medical University Graduate School

Division name

Division of Biomechanics&Sports Orthopedics, Department of Physical Therapy and Occupational Therapy

Zip code

060-8556

Address

School of Health Sciences, Sapporo Medical University, South-1, West-17, Chuo-Ku, Sapporo, Hokkaido,

TEL

011-611-2111

Homepage URL


Email

okuizumi@sapmed.ac.jp


Sponsor or person

Institute

Sapporo Medical University Graduate School

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethics Committee of Sapporo Medical University

Address

School of Health Sciences, Sapporo Medical University, South-1, West-17, Chuo-Ku, Sapporo, Hokkaido

Tel

011-611-2111

Email

rinri@sapmed.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2026 Year 06 Month 01 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Preinitiation

Date of protocol fixation

2026 Year 06 Month 01 Day

Date of IRB


Anticipated trial start date

2026 Year 06 Month 01 Day

Last follow-up date

2029 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 04 Month 29 Day

Last modified on

2026 Year 04 Month 29 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000070268