Fig. 1

Mean plasma concentration-time curves of riluzole after administering a single 50-mg oral dose of both the test and reference formulations in fasting conditions. The upper right inset displays a time frame of 0–2 h on an enlarged scale. T, test formulation (produced by Jiangsu Nhwa Pharmaceutical Co., Ltd, China); R, reference formulation (produced by Sanofi Winthrop Industrie, France)