The U.S. Environmental Protection Agency (EPA) will hold a two-day training on its high throughput toxicokinetic (HTTK) R package as part of its New Approach Methods (NAM) Training Program:
- Day 1: Presentation and demo: Wednesday, November 8, 2023, 10 a.m. - 12 p.m. (EST); and
- Day 2: Expert-led hands-on learning activity: Thursday, November 9, 2023, 10 a.m. - 12 p.m. (EST).
According to EPA, toxicokinetics (TK) provides a bridge between toxicity and exposure assessment by predicting tissue concentrations due to exposure. EPA notes that traditional TK methods can be resource intensive and require chemical-specific data. EPA states that its freely available HTTK R package uses data from in vitro high-throughput screening data sets, which can be used to fill data gaps in traditional TK methods.
EPA’s goal for the two-day training is to familiarize those engaged in chemical exposure assessment, including researchers, regulators, and health and environmental safety professionals, with EPA’s generic and open-source models and data for toxicokinetics, including reverse dosimetry and physiologically based pharmacokinetic (PBPK) modeling for internal dose calculation. The training will include an application-oriented presentation and demonstration (Day 1), as well as opportunities for participatory learning and engagement (Day 2).
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