At a glance
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eIMPACT Trial: Modernized Collaborative Care to Reduce the Excess CVD Risk of Older Depressed Patients
In Brief
A Phase 2 clinical trial evaluating Beating the Blues (BtB), Problem Solving Treatment in Primary Care (PST-PC), and 2 other interventions for Depression and 7 related conditions. Completed, enrolled 216 participants across 1 site.
Detailed Summary
The objective of this randomized controlled trial is to evaluate whether the investigators modernized IMPACT intervention for depression (eIMPACT), delivered before the onset of cardiovascular disease (CVD), reduces the risk of future CVD. Participants will be primary care patients who are depressed but do not have a history of CVD. Half of the participants will receive standard depression treatment in primary care (usual care), and the other half will receive one year of eIMPACT, a collaborative stepped care program including antidepressants and computerized and telephonic cognitive-behavioral therapy. To evaluate change in CVD risk, the investigators will measure artery function using ultrasound before and after the 1-year treatment period. It is hypothesized that patients who receive the eIMPACT intervention will have greater improvements in artery function than patients who receive usual care.
Study Details
Timeline
Interventions
BTB is a widely used, empirically supported, stand-alone CBT program for depression designed for primary care patients and appropriate for adults with little computer experience and a 5th-6th grade reading level. BtB utilizes an interactive, multimedia format to deliver eight 50-minute, weekly therapy sessions. Although sessions are tailored to each patient's problems, general topics include challenging dysfunctional thoughts, activity scheduling, problem solving, graded exposure, task breakdown, sleep management, and relapse prevention. Patients are also assigned tailored homeworks that are customized to their needs and reviewed at the start of each session.
PST-PC is a manualized, empirically supported CBT developed for use by healthcare professionals in primary care. The focus of the 6-10 30-minute sessions is teaching patients approaches for solving current problems contributing to depression. We are delivering PST-PC via telephone.
The IMPACT treatment manual provides guidelines for using antidepressants, such as selecting a medication, titrating, switching to another medication, managing side effects, and avoiding drug interactions. To optimize eIMPACT for CVD risk reduction, we have restricted the IMPACT list of antidepressants to SSRIs (sertraline, escitalopram, paroxetine, fluoxetine, citalopram), duloxetine, bupropion, and mirtazapine. These medications are FDA approved for the treatment of depression and are the safest from a cardiovascular perspective.
Patients randomized to usual primary care for depression are informed of their depression diagnosis, encouraged to follow-up with their Eskenazi Health primary care provider, and provided a list of local mental health services. The patient's primary care provider will receive a letter indicating that their patient has a depressive disorder and was randomized to usual care. This letter also provides a list of local mental health services. Like those in the intervention group, usual care patients continue to have access to services that are part of usual care in the targeted systems. There are no restrictions on the care received. The Eskenazi Health primary care clinics utilize a team care approach, with PCPs supported by embedded behavioral health clinicians and affiliated psychiatrists.