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The Current Focus of Heart Failure Clinical Trials.
Journal of Cardiac Failure 2018 May
BACKGROUND: Heart failure (HF) is a major global health problem. Clinical trials test efficacy, effectiveness, and safety of novel and emerging therapies in HF. We sought to determine the salient features of ongoing interventional clinical trials in HF.
METHODS AND RESULTS: We accessed the ClinicalTrials.gov registry of the National Institutes of Health (NIH) and the International Clinical Trials Registry Platform of the World Health Organization on January 1, 2017, and extracted pertinent information on current HF clinical trials for systematic review. Of 794 HF trials that met our inclusion criteria, almost one-half (49.1%) evaluated clinical end points and one-third (32.8%) examined imaging end points as primary outcomes. One-fourth (24.8%) were industry sponsored and one-third (35.6%) were university sponsored. The NIH and other United States federal agencies funded only 14 trials (1.8% of all trials; 10.7% of trials in the US). Among 536 HF trials with specified left ventricular ejection fraction status, 434 (81.0%) focused on HF with reduced ejection fraction (HFrEF) and only 102 (19.0%) trials targeted HF with preserved ejection fraction (HFpEF).
CONCLUSIONS: Ongoing HF trials are predominantly sponsored by nongovernmental funding agencies. Although HFpEF occurs as commonly as HFrEF in the community, the number of clinical trials targeting HFpEF is substantially lower compared with HFrEF.
METHODS AND RESULTS: We accessed the ClinicalTrials.gov registry of the National Institutes of Health (NIH) and the International Clinical Trials Registry Platform of the World Health Organization on January 1, 2017, and extracted pertinent information on current HF clinical trials for systematic review. Of 794 HF trials that met our inclusion criteria, almost one-half (49.1%) evaluated clinical end points and one-third (32.8%) examined imaging end points as primary outcomes. One-fourth (24.8%) were industry sponsored and one-third (35.6%) were university sponsored. The NIH and other United States federal agencies funded only 14 trials (1.8% of all trials; 10.7% of trials in the US). Among 536 HF trials with specified left ventricular ejection fraction status, 434 (81.0%) focused on HF with reduced ejection fraction (HFrEF) and only 102 (19.0%) trials targeted HF with preserved ejection fraction (HFpEF).
CONCLUSIONS: Ongoing HF trials are predominantly sponsored by nongovernmental funding agencies. Although HFpEF occurs as commonly as HFrEF in the community, the number of clinical trials targeting HFpEF is substantially lower compared with HFrEF.
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