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The Physicians Committee for Responsible Medicine (PCRM) New Approach Methodologies (NAM) Use for Regulatory Applications (NURA) program is offering a free three-session training series on replacing the traditional two-year bioassay with a more effective, human-relevant carcinogenicity assessment. In “Tomorrow’s Data Today: Sunsetting the 2-year Carcinogenicity Assay,” toxicologists, risk assessors, and scientists will hear directly from other experts on the current progress among working...

At its June 22, 2007, meeting, the National Toxicology Program’s (NTP) Board of Scientific Counselors (BSC) reviewed nominations of several substances for testing, including nanoscale silver. The Food and Drug Administration nominated nanoscale silver for toxicological studies “based on (a) increasing widespread use in drug, food and cosmetic products, and (b) the general lack of data on the toxicology and pharmacokinetics of these materials.” Comments on the...