Cardiac Markers in Depressed Patients With Coronary Heart Disease

  • STATUS
    Recruiting
  • End date
    May 31, 2025
  • participants needed
    175
  • sponsor
    Washington University School of Medicine
Updated on 27 January 2021

Summary

Depression doubles the risk of death in patients with coronary heart disease (CHD), but so far, there is insufficient evidence that we can reduce the risk of death by treating depression. This study will investigate the cardiac risk markers that are associated with depression symptoms that remain despite treatment, and identify potential targets for their treatment. The results of the study will inform the development of more effective interventions to improve both depression and survival in patients with CHD.

Description

Depression is associated with an increased risk of cardiac morbidity and mortality in coronary heart disease (CHD). Although safe and modestly effective treatments for major depression exist, only about 30% of patients ever achieve full remission. CHD patients with depression symptoms that do not respond to treatment are at high risk for cardiac morbidity and mortality compared to those whose depression symptoms respond to treatment. Anhedonia and fatigue are among the most common symptoms to remain following treatment in both depressed CHD patients and in medically well psychiatric patients. In a recent study, the investigators found that several risk markers of cardiovascular morbidity and mortality including a high normal level of the thyroid hormone free thyroxine (FT4), low nocturnal heart rate variability, blunted circadian heart rate, and poor sleep quality predict depression treatment response and post-treatment symptoms of fatigue and anhedonia. It is unclear why these risk markers are associated with residual anhedonia and fatigue. Elevated cortisol levels, chronic sympathetic nervous system activation, reduced vagal modulation of HR, high levels of perceived stress, low level of physical activity, disordered sleep, and occult subclinical thyroid diseases are among the most plausible explanations. Any or all of these factors may explain the relationship between the risk markers and residual fatigue and anhedonia, and all are potentially modifiable and thus possible targets for future clinical trials. The purpose of the proposed research is to identify modifiable correlates of these risk markers and of fatigue and anhedonia in depressed patients with CHD. Study participants will be recruited from cardiology practices at Washington University School of Medicine. Potentially eligible patients will be scheduled for a structured clinical interview. Those who score 14 on the BDI-II and meet the DSM-5 criteria for major depression and no exclusion criteria will be enrolled. Participants will be evaluated by phone, or in person at the Behavioral Medicine Center at Washington University School of Medicine. The evaluation will be performed in the morning. An appointment will be made for a blood draw on a morning after a 12-hour fast to obtain a thyroid panel, lipid profile, plasma cortisol, C-reactive protein, and other biomarkers. Participants will be fitted with an ambulatory ECG monitor and a wrist actigraph that will be sent to them, and they will complete a battery of self-report inventories. The ECG monitor and actigraph will be worn for 48 hours on two consecutive weekdays to measure the ECG markers, activity levels, and sleep parameters. Participants will be compensated for their time upon return of the samples and equipment. This study will identify potential targets for adjunctive interventions to augment traditional depression treatments and thereby help to lay the groundwork for a randomized clinical trial to determine whether treating depression in patients with CHD can improve both depression and event-free survival.

Details
Condition Coronary Artery Disease, Coronary heart disease, Endogenous depression, Depression, Ischemic Heart Disease, Depression (Major/Severe), Depression (Adolescent), Depression (Pediatric), Depression (Adult and Geriatric), Depression (Treatment-Resistant), Depressed, Cardiac Ischemia, Myocardial Ischemia, coronary disease, depressive disorder, disease, coronary, coronary heart diseases, depressed mood, miserable, depressive disorders
Treatment Other
Clinical Study IdentifierNCT04682769
SponsorWashington University School of Medicine
Last Modified on27 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Patients seen at the Washington University Medical Center with coronary heart disease (CHD) documented by coronary angiography or history of acute coronary syndrome (ACS)
On a stable medication regimen (only minor changes in drug or dosage in last 30 days) are eligible for recruitment
Meet the diagnostic criteria for a depressive disorder, score 14 on the Beck Depression Inventory (BDI-II), and not meet any exclusion criteria

Exclusion Criteria

Thyroid disease or thyroid medications
Moderate to severe cognitive impairment
Major psychiatric comorbidities
Taking antidepressants other than a selective serotonin reuptake inhibitor (SSRI)
Suicidal features
Current substance abuse
New York Heart Association (NYHA) class III or higher or a recent (<3 months) acute coronary syndrome (ACS), coronary artery bypass graft surgery, cardiac hospitalization, or cardiac-related emergency department visit
Advanced malignancy, a disability that would prevent compliance with the study protocol, or physician or patient refusal
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