Dose-escalation study of single oral administration of Methosulide in healthy adults to assess the safety and tolerability.~Multiple-dose study of Methosulide in healthy adults to assess the safety and tolerability.~Dose-escalation study of single oral administration of Methosulide in healthy adults to evaluate the pharmacokinetic characteristics~Multiple-dose study of Methosulide in healthy adults to evaluate the pharmacokinetics characteristics~Single dose,and cross-over study of Methosulide in healthy adults to evaluate the pharmacokinetic characteristics and effect of food.
The purpose of this study is to determine the safety and tolerability, and to evaluate the pharmacokinetic characteristics and food effect of Methosulide after oral administration in healthy adult subjects.