P21-01 Assessment of a range of Next Generation Nicotine products using ToxTracker® and ToxProfiler™ MAX assays reveal marked reductions in biological activity compared to a cigarette - M. Stevenson; I. Brandsma; M. Meijer; M. Rijkers; B. ter Braak; L. Wolters; E. Trelles-Sticken; R. Wieczorek; S.J. Pour; T. Evenburg; F. Chapman; L. Simms (Toxicology Letters, 2025)