CHAMGAP
APPROVEDReviewed and approved by the Chamgap Editorial Team (2026-07-20). The draft was written by AI, the existence of all 3 cited sources was verified at the original page, and the verdict passed blind grading and adversarial audit. Methodology v0.6.
Verdict No. 732 · Search date 2026-07-20 · Methodology v0.6

Sacubitril/valsartan,
does it really help with Reduced cardiovascular death and heart-failure hospitalization in heart failure with reduced ejection fraction?

30-Second Summary
B
Evidence Grade B · 77 · Safety unknown
Sacubitril/valsartan reduces cardiovascular death and heart-failure hospitalization in HFrEF but cannot automatically be generalized to other heart-failure settings
What the
research shows
Sacubitril/valsartan is rated B because PARADIGM-HF reduced cardiovascular death or heart-failure hospitalization versus enalapril in 8,442 patients: 21.8% versus 26.5%, HR 0.80. The pivotal evidence is concentrated in one Novartis-funded trial that randomized only patients tolerating sequential ARNI and enalapril run-in and stopped early. These limitations yield B with 77 points, one point below dapagliflozin at B with 78 points. Null primary outcomes in PARAGON-HF and PARADISE-MI concern different indications, HFpEF and post-infarction treatment, and therefore do not refute the HFrEF result.
What the
ads claim
It is exaggerated to extend the direct HFrEF benefit to every heart-failure phenotype or routine post-infarction prevention, or to portray ARNI as replacing all other therapy. It is used with other foundational treatments and adjusted with blood pressure, potassium, and kidney monitoring.
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Useful facts when choosing a product

  • Sacubitril/valsartan combines neprilysin inhibition with angiotensin-receptor blockade and is a prescription ARNI used alongside other foundational HFrEF therapies.
  • Concurrent ACE-inhibitor use increases angioedema risk, so a washout interval is required when switching and the prescriber's exact directions should be followed.
  • Blood pressure, serum potassium, and kidney function require monitoring before and after initiation, and the drug must not be used during pregnancy because of fetal toxicity.
Gap Measurement · Verdict 732 · B 77
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

McMurray 2014 PARADIGM-HF double-blind randomized 8,442 patients with NYHA class II to IV heart failure and ejection fraction of 40% or less to sacubitril/valsartan or enalapril. The primary outcome occurred in 21.8% versus 26.5% (HR 0.80), and cardiovascular death in 13.3% versus 16.5% (HR 0.80); the trial stopped early under prespecified rules. PARAGON-HF in 4,822 patients did not significantly reduce total heart-failure hospitalizations and cardiovascular death in HFpEF. PARADISE-MI in 5,661 patients also missed its post-infarction primary outcome, with HR 0.90 and P=0.17.

02

Why this is classified as B (77)

The 21.8% versus 26.5%, HR 0.80 mortality and hospitalization result in an 8,442-patient active-controlled trial is strong, but one Novartis-funded pivotal trial, sequential ARNI and enalapril run-in, early stopping, and no independent large replication yield B with 77 points, one point below dapagliflozin at B with 78 points. Null HFpEF and post-infarction results concern other indications and do not refute HFrEF efficacy.

Counterpoint. For an appropriate patient with HFrEF, this therapy affects survival and hospitalization rather than symptoms alone, but hypotension and kidney or potassium problems require individualized titration and monitoring.

Rejudgment record. New verdict — Accepted the 21.8% versus 26.5%, HR 0.80 hard-outcome result in 8,442 PARADIGM-HF participants while accounting for a single Novartis-funded pivotal trial, sequential ARNI and enalapril run-in selection, early stopping, and no independent large replication; null trials in other indications were not treated as refutation of HFrEF efficacy

Sub-claim grades by effect

This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.

Effect (sub-claim)GradeBasis
Reduced cardiovascular death and heart-failure hospitalization in HFrEFBA large hard-outcome trial was positive, but evidence is concentrated in one industry-funded trial stopped early.
Reduced cardiovascular death and heart-failure hospitalization across HFpEFDThe primary composite outcome was not significant in the large PARAGON-HF trial.
Reduced cardiovascular death and incident heart failure after acute myocardial infarctionDThe primary outcome was not significant in the large PARADISE-MI trial.

Cross-check — Codex and Claude

This verdict was drafted by Codex through literature review and source-existence checks, cross-checked through blind grading and adversarial audit, and settled by reapplying the methodology boundary rules. Cases with split grades were resolved through rejudgment.
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Evidence Table

StudyDesignSampleFundingEndpointResultWeight
McMurray JJV et al. 2014 PARADIGM-HFRandomized double-blind active-controlled event-driven trial8,442NovartisCardiovascular death or heart-failure hospitalizationRates were 21.8% versus 26.5%, HR 0.80; cardiovascular-death HR was 0.80 and heart-failure hospitalization fell 21%.Pivotal HFrEF hard-outcome evidence
Solomon SD et al. 2019 PARAGON-HFRandomized double-blind active-controlled trial4,822NovartisTotal heart-failure hospitalizations and cardiovascular deathThe between-group difference in the primary composite was not significant.Limits extension to HFpEF
Pfeffer MA et al. 2021 PARADISE-MIRandomized double-blind active-controlled trial5,661NovartisCardiovascular death or incident heart failureHR was 0.90 (95% CI 0.78 to 1.04), P=0.17, and not significant.Limits post-infarction extension
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Receipt — 3 References

All 3 cited sources were verified for existence at the original page (as of 2026-07-20).

McMurray JJV, et al. Angiotensin-neprilysin inhibition versus enalapril in heart failure. N Engl J Med. 2014;371:993-1004. PMID: 25176015. DOI: 10.1056/NEJMoa1409077.
checked
Solomon SD, et al. Angiotensin-neprilysin inhibition in heart failure with preserved ejection fraction. N Engl J Med. 2019;381:1609-1620. PMID: 31475794. DOI: 10.1056/NEJMoa1908655.
checked
Pfeffer MA, et al. Angiotensin receptor-neprilysin inhibition in acute myocardial infarction. N Engl J Med. 2021;385:1845-1855. PMID: 34758252. DOI: 10.1056/NEJMoa2104508.
checked
Draft and rewrite: Codex (AI) · Verification: Codex blind grading and adversarial audit · Final adjudication: Claude
Reviewed and approved: Chamgap Editorial Team · Approval date: 2026-07-20 · Corrections: none

Cite this verdict

Sacubitril/valsartan x lower cardiovascular death and heart-failure hospitalization in HFrEF Evidence Grade B card
[Chamgap] Sacubitril/valsartan x lower cardiovascular death and heart-failure hospitalization in HFrEF — Evidence Grade B·77. 3 cited sources checked. Source: https://chamgap.com/en/verdicts/heart/sacubitril-valsartan-hfref-cardiovascular-death-heart-failure-hospitalization/ · CC BY 4.0

CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.

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What this document does and does not do

Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.