- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02458690
eIMPACT Trial: Modernized Collaborative Care to Reduce the Excess CVD Risk of Older Depressed Patients
October 3, 2023 updated by: Jesse Stewart, Indiana University
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 Overview
Status
Completed
Conditions
Detailed Description
Cardiovascular disease (CVD) is the number one killer of American men and women, and its economic burden is substantial and on the rise.
Adults with depression are at elevated risk of CVD events and poor CVD prognosis.
Unfortunately, past trials of depression treatments have not observed the anticipated cardiovascular benefits.
A novel explanation for these null results is that the interventions in these trials, which all involved patients with preexisting CVD, were delivered too late in the natural history of CVD.
To begin to evaluate our hypothesis that treating depression before clinical CVD onset could reduce CVD risk, the investigators are conducting a phase II randomized controlled trial of 216 primary care patients aged ≥ 50 years with a depressive disorder and CVD risk factors but no clinical CVD.
Patients will be randomized to one year of eIMPACT, our modernized IMPACT intervention, or usual primary care for depression.
eIMPACT is a collaborative stepped care intervention involving a multidisciplinary team delivering evidenced-based depression treatments consistent with patient preference.
The investigator shave modernized our intervention by incorporating computerized cognitive-behavioral therapy and delivering other treatment components via telephone.
Our central hypothesis is that eIMPACT will improve endothelial dysfunction, which is considered a barometer of CVD risk, in depressed adults by decreasing depressive symptoms, autonomic dysfunction, systemic inflammation, and platelet activation.
The investigators will test our central hypothesis by carrying out these specific aims: (1) to determine whether eIMPACT reduces the excess CVD risk of depressed patients (primary outcome: endothelial dysfunction; exploratory outcome: incident CVD events) and (2) to examine candidate mechanisms underlying the effect of eIMPACT on CVD risk (secondary outcomes: depressive symptoms, autonomic dysfunction, systemic inflammation, and platelet activation).
A positive trial would generate the mechanistic rationale, efficacy evidence, and effect size estimates needed to justify and design a multisite, event-driven, phase III trial to confirm eIMPACT's efficacy in reducing CVD risk.
Demonstrating that depression treatment reduces CVD risk, the primary expected outcome of this line of research, would have a substantial positive impact.
It would identify a novel target (depression) for CVD prevention efforts, and it would equip providers with a new disseminable and scalable tool (eIMPACT) to simultaneously treat depression and manage the CVD risk of a large cohort of high-risk patients.
Collectively, these changes to clinical practice should translate into reduced CVD morbidity, mortality, and costs.
Study Type
Interventional
Enrollment (Actual)
216
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Indiana
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Indianapolis, Indiana, United States, 46202
- IUPUI Department of Psychology
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
50 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Primary care patients
- Age ≥ 50 years
- Current depressive disorder
- Elevated cardiovascular disease risk
Exclusion Criteria:
- History of clinical cardiovascular disease
- Presence of the following chronic disorders: HIV/AIDS, chronic kidney disease, systemic inflammatory disease, or past-year cancer
- History of bipolar disorder or psychosis
- Continuous (e.g., daily) treatment for a systemic inflammatory condition (e.g., rheumatoid arthritis, lupus, Crohn's disease, and ulcerative colitis) in the past 3 months. Nonsteroidal anti-inflammatory drug (NSAID) use is allowed, given its high prevalence in the target population.
- Current use of anticoagulants (Aspirin and cholesterol and blood pressure medications are allowed)
- Acute risk of suicide
- Severe cognitive impairment
- Current pregnancy
- Ongoing depression treatment with a psychiatrist outside of the Eskenazi Health/Midtown system (ongoing depression treatment with a Eskenazi Health/Midtown psychiatrist is allowed, as we will be able to collaborate and coordinate depression care)
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: eIMPACT
eIMPACT is a 12-month, modernized, collaborative, stepped care intervention consisting of (1) computerized and telephonic cognitive-behavioral therapy for depression and (2) select antidepressant medications included in an algorithm optimized for cardiovascular disease risk reduction.
It is a collaborative care intervention in which a multidisciplinary team delivers established depression treatments consistent with patient preference.
It uses a stepped, flexible, treat-to-target approach that modernizes the IMPACT intervention by harnessing technology to minimize staff and space requirements.
Interventions are Beating the Blues, Problem Solving Treatment in Primary Care, and select FDA-approved antidepressants.
The treatment team consists of a depression clinical specialist, a supervising MD with expertise in primary care and IMPACT, and the patients' primary care providers.
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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.
Other Names:
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.
Other Names:
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.
Other Names:
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Active Comparator: Usual Care
Patients and their primary care providers are informed of the depressive disorder diagnosis, and follow-up is encouraged.
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.
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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.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Brachial Artery Flow-Mediated Dilation (FMD) at 12 Months
Time Frame: 12 months
|
Brachial FMD was measured per consensus guidelines using a GE LOGIQe high-resolution ultrasound with a 15-MHz vascular transducer.
After a 10-minute supine rest period, a BP cuff was placed on the forearm and inflated to 250 mmHg for five minutes.
Brachial diameter was measured at pre-inflation and 60- and 90-seconds post-deflation using AccessPoint 2011 software (version 8.2).
FMD was computed the maximum % increase in brachial diameter at 60- or 90-seconds post-deflation.
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12 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Depressive Symptoms at 12 Months
Time Frame: 12 months
|
Participants completed the reliable and valid Hopkins Symptom Checklist-20 (SCL-20) to assess depressive symptoms.
Total scores (mean of items responses, range: 0-4) were computed, with higher scores indicating greater depressive symptoms.
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12 months
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High-Frequency Heart Rate Variability (HF HRV) at 12 Months
Time Frame: 12 months
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HF HRV estimates were derived by spectral analysis (bandwidth: 0.15-0.40
Hz) from 1-minute epochs of electrocardiographic data obtained during the last 5 min of the 10-minute supine rest period using MindWare Technologies HRV analysis software (version 3.1.2).
Mean HF HRV was computed as the average of the five estimates.
To control for respiration rate, participants completed a paced-breathing computer task set to 12 breaths/minute.
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12 months
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Interleukin-6 (IL-6) at 12 Months
Time Frame: 12 months
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Fasting blood samples obtained by research nurses were collected in EDTA tubes and centrifuged within 20 min.
Plasma aliquots were frozen at -80 °C until the time of assay at the Indiana University Center for Diabetes and Metabolic Diseases Translation Core.
Using enzyme-linked immunosorbent assay kits according to the manufacturer's instructions, we measured levels of IL-6.
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12 months
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High-Sensitivity C-Reactive Protein (hsCRP) at 12 Months
Time Frame: 12 months
|
Fasting blood samples obtained by research nurses were collected in EDTA tubes and centrifuged within 20 min.
Plasma aliquots were frozen at -80 °C until the time of assay at the Indiana University Center for Diabetes and Metabolic Diseases Translation Core.
Using enzyme-linked immunosorbent assay kits according to the manufacturer's instructions, we measured levels of hsCRP.
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12 months
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β-thromboglobulin at 12 Months
Time Frame: 12 months
|
Fasting blood samples obtained by research nurses were collected in EDTA tubes and centrifuged within 20 min.
Plasma aliquots were frozen at -80 °C until the time of assay at the Indiana University Center for Diabetes and Metabolic Diseases Translation Core.
Using enzyme-linked immunosorbent assay kits according to the manufacturer's instructions, we measured levels of β-thromboglobulin.
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12 months
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Platelet Factor 4 (PF4) at 12 Months
Time Frame: 12 months
|
Fasting blood samples obtained by research nurses were collected in EDTA tubes and centrifuged within 20 min.
Plasma aliquots were frozen at -80 °C until the time of assay at the Indiana University Center for Diabetes and Metabolic Diseases Translation Core.
Using enzyme-linked immunosorbent assay kits according to the manufacturer's instructions, we measured levels of PF4.
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12 months
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Jesse C Stewart, Ph.D., Indiana University-Purdue University Indianapolis (IUPUI)
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
July 1, 2015
Primary Completion (Actual)
August 1, 2019
Study Completion (Actual)
March 1, 2021
Study Registration Dates
First Submitted
May 28, 2015
First Submitted That Met QC Criteria
May 29, 2015
First Posted (Estimated)
June 1, 2015
Study Record Updates
Last Update Posted (Actual)
October 19, 2023
Last Update Submitted That Met QC Criteria
October 3, 2023
Last Verified
October 1, 2023
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Behavioral Symptoms
- Mental Disorders
- Myocardial Ischemia
- Vascular Diseases
- Mood Disorders
- Arteriosclerosis
- Arterial Occlusive Diseases
- Coronary Disease
- Heart Diseases
- Depression
- Depressive Disorder
- Coronary Artery Disease
- Cardiovascular Diseases
- Depressive Disorder, Major
- Dysthymic Disorder
- Physiological Effects of Drugs
- Adrenergic Agents
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Autonomic Agents
- Peripheral Nervous System Agents
- Protective Agents
- Adrenergic alpha-Agonists
- Adrenergic Agonists
- Cardiotonic Agents
- Psychotropic Drugs
- Neurotransmitter Uptake Inhibitors
- Membrane Transport Modulators
- Serotonin Agents
- Dopamine Agents
- Serotonin Receptor Agonists
- Sympathomimetics
- Vasoconstrictor Agents
- Norepinephrine
- Dopamine
- Serotonin
- Antidepressive Agents
- Dopamine Uptake Inhibitors
- Selective Serotonin Reuptake Inhibitors
Other Study ID Numbers
- 1411802537
- R01HL122245 (U.S. NIH Grant/Contract)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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