Effectiveness of nirmatrelvir/ritonavir & molnupiravir in reducing the risk of short- and long-term cardiovascular complications of COVID-19,2025,Guo+

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Senior Member (Voting Rights)
Effectiveness of nirmatrelvir/ritonavir and molnupiravir in reducing the risk of short-term and long-term cardiovascular complications of COVID-19: a target trial emulation study

Guo, Zihao; Wei, Yuchen; Lin, Guozhang; Jia, Katherine Min; Boyer, Christopher; Wang, Huwen; Li, Conglu; Hung, Chi Tim; Yam, Carrie Ho Kwan; Chow, Tsz Yu; Zhao, Shi; Li, Kehang; Yang, Aimin; Mok, Chris Ka Pun; Hui, David SC; Yeoh, Eng Kiong; Chong, Ka Chun

Abstract​

While treatment with nirmatrelvir/ritonavir or molnupiravir is effective in lowering the rate of severe COVID-19, the effectiveness of these antivirals in reducing the risk of cardiovascular outcomes, especially among the hospitalized population, remains largely unknown.
In this study, we assessed the real-world effectiveness of nirmatrelvir/ritonavir and molnupiravir on short- and long-term cardiovascular complications of COVID-19 using a target trial emulation design.

Two target trials of COVID-19 antivirals were emulated by using a territory-wide, population-based, retrospective cohort of hospitalized patients in Hong Kong.
Nine cardiovascular outcomes were evaluated in both short-term (day 0–21) and long-term (day 22–365) post-SARS-CoV-2 infection.
Compared with the control group, the use of nirmatrelvir/ritonavir was associated with a significantly lower one-year risk of cardiovascular mortality, composite cardiovascular complications, major adverse cardiac events, cerebrovascular disorders, dysrhythmia, ischemic heart disease, and other cardiac disorders following infection.
Molnupiravir use was associated with a short-term risk reduction in cardiovascular complications, but only a marginal risk reduction in long-term cardiovascular mortality among other complications.

This study demonstrated the effectiveness of nirmatrelvir/ritonavir in reducing the risks of short- and long-term cardiovascular complications following a SARS-CoV-2 infection among the hospitalized population.
Our findings suggested health-related benefits of prescribing nirmatrelvir/ritonavir over molnupiravir against severe cardiovascular post-acute sequelae of COVID-19 in the long term.

Web | DOI | Nature Communications
 
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