recommendations for improving environmental risk...
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MISTRAPHARMA POLICYBRIEF
Recommendations for Improving Environmental Risk Assessment of Pharmaceuticals
MISTRAPHARMA Identification and Reduction of Environmental Risks Caused by Human Pharmaceuticals
www.mistrapharma.se
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PHARMACEUTICALS IN THE ENVIRONMENTThe use of pharmaceuticals is increasing and a couple of hundred pharmaceutical substances have already been found in low levels in the aquatic environment. This is a warning signal that our use of pharmaceuticals can lead to environmental problems in the future. Pharmaceuticals are designed to affect biological systems and to resist degradation before they reach the target organ. Therefore, many pharmaceuticals survive wastewater treatment and enter the aquatic environment where they may affect aquatic organisms. Pharmaceuticals identified to be of environmental concern include steroidal hormones, antibiotics, analgesics, parasiticides, and anti-anxiety drugs.
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1 Require environmental risk assessment also for products put on the market before 2006
We recommend that environmental risk assess-ments are performed also on pharmaceutical products approved before the European Medicines Agency’s guideline came into force. There is simply no scientific evidence that products put on the market before 2006 are of less environmental concern than new products.
The MistraPharma research program proposes 10 recommenda-tions for improving environmental risk assessment of human pharmaceuticals.
The recommendations are based on up-to-date scientific knowledge concerning pharmaceuticals’ effects and presence in the environment, as well as experiences from the REACH-framework that regulates industrial chemicals.
Recommendations for Improving Environmental Risk Assessment of Pharmaceuticals
2Add requirements to assess the risk for development of antibiotic resistance
We recommend that information that enables assessment of the risk for increased antibiotic
resistance development is included in the environmental risk assessment for antibiotic
substances. This would provide a more accurate picture of the risks associated with environmental
occurrence of antibiotics.
MISTRAPHARMA POLICY BRIEF 2015
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3 Perform only one environmental risk assessment per pharmaceutical substance
We recommend that pharmaceutical companies that produce or import the same pharmaceutical substances submit a joint environmental risk assessment instead of submitting one per company. This would provide decision makers with coherent information, avoid duplication of work and reduce animal testing.
5 Perform mixture toxicity assessments on pharmaceutical substance with similar modes of action
We recommend that environmental risk assessments also consider the total exposure for groups of pharmaceutical substances with similar modes of action. This would enable a more accurate assessment of the environmental risks.
4 Refine the tiered approach
We recommend that the test approach is refined to include pharmacological and toxicological data from the drug discovery process, as well as bioconcentration data. This would improve the prioritization process for further testing so that ecotoxicity testing is focused on the most problematic substances and the most relevant test organisms.
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8Require review of the environmental risk assessments at regular intervals
We recommend that environmental risk assessments must be updated when significant new information is
available. This would bring forward the regulatory use of new scientific data and may also increase
collaboration between stakeholders.
6Mandate use of all available ecotoxicity studies
We recommend that research studies of sufficient reliability and relevance are used in the environ- mental risk assessment. This would make better
use of the available knowledge and could provide decision makers with important information.
7Include environmental risks in the risk-benefit analysis
We recommend that environmental risks are included in the risk-benefit analysis when a product is considered for market authorization. This would
make the assessment of risks associated with the use of pharmaceuticals more complete and hence
more accurate.
MISTRAPHARMA POLICY BRIEF 2015
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9 Include data on emissions from production of pharmaceutical substances
We recommend that the risk associated with discharges from manufacturing sites is included in environmental risk assessments. This would enhance the relevance of the assessments by including the part of the product lifecycle responsible for the highest environmental concentrations detected.
10Increase transparency
We recommend that environmental risk assessments and information about manufacturing
sites are made publicly available. This would enable use of that information for other purposes
such as research and external evaluation, and it would encourage companies to take more
environmental responsibility throughout their supply chains.
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For more information, please read more about our ten recommendations here (open access) Marlene Ågerstrand, Cecilia Berg, Berndt Bjorlenius, Magnus Breitholtz, Bjorn Brunstrom, Jerker Fick, Lina Gunnarsson, DG Joakim Larsson, John P Sumpter, Mats Tysklind, and Christina Ruden. (2015) Improving Environmental Risk Assessment of Human Pharmaceuticals. Environmental Science & Technology. DOI 10.1021/acs.est.5b00302.
MISTRAPHARMA POLICY BRIEF 2015
The MistraPharma research programme works towards identifying human pharmaceuticals that are likely to be of concern for aquatic ecosystems. We also address the risk of antibiotic resistance promotion in the environment, and propose risk management strategies, such as improved regulatory test requirements and wastewater treatment technologies.
MistraPharma is a collaboration between seven universities in Sweden and the UK. It is funded by the Swedish Foundation for Strategic Environmental Research (Mistra) and hosted by Stockholm University. The research programme started in 2008 and will be completed in 2015.
WHAT IS MISTRAPHARMA?
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Prof. Christina Rudén
Program Director, MistraPharmaDepartment of Environmental Science and Analytical Chemistry, Stockholm University
+46 (0) 8 674 73 38, [email protected]
CONTACTS
Dr. Marlene Ågerstrand
Researcher and Project leader, MistraPharmaDepartment of Environmental Science and Analytical Chemistry, Stockholm University
+46 (0) 8 16 40 21, [email protected]