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Exploratory Trial of the "HiDongDong" Language Rehabilitation App for Articulation Delay.

2026年5月26日 更新者：JeeHyun Suh、Seoul National University Bundang Hospital

A Prospective, Single-center, Randomized Controlled, Open-Label, Assessor-Blinded, Investigator-Initiated Exploratory Clinical Trial of the Application-Based Language Rehabilitation Program "HiDongDong" for Improving Language Development in Children Suspected of Articulation and Phonological Delay

The purpose of this study is to evaluate the effectiveness of the AI-based application "HiDongDong" in improving articulation development in children aged 2 to under 14 years with suspected articulation delays. The program provides individualized language training based on a personalized assessment of vulnerable speech sounds. This trial aims to determine whether the digital therapeutic solution can enhance articulation skills and inform future strategies for language rehabilitation in children.

調査の概要

状態

まだ募集していません

条件

介入・治療

詳細な説明

This exploratory randomized controlled trial (RCT) evaluates the effectiveness of the AI-based application "HiDongDong" in improving articulation in children aged 2 to under 14 years with suspected articulation delays.

1. Study Methods

  1. Screening and Enrollment Children suspected of articulation developmental delay will be assessed for eligibility according to predefined inclusion and exclusion criteria. Eligible participants will be enrolled, randomized, and scheduled for study visits.

  2. Visit 1 - Baseline Assessment

    At the first visit, a blinded assessor will collect demographic data (child's age, sex, and underlying medical conditions) and conduct a single baseline assessment, including the following:

    • Language assessments: U-TAP (Urimal Test of Articulation and Phonology)

      • SELSI (Sequenced Language Scale for Infants) or PRES (Preschool Receptive- Expressive Language Scale)
    • Functional independence: WeeFIM (Functional Independence Measure for Children)
    • Caregiver emotional status: Satisfaction (5-point Likert scale), depression (BDI; Beck Depression Inventory), anxiety (BAI; Beck Anxiety Inventory)
    • Clinician satisfaction: 5-point Likert scale
  3. Post-Assessment Procedures Following baseline assessment, the control group will be discharged and return home. For the intervention group, a personalized language training program will be generated based on the results of the HiDongDong assessment.
  4. Training and Orientation Participants in the intervention group will receive instruction on how to use the HiDongDong language training program, along with guidance on the study procedures.
  5. Intervention Period The intervention group will complete the HiDongDong language training program at home under caregiver supervision for 4 weeks, 5 sessions per week, 20 minutes per session. Adherence will be monitored throughout the intervention period. The control group will receive language training provided by a speech-language pathologist.
  6. Visit 2 - Post-Intervention Assessment and Study Completion Four weeks after the intervention, both the control and intervention groups will undergo a single post-intervention assessment conducted by a blinded assessor. Upon completion of the assessment, follow-up will be concluded.

2. Comparator and Randomization Participants will be randomized by an independent statistician affiliated with the Medical Research Collaborating Center of the Biomedical Research Institute at Seoul National University Bundang Hospital (SNUBH), using SAS version 9.4.

Assessor blinding will be applied. A blinded assessor (e.g., a hospital-based speech-language pathologist) will conduct all assessments without knowledge of each participant's group allocation, in an independent time and setting.

The sole difference between the two groups is the provider of the intervention:

  • Control group: Language training delivered by a speech-language pathologist
  • Intervention group: Language training delivered via the HiDongDong application (investigational medical device)

Participants will return after 4 weeks for post-intervention assessment by a blinded assessor, after which follow-up will be concluded.

To prevent interim analysis, assessment results will not be disclosed to any study personnel until the dataset is complete.

研究の種類

介入

入学 (推定)

48

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

  • 名前：SEJIN KWON, BHS
  • 電話番号：+82 10-2939-7143
  • メール：RQ300@snubh.org

研究場所

  • 韓国
    • Gyeonggi-do
      • Seongnam-si、Gyeonggi-do、韓国、13620
        • Seoul National University Bundang Hospital
        • コンタクト：
          • JINJU LEE, MSc
          • 電話番号：+82-10-3377-5741
          • メール：RQ317@snubh.org

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 子

健康ボランティアの受け入れ

いいえ

説明

Inclusion Criteria:

  1. Children aged 2 years to under 14 years
  2. Persistent difficulties in speech sound production, or reduced speech intelligibility that interferes with communicative participation, resulting in limitations in social participation, academic performance, or daily activities
  3. Articulation developmental delay suspected based on U-TAP results, with articulation performance more than 1 standard deviation below the mean for the same age group (-1SD)
  4. Sufficient cognitive ability to follow simple instructions via a mobile device (tablet)
  5. For children under 7 years of age: a caregiver who has received sufficient explanation of the study purpose and procedures and has voluntarily provided written informed consent
  6. For children aged 7 years or older: voluntary assent from the child after sufficient explanation of the study purpose and procedures by the investigator,

in addition to written informed consent from the caregiver

Exclusion Criteria:

  1. Caregiver or child does not consent to study participation, or withdraws consent during the study
  2. U-TAP results indicate articulation development within the normal range, with no suspicion of articulation developmental delay
  3. Difficulty understanding simple instructions or participating in assessments and training due to moderate or severe cognitive impairment, attention deficit, autism spectrum disorder, or similar conditions
  4. Significantly limited speech production due to neuromuscular or anatomical causes, including severe visual impairment or visual field deficits, hearing impairment, cleft palate structural abnormalities, or severe oral/facial muscle dysfunction, resulting in difficulty with articulation
  5. Inability to continue study participation due to acute illness or other conditions that may affect assessment or training during the study period, or unwillingness of the caregiver or child to continue participation
  6. Determination by the principal investigator that study participation may pose a risk to the safety or well-being of the child

Any one of the above exclusion criteria is sufficient for exclusion.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか？

デザインの詳細

  • 主な目的：処理
  • 割り当て：ランダム化
  • 介入モデル：並列代入
  • マスキング：独身

武器と介入

参加者グループ / アーム
介入・治療
実験的：HiDongDong Intervention
Participants will receive a 4-week individualized articulation training program delivered via the AI-based HiDongDong application. Training will be conducted at home under caregiver monitoring, 5 sessions per week, 20 minutes per session. Adherence and engagement will be monitored. Pre- and post-intervention assessments will measure articulation accuracy, speech intelligibility, and overall language performance.
デバイス：HiDongDong Intervention
Participants will receive a 4-week individualized articulation training program delivered via the AI-based HiDongDong application. Training is conducted at home under caregiver monitoring, 5 sessions per week, 20 minutes per session. Exercises are tailored to each child's articulation needs based on baseline assessment using U-TAP and the study-specific word list. Adherence and engagement will be monitored.
アクティブコンパレータ：Standard Care / Speech Therapist Intervention
Participants will receive standard articulation training conducted by a certified speech-language therapist. Outcome assessments will be conducted at the same time points as the experimental group for comparison.
行動：Standard Care / Speech Therapist Intervention
Participants will receive standard articulation training conducted by a certified speech-language therapist. Outcome assessments will be conducted at the same time points as the experimental group for comparison.

この研究は何を測定していますか？

主要な結果の測定

結果測定
メジャーの説明
時間枠
Consonant accuracy (%) and vowel accuracy (%) assessed via U-TAP
時間枠：Baseline and post-intervention (4 weeks)
Korean Articulation and Phonology Assessment (U-TAP). Changes in articulation accuracy will be evaluated following the 4-week HiDongDong intervention compared to the control group. A blinded speech-language therapist will present picture stimuli, and children's consonant and vowel production will be analyzed at word and sentence levels to identify misarticulations and error patterns.
Baseline and post-intervention (4 weeks)

その他の成果指標

結果測定
メジャーの説明
時間枠
Receptive language score measured by SELSI
時間枠：Baseline and post-intervention (4 weeks)
Receptive language ability is assessed using the Sequenced Language Scale for Infants (SELSI). Higher scores indicate better receptive language comprehension ability.
Baseline and post-intervention (4 weeks)
Receptive language score measured by PRES
時間枠：Baseline and post-intervention (4 weeks)
Receptive language ability is assessed using the Preschool Receptive-Expressive Language Scale (PRES). Higher scores indicate better receptive language comprehension ability.
Baseline and post-intervention (4 weeks)
Expressive language score measured by SELSI
時間枠：Baseline and post-intervention (4 weeks)
Expressive language ability is assessed using the Sequenced Language Scale for Infants (SELSI). Higher scores indicate better expressive language ability.
Baseline and post-intervention (4 weeks)
Expressive language score measured by PRES
時間枠：Baseline and post-intervention (4 weeks)
Expressive language ability is assessed using the Preschool Receptive-Expressive Language Scale (PRES). Higher scores indicate better expressive language ability.
Baseline and post-intervention (4 weeks)
Functional Independence (WeeFIM)
時間枠：Baseline and post-intervention (4 weeks)
Total score (18-126 points) across 6 domains and 18 items assessing functional independence in daily living activities; higher scores indicate greater independence.
Baseline and post-intervention (4 weeks)
Caregiver Satisfaction
時間枠：Baseline and post-intervention( 4 weeks)
Caregiver satisfaction assessed using a 5-point Likert scale; higher scores indicate greater satisfaction.
Baseline and post-intervention( 4 weeks)
Caregiver Depression(Beck Depression Inventory)
時間枠：Baseline and post-intervention (4 weeks)
Caregiver depression assessed using the Beck Depression Inventory (BDI); total score ranges from 0 to 63, with higher scores indicating more severe depressive symptoms.
Baseline and post-intervention (4 weeks)
Caregiver Anxiety(Beck Anxiety Inventory)
時間枠：Baseline and post-intervention( 4 weeks)
Caregiver anxiety assessed using the Beck Anxiety Inventory (BAI); total score ranges from 0 to 63, with higher scores indicating more severe anxiety symptoms.
Baseline and post-intervention( 4 weeks)
Clinician Satisfaction
時間枠：Baseline and post-intervention( 4 weeks)
Clinician satisfaction assessed using a 5-point Likert scale (1-5); higher scores indicate greater satisfaction.
Baseline and post-intervention( 4 weeks)

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

Seoul National University Bundang Hospital

協力者

National IT Industry Promotion Agency, Republic of Korea

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (推定)

2026年5月1日

一次修了 (推定)

2026年7月1日

研究の完了 (推定)

2026年8月1日

試験登録日

最初に提出

2026年5月10日

QC基準を満たした最初の提出物

2026年5月26日

最初の投稿 (実際)

2026年5月29日

学習記録の更新

投稿された最後の更新 (実際)

2026年5月29日

QC基準を満たした最後の更新が送信されました

2026年5月26日

最終確認日

2026年5月1日

詳しくは

本研究に関する用語

キーワード

追加の関連 MeSH 用語

その他の研究ID番号

  • E-2510-1003-301

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

いいえ

IPD プランの説明

Individual participant data collected during the study will not be shared, in order to protect the privacy of pediatric participants and in accordance with institutional policy.

医薬品およびデバイス情報、研究文書

米国FDA規制医薬品の研究

いいえ

米国FDA規制機器製品の研究

いいえ

この情報は、Web サイト clinicaltrials.gov から変更なしで直接取得したものです。研究の詳細を変更、削除、または更新するリクエストがある場合は、register@clinicaltrials.gov。 までご連絡ください。 clinicaltrials.gov に変更が加えられるとすぐに、ウェブサイトでも自動的に更新されます。

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