Multi-drug Regimen for Heart Failure Could Meaningfully Extend Patients' Lives

In the last three decades, there have been many advancements in the treatment of HFrEF with several new drugs showing promising results in randomized, controlled clinical trials. However, uptake of new therapies has been slow. A team led by investigators from Brigham and Women's Hospital has conducted an analysis to estimate the potential benefits of using a comprehensive regimen that incorporates newer therapies into clinical practice compared to using a more conventional regimen. The team found that comprehensive therapy could extend lifespan up to six years and eight years free from cardiovascular death or first hospital admission for HFrEF. Results are published in The Lancet.

"There's been some resistance to adopting comprehensive therapy for heart failure patients," said corresponding author Scott Solomon, MD, of the Brigham's Cardiovascular Division. "What we did here was to say, 'What might the benefit be over a patient's lifetime?' And the benefit we're seeing is pretty dramatic."

Across a broad range of ages, these therapies, when implemented in combination, may meaningfully improve life expectancy and help patients remain out of the hospital.

To conduct their analysis, Solomon and colleagues leveraged data from three previously conducted randomized, clinical trials. Each trial evaluated a therapy for heart failure patients: mineralocorticoid receptor antagonists (MRA), angiotensin receptor-neprilysin inhibitors (ARNI), and sodium/glucose cotransporter (SGLT2) inhibitors. Drawing on the data from these trials, the team conducted an actuarial analysis to estimate the lifetime benefit of taking all three drugs in addition to a conventional regimen.

Their analysis found that over the course of a lifetime of use, assuming consistent treatment benefits, the comprehensive regimen could add up to eight years of survival free from cardiovascular events and hospitalization due to heart failure. While younger patients with HFrEF would stand to benefit the most, the researchers reported gains in life expectancy for all age groups analyzed.

Offering readily understandable metrics for clinicians and patients to be able to refer to when discussing treatment options was important to the authors, especially amid the COVID-19 pandemic.

Patients with heart failure are especially vulnerable during COVID-19 and ensuring effective preventive care for this high-risk segment of the population is a top priority in the next phase of the pandemic planning.

The authors note that their analysis has certain limitations, including assumptions about the therapy, adherence, and that benefits would continue to accrue over time. In addition, the analysis does not examine the costs of heart failure drugs or the potential side effects—such as kidney toxicity—of taking these drugs in combination.

Their analysis found that over the course of a lifetime of use, assuming consistent treatment benefits, the comprehensive regimen could add up to eight years of survival free from cardiovascular events and hospitalization due to heart failure. While younger patients with HFrEF would stand to benefit the most, the researchers reported gains in life expectancy for all age groups analyzed.

Dr Dariusz J. Nasiek, MD
American Board of Anesthesiology
American Board of Pain Medicine
American Board of Interventional Pain Physicians

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