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PFAS health effects database: Protocol for a systematic evidence map.

Katherine E Pelch1, Anna Reade2, Taylor A M Wolffe3

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PubMed
Summary

This study maps health and toxicology research on 29 per- and polyfluoroalkyl substances (PFAS). It organizes existing literature to inform regulators, scientists, and the public about PFAS risks.

Keywords:
PFASPer- and polyfluoroalkyl substancesSystematic evidence mapToxicology

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Area of Science:

  • Environmental Health
  • Toxicology
  • Chemical Safety

Background:

  • Per- and polyfluoroalkyl substances (PFAS) are widely used in consumer and industrial products for their unique properties.
  • PFAS are environmentally persistent and detected in human populations, raising significant regulatory concerns.
  • There is a growing need for accessible information on PFAS health and toxicology.

Purpose of the Study:

  • To systematically identify and organize the health and toxicology literature for 29 PFAS of emerging concern.
  • To create a comprehensive evidence map of PFAS-related health effects and toxicological data.
  • To support informed decision-making by regulators, scientists, and the public.

Main Methods:

  • A systematic literature search of PubMed was conducted for health or toxicological studies on 29 specific PFAS.
  • Eligible studies focused on primary research linking PFAS to health effects, toxicology, or biological mechanisms.
  • Study characteristics were extracted and coded, with a single reviewer for inclusion and two for exclusion.

Main Results:

  • An evidence map of the available health and toxicology literature on 29 PFAS was developed.
  • The findings will be presented in a publicly accessible, interactive database and a narrative summary.
  • This systematic approach consolidates current knowledge on PFAS health impacts.

Conclusions:

  • This evidence map provides a structured overview of the existing research on 29 key PFAS.
  • The organized data will facilitate a better understanding of PFAS toxicology and health implications.
  • The findings aim to inform ongoing regulatory and scientific efforts concerning PFAS contamination.