A Computerized Depression Intervention in Veterans

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

152 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-05-01

Study Completion Date

2029-04-30

Brief Summary

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Depressive symptoms are common among Veterans and associated with significant impairment. Timely intervention has the potential to improve mental health outcomes and restore functioning. Interventions delivered through the internet can be completed remotely at any time, and thus minimize burden on Veterans, however the research examining their utility in Veterans is limited. This proposed project will examine Deprexis, a self-guided internet-delivered intervention, which targets depressive symptoms and associated functional impairments. Interviews will be conducted to gain insight into Veterans' perceptions, needs, and preferences vis-a-vis Deprexis, with results informing a randomized controlled trial. Here an 8-week course of Deprexis will be compared to a treatment-as-usual (TAU) control condition to establish if Deprexis is acceptable and effective for Veterans with mild to moderate depressive symptoms. Veterans engaged in Deprexis are hypothesized to show improvements on measures of functioning and decreases in depressive symptoms compared to the TAU control group. The proposed work has great clinical utility, as it could provide a readily accessible, high-quality intervention for the many Veterans suffering from depressive symptoms, with the potential to improve functioning and long-term outcomes.

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Detailed Description

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Depressive symptoms are common in Veterans and are highly predictive of disability and impairment in quality of life. Providing timely intervention for depressive illness can prevent chronic Major Depressive Disorder (MDD) and entrenched functional impairments. Preventing the progression into severe and recurrent disease and disability is essential; MDD is the second strongest predictor of Veteran suicide among all recorded mental health diagnoses and functional impairments associated with mental health diagnoses increase the risk for suicide. Depressive symptoms strongly predict functional impairment in Veterans independent of other debilitating mental health conditions, including PTSD. These findings suggest that depressive symptoms should be an urgent target of intervention, even in the context of complex or comorbid presentations, to improve functioning and mitigate suicide risk.

The VA healthcare system is uniquely positioned to identify and treat mild-moderate depressive symptoms because depression symptom screenings are routinely performed in primary care and specialty clinics; however, Veterans still experience various barriers to care. These barriers include shame around depression and stigma associated with seeking mental health treatment, lack of availability of mental health services, as well as difficulties attending mental health treatments due to lack of time. However, the VA is well-suited to intervene at both institutional and individual barriers to care to provide accessible, timely, and acceptable treatments for depressive symptoms using scalable, low-cost computer-delivered interventions.

Although internet-delivered interventions have the potential to optimize treatment access and utilization for Veterans with mild-moderate depressive symptoms, the research examining the effectiveness of internet-delivered psychological intervention for Veterans is still in its nascence. Deprexis, a self-guided internet-delivered intervention, improved well-being, and decreased depressive symptoms and disability in a general population sample. However, Deprexis has not yet been rigorously evaluated with a Veteran population in a VA medical center setting. The current study aims to fill this critical gap in the literature by pursuing the following aims:

Aim 1: To assess Veterans' perceptions, needs, and preferences in relation to Deprexis through conducting qualitative assessments interviews with a subset of Veterans enrolled in Deprexis (n=16-20). Research question: Which potentially modifiable components improve Veterans' experience and uptake of Deprexis? This data will be used to inform potential changes to content and study delivery in the RCT.

Aim 2a: To test whether Deprexis is effective for decreasing depressive symptoms and improving functional outcomes in Veterans (n=132) presenting for VHA healthcare with mild-moderate depressive symptoms. A randomized controlled trial comparing an 8-week course of Deprexis to a treatment-as-usual control condition will be conducted. Veterans with a positive screen for depression will be identified through the medical record, and those with a depression symptom severity score in the mild-moderate range will be invited to participate in the study. Depression symptom severity scores and clinically meaningful outcomes measures of functioning, disability, and quality of life will be collected at baseline, post-treatment and 8-week follow-up. Hypothesis: Veterans engaged in Deprexis will show improvements on measures of functioning and decreases in depressive symptoms compared to the TAU control group. To generate hypotheses for future study, exploratory Aim 2b will examine if demographic variables, baseline psychopathology, credibility and Deprexis usage moderate treatment effects on primary outcomes.

Impact: Consistent with the Rehabilitation Research and Development Service aim to maximize functional recovery in Veterans, the proposed study could provide evidence for a rapid, high-quality and low-barrier intervention for Veterans with depressive symptoms, with the potential to attenuate suicide risk, functional disability and impairment in quality of life.

Conditions

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Depression

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Randomized Clinical Trial

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Deprexis

Deprexis: an internet-delivered psychosocial treatment for depressive symptoms and related functional impairment.

Group Type EXPERIMENTAL

Deprexis

Intervention Type BEHAVIORAL

Deprexis is an internet-delivered treatment for depressive symptoms and related functional impairment. The intervention draws from various theoretical frameworks and consists of 12 modules: 10 core content modules and an introductory and summary module. Deprexis is designed to be interactive, includes answering questions and learning techniques and concepts through instruction and examples.

Treatment-as-Usual

Access to standard non-study care

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Deprexis

Deprexis is an internet-delivered treatment for depressive symptoms and related functional impairment. The intervention draws from various theoretical frameworks and consists of 12 modules: 10 core content modules and an introductory and summary module. Deprexis is designed to be interactive, includes answering questions and learning techniques and concepts through instruction and examples.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

Potential participants include male and female Veterans of all races/ethnicities who are:

* able to comprehend and sign the informed consent form
* have reliable access to the internet and a computer, tablet and/or smartphone
* exhibit mild or moderate, but not very severe, levels of depression
* stable on psychotropic medications

Exclusion Criteria

Aim 1 and Aim 2: Veterans will be excluded from study participation if they:

* endorse any positive symptoms of a psychotic disorder
* screen positive for Bipolar I Disorder
* report current suicidal risk

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No