Sacubitril/Valsartan Versus Valsartan Alone on Left Atrial Volume Index in Hypertensive Patients
Comparative Efficacy of Sacubitril/Valsartan Versus Valsartan Alone on Left Atrial Volume Index in Hypertensive Patients: A Randomized Controlled Trial
Hypertension is a leading global risk factor for cardiovascular disease and is frequently associated with left atrial and ventricular remodeling, leading to subclinical diastolic dysfunction[cite: 2]. Left Atrial Volume Index (LAVI) serves as a sensitive indicator of left ventricular diastolic dysfunction and a key predictor of adverse cardiovascular outcomes, including atrial fibrillation, stroke, and heart failure with preserved ejection fraction (HFpEF)[cite: 2]. Reversing or preventing left atrial enlargement is critical to improving long-term prognosis in hypertensive patients[cite: 2].
While sacubitril/valsartan (an angiotensin receptor-neprilysin inhibitor, ARNI) has demonstrated significant clinical benefits in heart failure, limited data exist regarding its comparative efficacy against valsartan alone in reversing left atrial remodeling in hypertensive patients with preserved ejection fraction (LVEF >50%)[cite: 2].
This randomized controlled trial aims to evaluate and compare the efficacy of sacubitril/valsartan versus valsartan monotherapy in reducing LAVI and improving blood pressure control over a 6-month treatment period in hypertensive patients with preserved ejection fraction and enlarged left atrium (LAVI >34 mL/m²)[cite: 2].
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Anslået)
Fase
- Ikke anvendelig
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Patients aged 40 to 65 years.
- Both male and female patients.
- Diagnosed with hypertension based on a self-reported history of hypertension with anti-hypertensive medication use for at least 4 weeks and a sitting systolic blood pressure ≥ 150 mmHg at presentation.
- Left ventricular ejection fraction (LVEF) > 50% assessed on echocardiography.
- Left atrial volume index (LAVI) > 34 mL/m² assessed on echocardiography.
Exclusion Criteria:
- Uncontrolled hypertension presenting with systolic blood pressure > 180 mmHg.
- Secondary hypertension (e.g., secondary to renal artery stenosis, end-stage renal disease, pheochromocytoma, or primary hyperaldosteronism).
- Hyperkalemia (serum potassium level > 5.5 mmol/L).
- History of chronic kidney disease (eGFR < 60 mL/min).
- Known history of hypersensitivity to sacubitril, valsartan, or related drug classes.
- Pregnant or lactating females.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Eksperimentel: Group A: Sacubitril/Valsartan
Participants receive Sacubitril/Valsartan 100 mg orally once daily for 8 weeks. The dose is titrated to 200 mg orally once daily if target blood pressure is not achieved at 8 weeks, with treatment continuing for a total duration of 6 months. |
Sacubitril/Valsartan administered orally once daily at an initial dose of 100 mg for 8 weeks, titrated to 200 mg once daily if target blood pressure is not met, for a total of 6 months. |
|
Aktiv komparator: Group B: Valsartan
Participants receive Valsartan 80 mg orally once daily for 8 weeks. The dose is titrated to 160 mg orally once daily if target blood pressure is not achieved at 8 weeks, with treatment continuing for a total duration of 6 months. |
Valsartan administered orally once daily at an initial dose of 80 mg for 8 weeks, titrated to 160 mg once daily if target blood pressure is not met, for a total of 6 months. |
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Mean Change in Left Atrial Volume Index (LAVI)
Tidsramme: Baseline and 6 months
|
Change in Left Atrial Volume Index (LAVI) measured in mL/m² from baseline to 6 months . Left atrial volume is measured using transthoracic echocardiography (apical 4-chamber and 2-chamber views at end-systole) and normalized to body surface area calculated via the Du-Bois formula |
Baseline and 6 months
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Mean Change in Systolic Blood Pressure (SBP)
Tidsramme: Baseline, 8 weeks, and 6 months
|
Change in sitting systolic blood pressure (mmHg) measured using a standard blood pressure apparatus |
Baseline, 8 weeks, and 6 months
|
|
Echocardiographic Parameters of Diastolic Function
Tidsramme: Baseline, 8 weeks, and 6 months
|
Mean changes in parameters of diastolic function evaluated via echocardiography, including E/A ratio, E/e' ratio, deceleration time (DT in ms), and peak early diastolic mitral annular velocity (e' in cm/sec). |
Baseline, 8 weeks, and 6 months
|
Samarbejdspartnere og efterforskere
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Primær færdiggørelse (Anslået)
Studieafslutning (Anslået)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
- Karsygdomme
- Hjerte-kar-sygdomme
- Hjertesygdomme
- Ventrikulær dysfunktion
- Essentiel hypertension
- Forhøjet blodtryk
- Ventrikulær dysfunktion, venstre
- Aminosyrer, peptider og proteiner
- Heterocykliske forbindelser, 1-ring
- Heterocykliske forbindelser
- Azoler
- Aminosyrer
- Aminosyrer, essentielle
- Tetrazoler
- Valine
- Aminosyrer, forgrenet kæde
- Valsartan
- Sacubitril og Valsartan natriumhydratlægemiddelkombination
Andre undersøgelses-id-numre
- Exp144
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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