Evaluating the food safety and risk assessment evidence-base of polyethylene terephthalate oligomers: Protocol for a systematic evidence map.

Hazard assessment Health risk assessment Oligomer Polyethylene terephthalate Systematic evidence map Toxicology

Journal

Environment international
ISSN: 1873-6750
Titre abrégé: Environ Int
Pays: Netherlands
ID NLM: 7807270

Informations de publication

Date de publication:
09 2022
Historique:
received: 14 03 2022
revised: 22 06 2022
accepted: 29 06 2022
pubmed: 17 7 2022
medline: 17 8 2022
entrez: 16 7 2022
Statut: ppublish

Résumé

Polyethylene terephthalate (PET) oligomers are ubiquitous in PET used in food contact applications. Consumer exposure by migration of PET oligomers into food and beverages is documented. However, no specific risk assessment framework or guidance for the safety evaluating of PET oligomers exist to date. The aim of this systematic evidence map (SEM) is to identify and organize existing knowledge clusters and associated gaps in hazard and exposure information of PET oligomers. Research needs will be identified as an input for chemical risk assessment, and to support future toxicity testing strategies of PET oligomers and regulatory decision-making. Multiple bibliographic databases (incl. Embase, Medline, Scopus, and Web of Science Core Collection), chemistry databases (SciFinder-n, Reaxys), and gray literature sources will be searched, and the search results will be supplemented by backward and forward citation tracking on eligible records. The search will be based on a single-concept PET oligomer-focused strategy to ensure sensitive and unbiased coverage of all evidence related to hazard and exposure in a data-poor environment. A scoping exercise conducted during planning identified 34 relevant PET oligomers. Eligible work of any study type must include primary research data on at least one relevant PET oligomer with regard to exposure, health, or toxicological outcomes. For indexed scientific literature, title and abstract screening will be performed by one reviewer. Selected studies will be screened in full-text by two independent reviewers. Gray literature will be screened by two independent reviewers for inclusion and exclusion. Risk of bias analysis will not be conducted as part of this SEM. Will be performed by one reviewer and peer-checked by a second reviewer for indexed scientific literature or by two independent reviewers for gray literature. The extracted and coded information will be synthesized in different formats, including narrative synthesis, tables, and heat maps. Zenodo: https://doi.org/10.5281/zenodo.6224302.

Sections du résumé

BACKGROUND
Polyethylene terephthalate (PET) oligomers are ubiquitous in PET used in food contact applications. Consumer exposure by migration of PET oligomers into food and beverages is documented. However, no specific risk assessment framework or guidance for the safety evaluating of PET oligomers exist to date.
AIM
The aim of this systematic evidence map (SEM) is to identify and organize existing knowledge clusters and associated gaps in hazard and exposure information of PET oligomers. Research needs will be identified as an input for chemical risk assessment, and to support future toxicity testing strategies of PET oligomers and regulatory decision-making.
SEARCH STRATEGY AND ELIGIBILITY CRITERIA
Multiple bibliographic databases (incl. Embase, Medline, Scopus, and Web of Science Core Collection), chemistry databases (SciFinder-n, Reaxys), and gray literature sources will be searched, and the search results will be supplemented by backward and forward citation tracking on eligible records. The search will be based on a single-concept PET oligomer-focused strategy to ensure sensitive and unbiased coverage of all evidence related to hazard and exposure in a data-poor environment. A scoping exercise conducted during planning identified 34 relevant PET oligomers. Eligible work of any study type must include primary research data on at least one relevant PET oligomer with regard to exposure, health, or toxicological outcomes.
STUDY SELECTION
For indexed scientific literature, title and abstract screening will be performed by one reviewer. Selected studies will be screened in full-text by two independent reviewers. Gray literature will be screened by two independent reviewers for inclusion and exclusion.
STUDY QUALITY ASSESSMENT
Risk of bias analysis will not be conducted as part of this SEM.
DATA EXTRACTION AND CODING
Will be performed by one reviewer and peer-checked by a second reviewer for indexed scientific literature or by two independent reviewers for gray literature.
SYNTHESIS AND VISUALIZATION
The extracted and coded information will be synthesized in different formats, including narrative synthesis, tables, and heat maps.
SYSTEMATIC MAP PROTOCOL REGISTRY AND REGISTRATION NUMBER
Zenodo: https://doi.org/10.5281/zenodo.6224302.

Identifiants

pubmed: 35841728
pii: S0160-4120(22)00314-2
doi: 10.1016/j.envint.2022.107387
pii:
doi:

Substances chimiques

Polyethylene Terephthalates 0

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

107387

Informations de copyright

Copyright © 2022 The Authors. Published by Elsevier Ltd.. All rights reserved.

Auteurs

Verena N Schreier (VN)

Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland; Swiss Centre for Applied Human Toxicology (SCAHT), University of Basel, Basel, Switzerland. Electronic address: verena.schreier@unibas.ch.

Christian Appenzeller-Herzog (C)

University Medical Library, University of Basel, Basel, Switzerland. Electronic address: christian.appenzeller@unibas.ch.

Beat J Brüschweiler (BJ)

Federal Food Safety and Veterinary Office (FSVO), Risk Assessment Division, Bern, Switzerland. Electronic address: beat.brueschweiler@blv.admin.ch.

Birgit Geueke (B)

Food Packaging Forum Foundation, Zurich, Switzerland. Electronic address: birgit.geueke@fp-forum.org.

Martin F Wilks (MF)

Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland; Swiss Centre for Applied Human Toxicology (SCAHT), University of Basel, Basel, Switzerland. Electronic address: martin.wilks@unibas.ch.

Thomas J Simat (TJ)

Chair of Food Contact Materials, Dresden University of Technology, Dresden, Germany. Electronic address: thomas.simat@tu-dresden.de.

Benoit Schilter (B)

Nestlé Institute of Food Safety and Analytical Sciences, Lausanne, Switzerland. Electronic address: benoit.schilter@rdls.nestle.com.

Martin Smieško (M)

Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland; Swiss Centre for Applied Human Toxicology (SCAHT), University of Basel, Basel, Switzerland. Electronic address: martin.smiesko@unibas.ch.

Jane Muncke (J)

Food Packaging Forum Foundation, Zurich, Switzerland. Electronic address: jane.muncke@fp-forum.org.

Alex Odermatt (A)

Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland; Swiss Centre for Applied Human Toxicology (SCAHT), University of Basel, Basel, Switzerland. Electronic address: alex.odermatt@unibas.ch.

Nicolas Roth (N)

Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland; Swiss Centre for Applied Human Toxicology (SCAHT), University of Basel, Basel, Switzerland. Electronic address: nicolas.roth@unibas.ch.

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Classifications MeSH