The GastroPlus Advanced Workshop offers a comprehensive introduction and hands-on demonstrations of PBPK modeling with GastroPlus. Participants will explore oral absorption prediction, parameter sensitivity analysis, and human PK simulations, including DDI and special population modeling. The program covers IVIVR/IVIVC development, virtual bioequivalence studies, and ADME parameterization, while highlighting regulatory applications and case studies. Through interactive operations and expert presentations, attendees gain practical skills to apply GastroPlus in drug discovery, development, and clinical trial design.