Exploratory study of effect on depression and behavior change with smartphone-based behavioral activation

Exploratory study of effect on depression and behavior change with smartphone-based behavioral activation - Exploratory study for efficacy of smartphone-based behavioral activation

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000053619

Enrollment

Registered

2024-02-15

Start date

2024-02-01

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

Use the &quot

Zoo Repo&quot

, an smartphone application of behavioral activation, for 4 weeks. Use the &quot

BEARS&quot

, an web application of behavioral activation, for 4 weeks. Waiting-list

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 18 years old or older and under 29 years old. Person with 5 or greater and 19 or less with depressive symptoms(PHQ-9). Those who have consent to participate in this research.

Exclusion criteria

Exclusion criteria: The score of item 9 in PHQ-9 has 3 or grater. Those who are currently attending a medical institution due to psychological problems. Those who are currently receiving psychological counseling. Others who have been determined to be inappropriate as a target by researchers.

Design outcomes

Primary

Measure	Time frame
Patient Health Questionnaire - 9	—

Secondary

Measure	Time frame
Environmental Reward Observation Scale Fatigue Severity Scale	—

Countries

Japan

Contacts

Public ContactAmi Yamasato

Yokohama City University Research and Industry-Academia Collaboration Division

takeda.ami.nm@yokohama-cu.ac.jp05035757535

Outcome results

None listed

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