UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057617
Receipt number R000065450
Scientific Title The effect of electroacupuncture on Time to Stabilization in chronic ankle instability.
Date of disclosure of the study information 2025/05/01
Last modified on 2025/04/15 13:50:15

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Basic information

Public title

The effect of electroacupuncture on Time to Stabilization in chronic ankle instability.

Acronym

The effect of electroacupuncture on Time to Stabilization in chronic ankle instability.

Scientific Title

The effect of electroacupuncture on Time to Stabilization in chronic ankle instability.

Scientific Title:Acronym

The effect of electroacupuncture on Time to Stabilization in chronic ankle instability.

Region

Japan


Condition

Condition

Chronic Ankle Instability

Classification by specialty

Not applicable

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study is to investigate the effect of acupuncture on postural stabilization time after landing on a single-leg drop jump landing. The significance of this study is that not only the incidence of ankle sprains during sports activities is high, but also the sprains are likely to be shifted to CAI. FAI is reported to cause a decrease in the ability to control posture. Recently, TTS has been focused as one of the evaluation methods for postural control ability. It is assumed that the shortening of postural stabilization time by acupuncture improves postural control ability and decreases ankle instability, which may contribute to the prevention of ankle sprains. Compared to the evaluation items used in previous studies, this study will use a single-leg drop-jump landing, which is an exercise task similar to a sports activities, and thus may be applicable to the sports field.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase

Phase I,II


Assessment

Primary outcomes

The primary outcome of this study is the postural stabilization time of 20 seconds after single-leg drop jump landing. The postural stabilization time is the time required for the posture to stabilize, and is calculated using the floor reaction force components in the left and right directions after landing a one-leg drop jump. The postural stabilization time will be evaluated by measuring the postural stabilization time before and after the acupuncture or control.

Key secondary outcomes

The first secondary outcome of the present study is the center-of-gravity sway during 5 seconds after landing a one-leg drop-jump. In this study, the center of gravity sway is evaluated by the total trajectory length, which represents the total distance traveled by the center of plantar pressure. Since the force plate and TRIAS used in this study can also measure the center of gravity sway from the floor reaction force component, the postural stabilization time and the total trajectory length will be measured simultaneously from one trial. The time of evaluation will be assessed by measuring the total trajectory length before and after intervention and rest holding. The second secondary outcome of this study is the measurement of ankle instability during the landing of a one-leg drop jump. This Visual Analogue Scale will be administered twice at the end of each drop-jump landing, before and after acupuncture stimulation or rest holding. The subjects are asked to fill in the 100 mm line from the left to the right, with 0 mm being no instability at all and 100 mm being the strongest instability imaginable.


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

No treatment

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

Numbered container method


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Device,equipment

Interventions/Control_1

(1) Electroacupuncture group Phase 1 will include 7 interventions out of a total of 14 measurements spaced at least 1 week apart. Phase 2 will include 1 intervention out of a total of 2 measurements spaced at least 1 week apart. The electroacupuncture stimulation is performed using completely sterile, single-use disposable stainless steel needles (Seirin:40 mm in length and 0.2 mm in diameter) after thorough disinfection of the hands and treatment area. The acupuncture needle should be placed in the peroneus shortus muscle on the affected side. The depth of penetration should be just enough to reach the muscle(approximately 2 cm). The stimulation frequency is 1 Hz, the stimulation duration is 10 minutes,and the stimulation intensity is sufficient to induce muscle contraction. A picorina (Seirin, electro-acupuncture pole low-frequency treatment device) will be used for the electro-acupuncture stimulation. Participants will be placed in a supine position on the bed with the affected side of the body facing upward,and will be kept awake and at rest during the acupuncture stimulation.

Interventions/Control_2

(2) Control group Phase 1 will include 7 interventions out of a total of 14 measurements spaced at least 1 week apart. Phase 2 will include 1 intervention out of a total of 2 measurements spaced at least 1 week apart . Participants will be placed in the same position as in the acupuncture group, lying on their side on the bed with the affected side upward, and will be kept awake and at rest. In order to match the acupuncture group, the resting period will be 15 minutes, taking into account the time required for the treatment and preparation time.

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

40 years-old >=

Gender

Male and Female

Key inclusion criteria

Phase 1: 1 adult with FAI Phase 2: 12 adults with FAI.

1) Inclusion Criteria
(1) History of at least one severe ankle sprain. (The first sprain must have occurred at least 1 year prior to study enrollment and must have been accompanied by inflammatory symptoms that limited desired physical activity for at least 1 day)
(2)Giving way: a sensation of twisting or instability of the ankle in daily life or during exercise.
(3)Identification of Functional Ankle Instability-J (hereafter: IdFAI-J) score of 11 or more (IdFAI-J: Functional Ankle Instability Questionnaire Japanese version)

Key exclusion criteria

(1) History of musculoskeletal surgery or fracture of the lower extremity
(2) Trauma to the lower extremity within the past 3 months that resulted in the cessation of physical activity for at least 1 day.
(3)Has vestibular or neurological dysfunction.

Target sample size

13


Research contact person

Name of lead principal investigator

1st name Hiroto
Middle name
Last name Yorimoto

Organization

Tokyo Ariake University of Medical and Health Science

Division name

Graduate School of Health Care Medicine MST Division Pre-Doctoral Program

Zip code

135-0063

Address

2-9-1 Ariake, Koto-ku, Tokyo

TEL

03-6730-7000

Email

5124004@tau.ac.jp


Public contact

Name of contact person

1st name Hiroto
Middle name
Last name Yorimoto

Organization

Tokyo Ariake University of Medical and Health Science

Division name

Graduate School of Health Care Medicine MST Division Pre-Doctoral Program

Zip code

135-0063

Address

2-9-1 Ariake, Koto-ku, Tokyo

TEL

03-6730-7000

Homepage URL


Email

514004@tau.ac.jp


Sponsor or person

Institute

Tokyo Ariake University of Medical and Health Science

Institute

Department

Personal name



Funding Source

Organization

Tokyo Ariake University of Medical and Health Science

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Tokyo Ariake University of Medical and Health Science

Address

2-9-1 Ariake, Koto-ku, Tokyo

Tel

03-6730-7000

Email

514004@tau.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

2025 Year 05 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

Open public recruiting

Date of protocol fixation

2024 Year 08 Month 01 Day

Date of IRB

2025 Year 01 Month 30 Day

Anticipated trial start date

2024 Year 08 Month 29 Day

Last follow-up date

2026 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

2025 Year 04 Month 15 Day

Last modified on

2025 Year 04 Month 15 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000065450