App against Depression - Efficacy of a guided smartphone self-management app for mild to moderate depression.

App against Depression - Efficacy of a guided smartphone self-management app for mild to moderate depression. - App against Depression

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00031388

Enrollment

234

Registered

2023-03-02

Start date

2026-10-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

F34.1 F32.0 F32.1 F33.0 F33.1 F32.9 F33.9

Interventions

Group 1: Arm 1 - Usage of iFightDepression app (self-management programme), 8 weeks. The iFightDepression app includes workshops on the following topics: "Thinking, feeling and doing", "Sleep and depr

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: -Mild to moderate depressive episode in the context of a unipolar depressive episode (ICD-10 F32.0; F32.1, F32.9) or a recurrent unipolar depressive disorder (ICD-10: F33.0, F33.1, F33.9) or a dysthymia - Outpatient status - Respondent is able to communicate both verbally and in writing, German-speaking - Internet-enabled smartphone to download and use the intervention (iFightDepression app) - Written informed consent - PHQ-9 score 5-19

Exclusion criteria

Exclusion criteria: ICD-10 diagnoses: dementia, alcohol dependence, drug dependence, schizophrenia, mania and bipolar disorder, obsessive-compulsive disorder (F0, F1, F2, F30, F31, F42), personality disorder (F60.2, F60. 31), Known alcohol or drug abuse within the last 6 months based on information from the treating physician/therapist. Acute suicidality (according to item 9 PHQ and physician). Physical illness requiring immediate (partial) inpatient treatment. Participation in another clinical trial within the last 4 weeks. Pregnancy

Design outcomes

Primary

Measure	Time frame
The primary outcome of the current study is the improvement of depressive symptoms through participation in an internet-based self-management app in adults with mild to moderate depression compared to a TAU control group (treatment as usual). The primary outcome measure is the German version of the "Inventory of Depressive Symptomatology - Self Report" (IDS-SR) after the end of the 8-week intervention.	—

Measure

Time frame

The primary outcome of the current study is the improvement of depressive symptoms through participation in an internet-based self-management app in adults with mild to moderate depression compared to a TAU control group (treatment as usual). The primary outcome measure is the German version of the "Inventory of Depressive Symptomatology - Self Report" (IDS-SR) after the end of the 8-week intervention.

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Secondary

Measure	Time frame
Secondary outcome are changes in quality of life (SF-12) and improvement of depressive symptoms (IDS-SR) compared to the TAU control group 3 months after the end of the intervention. An exploratory analysis of patient satisfaction (ZUF-8/CSQ-8) as well as the usage of outpatient care services will be conducted and both results will be compared to those found in the literature. The frequency of logins, number of entries and completed workshops (as objective measures) as well as the amount of guidance (according to self-report) will be reported descriptively.	—

Measure

Time frame

Secondary outcome are changes in quality of life (SF-12) and improvement of depressive symptoms (IDS-SR) compared to the TAU control group 3 months after the end of the intervention. An exploratory analysis of patient satisfaction (ZUF-8/CSQ-8) as well as the usage of outpatient care services will be conducted and both results will be compared to those found in the literature. The frequency of logins, number of entries and completed workshops (as objective measures) as well as the amount of guidance (according to self-report) will be reported descriptively.

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Countries

Germany

Contacts

Public ContactKatharina Scholze

Stiftung Deutsche Depressionshilfe Forschungszentrum

katharina.scholze@deutsche-depressionshilfe.de+49 341 22387420

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 9, 2026