Guangzhou Nanxin Pharma Co Ltd

The main purpose of the study is to investigate the safety and efficacy of different doses and different times of peramivir inhalation solution compared with placebo in the treatment of uncomplicated uncomplicated influenza in adults, and to provide a basis for determining the dosing regimen in the efficacy confirmation phase. The secondary purpose of the study is to evaluate the PK characteristics and exposure-effect relationship of peramivir inhalation solution in uncomplicated uncomplicated influenza in adults based on the population pharmacokinetic (PopPK) analysis method.

Main study objectives: To preliminarily evaluate the efficacy and safety of meflunisal hydrochloride tablets in patients with type 2 diabetic nephropathy. Secondary study objectives: To evaluate the pharmacokinetic characteristics of meflunisal hydrochloride tablets in patients with type 2 diabetic nephropathy.

Main research objectives: To investigate the pharmacokinetic characteristics of peramivir inhalation solution given to healthy subjects by different inhalation methods; To investigate the pharmacokinetic characteristics of peramivir inhalation solution given to healthy subjects at different doses in single and multiple administrations; To investigate the bioavailability of peramivir inhalation solution and peramivir sodium chloride injection given to healthy subjects in single administration. Secondary research objectives: To investigate the safety and tolerability of peramivir inhalation solution given to healthy subjects in different doses in single and multiple administrations.