Role of BNP vs NT-proBNP Testing in the Age of New Drug Therapies: Sacubitril-Valsartan
Sacubitril/Valsartan, known as Entresto, is a new dual drug therapy that includes an angiotensin receptor inhibitor and is indicated to reduce the risk of cardiovascular death and hospitalization in patients with chronic heart failure. Since its approval for the treatment of chronic heart failure with reduced injection fraction, a commonly raised question is whether treatment with this drug challenges the use of B-type natriuretic peptide, or BNP, testing compared to the N terminal proBNP assay because Sacubitril may interfere with BNP clearance. The clinical and analytical studies addressing this issue are limited, along with the fact the diversity of both BNP and NT-proBNP assays used in clinical laboratory practice have not been adequately evaluated in clinical trials or studies to provide an evidenced-based on final decision as to what assay or assays should be used or eliminated from use when a patient is on Entresto. In the September 2019 issue of Clinical Chemistry, a Q&A feature titled, "Role of BNP vs NT-proBNP Testing in the Age of New Drug Therapies" asked five experts with different roles in this field to discuss this issue.
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Sacubitril/Valsartan, known as Entresto, is a new dual drug therapy that includes an angiotensin receptor inhibitor and is indicated to reduce the risk of cardiovascular death and hospitalization in patients with chronic heart failure. Since its approval for the treatment of chronic heart failure with reduced injection fraction, a commonly raised question is whether treatment with this drug challenges the use of B-type natriuretic peptide, or BNP, testing compared to the N terminal proBNP assay because Sacubitril may interfere with BNP clearance. The clinical and analytical studies addressing this issue are limited, along with the fact the diversity of both BNP and NT-proBNP assays used in clinical laboratory practice have not been adequately evaluated in clinical trials or studies to provide an evidenced-based on final decision as to what assay or assays should be used or eliminated from use when a patient is on Entresto. In the September 2019 issue of Clinical Chemistry, a Q&A feature titled, "Role of BNP vs NT-proBNP Testing in the Age of New Drug Therapies" asked five experts with different roles in this field to discuss this issue.
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