A Study Evaluating the Effect of a Single-dose Oral Administration of Nemonoxacin Capsule on QTc Intervals and Heart Rhythms of Healthy Subjects and the Influence of Food Intake on QTc Intervals and Pharmacokinetic Characteristics

A randomized, single-center, placebo and positive control, 4-period and 4-crossover clinical study with the following main purposes: (1) To evaluate the effect of a single-dose oral administration of nemonoxacin malate capsule on QTc intervals and heart rhythms of healthy subjects. (2) To evaluate the influence of food intake on QTc intervals and pharmacokinetic characteristics.