Comparing ARNI and ACE Inhibitor/ARB medications for heart failure

The Comparative Effectiveness Study Between ARNI and ACE Inhibitor/ARB Medication in Patient With Heart Failure With Reduced Ejection Fraction Using the Nationwide Population Based Real World Registry of Korean Heart Failure

Observational Wonju Severance Christian Hospital · NCT05329727

This study is testing whether a new heart medication called ARNI works better and is safer than traditional medications for people with heart failure.

Quick facts

Study typeObservational
Enrollment1000000 (estimated)
Ages18 Years and up
SexAll
SponsorWonju Severance Christian Hospital Academic / other
Locations1 site (Wonju, Gangwondo)
Trial IDNCT05329727 on ClinicalTrials.gov

What this trial studies

This observational study evaluates the effectiveness, safety, and cost-effectiveness of Angiotensin Receptor Neprilysin Inhibitors (ARNI) compared to ACE inhibitors and ARBs in patients with heart failure with reduced ejection fraction (HFrEF). It aims to identify unmet medical needs in real-world practice and inform healthcare policy and clinical guidelines for heart failure treatment in Korea. The study utilizes data from the Korean National Health Insurance Claims database to assess treatment patterns and outcomes among heart failure patients.

Who should consider this trial

Good fit: Ideal candidates for this study are adults diagnosed with heart failure with reduced ejection fraction, particularly those who have been hospitalized for their condition.

Not a fit: Patients under 18 years old or those for whom participation is deemed inappropriate by investigators will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment strategies and guidelines for managing heart failure, ultimately reducing mortality and hospital readmissions.

How similar studies have performed: Other studies have shown promising results with similar approaches, particularly in evaluating the effectiveness of ARNI in heart failure management.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* HF patients were defined as those with "heart failure" according to the disease code in the main code and the sub-code in the claims data.

HF patients who were assigned the following KCD-6 disease codes were considered as: "hypertensive heart disease with (congestive) HF" (I11.0), "hypertensive heart and renal disease with (congestive) HF" (I13.0), "hypertensive heart and renal disease with both (congestive) HF and renal failure" (I13.2), and "HF" (I50) including "congestive HF" (I50.0), "LV failure" (I50.1), and "HF and unspecified" (I50.9).

* HFrEF patients were defined with the following KCD-6 disease codes: "Congestive heart failure with systolic dysfunction"(I5004), "Left ventricular failure"(I501), "Ischaemic cardiomyopathy"(I22.5), "Dilated cardiomyopathy" (I420).

Hospitalized heart failure is defined as the HF disease code and admission.

Exclusion Criteria:

* Less than 18 years old
* In case where investigators determine it's inappropriate to be included in the study as per investigators' clinical judgment

Where this trial is running

Wonju, Gangwondo

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Heart FailureMortality
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.