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Digital Therapeutics for Social Cognitive Function in Schizophrenia Spectrum Disorder

2026年8月19日 更新者：Jung-Seok Choi、Samsung Medical Center

A Prospective, Randomized Parallel, Single Institution, Researcher-led Clinical Trial on the Effect of Improving Social Cognitive Function by Using Digital Therapy Devices in Patients With Schizophrenia Spectrum Disorder

The purpose of this study is to evaluate the safety and preliminary effectiveness of a smartphone-based digital therapeutic application (AffectUs) for improving social cognition, particularly emotion processing and social cue perception, in individuals with schizophrenia spectrum disorders.

In this randomized controlled trial, participants will be assigned either to use AffectUs for 10 weeks in addition to treatment as usual or to receive psychoeducational materials and treatment as usual. Participants will complete assessments at baseline, week 5, week 10, and week 15 to evaluate social cognition, clinical outcomes, and safety.

調査の概要

状態

募集

条件

介入・治療

詳細な説明

Social cognition refers to the mental processes involved in perceiving, interpreting, and reasoning about others' emotions, intentions, and behaviors. Patients with schizophrenia spectrum disorders consistently exhibit deficits in social cognition, which are associated with impaired social functioning and psychosocial outcomes and remain an important treatment target despite pharmacological management.

Although psychosocial interventions targeting social cognition have demonstrated beneficial effects, their implementation is often limited by the need for prolonged, therapist-led, in-person treatment. Recent studies suggest that digital interventions may improve accessibility while producing meaningful improvements in core social cognitive domains, particularly emotion processing and social cue perception.

Based on this evidence, AffectUs was developed as a smartphone-based digital therapeutic application that provides brief, repeated, remote training in emotion processing and social cue perception for individuals with schizophrenia spectrum disorders. This exploratory study evaluates the safety and preliminary effectiveness of AffectUs and aims to provide foundational evidence for future confirmatory clinical trials of digital therapeutics for schizophrenia spectrum disorders.

研究の種類

介入

入学 (推定)

60

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

研究場所

  • 韓国
      • Seoul、韓国、06351
        • 募集
        • Samsung Medical Center

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

  • 大人

健康ボランティアの受け入れ

いいえ

説明

A. Inclusion Criteria

Participants must meet all of the following criteria:

  1. Adults aged 19 to 60 years.
  2. Meet the diagnostic criteria for schizophrenia or schizoaffective disorder according to DSM-5 and ICD-11.
  3. Have completed at least a middle school education.
  4. Be able to read and write in Korean.
  5. Be able to use a smartphone application independently.
  6. Provide written informed consent before participation.
  7. Receiving stable antipsychotic treatment (dose variation ≤30%) for at least 3 months before enrollment.

Exclusion Criteria

  1. Current or past diagnosis of intellectual disability.
  2. Initiation of or current participation in structured psychosocial interventions (e.g., cognitive behavioral therapy or social cognition training) within the past 3 months.
  3. Considered by the investigator to be at significant risk of suicide. 4, Pregnant or having a positive pregnancy test at screening.

5. Any condition that, in the opinion of the investigator, would make participation unsafe or interfere with study participation or data interpretation.

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：Digital Therapeutic (AffectUs)
Participants use the AffectUs digital therapeutic application, which provides structured social cognition training focused on emotion processing and social cue perception, five times per week for approximately 10-15 minutes per session over a 10-week period (total 50 sessions), in addition to standard psychiatric care.
行動：Digital therapeutic (AffectUs)
A smartphone-based digital therapeutic application (AffectUs) that provides structured social cognition training focused on emotion processing and social cue perception. Participants use the application five times per week for approximately 10-15 minutes per session over a 10-week period (total 50 sessions). The program is self-guided and delivered through a smartphone application.
他の名前：
  • Digital therapeutic application for social cognition training
アクティブコンパレータ：Active Control (Psychoeducation)
Participants receive standard psychiatric care in addition to weekly psychoeducational materials covering schizophrenia, medication adherence, stress management, sleep, self-care, and crisis coping strategies over a 10-week period.
行動：Psychoeducational materials
Structured psychoeducational materials providing information about schizophrenia, medication adherence, stress management, and daily self-management. Participants receive one psychoeducational module per week over a 10-week period. The content is informational and does not include social cognition training components.
他の名前：
  • Schizophrenia management education

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
Change in Emotion Recognition Performance
時間枠：Baseline and Week 10 (end of treatment)

hange from baseline to Week 10 in performance on the Korean Facial Emotion Identification Test (K-FEIT) and Korean Facial Emotion Differentiation Test (K-FEDT).

Performance is measured as the proportion of correct responses across all items, ranging from 0 to 1. Higher scores indicate greater accuracy and better emotion recognition performance.
Baseline and Week 10 (end of treatment)
Change in Social Cue Perception Performance
時間枠：Baseline and Week 10 (end of treatment)
Change from baseline to Week 10 in performance on a video-based social cue perception task assessing the ability to interpret social situations and contextual social cues. The total score ranges from 0 to 40, with higher scores indicating better social cue perception performance.
Baseline and Week 10 (end of treatment)

二次結果の測定

結果測定
メジャーの説明
時間枠
Change in Emotion Recognition Performance (Week 5)
時間枠：Baseline and Week 5
Change from baseline to Week 5 in performance on the Korean Facial Emotion Identification Test (K-FEIT) and Korean Facial Emotion Differentiation Test (K-FEDT). Performance is measured as the proportion of correct responses across all items, ranging from 0 to 1. Higher scores indicate greater accuracy and better emotion recognition performance.
Baseline and Week 5
Change in Emotion Recognition Performance (Week 15)
時間枠：Baseline and Week 15
Change from baseline to Week 15 in performance on the Korean Facial Emotion Identification Test (K-FEIT) and Korean Facial Emotion Differentiation Test (K-FEDT). Performance is measured as the proportion of correct responses across all items, ranging from 0 to 1. Higher scores indicate greater accuracy and better emotion recognition performance.
Baseline and Week 15
Change in Social Cue Perception Performance (Week 5)
時間枠：Baseline and Week 5
Change from baseline to Week 5 in performance on a clinician-rated, video-based social cue perception task assessing the ability to interpret social situations and contextual social cues. The total score ranges from 0 to 40, with higher scores indicating better social cue perception performance.
Baseline and Week 5
Change in Social Cue Perception Performance (Week 15)
時間枠：Baseline and Week 15
Change from baseline to Week 15 in performance on a clinician-rated, video-based social cue perception task assessing the ability to interpret social situations and contextual social cues. The total score ranges from 0 to 40, with higher scores indicating better social cue perception
Baseline and Week 15
Change in Social Functioning
時間枠：Baseline, Week 10, and Week 15
Change from baseline in social functioning as measured by the Social and Occupational Functioning Assessment Scale (SOFAS), a clinician-rated scale. The total score ranges from 0 to 100, with higher scores indicating better social functioning.
Baseline, Week 10, and Week 15
Change in Schizophrenia Symptom Severity
時間枠：Baseline, Week 10, and Week 15
Change from baseline in total and subscale scores on the Korean version of the Positive and Negative Syndrome Scale (K-PANSS). The Positive and Negative subscale scores each range from 7 to 49, the General Psychopathology subscale score ranges from 16 to 112, and the total score ranges from 30 to 210. Higher scores indicate greater schizophrenia symptom severity.
Baseline, Week 10, and Week 15
Change in Emotional Intelligence
時間枠：Baseline, Week 10, and Week 15
Change from baseline in emotional intelligence as measured by the Emotional Intelligence Diagnostic Test. The total score ranges from 50 to 250, with higher scores indicating better emotional intelligence.
Baseline, Week 10, and Week 15
Change in Quality of Life
時間枠：Baseline, Week 10, and Week 15
Change from baseline in quality of life as measured by the World Health Organization Quality of Life-BREF (WHOQOL-BREF). The WHOQOL-BREF includes four domain scores: Physical Health, Psychological, Social Relationships, and Environment. Each domain score is transformed to a scale ranging from 0 to 100, with higher scores indicating better quality of life. Two additional single items assess overall quality of life and satisfaction with general health, each ranging from 1 to 5, with higher scores indicating better overall quality of life and greater satisfaction with health, respectively.
Baseline, Week 10, and Week 15
Change in Depressive Symptoms
時間枠：Baseline, Week 10, and Week 15
Change from baseline in depressive symptom severity as measured by the Patient Health Questionnaire-9 (PHQ-9). The total score ranges from 0 to 27, with higher scores indicating greater depressive symptom severity.
Baseline, Week 10, and Week 15
Change in Anxiety Symptoms
時間枠：Baseline, Week 10, and Week 15
Change from baseline in anxiety symptom severity as measured by the Generalized Anxiety Disorder-7 (GAD-7). The total score ranges from 0 to 21, with higher scores indicating greater anxiety symptom severity.
Baseline, Week 10, and Week 15
Change in Perceived Stress
時間枠：Baseline, Week 10, and Week 15
Change from baseline in perceived stress as measured by the Perceived Stress Scale-10 (PSS-10). The total score ranges from 0 to 40, with higher scores indicating greater perceived stress.
Baseline, Week 10, and Week 15
Change in Resilience
時間枠：Baseline, Week 10, and Week 15
It's not strictly necessary just to satisfy the reviewer's request, but it prevents ambiguity because someone seeing a 6-item scale might otherwise expect the possible score to be 6-30. Stating that the mean score ranges from 1 to 5 makes it immediately clear why the reported range is 1-5.
Baseline, Week 10, and Week 15
Change in Self-Esteem
時間枠：Baseline, Week 10, and Week 15
Change from baseline in self-esteem as measured by the Rosenberg Self-Esteem Scale (R-SES). The total score ranges from 10 to 40, with higher scores indicating higher self-esteem.
Baseline, Week 10, and Week 15
Change in Insight
時間枠：Baseline, Week 10, and Week 15
Change from baseline in insight as measured by the Birchwood Insight Scale (BIS). The total score ranges from 0 to 16, with higher scores indicating better insight.
Baseline, Week 10, and Week 15
Change in Disability and Functioning
時間枠：Baseline, Week 10, and Week 15
Change from baseline in disability and functioning as measured by the World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0), 36-item version. Using the complex scoring method, the summary score ranges from 0 to 100, with higher scores indicating greater disability and functional impairment.
Baseline, Week 10, and Week 15

その他の成果指標

結果測定
メジャーの説明
時間枠
Treatment Adherence
時間枠：Week 1 to Week 10
Treatment adherence will be assessed based on AffectUs training completion during the 10-week intervention. The training completion rate will be calculated as the percentage of prescribed training sessions completed out of 50 total sessions, ranging from 0% to 100%, with higher percentages indicating greater treatment adherence.
Week 1 to Week 10
User Satisfaction With AffectUs
時間枠：Week 5 and Week 10
User satisfaction with the AffectUs program assessed using a single-item satisfaction question in the digital therapeutic group. The score ranges from 1 to 7, with higher scores indicating greater satisfaction.
Week 5 and Week 10

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

Samsung Medical Center

捜査官

  • 主任研究者：Jung-Seok Choi, M.D.、Samsung Medical Center

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 (実際)

2026年7月15日

一次修了 (推定)

2026年12月1日

研究の完了 (推定)

2027年3月1日

試験登録日

最初に提出

2026年8月4日

QC基準を満たした最初の提出物

2026年8月4日

最初の投稿 (実際)

2026年8月10日

学習記録の更新

投稿された最後の更新 (実際)

2026年8月21日

QC基準を満たした最後の更新が送信されました

2026年8月19日

最終確認日

2026年8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

  • SMC IRB_2026-04-190
  • HR21C0885 (その他の助成金/資金番号：Korea Health Industry Development Institute (KHIDI))

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 (IPD) will not be shared.

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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

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