UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000049102
Receipt number R000055936
Scientific Title Effects of transcranial direct current stimulation and transcranial random noise stimulation on the inhibition of visual cross-modal distractors
Date of disclosure of the study information 2022/11/01
Last modified on 2024/03/11 16:06:44

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Basic information

Public title

Effects of transcranial direct current stimulation and transcranial random noise stimulation on the inhibition of visual cross-modal distractors

Acronym

Effects of tDCS and tRNS on the inhibition of visual cross-modal distractors

Scientific Title

Effects of transcranial direct current stimulation and transcranial random noise stimulation on the inhibition of visual cross-modal distractors

Scientific Title:Acronym

Effects of tDCS and tRNS on the inhibition of visual cross-modal distractors

Region

Japan


Condition

Condition

healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effects of tDCS and tRNS on the inhibition of visual cross-modal distractors.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Explanatory

Developmental phase



Assessment

Primary outcomes

Auditory working memory task
Electroencephalogram (EEG)

Key secondary outcomes

Sensational Questionnaire
Handedness Inventory


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation

YES

Institution consideration


Blocking

YES

Concealment



Intervention

No. of arms

3

Purpose of intervention

Treatment

Type of intervention

Device,equipment

Interventions/Control_1

All subjects will perform an auditory working memory task in three conditions: 1) prefrontal tDCS condition, 2) prefrontal tRNS+DC-offset condition, and 3) Sham condition as a placebo control in which stimulation is administered for only the first minute.
In the active stimulation group(1 and 2), a current stimulation was delivered at 2 mA for 20-min. In the sham group, sham stimulation consisted of a 60- s stimulation delivered at the beginning of the 20 min (30-s ramp-up and ramp-down) and 0 mA for the remainder of the period.

Interventions/Control_2

2)prefrontal tRNS condition
2 mA for 20 min(2mA for first 1 min)

Interventions/Control_3

3)Sham condition as a placebo control in which stimulation
0 mA for 20 min(2mA for first 1 min)

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

30 years-old >=

Gender

Male and Female

Key inclusion criteria

Inclusion criteria were 1) age range 18-30 years, 2) over 70 points on the Edinburgh Handedness Questionnaire Inventory (Oldfield, 1971) and 3) no experience conducting auditory working memory tasks with visual cross-modal distractors.

Key exclusion criteria

Exclusion criteria were 1) the history of neurological or psychiatric disorders and 2) functional limitations of both or either upper limb that influence the task performance.

Target sample size

46


Research contact person

Name of lead principal investigator

1st name Daisuke
Middle name
Last name Sawamura

Organization

Faculty of Health Sciences, Hokkaido University

Division name

Rehabilitation Sciences

Zip code

060-0812

Address

Kita 12, Nishi 5, Kita-Ku

TEL

0117063387

Email

D.sawamura@pop.med.hokudai.ac.jp


Public contact

Name of contact person

1st name Daisuke
Middle name
Last name Sawamura

Organization

Faculty of Health Sciences, Hokkaido University

Division name

Department of Rehabilitation Sciences

Zip code

060-0812

Address

Kita 12, Nishi 5, Kita-Ku

TEL

0117063387

Homepage URL


Email

D.sawamura@pop.med.hokudai.ac.jp


Sponsor or person

Institute

Hokkaido University

Institute

Department

Personal name



Funding Source

Organization

Hokkaido University

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

Ethical review board of Faculty of Health Sciences, Hokkaido University

Address

Kita 12, Nishi 5, Kita-Ku, Sapporo, Hokkaido, Japan

Tel

011-706-3316

Email

shomu@hs.hokudai.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

2022 Year 11 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

No longer recruiting

Date of protocol fixation

2022 Year 10 Month 24 Day

Date of IRB

2022 Year 10 Month 06 Day

Anticipated trial start date

2022 Year 10 Month 31 Day

Last follow-up date

2023 Year 12 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

2022 Year 10 Month 03 Day

Last modified on

2024 Year 03 Month 11 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000055936