ObjectiveTo evaluate the efficacy of Paxlovid in treating Chinese elder patients infected with SARS-CoV-2 omicron variants.Materials and methodsWe performed a non-randomized, controlled trial in Shanghai, China. Participants infected with SARS-CoV-2 omicron variants were enrolled. All patients were divided into the Paxlovid group or the control group according to the Chinese guideline (version 9). The nucleic acid shedding time was the primary endpoint.ResultsAccording to the inclusion criteria, 142 patients infected with omicron variants were enrolled, 36 patients who did not receive paxlovid were assigned to the control group, and 106 were in the Paxlovid group. The baseline characteristics were similar in either group. No significant difference in BMI, age, time from onset to patient enrollment, the severity on first admission, vaccination status, comorbidity, first symptoms, and laboratory results were recorded. Compared to the control group, participants in the Paxlovid group had a shorter viral shedding time [11.11 (2.67) vs. 9.32 (2.78), P = 0.001].ConclusionIn Chinese elder patients infected with the variant of SARS-CoV-2 omicron, our data suggest that Paxlovid can significantly reduce the nucleic acid shedding time.
Cell death can occur in different modes, ferroptosis, pyroptosis, apoptosis, and necroptosis. Recent studies have shown that pyroptosis can be effectively regulated and that like necroptosis, pyroptosis has been regarded as a type of programmed cell death. The mechanism of its occurrence can be divided into canonical inflammasome-induced pyroptosis and noncanonical inflammasome-induced pyroptosis. In the past research, pyroptosis has been shown to be closely related to various diseases, such as tumors, neurodegenerative diseases, and central nervous system trauma, and studies have pointed out that in central nervous system trauma, pyroptosis is activated. Furthermore, these studies have shown that the inhibition of pyroptosis can play a role in protecting nerve function. In this review, we summarized the mechanisms of pyroptosis, introduce treatment strategies for targeted pyroptosis in central nervous system trauma, and proposed some issues of targeted pyroptosis in the treatment of central nervous system injury.
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