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Objectives: This study examined the effectiveness of nirmatrelvir plus ritonavir (NMV-r) and molnupiravir (MOV) in treating COVID-19 among chronic kidney disease (CKD) patients. Methods: This retrospective cohort study, using the TriNetX research network, identified stage 3–5 CKD and end-stage kidney disease (ESKD) patients with non-hospitalized COVID-19 between 1 January 2022, and 31 May 2023. Propensity score matching (PSM) was used to compare patients on NMV-r or MOV (antiviral group) against those not receiving these treatments (control group). The primary composite outcome was the cumulative hazard ratio (HR) for all-cause hospitalization or death within the 30-day follow-up. Results: After PSM, two balanced cohorts of 6,275 patients each were established. The antiviral group exhibited a lower incidence of all-cause hospitalization or mortality (5.93% vs. 9.53%; HR: 0.626; 95% CI: 0.550–0.713) than controls. Additionally, antiviral recipients were associated with a lower risk of all-cause hospitalization (HR: 0.679; 95% CI: 0.594–0.777) and mortality (HR: 0.338; 95% CI: 0.227–0.504). The beneficial effects of antiviral agents were consistent across sex, age, vaccination status, antiviral type, and CKD stage. Conclusion: Oral antiviral agents could be associated with lower rates of all-cause hospitalization or death among non-hospitalized COVID-19 patients with CKD. [ABSTRACT FROM AUTHOR]

This study assessed the clinical efficacy of nirmatrelvir plus ritonavir (NMV-r) in treating patients with COVID-19 who have preexisting cardiovascular diseases (CVDs). Patients with underlying CVDs and COVID-19 were included from the TriNetX network. We employed a 1:1 propensity score matching to create two comparable cohorts: patients receiving NMV-r and those not receiving NMV-r. The primary outcome was the composite outcome of all-cause hospitalization or death within 30 days. Propensity score matching yielded two matched cohorts of 10,847 patients each. The composite outcomes of all-cause hospitalization or death within 30 days were 2.2% (239 patients) in the NMV-r cohort and 4.7% (512 patients) in the control cohort, indicating reduced risk in the NMV-r cohort (hazard ratio [HR], 0.475; 95% confidence interval [CI], 0407–0.533). The NMV-r cohort exhibited lower risks of all-cause hospitalization (HR, 0.525; 95% CI, 0.449–0.615) and mortality (HR, 0.113; 95% CI, 0.052–0.246) compared with the control group. A similar trend was observed across most of the subgroups. Our findings indicate that NMV-r to treat COVID-19 could reduce all-cause hospitalization and death in patients with CVDs. [ABSTRACT FROM AUTHOR]