Cited by 154Pharmaceutical and Antibiotic Environmental ImpactsEnvironmental Toxicology and EcotoxicologyPesticide and Herbicide Environmental Studies

Aquatic Environmental Risk Assessment for Human Use of the Old Antibiotic Sulfamethoxazole in Europe

Straub, Jürg Oliver·2015·Environmental Toxicology and Chemistry

Abstract

Sulfamethoxazole (SMX) is an old sulfonamide antibiotic that was launched first in combination with trimethoprim in 1969 by F.Hoffmann-La Roche. Although sales figures for SMX have been declining over the past 20 yr, the compound is still widely used; moreover, many measured environmental concentrations (MECs) are available from Europe, the United States, Asia, Australia, and Africa. To assess aquatic risks of SMX in Europe, the exposure of European surface waters was predicted based on actual sales figures from IMS Health, incorporating environmental fate data on one side, and based on collated MECs representing more than 5500 single measurements in Europe on the other. Environmental effects were assessed using chronic and subchronic ecotoxicity data for 16 groups of aquatic organisms, from periphyton communities to cyanobacteria, algae, higher plants, various invertebrates, and vertebrates. Predicted no-effect concentrations (PNECs) were derived using both deterministic and probabilistic methodology. The predicted environmental concentration (PEC)/PNEC and MEC/PNEC comparisons overall showed no appreciable risk, except in a low incidence (<0.55%) of cases in which exceptionally high MECs led to MEC/PNEC risk characterization ratios greater than 1. The PNECs derived in the present study can be used to extend aquatic environmental risk assessment for SMX to other continents. No risk appears for indirect human exposure to SMX via the environment.

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Crossref · 10.1002/etc.2945

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Authors
Straub, J. O.
Affiliations
F. Hoffmann-La Roche AG (CH)
Corresponding author
Straub, Jürg Oliver
Venue
Environmental Toxicology and Chemistry
Published
2015-02-18
Volume
35
Issue
4
Pages
767-779
ISSN
  • 0730-7268 (ISSN-L)
  • 1552-8618
OpenAlex
W2098390402
Cited by
154
References
94
Citations by year
2026: 16 · 2025: 17 · 2024: 17 · 2023: 29 · 2022: 19 · 2021: 16 · 2020: 9 · 2019: 8 · 2018: 6 · 2017: 11 · 2016: 5 · 2015: 1
FWCI
0.59
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Toxicology and Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
  • Physical Sciences › Environmental Science › Pollution › Pesticide and Herbicide Environmental Studies
Keywords
sulfamethoxazole, sulfonamide antibiotics, aquatic toxicity, environmental risk assessment, predicted no-effect concentration, pharmaceutical sales data, environmental fate, chronic ecotoxicity, Europe
MeSH terms
Animals, Anti-Bacterial Agents, Environmental Monitoring, Europe, Fresh Water, Humans, Sulfamethoxazole, Water Pollutants, Chemical, Risk Assessment, No-Observed-Adverse-Effect Level, Aquatic Organisms

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