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On July 28, 2022, the National Toxicology Program (NTP) announced that the following revised Technical Reports on the Toxicity Studies are available on the NTP website: According to NTP, transcription errors were identified in these reports, and an audit was conducted. NTP revised and republished the reports with an appendix that identifies the corrections. NTP notes that the final tables are available in the Chemical Effects in Biological Systems (CEBS) database....

The National Toxicology Program (NTP) published a Federal Register notice on January 31, 2020, announcing that the Board of Scientific Counselors (BSC) will meet on February 21, 2020.  During the meeting, BSC will review and provide advice on programmatic activities.  According to the preliminary agenda for the meeting, the meeting will include a presentation by Dr. Anil Patri, Food and Drug Administration, National Center for Toxicological Research,...

The U.S. Environmental Protection Agency (EPA) announced on January 15, 2020, that it is partnering with People for the Ethical Treatment of Animals (PETA) and Physicians for Responsible Medicine (PCRM) to host public webinars on various topics related to reducing, refining, or replacing vertebrate animal testing.  A webinar will be held on January 22, 2020, covering the use and application of the Collaborative Acute Toxicity Modeling Suite (CATMoS), a free resource for screening organic...

On December 5, 2019, the National Toxicology Program (NTP) announced that the NTP Technical Report on the Toxicity Studies of 1020 Long Multiwalled Carbon Nanotubes Administered by Inhalation to Sprague Dawley (Hsd:Sprague Dawley® SD®) Rats and B6C3F1/N Mice is now available.  In 2003, the Rice University Center for Biological and Environmental Nanotechnology nominated nanoscale materials as a class of substances for toxicological evaluation.  The recommended...

The August 2010 issue of the National Institute of Environmental Health Sciences (NIEHS) Environmental Factor includes an article regarding the Intramural NanoHealth Signature Program, which is intended to investigate the health effects of engineered nanomaterials (ENM) in susceptible populations. According to the article, ENMs are increasingly found in medications, cosmetics, electronics, and other consumer products, creating environmental as well as occupational...

On October 17, 2007, the National Toxicology Program (NTP) announced that the Board of Scientific Counselors (BSC) will meet on December 6, 2007. The notice states that the preliminary agenda topics include review of NTP study nominations and proposed research and testing activities for several substances, including nanoscale gold. Written comments are due November 21, 2007. The deadline for pre-registration is November 29, 2007. NTP will post when...

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...