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

26 мая 2026 г. обновлено: 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.

Обзор исследования

Статус

Еще не набирают

Условия

Вмешательство/лечение

Подробное описание

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.

Тип исследования

Интервенционный

Регистрация (Оцененный)

48

Фаза

  • Непригодный

Контакты и местонахождение

В этом разделе приведены контактные данные лиц, проводящих исследование, и информация о том, где проводится это исследование.

Контакты исследования

  • Имя: SEJIN KWON, BHS
  • Номер телефона: +82 10-2939-7143
  • Электронная почта: RQ300@snubh.org

Места учебы

  • Южная Корея
    • Gyeonggi-do
      • Seongnam-si, Gyeonggi-do, Южная Корея, 13620
        • Seoul National University Bundang Hospital
        • Контакт:
          • JINJU LEE, MSc
          • Номер телефона: +82-10-3377-5741
          • Электронная почта: RQ317@snubh.org

Критерии участия

Исследователи ищут людей, которые соответствуют определенному описанию, называемому критериям приемлемости. Некоторыми примерами этих критериев являются общее состояние здоровья человека или предшествующее лечение.

Критерии приемлемости

Возраст, подходящий для обучения

  • Ребенок

Принимает здоровых добровольцев

Нет

Описание

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.

Учебный план

В этом разделе представлена ​​подробная информация о плане исследования, в том числе о том, как планируется исследование и что оно измеряет.

Как устроено исследование?

Детали дизайна

  • Основная цель: Уход
  • Распределение: Рандомизированный
  • Интервенционная модель: Параллельное назначение
  • Маскировка: Одинокий

Оружие и интервенции

Группа участников / Армия
Вмешательство/лечение
Экспериментальный: 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.
Устройство: 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.
Активный компаратор: 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.
Поведенческий: 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.

Что измеряет исследование?

Первичные показатели результатов

Мера результата
Мера Описание
Временное ограничение
Consonant accuracy (%) and vowel accuracy (%) assessed via U-TAP
Временное ограничение: 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)

Другие показатели результатов

Мера результата
Мера Описание
Временное ограничение
Receptive language score measured by SELSI
Временное ограничение: 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
Временное ограничение: 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
Временное ограничение: 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
Временное ограничение: 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)
Временное ограничение: 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
Временное ограничение: 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)
Временное ограничение: 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)
Временное ограничение: 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
Временное ограничение: 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)

Соавторы и исследователи

Здесь вы найдете людей и организации, участвующие в этом исследовании.

Спонсор

Seoul National University Bundang Hospital

Соавторы

National IT Industry Promotion Agency, Republic of Korea

Даты записи исследования

Эти даты отслеживают ход отправки отчетов об исследованиях и сводных результатов на сайт ClinicalTrials.gov. Записи исследований и сообщаемые результаты проверяются Национальной медицинской библиотекой (NLM), чтобы убедиться, что они соответствуют определенным стандартам контроля качества, прежде чем публиковать их на общедоступном веб-сайте.

Изучение основных дат

Начало исследования (Оцененный)

1 мая 2026 г.

Первичное завершение (Оцененный)

1 июля 2026 г.

Завершение исследования (Оцененный)

1 августа 2026 г.

Даты регистрации исследования

Первый отправленный

10 мая 2026 г.

Впервые представлено, что соответствует критериям контроля качества

26 мая 2026 г.

Первый опубликованный (Действительный)

29 мая 2026 г.

Обновления учебных записей

Последнее опубликованное обновление (Действительный)

29 мая 2026 г.

Последнее отправленное обновление, отвечающее критериям контроля качества

26 мая 2026 г.

Последняя проверка

1 мая 2026 г.

Дополнительная информация

Термины, связанные с этим исследованием

Ключевые слова

Дополнительные соответствующие термины MeSH

Другие идентификационные номера исследования

  • E-2510-1003-301

Планирование данных отдельных участников (IPD)

Планируете делиться данными об отдельных участниках (IPD)?

НЕТ

Описание плана IPD

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.

Информация о лекарствах и устройствах, исследовательские документы

Изучает лекарственный продукт, регулируемый FDA США.

Нет

Изучает продукт устройства, регулируемый Управлением по санитарному надзору за качеством пищевых продуктов и медикаментов США.

Нет

Эта информация была получена непосредственно с веб-сайта clinicaltrials.gov без каких-либо изменений. Если у вас есть запросы на изменение, удаление или обновление сведений об исследовании, обращайтесь по адресу register@clinicaltrials.gov. Как только изменение будет реализовано на clinicaltrials.gov, оно будет автоматически обновлено и на нашем веб-сайте. .

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