Optimizing a Single-Session Intervention for Depression using Ecological Momentary Interventions

Optimizing a Single-Session Intervention for Depression using Ecological Momentary Interventions - REPEAT

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00040156

Enrollment

Registered

2026-05-04

Start date

2026-05-26

Completion date

Unknown

Last updated

2026-06-22

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

Conditions

F32 F33

Interventions

Group 1: Intervention group: A single educational session (45 min) focusing on optimizing expectations (depressive symptoms as signals from the body) and providing information about various risk facto

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Diagnosed with a mild or moderate depressive episode or recurrent depressive disorder with a current mild or moderate episode

Exclusion criteria

Exclusion criteria: No depression Severe depression Acute suicidal ideation

Design outcomes

Primary

Measure	Time frame
Measurement points: T1 (before the single psychoeducational session), T2 (after the single psychoeducational session), EMA/EMI phase (over 14 days following T2, twice daily), follow-up (after the EMA/EMI phase) Change in perceived controllability of depressive symptoms (Brief Illness Perception Questionnaire (B-IPQ), T1, T2, EMA/EMI phase, follow-up) Depressive symptoms (Beck Depression Inventory Revision (BDI-II) at T1, follow-up) Depressive Symptoms (Short Version) (Patient Health Questionnaire (PHQ-2), for the EMA/EMI survey) Treatment expectations (Generic Rating Scale for Previous Treatment Experiences, Treatment Expectations, and Treatment Effects (GEEE), at all measurement time points) Self-stigma associated with depression (Self-Stigma of Depression Scale (SSDS-D), at T1, T2, during the EMA/EMI phase, and at follow-up)	—

Measure

Time frame

Measurement points: T1 (before the single psychoeducational session), T2 (after the single psychoeducational session), EMA/EMI phase (over 14 days following T2, twice daily), follow-up (after the EMA/EMI phase) Change in perceived controllability of depressive symptoms (Brief Illness Perception Questionnaire (B-IPQ), T1, T2, EMA/EMI phase, follow-up) Depressive symptoms (Beck Depression Inventory Revision (BDI-II) at T1, follow-up) Depressive Symptoms (Short Version) (Patient Health Questionnaire (PHQ-2), for the EMA/EMI survey) Treatment expectations (Generic Rating Scale for Previous Treatment Experiences, Treatment Expectations, and Treatment Effects (GEEE), at all measurement time points) Self-stigma associated with depression (Self-Stigma of Depression Scale (SSDS-D), at T1, T2, during the EMA/EMI phase, and at follow-up)

—

Secondary

Measure	Time frame
Self-efficacy expectation and perceived control (General Self-Efficacy Scale (SWE) at each measurement point, T1 and follow-up) Expectations regarding symptom progression (Measured at the symptom level for each item of the BDI-II using a Likert scale of 0–10 at T1 and follow-up) Warmth and competence (at measurement point T2) Sociodemographic variables (biological sex, gender identity, age, immigrant background/ethnic identity, educational level, occupation, German language proficiency; collected at T1)	—

Measure

Time frame

Self-efficacy expectation and perceived control (General Self-Efficacy Scale (SWE) at each measurement point, T1 and follow-up) Expectations regarding symptom progression (Measured at the symptom level for each item of the BDI-II using a Likert scale of 0–10 at T1 and follow-up) Warmth and competence (at measurement point T2) Sociodemographic variables (biological sex, gender identity, age, immigrant background/ethnic identity, educational level, occupation, German language proficiency; collected at T1)

—

Countries

Germany

Contacts

Public ContactMarcel Wilhelm

Philipps-Universität Marburg

marcel.wilhelm@uni-marburg.de+49 6421 2823617

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 29, 2026