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Randomized controlled trial of a wellbeing smartphone application (Intellect app) aimed to reduce depressive symptoms in Japanese Working Adults presenting with depressive symptoms.

Randomized controlled trial of a wellbeing smartphone application (Intellect app) aimed to reduce depressive symptoms in Japanese Working Adults presenting with depressive symptoms. - Randomized controlled trial of a wellbeing smartphone application (Intellect app) aimed to reduce depressive symptoms in Japanese Working Adults presenting with depressive symptoms.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000051354
Enrollment
90
Registered
2023-06-16
Start date
2023-06-16
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Depressive symptoms

Interventions

Engage with the &quot
Intellect&quot
application for at least 20 mins / week, for 4 consecutive weeks. assessment only

Sponsors

University of Human Environments
Lead Sponsor
Intellect Japan Co., Ltd.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: A full-time Japanese employees wi th mild, moderate, severe levels o f depressive symptoms Have given consent to participate in the study Those who use smartphones on a daily basis

Exclusion criteria

Exclusion criteria: With suicidal thoughts Other persons deemed inappropriate as subjects of this study by the principal investigator

Design outcomes

Primary

MeasureTime frame
Depressive symptoms (Measured by PHQ-4) at 2-month follow-up after 1-month intervention—

Secondary

MeasureTime frame
Wellbeing and Organizational Outcome (Measured by EW-OO-S) Cognitive Behavioral Therapy Skills (Measured by CBT-SS) Usability/Accessibility (Measured by iOSDMH)—

Countries

Japan

Contacts

Public ContactKengo Yokomitsu

University of Human Environments School of Psychological Sciences

yokomitsuken5@gmail.com08066417784

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026