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Published on: July 29, 2021
INDIE-HFpEF (Inorganic Nitrite Delivery to Improve Exercise Capacity in Heart Failure With Preserved Ejection
Yogesh N V Reddy1, Gregory D Lewis1, Sanjiv J Shah1
1From the Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN (Y.N.V.R., M.M.R., B.A.B.); Division of Cardiovascular Medicine, Department of Medicine, Massachusetts General Hospital, Boston (G.D.L., M.S.); Division of Cardiology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL (S.J.S.); Cardiology Unit, University of Vermont College of Medicine, Burlington (M.L.W.); Cardiovascular Division, Washington University School of Medicine, St. Louis, MO (V.G.D.-R.); Department of Medicine, Duke Clinical Research Institute, Duke University School of Medicine, Durham, NC (K.A., A.H.); and Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Boston, MA (E.B.).
Inorganic nitrite may improve exercise capacity in patients with heart failure with preserved ejection fraction (HFpEF). This study investigates inhaled inorganic nitrite as a novel treatment for HFpEF, targeting nitric oxide-cyclic guanosine monophosphate signaling pathways.
Area of Science:
- Cardiology
- Pharmacology
- Clinical Trials
Background:
- Heart failure with preserved ejection fraction (HFpEF) affects approximately 50% of heart failure patients.
- Currently, no proven treatments exist to improve outcomes for HFpEF.
- The complex pathophysiology of HFpEF involves multiple abnormalities, including impaired nitric oxide (NO)-cyclic guanosine monophosphate (cGMP) bioavailability.
Purpose of the Study:
- To assess the effect of inhaled inorganic nitrite on peak exercise capacity in patients with HFpEF.
- To explore inorganic nitrite as a therapeutic strategy to restore NO-cGMP signaling in HFpEF.
- To investigate the potential of inorganic nitrite to improve exercise tolerance in HFpEF.
Main Methods:
- The INDIE-HFpEF trial is a multicenter, randomized, double-blind, placebo-controlled, cross-over study.
- Participants with HFpEF will receive inhaled inorganic nitrite or a placebo.
- Peak exercise capacity will be the primary endpoint assessed.
Main Results:
- This section is not applicable as the abstract describes the study design and rationale, not the results.
- The study aims to determine if inorganic nitrite improves exercise capacity in HFpEF.
- Further research is needed to analyze the outcomes of the INDIE-HFpEF trial.
Conclusions:
- Inorganic nitrite represents a promising alternative strategy to enhance NO-cGMP signaling in HFpEF.
- The INDIE-HFpEF trial will provide crucial insights into the efficacy of inhaled inorganic nitrite for HFpEF.
- Restoring NO-cGMP bioavailability may offer a novel therapeutic approach for improving outcomes in HFpEF.
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