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Efficacy and Safety of Suxiao Jiuxin Pills in the Treatment of Chronic Coronary Syndrome with Intolerance to Adverse Effects of Long-acting Nitrates: A Multicenter, Randomized, Double-blind, Placebo-controlled Study

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Publisher Biomed Central
Date 2024 Oct 4
PMID 39367481
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Abstract

Background: This study aims to investigate the short-term effects and safety of adjunct Suxiao Jiuxin Pills (SJPs) on conventional therapy in chronic coronary syndrome (CCS) patients who are intolerant to the adverse effects of long-acting nitrates.

Methods: This was a multicenter, randomized, double-blind, placebo-controlled trial. A total of 174 CCS participants from eight clinical study centers in China were included in the modified intention-to-treat analyses. Participants with CCS and intolerance to the adverse effects of long-acting nitrates were recruited and randomized to either the SJPs or the placebo group for a duration of 4 weeks.

Results: Compared to the placebo group, the SJPs group showed a significant improvement in the efficacy rate after 4 weeks (OR = 2.43, 95% CI = 1.32 to 4.47, P = 0.004). Besides, individuals without a history of alcohol consumption showed a greater improvement in the SAQ summary score compared to those with a history of alcohol consumption.

Conclusion: Adjunctive SJPs enhance the effectiveness of short-term conventional anti-angina treatment for patients with CCS who experience intolerance to long-acting nitrates, without significant adverse effects during application.

Trial Registration: Chinese Clinical Trials Registry Platform, ChiCTR2100050066. Registered 16 August 2021, https://www.chictr.org.cn/showproj.html?proj=131470 .

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