CDDF Dose optimization workshop 2023 – Presentations CDDF Multi-Stakeholder workshop Dose optimization in early oncology drug development 3 – 4 April 2023, Hybrid workshop Presentations SESSION 1: The challenges of dose optimization Keynote Lecture: The need for dose optimization in early drug development – Mark J. Ratain (Uchicago Medicine, USA) Clinician perspective – Elena Garralda (VHIO, ES) Regulator’s perspective – Filip Josephson (Lakemedelsverket, SE) Industry perspective – Harald Weber (Seagen, CH) SESSION 2: Project Optimus and other Regulatory Initiatives Goals and Status of Project Optimus – Stacy Shord, PharmD (FDA, US) Patient contribution to Project Optimus – Dr. Hillary Stires (FOCR, US) SESSION 3: Dose Optimization - methodological approaches Using tumor evolutionary theory to inform optimal doses – Carter (Yanguang) Cao (UNC, US) Biomarker consideration & Translational modeling – Weirong Wang (J&J, US) New Statistical Concepts for Phase 1 and Phase 2 Studies – Ulrich Beyer (Roche, CH) SESSION 4: Dose Optimization - Options for the path forward Optimised Dosing – How to optimise the trade-offs? – Chunze Li (Roche, US) Safety and Toxicity – Sophie Postel-Vinay (Gustave Roussy, FR) Integrating Patient-Reported Outcomes – Chad Gwaltney (Gwaltney Consulting, US) Academic Perspective (with case studies) – Johann de Bono (consultant in ICR, UK) Industry Perspective (IQ, industry consortium, with case studies) – Divya Samineni (Roche, US) & Neeraj Gupta (Takeda, US)