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Recommendations for the conduct of systematic reviews in toxicology and environmental health research (COSTER)

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • Elisa Aiassa
  • Claire Beausoleil
  • Anna Beronius
  • Gary S. Bilotta
  • Alan Boobis
  • Rob B. M. de Vries
  • Annika Hanberg
  • Sebastian Hoffmann
  • Neil Hunt
  • Carol F. Kwiatkowski
  • Juleen Lam
  • Steven Lipworth
  • Olwenn Martin
  • Nicola Randall
  • Lorenz Rhomberg
  • Andrew Rooney
  • Holger J. Schunemann
  • Daniele Wikoff
Article number105926
<mark>Journal publication date</mark>1/10/2020
<mark>Journal</mark>Environment International
Number of pages13
Publication StatusPublished
Early online date9/07/20
<mark>Original language</mark>English


There are several standards that offer explicit guidance on good practice in systematic reviews (SRs) for the medical sciences; however, no similarly comprehensive set of recommendations has been published for SRs that focus on human health risks posed by exposure to environmental challenges, chemical or otherwise.

To develop an expert, cross-sector consensus view on a key set of recommended practices for the planning and conduct of SRs in the environmental health sciences.

A draft set of recommendations was derived from two existing standards for SRs in biomedicine and developed in a consensus process, which engaged international participation from government, industry, non-government organisations, and academia. The consensus process consisted of a workshop, follow-up webinars, email discussion and bilateral phone calls.

The Conduct of Systematic Reviews in Toxicology and Environmental Health Research (COSTER) recommendations cover 70 SR practices across eight performance domains. Detailed explanations for specific recommendations are made for those identified by the authors as either being novel to SR in general, specific to the environmental health SR context, or potentially controversial to environmental health SR stakeholders.

COSTER provides a set of recommendations that should facilitate the production of credible, high-value SRs of environmental health evidence, and advance discussion of a number of controversial aspects of conduct of EH SRs. Key recommendations include the management of conflicts of interest, handling of grey literature, and protocol registration and publication. A process for advancing from COSTER’s recommendations to developing a formal standard for EH SRs is also indicated.