A Pharmacokinetics and Safety Study of Azvudine Tablets in Subjects With Mild-To-Moderate GFR Decline in Renal Insufficiency and in Healthy Subjects

Azvudine(FNC)，a nucleoside reverse transcriptase inhibitor, make itself a better candidate to be co-formulated in other anti-HIV therapies, thus to improve patient's compliance. FNC is a broad-spectrum RNA virus inhibitor that inhibits the novel coronavirus RNA-dependent RNA polymerase. This trial uses a non-randomized, open-label, parallel, single-dose adaptive design aimed at investigating the effects of varying degrees of renal insufficiency on the pharmacokinetics, safety, and tolerability of a single oral dose of 3 mg Azvudine tablets in humans. On the first day of the study, a single oral dose of 3 mg ( 3 tablets ) of Azvudine tablets is taken orally on an empty stomach. Biological sample collection and safety examination will be performed in this trial.