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Smartphone Intervention for Subthreshold Depression

Feasibility, Usability, User Satisfaction, and Preliminary Efficacy of a Smartphone Intervention for Subthreshold Depression

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03110016
Enrollment
22
Registered
2017-04-12
Start date
2017-05-16
Completion date
2017-06-30
Last updated
2017-07-28

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

Conditions

Subthreshold Depression

Brief summary

The study aimed to examine the feasibility, usability, user satisfaction, safety, and preliminary efficacy of a smartphone application intervention for young adults with subthreshold depression.

Interventions

DEVICESmartphone Application

The participants use SPSRS to watch the motion picture for at least 10 min a day for 5 weeks.

Sponsors

Kibi International University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DEVICE_FEASIBILITY
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 24 Years
Healthy volunteers
No

Inclusion criteria

* Aged 18-24 years * Has a Center for Epidemiologic Studies Depression Scale score of ≥16 * Owns a smartphone with the iOS® operating system

Exclusion criteria

* Lifetime history of major depressive disorder * Lifetime history of bipolar disorder * Currently receiving treatment for a mental health problem from a mental health professional * Experience of a major depressive episode in the 2 weeks prior to the study, as ascertained using the Mini-International Neuropsychiatric Interview

Design outcomes

Primary

MeasureTime frameDescription
Feasibility, as measured by adherence to the smartphone application intervention.5 weeks after initiating the interventionAdherence is calculated as the number of minutes in a week for which the participant uses the SPSRS application divided by the recommended weekly duration (70 min).

Secondary

MeasureTime frameDescription
Number of participants with treatment-related adverse events as assessed by Mini-International Neuropsychiatric Interview.baseline and 1, 2, 3, 4, and 5 weeks after initiating the interventionMini-International Neuropsychiatric Interview
Depressive symptomsbaseline and 5 weeks after initiating the interventionCenter for Epidemiologic Studies Depression Scale score
Inflammatory biomarkerbaseline and 5 weeks after initiating the interventionLevel of salivary interleukin-6
Usability and user satisfaction5 weeks after initiating the interventionUSE Questionnaire
Social anxietybaseline and 5 weeks after initiating the interventionLiebowitz Social Anxiety Scale score
Mental healthbaseline and 5 weeks after initiating the intervention12-item General Health Questionnaire score
General self-efficacybaseline and 5 weeks after initiating the interventionGeneral Self-Efficacy Scale score

Countries

Japan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026