Entresto (sacubitril/valsartan) demonstrated greatest benefit in HFpEF patients with ejection fractions adjacent to HFrEF, compared to valsartan1
Entresto, compared to valsartan, demonstrated reduced risk in total heart failure hospitalizations and cardiovascular death in women, compared to men2
Among patients who had been previously hospitalized, those who were screened during or within 30 days of hospitalization showed the greatest treatment effect with Entresto, compared to valsartan3
Safety and tolerability of Entresto, where evaluated, were consistent with previously reported findings1,2,4,5
New analyses follow full results from the PARAGON-HF trial, which show overall treatment effect, despite narrow miss on statistical significance4
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Basel, November 17, 2019 — Novartis announced today new subgroup analyses from its global Phase III PARAGON-HF study of patients with heart failure with preserved ejection fraction (HFpEF), also known as diastolic heart failure6. The data suggest that, in specific subgroups, treatment with Entresto may result in greater reductions in heart failure hospitalizations and cardiovascular death, as compared to valsartan. This greater benefit was seen in women with HFpEF and in HFpEF patients recently hospitalized for heart failure2,3. In addition, in a pooled analysis of PARAGON-HF (HFpEF) and PARADIGM-HF (heart failure with reduced ejection fraction (HFrEF)), greater treatment benefit was observed in patients with left ventricular ejection fraction (LVEF) below approximately 60%1. HFpEF is a type of heart failure that has no currently approved treatment and disproportionately affects women6-8. These new analyses were presented at the American Heart Association’s (AHA) Scientific Sessions 2019 with simultaneous publication of the gender analysis in Circulation and hospitalization analysis in the Journal of the American College of Cardiology.
Currently, Entresto (sacubitril/valsartan) is an approved and essential treatment for patients with HFrEF, which is typically defined as ejection fraction less than or equal to 40%5,7,9-11. This is based on its superiority to the angiotensin-converting enzyme (ACE) inhibitor enalapril in reducing cardiovascular death and heart failure hospitalizations, as demonstrated in the PARADIGM-HF trial9,12,13.
The full results of the Phase III PARAGON-HF study were presented at ESC Congress 2019. The study showed a 13% relative reduction in the primary composite endpoint of cardiovascular death and total (first and recurrent) heart failure hospitalizations, but narrowly missed statistical significance4.
“These new analyses show that the treatment benefit of sacubitril/valsartan may extend to patients with a LVEF higher than the threshold we use to define HFrEF,” said Scott Solomon, M.D., Director of Noninvasive Cardiology at Brigham and Women’s Hospital, Professor at Harvard Medical School and PARAGON-HF Executive Committee Co-Chair. “The data help to provide a greater understanding of the heterogeneous nature of HFpEF and the potential benefit of sacubitril/valsartan for those who are still in need of a treatment option.”
“This new research suggests that sacubitril/valsartan may provide greater benefit in HFpEF patients who have recently been hospitalized for heart failure and suggests the potential benefit of initiating treatment during the vulnerable period following hospitalization in order to reduce further events,” said John McMurray, M.D., Professor of Medical Cardiology at University of Glasgow and PARAGON-HF Executive Committee Co-Chair. “Understanding the correlation between time since hospitalization and treatment benefit may help inform optimization of care for patients with heart failure.”
“Novartis is committed to reimagining outcomes for people with cardiovascular disease and advancing our scientific understanding of heart failure,” said David Soergel, M.D., Global Head of Cardiovascular, Renal and Metabolic Drug Development at Novartis. “These new data, suggesting potential benefit of Entresto beyond HFrEF, represent our ongoing work to develop treatments for patients, including for HFpEF, a complex condition with high unmet patient need.”
About the PARAGON-HF subgroup analyses presented at AHA’s Scientific Sessions Data from the Phase III PARAGON-HF (n=4,796 patients with heart failure with preserved ejection fraction (HFpEF)) and the PARADIGM-HF (n=8,399 patients with heart failure with reduced ejection fraction (HFrEF)) studies were combined in a pooled analysis to assess cardiovascular death and total heart failure hospitalization, evaluating the effect of Entresto compared with renin-angiotensin-aldosterone system (RAAS) inhibition among different left ventricular ejection fraction (LVEF) categories1. In the analysis of the combined groups, total heart failure hospitalizations and cardiovascular death were reduced in patients receiving Entresto compared with RAAS inhibition1. Cardiovascular death reduction was driven by the results of the patients with LVEF of 40% or less from the PARADIGM-HF trial1. These therapeutic effects of Entresto were stronger within subgroup populations of the study:
The greatest treatment benefits were observed in patients with LVEF below approximately 60%1. Magnitude of reduction in heart failure hospitalizations, cardiovascular death and all-cause mortality decreased with increasing LVEF1. The all-cause mortality reduction was driven by the reduction in HFrEF patients1.
Treatment benefits persisted up to a higher level of LVEF in women compared with men1.
A pre-specified subgroup analysis of PARAGON-HF assessed gender differences in heart failure hospitalization and cardiovascular death, compared to valsartan, among patients with HFpEF (n=4,796; 2,479 women and 2,317 men) 2. In women, Entresto reduced the risk of total heart failure hospitalization, with a 33% relative rate reduction (95% CI: 15-47), and an absolute reduction of 4 events per 100 person-years. In men, there was a 7% relative rate increase in the Entresto group versus the valsartan group, with an absolute increase of 0.9 events per 100 person-years2. Men saw improved treatment benefits with Entresto in exploratory secondary endpoints including change in the New York Heart Association (NYHA) class and less worsening in quality of life based on KCCQ Clinical Summary Score at 8 months2.
In a separate post-hoc analysis in patients from PARAGON-HF (n=4,796), the effect of Entresto on total heart failure hospitalizations and cardiovascular death was compared with that of valsartan, evaluating patients by the time from their last hospitalization3. The effect of Entresto on total heart failure hospitalizations and cardiovascular death was greatest among patients screened during or shortly after hospitalization3. Entresto was associated with a gradient of risk reduction ranging from patients hospitalized within 30 days of screening (rate ratio, 0.73; 95% CI: 0.53-0.99) to patients never hospitalized (rate ratio, 1.00; 95% CI: 0.80-1.24) 3. Shorter times from prior heart failure hospitalization were associated with higher risk of total heart failure hospitalizations or cardiovascular death3.
About PARAGON-HF PARAGON-HF is the largest clinical trial in heart failure with preserved ejection fraction (HFpEF) conducted to date14. The Phase III randomized, double-blind, parallel group, active-controlled, 2-arm, event-driven trial compared the long-term efficacy and safety of Entresto versus valsartan in 4,822 patients with HFpEF4,14. The patients in the study represented ambulatory patients with established HFpEF being treated for symptoms and comorbidities, approximately half of whom had a history of heart failure hospitalizations4. Results showed a 13% relative reduction in the primary composite endpoint compared to valsartan of total (first and recurrent) heart failure hospitalizations and cardiovascular death, narrowly missing statistical significance (RR=0.87; 95% CI: 0.75, 1.01; p=0.06) 4. Absolute rate reduction was 1.8 events per 100 person-years. More pronounced effects on the primary endpoint were observed for certain pre-defined subgroups: individuals with an ejection fraction less than or equal to the median of 57% (22% relative reduction; RR=0.78; 95% CI: 0.64, 0.95) (absolute rate reduction = 6.6 events per 100 person-years) and women (27% relative reduction; RR=0.73; 95% CI: 0.59, 0.9) (absolute rate reduction = 3.9 events per 100 person-years) as well as in investigator-reported (non-adjudicated) events (16.3% relative reduction; RR=0.84; 95% CI: 0.74, 0.97) (absolute rate reduction = 2.7 events per 100 person-years) 4.
Secondary endpoint analyses, exploratory in nature, showed that Entresto patients experienced less worsening in quality of life than valsartan patients based on KCCQ Clinical Summary Score (CSS) at 8 months. Change in the New York Heart Association (NYHA) class was also more favorable in the Entresto group than in the valsartan group. Additionally, treatment with Entresto resulted in a reduction in the risk of the composite renal endpoint. No difference in all-cause mortality was observed between groups4.
Safety and tolerability analyses found:
Entresto was safe and well tolerated in HFpEF patients, largely as observed in heart failure with reduced ejection fraction (HFrEF) patients in PARADIGM-HF4,5.
Hypotension occurred more frequently with Entresto (n=2407; 15.8%) than with valsartan (n=2389;10.8%)4.
Overall incidence of confirmed angioedema events was low in the two treatment arms, with 14 events in the Entresto arm (0.6%) and 4 events in the valsartan arm (0.2%); no angioedema events resulted in airway compromise4.
Entresto resulted in lower rates of worsening renal function (1.4% versus 2.7% compared to valsartan); and serious adverse events of hyperkalemia compared to valsartan (0.8% versus 1.8%)4.
PARAGON-HF follows PARAMOUNT-HF, the Phase II trial in HFpEF. Additional studies investigating Entresto on other relevant endpoints in HFpEF are ongoing.
About Entresto for heart failure with reduced ejection fraction Entresto is a twice-a-day medicine that reduces the strain on the failing heart12. It does this by enhancing the protective neurohormonal systems (natriuretic peptide system) while simultaneously inhibiting the harmful effects of the overactive renin-angiotensin-aldosterone system (RAAS) 12,15. Other common heart failure medicines, called angiotensin converting enzyme (ACE) inhibitors and angiotensin II receptor blockers (ARBs), only block the harmful effects of the overactive RAAS. Entresto contains the neprilysin inhibitor sacubitril and the ARB valsartan12,16.
In Europe, Entresto is indicated in adult patients for the treatment of symptomatic chronic heart failure with reduced ejection fraction12. In the United States, Entresto is indicated for the treatment of heart failure (New York Heart Association class II-IV) in patients with systolic dysfunction16. It has been shown to reduce the rate of cardiovascular death, heart failure hospitalization and 30-day hospital readmission compared to enalapril, to reduce the rate of all-cause mortality compared to enalapril, and to improve aspects of health-related quality of life (including physical and social activities) compared to enalapril5,11,17. Entresto is usually administered in conjunction with other heart failure therapies, in place of an ACE inhibitor or other ARB12. Approved indications may vary depending upon the individual country.
Disclaimer This press release contains forward-looking statements within the meaning of the United States Private Securities Litigation Reform Act of 1995. Forward-looking statements can generally be identified by words such as “potential,” “can,” “will,” “plan,” “expect,” “anticipate,” “look forward,” “believe,” “committed,” “investigational,” “pipeline,” “launch,” or similar terms, or by express or implied discussions regarding potential marketing approvals, new indications or labeling for the investigational or approved products described in this press release, or regarding potential future revenues from such products. You should not place undue reliance on these statements. Such forward-looking statements are based on our current beliefs and expectations regarding future events, and are subject to significant known and unknown risks and uncertainties. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those set forth in the forward-looking statements. There can be no guarantee that the investigational or approved products described in this press release will be submitted or approved for sale or for any additional indications or labeling in any market, or at any particular time. Nor can there be any guarantee that such products will be commercially successful in the future. In particular, our expectations regarding such products could be affected by, among other things, the uncertainties inherent in research and development, including clinical trial results and additional analysis of existing clinical data; regulatory actions or delays or government regulation generally; global trends toward health care cost containment, including government, payor and general public pricing and reimbursement pressures and requirements for increased pricing transparency; our ability to obtain or maintain proprietary intellectual property protection; the particular prescribing preferences of physicians and patients; general political and economic conditions; safety, quality or manufacturing issues; potential or actual data security and data privacy breaches, or disruptions of our information technology systems, and other risks and factors referred to in Novartis AG’s current Form 20-F on file with the US Securities and Exchange Commission. Novartis is providing the information in this press release as of this date and does not undertake any obligation to update any forward-looking statements contained in this press release as a result of new information, future events or otherwise.
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