Safety Assessments
Adverse events (AEs) were monitored throughout the study. During each period, vital signs, 12-lead ECG, and clinical laboratory evaluations (clinical chemical analysis, hematologic testing, and urinalysis) were recorded. All AEs were assessed by the investigators with respect to severity, course, outcome, seriousness, and relationship to the study drug. Clinical laboratory tests were performed by the central laboratory of PUMCH, which obtained College of American Pathologists Laboratory Accreditation Certificate.