UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062394
Receipt number R000071406
Scientific Title Feasibility and Pre-Post Speech-in-Noise Outcomes of Smartphone Application-Based Auditory Training in Adults with Hearing Loss: A Prospective Single-Arm Study
Date of disclosure of the study information 2026/07/29
Last modified on 2026/07/29 20:45:26

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Basic information

Public title

A study of smartphone-based auditory training and listening in noise in adults with hearing loss

Acronym

Smartphone Auditory Training Study

Scientific Title

Feasibility and Pre-Post Speech-in-Noise Outcomes of Smartphone Application-Based Auditory Training in Adults with Hearing Loss: A Prospective Single-Arm Study

Scientific Title:Acronym

App-Based Auditory Training Study

Region

Japan


Condition

Condition

Hearing loss

Classification by specialty

Oto-rhino-laryngology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Many individuals with hearing loss experience difficulty understanding speech in noisy environments. As no established treatment is currently available, interventions to improve speech-in-noise ability are needed. This study aims to evaluate whether auditory training using a smartphone application improves speech-in-noise ability.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Changes from baseline to after 3 months of auditory training in the speech reception threshold corresponding to 50% correct responses (SRT50) on the digits-in-noise test (DIN) and digits-in-two-talker-babble test (DI2TB).

Key secondary outcomes

Changes from baseline to after the intervention in pure-tone audiometry, speech audiometry, and self-reported listening difficulties assessed using a questionnaire.


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

Other

Interventions/Control_1

A three-month auditory training program performed for 30 minutes daily using a smartphone application

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

60 years-old <=

Age-upper limit

85 years-old >=

Gender

Male and Female

Key inclusion criteria

Participants were required to meet all of the following criteria:
1. Normal pure-tone hearing with self-reported difficulty understanding speech in noise that interfered with daily life, or mild-to-moderate hearing loss
2. Daily smartphone use
3. Reduced speech-in-noise performance confirmed by screening testing

Key exclusion criteria

Participants with markedly insufficient training time or duration.

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Satoshi
Middle name
Last name Suda

Organization

Keio University School of Medicine

Division name

Department of Otorhinolaryngology, Head and Neck Surgery

Zip code

160-8582

Address

35 Shinanomachi, Shinjuku-ku, Tokyo, Japan

TEL

03-5363-3827

Email

s.sudamed@gmail.com


Public contact

Name of contact person

1st name Satoshi
Middle name
Last name Suda

Organization

Keio University School of Medicine

Division name

Department of Otorhinolaryngology, Head and Neck Surgery

Zip code

160-8582

Address

35 Shinanomachi, Shinjuku-ku, Tokyo, Japan

TEL

03-5363-3827

Homepage URL


Email

s.sudamed@gmail.com


Sponsor or person

Institute

Keio University

Institute

Department

Personal name

Satoshi Suda


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

OTO Clinic Tokyo Ethics Committee

Address

1-30-8 Sendagaya, Shibuya-ku, Tokyo, Japan

Tel

03-5363-3827

Email

oishin@keio.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 07 Month 29 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

23

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

2025 Year 07 Month 30 Day

Date of IRB

2025 Year 07 Month 30 Day

Anticipated trial start date

2025 Year 10 Month 18 Day

Last follow-up date

2026 Year 05 Month 02 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 07 Month 29 Day

Last modified on

2026 Year 07 Month 29 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071406