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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05976945
Other study ID # 2021-CP-14288
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date August 10, 2023
Est. completion date August 1, 2027

Study information

Verified date August 2023
Source University of Amsterdam
Contact Arnoud Arntz, PhD
Phone +31 20 525 6728
Email a.r.arntz@uva.nl
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this multiple baseline case series study is to test Imagery Rescripting in depression. The main question[s] it aims to answer are: - does Imagery Rescripting lead to a reduction of depression and of believability of negative beliefs held by the participants? - does Imagery Rescripting also leads to reductions in worrying and brooding? - Participants will wait for 6-10 weeks (to assess time effects without treatment), followed by 5 weekly preparation sessions, 8-12 weekly Imagery Rescripting sessions, and 5 weeks post-treatment. - Participants will rate the believability of 3-5 core dysfunctional beliefs related to their depression as well as 2 items assessing depression severity on a weekly basis. In addition, they will fill out more extensive questionnaires on depression, worry and brooding before each phase, as well as at 5 weeks post-treatment, and 6 and 12 months follow-up.


Description:

In a multiple baseline case series study the effectiveness of Imagery Rescripting (ImRs) as a treatment for depression will be tested. 10 patients with a major depressive disorder (MDD) or a persistent depressive disorder (PDD) will be randomized to different waitlist lengths (6-10 weeks), after which they will enter a 5-session preparation phase (5 weeks), followed by 12 weekly sessions of ImRs. After this treatment follow-up assessments take place at 5 weeks, 6 and 12 months. Primary outcomes are (1) depression severity weekly assessed with the Patient Health Questionnaire (PHQ-2) and (2) idiosyncratic core beliefs assessed with visual analogue scales. The hypothesis is that primary outcomes reduce more during treatment than during wait or preparation and remain stable or further improve post-treatment. Similarly, for secondary outcomes (depression severity assessed with the Beck Depression Inventory II (BDI-II); brooding (dysfunctional type of rumination) assessed with the Ruminative Response Scale (RRS) Brooding subscale; and worrying assessed with the Penn State Worry Questionnaire (PSWQ)) we expect the largest improvement to take place from pre- to post treatment, with little change taking place during baseline and preparation, and during/after post-treatment. Results will be analyzed by multilevel analysis, pooling the effects of the individual cases. Lastly, participants will be interviewed 5 weeks post treatment about their experiences with treatment.


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Study Design


Intervention

Behavioral:
Imagery Rescripting
In Imagery Rescripting patients imagine a different sequence of events matching their needs better than what actually happened in traumatic and other adverse (childhood) experiences.

Locations

Country Name City State
Netherlands Academic Center for Trauma and Personality ACTP Amsterdam

Sponsors (2)

Lead Sponsor Collaborator
University of Amsterdam Academic Center for Trauma and Personality

Country where clinical trial is conducted

Netherlands, 

Outcome

Type Measure Description Time frame Safety issue
Other patients' experiences with a semi-structured interview, participants will be interviewed 5 weeks after treatment. A qualitative analysis will be used. 5 weeks after end of treatment
Primary Depression severity Depression severity assessed with the first 2 items of the Patient Health Questionnaire-9. The minimum score is 0, the maximum score is 6. A higher score means worse outcome. 28-32 weeks plus 6 and 12 months follow-ups
Primary Core beliefs strength Idiosyncratic core beliefs related to the depression are formulated together with the participant and weekly rated on Visual Analogue Scales.The mean of the scores is taken, range 0-100. A higher score means a worse outcome. 28-32 weeks plus 6 and 12 months follow-ups
Secondary Beck Depression Inventory-II The Beck Depression Inventory-II assesses severity of depression. The minimum score is 0, the maximum score is 63. Higher scores mean worse outcomes. before baseline, before preparatory sessions, before ImRs treatment, 5 weeks after ImRs treatment, 6 and 12 months follow-ups
Secondary Brooding intensity The Brooding subscale of the Ruminative Response Scale assesses intensity of problematic brooding. The minimum score is 5, the maximum is 20. Higher scores mean worse outcomes. before baseline, before preparatory sessions, before ImRs treatment, 5 weeks after ImRs treatment, 6 and 12 months follow-ups
Secondary Worry intensity The Penn State Worry Questionnaire assesses intensity of problematic worrying. The minimum score is 16, the maximum 80. Higher scores mean worse outcomes. before baseline, before preparatory sessions, before ImRs treatment, 5 weeks after ImRs treatment, 6 and 12 months follow-ups
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