Arianna Bassan, Ronald Steigerwalt, Douglas Keller, Lisa Beilke, Paul M Bradley, Frank Bringezu, William J Brock, Leigh Ann Burns-Naas, Jon Chambers, Kevin Cross, Michael Dorato, Rosalie Elespuru, Douglas Fuhrer, Frances Hall, Jim Hartke, Gloria D Jahnke, Felix M Kluxen, Eric McDuffie, Friedemann Schmidt, Jean-Pierre Valentin, David Woolley, Doris Zane, Glenn J Myatt
The ICH S1B carcinogenicity global testing guideline has been recently revised with a novel addendum that describes a comprehensive integrated Weight of Evidence (WoE) approach to determine the need for a 2-year rat carcinogenicity study. In the present work, experts from different organizations have joined efforts to standardize as much as possible a procedural framework for the integration of evidence associated with the different ICH S1B(R1) WoE criteria. The framework uses a pragmatic consensus procedure for carcinogenicity hazard assessment to facilitate transparent, consistent, and documented decision-making and it discusses best-practices both for the organization of studies and presentation of data in a format suitable for regulatory review...
2024: Frontiers in toxicology