Abstract
This randomized, double-blind phase 2 study assessed the efficacy and safety of sacubitril/allisartan, an angiotensin receptor neprilysin inhibitor, compared with placebo in Chinese patients with mild to moderate hypertension. Eligible patients aged 18–75 years (n = 235) with mild to moderate hypertension were randomized to receive sacubitril/allisartan 120 mg (n = 52), sacubitril/allisartan 240 mg (n = 52), sacubitril/allisartan 480 mg (n = 52), placebo (n = 26) or olmesartan 20 mg (n = 53) once daily for 8 weeks. The primary end point was a reduction in clinic systolic blood pressure from baseline with different doses of sacubitril/allisartan versus placebo at 8 weeks. Secondary efficacy variables included clinic diastolic blood pressure and 24-h ambulatory blood pressure for the comparison between sacubitril/allisartan and placebo at 8 weeks. Safety assessments included all adverse events and serious adverse events. Sacubitril/allisartan 480 mg/day provided a significantly greater reduction in clinic systolic blood pressure than placebo at 8 weeks (between-treatment difference: −9.1 mmHg [95% confidence interval −1.6 to −16.6 mmHg], P = 0.02). There were also significant reductions in 24-h, daytime and nighttime systolic and diastolic blood pressure for sacubitril/allisartan 480 mg/day compared with placebo (P ≤ 0.03). Similarly, a greater reduction in daytime systolic blood pressure was observed for sacubitril/allisartan 240 mg/day compared with placebo (between-treatment difference: −7.3 mmHg [95% confidence interval −0.5 to −14.0 mmHg], P = 0.04). Sacubitril/allisartan was well tolerated, and no cases of angioedema were reported. Sacubitril/allisartan is effective for the treatment of hypertension in Chinese patients and is well tolerated.
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Acknowledgements
We gratefully acknowledge all investigators at the participating centers and all patients for their commitment to the study.
Funding
The study was funded by Salubris Pharma (Shenzhen, Guangdong Province, China). The study investigators were also financially supported by grants from the National Natural Science Foundation of China (91639203 and 82070435), and Ministry of Science and Technology (grants 2018YFC1704902 and 2022YFC3601302), Beijing, China, from the Shanghai Municipal Commissions of Science and Technology (grant 19DZ2340200), and Health (a special grant for “leading academics”), and The Three-year Action Program of Shanghai Municipality for Strengthening the Construction of Public Health System (GWV-10.1-XK05) Big Data and Artificial Intelligence Application, Shanghai, China, and from The Clinical Research Program, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine (grant 2018CR010), Shanghai, China.
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JGW reports receiving lecture and consulting fees from Novartis, Omron, Servier, and Viatris; The other authors declared no conflicts of interest.
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Zhang, J., Zhang, W., Yan, J. et al. Efficacy and safety of sacubitril/allisartan for the treatment of primary hypertension: a phase 2 randomized, double-blind study. Hypertens Res 46, 2024–2032 (2023). https://doi.org/10.1038/s41440-023-01326-7
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DOI: https://doi.org/10.1038/s41440-023-01326-7