The purpose of this study is to compare changes in cardiac structure and function, biomarkers, and patient reported outcomes between adults with congenital heart disease (ACHD) randomized to angiotensin receptor-neprilysin inhibitor (ARNI) therapy vs placebo.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
45
Patients will take a 24/26 mg dose orally, twice daily, for weeks 1 and 2, 49/51 mg orally, twice daily, for weeks 3 and 4, and 97/103 mg orally twice daily, for the remaining 48 weeks (total duration: 52 weeks).
Patients taking placebo tablets will take 1 tablet orally, twice daily
Mayo Clinic in Rochester
Rochester, Minnesota, United States
RECRUITINGVentricular function
Ventricular Function will be determined by indices of Right Ventricle (RV) and Left Ventricle (LV) systolic and diastolic function indices acquired from CMRI and transthoracic echocardiographic imaging.
Time frame: Baseline, Week 52
Ventricular structure
Ventricular structure will be determined by Right Ventricle (RV) and Left Ventricle (LV) size and wall thickness acquired from CMRI and transthoracic echocardiographic imaging.
Time frame: Baseline, Week 52
Change from baseline in Hs-Troponin
Hs-Troponin will be determined by blood specimen and will be measured in ng/L. A higher value indicates damage to the heart.
Time frame: Baseline, Week 52
Change from baseline in Galectin 3
Galectin 3 will be determined by blood specimen and will be measure in ng/mL. A higher value indicates a higher severity of heart disease.
Time frame: Baseline, Week 52
Change from baseline in Cystatin C
Cystatin C will be determined by blood specimen and measured in mg/L. A lower value reflects better kidney function.
Time frame: Baseline, Week 52
Change in baseline in Soluble ST-2 (sST-2)
Soluble ST-2 (sST-2) will be determined by blood specimen and measured in ng/mL. A higher value indicates a higher severity of heart failure.
Time frame: Baseline, Week 52
Patient reported outcomes
Patient reported outcomes will be determined by a quality-of-life questionnaire. A self-assessment survey to assess the extent to which heart failure (HF) affects the patient's activities of daily living and quality of life. The questionnaire is 12 questions and a lower score reflects more severe the limitations on daily life.
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Time frame: Baseline, Week 52