UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000060969
Receipt number R000069769
Scientific Title Preliminary Study of DSAS(dry swallow after suction)for Dysphagia with Velopharyngeal Insufficiency After Stroke.
Date of disclosure of the study information 2026/03/17
Last modified on 2026/03/17 22:30:16

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Basic information

Public title

Preliminary Study of DSAS(dry swallow after suction)for Dysphagia
with Velopharyngeal Insufficiency After Stroke.

Acronym

Preliminary Study of DSAS(dry swallow after suction)for Dysphagia
with Velopharyngeal Insufficiency After Stroke.

Scientific Title

Preliminary Study of DSAS(dry swallow after suction)for Dysphagia
with Velopharyngeal Insufficiency After Stroke.

Scientific Title:Acronym

Preliminary Study of DSAS(dry swallow after suction)for Dysphagia
with Velopharyngeal Insufficiency After Stroke.

Region

Japan


Condition

Condition

Stroke

Classification by specialty

Neurology Neurosurgery Rehabilitation medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To verify the efficacy of DSAS training by practicing it on multiple cases of dysphagia with velopharyngeal insufficiency after stroke.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Posterior and superior displacement of the velar knee.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

Implementation of Dry Swallow After Suction (DSAS) Training in a Stroke Patient with Velopharyngeal Insufficiency During Swallowing

Interventions/Control_2


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


Not applicable

Gender

Male and Female

Key inclusion criteria

(1)The maximum expiration time(MET)is 10 seconds or longer.
(2)Patients capable of voluntarily swallowing saliva
(3)Patients who retain the cognitive function necessary to understand the DSAS procedure

Key exclusion criteria

(1)Patients with tachypnea(respiratory rate of 25 breaths per minute or more).
(2)Patients with suspected aspiration based on the water-drinking test.
(3)Patients with comorbid conditions that cause progressive dysphagia.

Target sample size

10


Research contact person

Name of lead principal investigator

1st name Daisuke
Middle name
Last name Takeda

Organization

Tokai University Hachioji Hospital

Division name

Rehabilitation Technology Department

Zip code

192-0032

Address

1838 Ishikawa-cho, Hachioji, Tokyo

TEL

0570-000-802

Email

takeda.daisuke@tokai.ac.jp


Public contact

Name of contact person

1st name Daisuke
Middle name
Last name Takeda

Organization

Tokai University Hachioji Hospital

Division name

Rehabilitation Technology Department

Zip code

192-0032

Address

1838 Ishikawa-cho, Hachioji, Tokyo

TEL

0570-000-802

Homepage URL


Email

takeda.daisuke@tokai.ac.jp


Sponsor or person

Institute

Tokai University Hachioji Hospital

Institute

Department

Personal name



Funding Source

Organization

Tokai University Hachioji Hospital

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

Tokai University Hachioji Hospital

Address

1838 Ishikawa-cho, Hachioji, Tokyo

Tel

0570-000-802

Email

takeda.daisuke@tokai.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

東海大学医学部付属八王子病院(東京都)


Other administrative information

Date of disclosure of the study information

2026 Year 03 Month 17 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 01 Month 15 Day

Date of IRB


Anticipated trial start date

2026 Year 03 Month 19 Day

Last follow-up date

2029 Year 08 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 03 Month 17 Day

Last modified on

2026 Year 03 Month 17 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069769