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Kumar M, Kuroda K, Barcelo D, Furumai H. Monsoon dilutes the concurrence but increases the correlation of viruses and Pharmaceuticals and Personal Care Products (PPCPs) in the urban waters of Guwahati, India: The context of pandemic viruses. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 813:152282. [PMID: 34902398 DOI: 10.1016/j.scitotenv.2021.152282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 11/18/2021] [Accepted: 12/05/2021] [Indexed: 06/14/2023]
Abstract
Concurrence of pharmaceuticals and personal care products (PPCPs), pathogenic viruses, metals and microbial pollution along with their seasonal variations in the water environment are overarching in the context of existing pandemic, especially for tropical countries. The present study focuses on the seasonal influence on the vulnerability of urban water in Guwahati, the largest city in North-eastern India, through examining the concurrence of seven PPCPs, five viruses, faecal bacteria and nine metals in surface waters during monsoon (Summer-July 2017) and pre-monsoon (Winter-March 2018). Surface water sampling was carried out at different locations of the Brahmaputra River, its tributary Bharalu River (an unlined urban drain), and Dipor Bill Lake (Ramsar-recognized wetland). Both PPCPs and viruses were at high concentrations (e.g. up to 970 ng L-1 caffeine, 2.5 × 103 copies mL-1 pepper mild mottle virus (PMMoV)) at the confluence points of urban drains and the river, while they were mostly undetectable at both upstream and downstream locations, implying strong self-purification ability of the river. All the analysed PPCPs and viruses were at much higher concentrations during pre-monsoon i.e., winter than during monsoon, implying heavy dilution and temperature effect during the monsoon. Overall, PPCPs and viruses were more correlated in monsoon but the risk quotient in the urban tributary was higher in pre-monsoon (e.g. 5061 in pre-monsoon and 1515 in monsoon for caffeine). PMMoV was found to be an excellent faecal pollution indicator due to its prevalence, detectability and specificity in all seasons. Overall, the seasonal fluctuations of the non-enveloped viruses monitored in this study is likely to be relevant for SARS-CoV-2. We contribute to address the literature scarcity pertaining to seasonal variations in the prevalence of viruses and their concurrences with contaminants of emerging concern.
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Affiliation(s)
- Manish Kumar
- Sustainability Cluster, School of Engineering, University of Petroleum & Energy Studies, Dehradun, Uttarakhand 248007, India.
| | - Keisuke Kuroda
- Department of Environmental and Civil Engineering, Toyama Prefectural University, Imizu 939-0398, Japan
| | - Damia Barcelo
- Catalan Institute for Water Research (OCRA-CERCA), Carrer Emili Grahit 101, 17003 Girona, Spain; Universitat de Girona, Girona, Spain; Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Hiroaki Furumai
- Research Center for Water Environment Technology, Graduate School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
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Douillet C, Moloney M, Di Rocco M, Elliott C, Danaher M. Development and validation of a quantitative method for 15 antiviral drugs in poultry muscle using liquid chromatography coupled to tandem mass spectrometry. J Chromatogr A 2021; 1665:462793. [PMID: 35030475 DOI: 10.1016/j.chroma.2021.462793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 12/24/2021] [Accepted: 12/28/2021] [Indexed: 11/15/2022]
Abstract
The objective of this work was to develop a quantitative multi-residue method for analysing antiviral drug residues and their metabolites in poultry meat samples. Antiviral drugs are not licensed for the treatment of influenza in food producing animals. However, there have been some reports indicating their illegal use in poultry. In this study, a method was developed for the analysis of 15 antiviral drug residues in poultry muscle (chicken, duck, quail and turkey) using liquid chromatography coupled to tandem mass spectrometry. This included 13 drugs against influenza and associated metabolites, but also two drugs employed for the treatment of herpes (acyclovir and ganciclovir). The method required the development of a novel chromatographic separation using a hydrophilic interaction chromatographic (HILIC) BEH amide column, which was necessary to retain the highly polar compounds. The analytes were detected using a triple quadrupole mass spectrometer operating in positive electrospray ionization mode. A range of different sample preparation protocols suitable for polar compounds were evaluated. The most effective procedure was based on a simple acetonitrile-based protein precipitation step followed by a further dilution in a methanol/water solution. The confirmatory method was validated according to the EU 2021/808 guidelines on different species including chicken, duck, turkey and quail. The validation was performed using various calibration curves ranging from 0.1 µg kg-1to 200 µg kg-1, according to the analyte. Depending on the analyte sensitivity, decision limits achieved ranged from 0.12 µg kg-1 for arbidol to 34.7 µg kg-1 for ribavirin. Overall, the reproducibility precision values ranged from 2.8% to 22.7% and the recoveries from 84% to 127%. The method was applied to 120 commercial poultry samples from the Irish market, which were all found to be residue-free.
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Affiliation(s)
- Clément Douillet
- Food Safety Department, Teagasc Food Research Centre, Ashtown, Dublin 15, D15 KN3K, Ireland; Institute for Global Food Security, Queen's University Belfast, Belfast, BT9 5DL, UK.
| | - Mary Moloney
- Food Safety Department, Teagasc Food Research Centre, Ashtown, Dublin 15, D15 KN3K, Ireland
| | - Melissa Di Rocco
- Food Safety Department, Teagasc Food Research Centre, Ashtown, Dublin 15, D15 KN3K, Ireland
| | - Christopher Elliott
- Institute for Global Food Security, Queen's University Belfast, Belfast, BT9 5DL, UK
| | - Martin Danaher
- Food Safety Department, Teagasc Food Research Centre, Ashtown, Dublin 15, D15 KN3K, Ireland
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Yao L, Chen ZY, Dou WY, Yao ZK, Duan XC, Chen ZF, Zhang LJ, Nong YJ, Zhao JL, Ying GG. Occurrence, removal and mass loads of antiviral drugs in seven wastewater treatment plants with various treatment processes. WATER RESEARCH 2021; 207:117803. [PMID: 34741900 DOI: 10.1016/j.watres.2021.117803] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/19/2021] [Accepted: 10/21/2021] [Indexed: 06/13/2023]
Abstract
Antiviral drugs are among the most common and important classes of pharmaceuticals to treat viral infections, however their continuous emission and persistence in the receiving environment has attracted increasing attention about their potential ecological risks. Here we investigated the occurrence, fate and mass load of 9 antiviral drugs for acquired immunodeficiency syndrome and hepatitis B, in 7 wastewater treatment plants (WWTPs) with different treatment processes in Guangdong, China. Totally, 8 target antiviral drugs were detected in the WWTPs influent wastewater, effluent wastewater and sludge, with maximal concentrations up to 7624 ng/L (telbivudine), 568 ng/L (telbivudine), and 2013 ng/g wet weight (telbivudine), respectively. The removal efficiency varied widely between different antiviral drugs, with the mean aqueous removal efficiency and total removal efficiency ranging from -6.2% (nevirapine) to 100% (lamivudine) and -1.2% (nevirapine) to 100% (lamivudine), respectively. Mass balance analysis showed that their elimination was mostly attributed to the biodegradation/biotransformation. The total back-estimated usage and emission of 9 target antiviral drugs were 77.8 t/y and 13.2 t/y in Guangdong province, China, respectively. Based on the sewage epidemiology approach, the consumption and emission of antiviral drugs in seven studied WWTPs were ranged at 2.31 mg/d/1000 people (nevirapine) to 4970 mg/d/1000 people (telbivudine), and 0 (lamivudine) to 900 mg/d/1000 people (telbivudine), respectively. Preliminary risk assessment showed that the antiviral drugs of zidovudine, ritonavir, lopinavir, and telbivudine in the receiving rivers could pose high ecological risks for aquatic environment. The findings from the present study illustrate the persistence of nevirapine in WWTPs, and provide essential evidence for further study into the development of wastewater treatment technologies.
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Affiliation(s)
- Li Yao
- Guangdong Provincial Engineering Research Center for Hazard Identification and Risk Assessment of Solid Waste, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou 510070, China
| | - Zhi-Yong Chen
- Guangdong Provincial Engineering Research Center for Hazard Identification and Risk Assessment of Solid Waste, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou 510070, China
| | - Wen-Yuan Dou
- Guangdong Provincial Engineering Research Center for Hazard Identification and Risk Assessment of Solid Waste, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou 510070, China
| | - Zhi-Kai Yao
- Guangdong Provincial Engineering Research Center for Hazard Identification and Risk Assessment of Solid Waste, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou 510070, China
| | - Xing-Chun Duan
- Guangdong Provincial Engineering Research Center for Hazard Identification and Risk Assessment of Solid Waste, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou 510070, China
| | - Zhi-Feng Chen
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Li-Juan Zhang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China
| | - Yun-Jun Nong
- Guangdong Provincial Engineering Research Center for Hazard Identification and Risk Assessment of Solid Waste, Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou 510070, China
| | - Jian-Liang Zhao
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Environmental Theoretical Chemistry, School of Environment, South China Normal University, Guangzhou 510006, China.
| | - Guang-Guo Ying
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Environmental Theoretical Chemistry, School of Environment, South China Normal University, Guangzhou 510006, China
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4
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Yao L, Dou WY, Ma YF, Liu YS. Development and validation of sensitive methods for simultaneous determination of 9 antiviral drugs in different various environmental matrices by UPLC-MS/MS. CHEMOSPHERE 2021; 282:131047. [PMID: 34091295 DOI: 10.1016/j.chemosphere.2021.131047] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 05/12/2021] [Accepted: 05/26/2021] [Indexed: 06/12/2023]
Abstract
Trace antiviral drug contamination in aquatic ecosystems is becoming a significant environmental concern that requires an urgent efficient determination method. Here we developed sensitive and robust multi-residue determination methods to simultaneously extract and analyze 9 commonly used antiviral drugs (abacavir, zidovudine, efavirenz, nevirapine, ritonavir, lopinavir, lamivudine, telbivudine and entecavir) in surface water, wastewater, sediment, and sludge. Water samples were extracted with solid-phase extraction (SPE) technique using tandem hydrophilic-lipophilic balance and graphitized carbon black cartridges, while sediment and sludge samples were extracted using QuEChERS (quick, easy, cheap, effective, rugged, and safe) method. The extraction conditions of SPE (pH and cartridge type) and QuEChERS (acetic acid content, salts reagent, and purification sorbent) methods were carefully optimized. We observed that under optimum conditions, the method quantification limits of the 9 antiviral drugs in water and solid samples ranged from 0.05 to 19.23 ng L-1 and from 0.02 to 7.38 ng g-1, respectively. For environmental samples spiking 3 different concentrations, the recovery values for the most targeted antiviral drugs ranged from 70 to 130%, except for efavirenz. All targeted antiviral drugs were detected in wastewater samples except for entecavir. We also found abacavir, efavirenz, ritonavir, lopinavir, and telbivudine in sediment and sludge samples. Notably, telbivudine was identified in all environmental matrices, with a high concentration of 127 ng L-1 and 222 ng g-1 in water and sediment samples, respectively.
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Affiliation(s)
- Li Yao
- Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou, 510070, China
| | - Wen-Yuan Dou
- Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou, 510070, China
| | - Yan-Fang Ma
- Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou), Guangzhou, 510070, China.
| | - You-Sheng Liu
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Environmental Theoretical Chemistry, School of Environment, South China Normal University, Guangzhou, 510006, China.
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Kuroda K, Li C, Dhangar K, Kumar M. Predicted occurrence, ecotoxicological risk and environmentally acquired resistance of antiviral drugs associated with COVID-19 in environmental waters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 776:145740. [PMID: 33647647 PMCID: PMC7883697 DOI: 10.1016/j.scitotenv.2021.145740] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 02/03/2021] [Accepted: 02/04/2021] [Indexed: 05/18/2023]
Abstract
Antiviral drugs have been used to treat the ever-growing number of coronavirus disease, 2019 (COVID-19) patients. Consequently, unprecedented amounts of such drug residues discharging into ambient waters raise concerns on the potential ecotoxicological effects to aquatic lives, as well as development of antiviral drug-resistance in wildlife. Here, we estimated the occurrence, fate and ecotoxicological risk of 11 therapeutic agents suggested as drugs for COVID-19 treatment and their 13 metabolites in wastewater and environmental waters, based on drug consumption, physical-chemical property, and ecotoxicological and pharmacological data for the drugs, with the aid of quantitative structure-activity relationship (QSAR) modelling. Our results suggest that the removal efficiencies at conventional wastewater treatment plants will remain low (<20%) for half of the substances, and consequently, high drug residues (e.g. 7402 ng/L ribavirin, 4231 ng/L favipiravir, 730 ng/L lopinavir, 319 ng/L remdesivir; each combined for both unchanged forms and metabolites; and when each drug is administered to 100 patients out of 100,000 populations on a day) can be present in secondary effluents and persist in the environmental waters. Ecotoxicological risk in receiving river waters can be high (risk quotient >1) by a use of favipiravir, lopinavir, umifenovir and ritonavir, and medium (risk quotient >0.1) by a use of chloroquine, hydroxychloroquine, remdesivir, and ribavirin, while the risk will remain low (risk quotient <0.1) for dexamethasone and oseltamivir. The potential of wild animals acquiring antiviral drug resistance was estimated to be low. Our prediction suggests a pressing need for proper usage and waste management of antiviral drugs as well as for improving removal efficiencies of drug residues in wastewater.
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Affiliation(s)
- Keisuke Kuroda
- Department of Environmental and Civil Engineering, Toyama Prefectural University, Toyama 939 0398, Japan.
| | - Cong Li
- Department of Environmental and Civil Engineering, Toyama Prefectural University, Toyama 939 0398, Japan
| | - Kiran Dhangar
- Discipline of Earth Science, Indian Institute of Technology Gandhinagar, Gujarat 382 355, India
| | - Manish Kumar
- Discipline of Earth Science, Indian Institute of Technology Gandhinagar, Gujarat 382 355, India
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6
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Kumar M, Mazumder P, Mohapatra S, Kumar Thakur A, Dhangar K, Taki K, Mukherjee S, Kumar Patel A, Bhattacharya P, Mohapatra P, Rinklebe J, Kitajima M, Hai FI, Khursheed A, Furumai H, Sonne C, Kuroda K. A chronicle of SARS-CoV-2: Seasonality, environmental fate, transport, inactivation, and antiviral drug resistance. JOURNAL OF HAZARDOUS MATERIALS 2021; 405:124043. [PMID: 33268203 PMCID: PMC7536132 DOI: 10.1016/j.jhazmat.2020.124043] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 09/11/2020] [Accepted: 09/17/2020] [Indexed: 05/08/2023]
Abstract
In this review, we present the environmental perspectives of the viruses and antiviral drugs related to SARS-CoV-2. The present review paper discusses occurrence, fate, transport, susceptibility, and inactivation mechanisms of viruses in the environment as well as environmental occurrence and fate of antiviral drugs, and prospects (prevalence and occurrence) of antiviral drug resistance (both antiviral drug resistant viruses and antiviral resistance in the human). During winter, the number of viral disease cases and environmental occurrence of antiviral drug surge due to various biotic and abiotic factors such as transmission pathways, human behaviour, susceptibility, and immunity as well as cold climatic conditions. Adsorption and persistence critically determine the fate and transport of viruses in the environment. Inactivation and disinfection of virus include UV, alcohol, and other chemical-base methods but the susceptibility of virus against these methods varies. Wastewater treatment plants (WWTPs) are major reserviors of antiviral drugs and their metabolites and transformation products. Ecotoxicity of antiviral drug residues against aquatic organisms have been reported, however more threatening is the development of antiviral resistance, both in humans and in wild animal reservoirs. In particular, emergence of antiviral drug-resistant viruses via exposure of wild animals to high loads of antiviral residues during the current pandemic needs further evaluation.
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Affiliation(s)
- Manish Kumar
- Discipline of Earth Science, Indian Institute of Technology Gandhinagar, Gujarat 382 355, India.
| | - Payal Mazumder
- Centre for the Environment, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Sanjeeb Mohapatra
- Environmnetal Science and Engineering Department, Indian Institute of Technology Bombay, Mumbai 400076, India
| | - Alok Kumar Thakur
- Discipline of Earth Science, Indian Institute of Technology Gandhinagar, Gujarat 382 355, India
| | - Kiran Dhangar
- Discipline of Earth Science, Indian Institute of Technology Gandhinagar, Gujarat 382 355, India
| | - Kaling Taki
- Discipline of Civil Engineering, Indian Institute of Technology Gandhinagar, Gujarat 382 355, India
| | - Santanu Mukherjee
- Discipline of Earth Science, Indian Institute of Technology Gandhinagar, Gujarat 382 355, India
| | - Arbind Kumar Patel
- Discipline of Earth Science, Indian Institute of Technology Gandhinagar, Gujarat 382 355, India
| | - Prosun Bhattacharya
- Department of Sustainable Development, Environmental Science and Engineering, KTH Royal Institute of Technology, Teknikringen 10B, SE-10044 Stockholm, Sweden
| | - Pranab Mohapatra
- Discipline of Civil Engineering, Indian Institute of Technology Gandhinagar, Gujarat 382 355, India
| | - Jörg Rinklebe
- Laboratory of Soil- and Groundwater-Management, School of Architecture and Civil Engineering, University of Wuppertal, Wuppertal 42285, Germany; Department of Environment, Energy and Geoinformatics, University of Sejong, Seoul, South Korea
| | - Masaaki Kitajima
- Division of Environmental Engineering, Hokkaido University, Hokkaido 060-8628, Japan
| | - Faisal I Hai
- Wollongong, Strategic Water Infrastructure Laboratory, School of Civil, Mining and Environmental Engineering, University of Wollongong, NSW 2522, Australia
| | - Anwar Khursheed
- Department of Civil Engineering, King Saud University, Riyadh, Saudi Arabia
| | - Hiroaki Furumai
- Research Centre for Water Environment Technology, Graduate School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Christian Sonne
- Department of Bioscience, Aarhus University, Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark
| | - Keisuke Kuroda
- Department of Environmental and Civil Engineering, Toyama Prefectural University, Toyama 9390398, Japan
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Chen WY, Wu YT, Lin HC, Ieong MI, Lee BH. Impact of long-term parental exposure to Tamiflu metabolites on the development medaka offspring (Oryzias latipes). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 261:114146. [PMID: 32062464 DOI: 10.1016/j.envpol.2020.114146] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 12/25/2019] [Accepted: 02/06/2020] [Indexed: 05/07/2023]
Abstract
Despite the widespread use of the antiviral drug, Tamiflu®, little is known about the long-term toxic effects of drug or its metabolites in an aquatic ecosystem. This study integrated epidemiological and ecotoxicological methods to determine environmentally relevant concentrations of Tamiflu. A model based on the species medaka (Oryzias latipes) was then used to determine the health status and reproductivity of adults exposed to the drug as well as the embryonic development of offspring. The proposed ecotoxicological model was also used to quantitatively and qualitatively evaluate the toxicodynamic parameters related to egg production, hatchability, and development. Our results revealed that at an environmentally relevant exposure, Tamiflu and its metabolites had no adverse effects on growth, survival, or fecundity of adult medaka. Nonetheless, we observed a reduction in hatchability under exposure to 300 μg L-1 and a reduction in body length under exposure exceeding 90 μg L-1. Under exposure to 300 μg L-1, the estimated spawning time to reach 50% of the maximum percentage of cumulative egg production (ET50) far exceeded that of the control group (without exposure to Tamiflu). We also observed a ∼ 3-fold decrease in maximum egg hatching (Emax). Based on an integrated epidemiological and ecotoxicological model, predictions of environmental concentrations of Tamiflu and its metabolites revealed that the influenza subtypes associated with increases in environmental concentrations: A(H3N2) > A(H1N1) > type B (in order of their effects). We also determined that A(H3N2) posed a potential risk to hatchability and development. Note however, the environmental concentrations of Tamiflu and its metabolites in most countries are lower than the effect concentrations derived in this study, indicating no hazards for aquatic environments. We recommend the use of hatchability and embryonic development as indicators in assessing the effects of long-term parental exposure to Tamiflu metabolites.
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Affiliation(s)
- Wei-Yu Chen
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan; Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Yen-Ting Wu
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hsing-Chieh Lin
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Meng-Ian Ieong
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Bing-Heng Lee
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
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Sims N, Kasprzyk-Hordern B. Future perspectives of wastewater-based epidemiology: Monitoring infectious disease spread and resistance to the community level. ENVIRONMENT INTERNATIONAL 2020; 139:105689. [PMID: 32283358 PMCID: PMC7128895 DOI: 10.1016/j.envint.2020.105689] [Citation(s) in RCA: 324] [Impact Index Per Article: 81.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/05/2020] [Accepted: 03/24/2020] [Indexed: 05/17/2023]
Abstract
Infectious diseases are acknowledged as one of the most critical threats to global public health today. Climate change, unprecedented population growth with accelerated rates of antimicrobial resistance, have resulted in both the emergence of novel pathogenic organisms and the re-emergence of infections that were once controlled. The consequences have led to an increased vulnerability to infectious diseases globally. The ability to rapidly monitor the spread of diseases is key for prevention, intervention and control, however several limitations exist for current surveillance systems and the capacity to cope with the rapid population growth and environmental changes. Wastewater-Based Epidemiology (WBE) is a new epidemiology tool that has potential to act as a complementary approach for current infectious disease surveillance systems and an early warning system for disease outbreaks. WBE postulates that through the analysis of population pooled wastewater, infectious disease and resistance spread, the emergence of new disease outbreak to the community level can be monitored comprehensively and in real-time. This manuscript provides critical overview of current infectious disease surveillance status, as well as it introduces WBE and its recent advancements. It also provides recommendations for further development required for WBE application as an effective tool for infectious disease surveillance.
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Affiliation(s)
- Natalie Sims
- Department of Chemistry, University of Bath, Bath BA2 7AY, UK; Centre for Doctoral Training in Sustainable Chemical Technologies, University of Bath, Bath BA2 7AY, UK
| | - Barbara Kasprzyk-Hordern
- Department of Chemistry, University of Bath, Bath BA2 7AY, UK; Centre for Doctoral Training in Sustainable Chemical Technologies, University of Bath, Bath BA2 7AY, UK.
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Nannou C, Ofrydopoulou A, Evgenidou E, Heath D, Heath E, Lambropoulou D. Antiviral drugs in aquatic environment and wastewater treatment plants: A review on occurrence, fate, removal and ecotoxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 699:134322. [PMID: 31678880 DOI: 10.1016/j.scitotenv.2019.134322] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 09/04/2019] [Accepted: 09/05/2019] [Indexed: 05/23/2023]
Abstract
The environmental release of antiviral drugs is of considerable concern due to potential ecosystem alterations and the development of antiviral resistance. As a result, interest on their occurrence and fate in natural and engineered systems has grown substantially in recent years. The main scope of this review is to fill the void of information on the knowledge on the worldwide occurrence of antiviral drugs in wastewaters and natural waters and correlate their levels with their environmental fate. According to the conducted literature survey, few monitoring data exists for several European countries, such as Germany, France, and the UK. Lesser data are available for Asia, where approximately 80% of the studies focus on Japan. Several articles study the occurrence of mostly antiretroantivirals in sub-Saharan African countries, while there is a lack of data for other developing regions of the world, including the rest of Africa, South America, and the biggest part of Asia. An importantly smaller number of studies exists for North America, while no studies exist for Oceania. The against innfluenza drug oseltamivir along with its active carboxy metabolite is found to be the most studied antiviral drug. The distribution of antiviral drugs across all geographic regions varies from low ng L-1 to high μg L-1 levels, in some cases, even in surface waters. This overarching review reveals that monitoring of antiviral drugs is necessary, and some of those compounds may require toxicological attention, in the light of either spatial and temporal high concentration or potential antiviral resistance. Based on the information provided herein, the need for a better understanding of the water quality hazards posed by antiviral drugs existence in wastewater outputs and freshwater ecosystems is demosntrated. Finally, the future challenges concerning the occurrence, fate, and potential ecotoxicological risk to organisms posed by antiviral drug residues are discussed.
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Affiliation(s)
- Christina Nannou
- Department of Chemistry, Aristotle University of Thessaloniki. GR 54124, Thessaloniki, Greece
| | - Anna Ofrydopoulou
- Department of Chemistry, Aristotle University of Thessaloniki. GR 54124, Thessaloniki, Greece
| | - Eleni Evgenidou
- Department of Chemistry, Aristotle University of Thessaloniki. GR 54124, Thessaloniki, Greece
| | - David Heath
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia
| | - Ester Heath
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia; Jožef Stefan International Postgraduate School, Jamova cesta 39, 1000 Ljubljana, Slovenia
| | - Dimitra Lambropoulou
- Department of Chemistry, Aristotle University of Thessaloniki. GR 54124, Thessaloniki, Greece.
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10
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Singer AC, Xu Q, Keller VDJ. Translating antibiotic prescribing into antibiotic resistance in the environment: A hazard characterisation case study. PLoS One 2019; 14:e0221568. [PMID: 31483803 PMCID: PMC6726141 DOI: 10.1371/journal.pone.0221568] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 08/11/2019] [Indexed: 01/06/2023] Open
Abstract
The environment receives antibiotics through a combination of direct application (e.g., aquaculture and fruit production), as well as indirect release through pharmaceutical manufacturing, sewage and animal manure. Antibiotic concentrations in many sewage-impacted rivers are thought to be sufficient to select for antibiotic resistance genes. Yet, because antibiotics are nearly always found associated with antibiotic-resistant faecal bacteria in wastewater, it is difficult to distinguish the selective role of effluent antibiotics within a 'sea' of gut-derived resistance genes. Here we examine the potential for macrolide and fluoroquinolone prescribing in England to select for resistance in the River Thames catchment, England. We show that 64% and 74% of the length of the modelled catchment is chronically exposed to putative resistance-selecting concentrations (PNEC) of macrolides and fluoroquinolones, respectively. Under current macrolide usage, 115 km of the modelled River Thames catchment (8% of total length) exceeds the PNEC by 5-fold. Similarly, under current fluoroquinolone usage, 223 km of the modelled River Thames catchment (16% of total length) exceeds the PNEC by 5-fold. Our results reveal that if reduced prescribing was the sole mitigating measure, that macrolide and fluoroquinolone prescribing would need to decline by 77% and 85%, respectively, to limit resistance selection in the catchment. Significant reductions in antibiotic prescribing are feasible, but innovation in sewage-treatment will be necessary for achieving substantially-reduced antibiotic loads and inactivation of DNA-pollution from resistant bacteria. Greater confidence is needed in current risk-based targets for antibiotics, particularly in mixtures, to better inform environmental risk assessments and mitigation.
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Affiliation(s)
- Andrew C. Singer
- NERC Centre for Ecology & Hydrology, Benson Lane, Wallingford, United Kingdom
| | - Qiuying Xu
- NERC Centre for Ecology & Hydrology, Benson Lane, Wallingford, United Kingdom
- Environmental Diagnosis and Management, Royal Holloway University of London, Egham, United Kingdom
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11
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Dallarés S, Montemurro N, Pérez S, Rodríguez-Sanchez N, Solé M. Preliminary results on the uptake and biochemical response to water-exposure of Tamiflu® (oseltamivir phosphate) in two marine bivalves. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2019; 82:75-85. [PMID: 30669952 DOI: 10.1080/15287394.2018.1562393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Tamiflu® (oseltamivir phosphate, OST) is an antiviral drug used for the pandemic treatment of avian influenza but few data are available regarding its toxicity. It should be noted that acute adverse responses are not likely to occur due to low environmental presence of this drug. Nonetheless, water concentration levels of this compound may reach the µg/L range under influenza episodes. Bivalves are reliable sentinels of chemical exposure due to their low metabolism; however, biotransformation of drugs does occur in these aquatic invertebrates. Two species of bivalves, namely mussels Mytilus galloprovincialis and clams Ruditapes philippinarum, were exposed for 48 h to 100 µg/L OST. Hemolymph from control and treated bivalves was withdrawn and the presence of OST and its metabolite oseltamivir carboxylate (OST-C) determined by LC-MS/MS. Gills and digestive gland were excised from control and exposed bivalves and carboxylesterase (CE) activities measured using different substrates. In addition, antioxidant defences and lipid peroxidation levels were determined. Higher metabolism of OST seemed to occur in mussels, since both OST and OST-C were found in hemolymph, whereas in clams only the parent compound was detected. In contrast, biomarker responses were more evident in exposed clams which indicate that this species may be considered as more sensitive to OST exposure. CE-related activities successfully reflected OST exposure, with substrates 1-naphthyl acetate (1NA) and 1-naphthyl butyrate (1NB) displaying the highest sensitivity in the two bivalve species. Data thus indicate the usefulness of CE-related activities as biomarkers for OST exposure in bivalves.
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Affiliation(s)
- Sara Dallarés
- a Institute of Marine Sciences (ICM-CSIC) , Barcelona , Spain
| | - Nicola Montemurro
- b Institute for Environmental Assessment and Water Research (IDAEA-CSIC) , Barcelona , Spain
| | - Sandra Pérez
- b Institute for Environmental Assessment and Water Research (IDAEA-CSIC) , Barcelona , Spain
| | | | - Montserrat Solé
- a Institute of Marine Sciences (ICM-CSIC) , Barcelona , Spain
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12
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Huang MF, Lin YR, Chang YT, Shiue YL, Liang SS. Reductive amination assistance for quantification of oseltamivir phosphate and oseltamivir carboxylate by HPLC-MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1087-1088:23-28. [PMID: 29702353 DOI: 10.1016/j.jchromb.2018.03.040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 03/13/2018] [Accepted: 03/24/2018] [Indexed: 12/15/2022]
Abstract
Oseltamivir phosphate (OP) is the first line therapy for influenza, and its primary metabolite oseltamivir carboxylate (OC) is the active agent via inhibition of neuraminidase of influenza virus. Dosages of OP and OC might affect human causing nausea and vomiting and it is therefore necessary to evaluate their toxicity and safety. The separation system: liquid chromatography-tandem mass spectrometry (LC-MS/MS) is a powerful technique to monitor OP and OC. However, quantification of OP and OC needs isotopic analogs as internal standards to monitor the stability of the sample pretreatment procedures and instruments. In this study, we demonstrated a modified method (i.e., reductive amination) to synthesize OP and OC deuterated and hydrogenated analogs as internal standards (ISs) and for illustration of calibration curves, respectively. This modification allowed to overcome ISs selection and to enhance the signal intensities via high yield reductive amination in MS detection. We utilized the multiple reaction monitoring (MRM) mode to target m/z values of precursor and product ions. N-dimethylated OP and N-dimethylated OC showed linearity ranging from 1 to 1000 ng/mL with coefficient of determination (R2) values of 0.9995 and 0.9999, respectively. Additionally, the relative standard deviations (RSD) of intra-day ranged from 0.3% to 5.2%, and the RSD of inter-day ranged from 2.0% to 18.8%, respectively. This quantitative method utilized spiked OP and OC at low (20 ng/mL), intermediate (100 ng/mL), and high (500 ng/mL) concentrations in human serum samples. The average recoveries for OP and OC were 84.6%-107.7% and 94.9%-98.5%, respectively.
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Affiliation(s)
- Mei-Fang Huang
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yi-Reng Lin
- Department of Biotechnology, School of Environment and Life Sciences, Fooyin University, Kaohsiung, Taiwan
| | - Yu-Tzu Chang
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yow-Ling Shiue
- Institute of Biomedical Science, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Shih-Shin Liang
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung, Taiwan; Institute of Biomedical Science, National Sun Yat-Sen University, Kaohsiung, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
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Antimicrobial Use and Ecotoxicological Risks from Pandemics and Epidemics. HEALTH CARE AND ENVIRONMENTAL CONTAMINATION 2018. [PMCID: PMC7152110 DOI: 10.1016/b978-0-444-63857-1.00009-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Pandemics and epidemics represent an uncharacterized risk to human health—ranging from episodic to chronic pathogens and from chronic diseases. Society's capacity to respond to these threats with an even increasing range of pharmaceuticals presents a novel challenge to environmental scientists and public health officials. The environmental and human health risks posed by society's medical response to pandemics and epidemics will be discussed in the context of influenza as a case study and a range of existing pathogen and noncommunicable pathogen risks.
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Russo D, Siciliano A, Guida M, Galdiero E, Amoresano A, Andreozzi R, Reis NM, Li Puma G, Marotta R. Photodegradation and ecotoxicology of acyclovir in water under UV 254 and UV 254/H 2O 2 processes. WATER RESEARCH 2017; 122:591-602. [PMID: 28628881 DOI: 10.1016/j.watres.2017.06.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 06/05/2017] [Accepted: 06/07/2017] [Indexed: 05/25/2023]
Abstract
The photochemical and ecotoxicological fate of acyclovir (ACY) through UV254 direct photolysis and in the presence of hydroxyl radicals (UV254/H2O2 process) were investigated in a microcapillary film (MCF) array photoreactor, which provided ultrarapid and accurate photochemical reaction kinetics. The UVC phototransformation of ACY was found to be unaffected by pH in the range from 4.5 to 8.0 and resembled an apparent autocatalytic reaction. The proposed mechanism included the formation of a photochemical intermediate (ϕACY = (1.62 ± 0.07)·10-3 mol ein-1) that further reacted with ACY to form by-products (k' = (5.64 ± 0.03)·10-3 M-1 s-1). The photolysis of ACY in the presence of hydrogen peroxide accelerated the removal of ACY as a result of formation of hydroxyl radicals. The kinetic constant for the reaction of OH radicals with ACY (kOH/ACY) determined with the kinetic modeling method was (1.23 ± 0.07)·109 M-1 s-1 and with the competition kinetics method was (2.30 ± 0.11)·109 M-1 s-1 with competition kinetics. The acute and chronic effects of the treated aqueous mixtures on different living organisms (Vibrio fischeri, Raphidocelis subcapitata, D. magna) revealed significantly lower toxicity for the samples treated with UV254/H2O2 in comparison to those collected during UV254 treatment. This result suggests that the addition of moderate quantity of hydrogen peroxide (30-150 mg L-1) might be a useful strategy to reduce the ecotoxicity of UV254 based sanitary engineered systems for water reclamation.
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Affiliation(s)
- Danilo Russo
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli Federico II, p.le V. Tecchio 80, Napoli, Italy
| | - Antonietta Siciliano
- Dipartimento di Biologia, Università di Napoli Federico II, Complesso Universitario Monte Sant'Angelo, via Cinthia 4, Napoli, Italy
| | - Marco Guida
- Dipartimento di Biologia, Università di Napoli Federico II, Complesso Universitario Monte Sant'Angelo, via Cinthia 4, Napoli, Italy
| | - Emilia Galdiero
- Dipartimento di Biologia, Università di Napoli Federico II, Complesso Universitario Monte Sant'Angelo, via Cinthia 4, Napoli, Italy
| | - Angela Amoresano
- Dipartimento di Scienze Chimiche, Università di Napoli Federico II, Complesso Universitario Monte Sant'Angelo, via Cinthia 4, Napoli, Italy
| | - Roberto Andreozzi
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli Federico II, p.le V. Tecchio 80, Napoli, Italy
| | - Nuno M Reis
- Department of Chemical Engineering, University of Bath, Claverton Down, Bath, BA2 7AY, UK; Environmental Nanocatalysis & Photoreaction Engineering Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, UK
| | - Gianluca Li Puma
- Environmental Nanocatalysis & Photoreaction Engineering Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, UK.
| | - Raffaele Marotta
- Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università di Napoli Federico II, p.le V. Tecchio 80, Napoli, Italy.
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15
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Tapia-Orozco N, Santiago-Toledo G, Barrón V, Espinosa-García AM, García-García JA, García-Arrazola R. Environmental epigenomics: Current approaches to assess epigenetic effects of endocrine disrupting compounds (EDC's) on human health. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 51:94-99. [PMID: 28215500 DOI: 10.1016/j.etap.2017.02.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 02/02/2017] [Accepted: 02/03/2017] [Indexed: 06/06/2023]
Abstract
Environmental Epigenomics is a developing field to study the epigenetic effect on human health from exposure to environmental factors. Endocrine disrupting chemicals have been detected primarily in pharmaceutical drugs, personal care products, food additives, and food containers. Exposure to endocrine-disrupting chemicals (EDCs) has been associated with a high incidence and prevalence of many endocrine-related disorders in humans. Nevertheless, further evidence is needed to establish a correlation between exposure to EDC and human disorders. Conventional detection of EDCs is based on chemical structure and concentration sample analysis. However, substantial evidence has emerged, suggesting that cell exposure to EDCs leads to epigenetic changes, independently of its chemical structure with non-monotonic low-dose responses. Consequently, a paradigm shift in toxicology assessment of EDCs is proposed based on a comprehensive review of analytical techniques used to evaluate the epigenetic effects. Fundamental insights reported elsewhere are compared in order to establish DNA methylation analysis as a viable method for assessing endocrine disruptors beyond the conventional study approach of chemical structure and concentration analysis.
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Affiliation(s)
- Natalia Tapia-Orozco
- Departamento de Alimentos y Biotecnología, Facultad de Química, Universidad Nacional Autónoma de México, Circuito Escolar s/n Ciudad Universitaria, Distrito Federal, Mexico.
| | - Gerardo Santiago-Toledo
- Department of Biochemical Engineering, University College London, Torrington Place, London WC1E 7JE, UK; Abraxas Biolabs SAPI de CV, Donato Guerra 9, Álvaro Obregón, Distrito Federal, Mexico.
| | - Valeria Barrón
- Unidad de Medicina Genómica, Hospital General de México, Dr Balmis 148, Distrito Federal, Mexico.
| | | | | | - Roeb García-Arrazola
- Departamento de Alimentos y Biotecnología, Facultad de Química, Universidad Nacional Autónoma de México, Circuito Escolar s/n Ciudad Universitaria, Distrito Federal, Mexico.
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16
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Wu H, Wang J, Yang H, Li G, Zeng Y, Xia W, Li Z, Qian M. Development and application of an in-cell cleanup pressurized liquid extraction with ultra-high-performance liquid chromatography-tandem mass spectrometry to detect prohibited antiviral agents sensitively in livestock and poultry feces. J Chromatogr A 2017; 1488:10-16. [DOI: 10.1016/j.chroma.2017.01.070] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 12/24/2016] [Accepted: 01/26/2017] [Indexed: 12/12/2022]
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17
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Gillman A. Risk of resistant avian influenza A virus in wild waterfowl as a result of environmental release of oseltamivir. Infect Ecol Epidemiol 2016; 6:32870. [PMID: 27733236 PMCID: PMC5061866 DOI: 10.3402/iee.v6.32870] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 09/12/2016] [Accepted: 09/13/2016] [Indexed: 12/15/2022] Open
Abstract
Oseltamivir is the best available anti-influenza drug and has therefore been stockpiled worldwide in large quantities as part of influenza pandemic preparedness planning. The active metabolite oseltamivir carboxylate (OC) is stable and is not removed by conventional sewage treatment. Active OC has been detected in river water at concentrations up to 0.86 µg/L. Although the natural reservoir hosts of influenza A virus (IAV) are wild waterfowl that reside in aquatic environments, the ecologic risks associated with environmental OC release and its potential to generate resistant viral variants among wild birds has largely been unknown. However, in recent years a number of in vivo mallard (Anas platyrhynchos) studies have been conducted regarding the potential of avian IAVs to become resistant to OC in natural reservoir birds if these are drug exposed. Development of resistance to OC was observed both in Group 1 (N1) and Group 2 (N2, N9) neuraminidase subtypes, when infected ducks were exposed to OC at concentrations between 0.95 and 12 µg/L in their water. All resistant variants maintained replication and transmission between ducks during drug exposure. In an A(H1N1)/H274Y virus, the OC resistance mutation persisted without selective drug pressure, demonstrating the potential of an IAV with a permissive genetic background to acquire and maintain OC resistance, potentially allowing circulation of the resistant variant among wild birds. The experimental studies have improved the appreciation of the risks associated with the environmental release of OC related to resistance development of avian IAVs among wild birds. Combined with knowledge of efficient methods for improved sewage treatment, the observations warrant implementation of novel efficient wastewater treatment methods, rational use of anti-influenza drugs, and improved surveillance of IAV resistance in wild birds.
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Affiliation(s)
- Anna Gillman
- Section for Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden.,Zoonosis Science Centre, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden;
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Prasse C, Stalter D, Schulte-Oehlmann U, Oehlmann J, Ternes TA. Spoilt for choice: A critical review on the chemical and biological assessment of current wastewater treatment technologies. WATER RESEARCH 2015; 87:237-70. [PMID: 26431616 DOI: 10.1016/j.watres.2015.09.023] [Citation(s) in RCA: 164] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 09/02/2015] [Accepted: 09/11/2015] [Indexed: 05/28/2023]
Abstract
The knowledge we have gained in recent years on the presence and effects of compounds discharged by wastewater treatment plants (WWTPs) brings us to a point where we must question the appropriateness of current water quality evaluation methodologies. An increasing number of anthropogenic chemicals is detected in treated wastewater and there is increasing evidence of adverse environmental effects related to WWTP discharges. It has thus become clear that new strategies are needed to assess overall quality of conventional and advanced treated wastewaters. There is an urgent need for multidisciplinary approaches combining expertise from engineering, analytical and environmental chemistry, (eco)toxicology, and microbiology. This review summarizes the current approaches used to assess treated wastewater quality from the chemical and ecotoxicological perspective. Discussed chemical approaches include target, non-target and suspect analysis, sum parameters, identification and monitoring of transformation products, computational modeling as well as effect directed analysis and toxicity identification evaluation. The discussed ecotoxicological methodologies encompass in vitro testing (cytotoxicity, genotoxicity, mutagenicity, endocrine disruption, adaptive stress response activation, toxicogenomics) and in vivo tests (single and multi species, biomonitoring). We critically discuss the benefits and limitations of the different methodologies reviewed. Additionally, we provide an overview of the current state of research regarding the chemical and ecotoxicological evaluation of conventional as well as the most widely used advanced wastewater treatment technologies, i.e., ozonation, advanced oxidation processes, chlorination, activated carbon, and membrane filtration. In particular, possible directions for future research activities in this area are provided.
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Affiliation(s)
- Carsten Prasse
- Federal Institute of Hydrology (BfG), Department of Aquatic Chemistry, Koblenz, Germany; Department of Civil & Environmental Engineering, University of California at Berkeley, Berkeley, United States.
| | - Daniel Stalter
- National Research Centre for Environmental Toxicology, The University of Queensland, Queensland, Australia; Eawag, Swiss Federal Institute of Aquatic Science and Technology, Duebendorf, Switzerland
| | | | - Jörg Oehlmann
- Goethe University Frankfurt, Department Aquatic Ecotoxicology, Frankfurt, Germany
| | - Thomas A Ternes
- Federal Institute of Hydrology (BfG), Department of Aquatic Chemistry, Koblenz, Germany
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Wang WL, Wu QY, Wang ZM, Niu LX, Wang C, Sun MC, Hu HY. Adsorption removal of antiviral drug oseltamivir and its metabolite oseltamivir carboxylate by carbon nanotubes: Effects of carbon nanotube properties and media. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2015; 162:326-33. [PMID: 26265601 DOI: 10.1016/j.jenvman.2015.07.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Revised: 07/15/2015] [Accepted: 07/18/2015] [Indexed: 05/07/2023]
Abstract
This investigation evaluated the adsorption behavior of the antiviral drugs of oseltamivir (OE) and its metabolites (i.e., oseltamivir carboxylate (OC)) on three types of carbon nanotubes (CNTs) including single-walled CNT (SWCNT), multi-walled CNT (MWCNT), and carboxylated SWCNT (SWCNT-COOH). CNTs can efficiently remove more than 90% of the OE and OC from aqueous solution when the initial concentration was lower than 10(-4) mmol/L. The Polanyi-Manes model depicted the adsorption isotherms of OE and OC on CNTs better than the Langmuir and Freundlich models. The properties of OE/OC and the characteristics of CNTs, particularly the oxygen functional groups (e.g., SWCNT-COOH) played important roles during the adsorption processes. OE showed a higher adsorption affinity than OC. By comparing the different adsorbates adsorption on each CNT and each adsorbate adsorption on different CNTs, the adsorption mechanisms of hydrophobic interaction, electrostatic interaction, van der Waals force, and H-bonding were proposed as the contributing factors for OE and OC adsorption on CNTs. Particularly, for verifying the contribution of electrostatic interaction, the changes of adsorption partition efficiency (Kd) of OE and OC on CNTs were evaluated by varying pH from 2 to 11 and the importance of isoelectric point (pHIEP) of CNTs on OE and OC adsorption was addressed.
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Affiliation(s)
- Wen-Long Wang
- Environmental Simulation and Pollution Control State Key Joint Laboratory, State Environmental Protection Key Laboratory of Microorganism Application and Risk Control (SMARC), School of Environment, Tsinghua University, Beijing 100084, PR China; Shenzhen Laboratory of Microorganism Application and Risk Control, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, PR China
| | - Qian-Yuan Wu
- Shenzhen Laboratory of Microorganism Application and Risk Control, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, PR China.
| | - Zheng-Ming Wang
- Environmental Management Technology Research Institute, National Institute of Advanced Industrial Science and Technology, Onogawa 16-1, Tsukuba 305-8569, Japan.
| | - Li-Xia Niu
- Environmental Simulation and Pollution Control State Key Joint Laboratory, State Environmental Protection Key Laboratory of Microorganism Application and Risk Control (SMARC), School of Environment, Tsinghua University, Beijing 100084, PR China; Shenzhen Laboratory of Microorganism Application and Risk Control, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, PR China
| | - Chao Wang
- Faculty of Science and Technology, Technological and Higher Education Institute of Hong Kong, Hong Kong, PR China
| | - Ming-Chao Sun
- Environmental Management Technology Research Institute, National Institute of Advanced Industrial Science and Technology, Onogawa 16-1, Tsukuba 305-8569, Japan; College of Architecture and Environment, Sichuan University, Chengdu 610065, Sichuan, PR China
| | - Hong-Ying Hu
- Environmental Simulation and Pollution Control State Key Joint Laboratory, State Environmental Protection Key Laboratory of Microorganism Application and Risk Control (SMARC), School of Environment, Tsinghua University, Beijing 100084, PR China; Shenzhen Laboratory of Microorganism Application and Risk Control, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, PR China
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Azuma T, Nakada N, Yamashita N, Tanaka H. Prediction, risk and control of anti-influenza drugs in the Yodo River Basin, Japan during seasonal and pandemic influenza using the transmission model for infectious disease. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 521-522:68-74. [PMID: 25828414 DOI: 10.1016/j.scitotenv.2015.03.069] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Revised: 03/14/2015] [Accepted: 03/17/2015] [Indexed: 05/15/2023]
Abstract
To reduce the risk of producing an anti-influenza drug-resistant virus from wildfowl, it is important to estimate the concentrations of anti-influenza drugs in river water during an influenza pandemic and to evaluate the concentrations that keep river basins safe. We first created a newly designed infectious disease transmission model based on the Susceptible-Infected-Recovered model. This model was then applied to replicate the transitional changes of three representative anti-influenza drugs, oseltamivir (OS), oseltamivir carboxylate (OC), and zanamivir (ZAN), in the urban area of the Yodo River system, which is one of the major basins in Japan with a population of 12 million; this region contains nearly 10% of the country's flu cases during the seasonal influenza outbreaks between 1999 and 2010. The results showed high correlations between the estimated number of influenza cases and the concentrations of the three investigated anti-influenza drugs with the reported values. We then extended the application of the model to estimate the concentration level of these anti-influenza drugs during the several influenza pandemics. The maximum estimated concentrations for OS, OC, and ZAN were known to be 260-450ng/L, 1500-2600ng/L and 40-70ng/L, respectively, at the peak of the influenza pandemic. These results suggest that it is possible that a drug-resistant influenza virus can originate from wild mallard when there is a large-scale influenza pandemic. However, ozonation before discharge at sewage treatment plants is known to significantly reduce the release of such drugs into the aquatic environment to reduce the risk of a drug-resistant virus outbreak. It was also suggested that further environmental risk could be reduced by decreasing these concentrations further in river water.
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Affiliation(s)
- Takashi Azuma
- Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, 1-2 Yumihama, Otsu, Shiga 520-0811, Japan.
| | - Norihide Nakada
- Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, 1-2 Yumihama, Otsu, Shiga 520-0811, Japan
| | - Naoyuki Yamashita
- Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, 1-2 Yumihama, Otsu, Shiga 520-0811, Japan
| | - Hiroaki Tanaka
- Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, 1-2 Yumihama, Otsu, Shiga 520-0811, Japan
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21
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Wang WL, Wu QY, Wang ZM, Hu HY, Negishi N, Torimura M. Photocatalytic degradation of the antiviral drug Tamiflu by UV-A/TiO2: Kinetics and mechanisms. CHEMOSPHERE 2015; 131:41-47. [PMID: 25765262 DOI: 10.1016/j.chemosphere.2015.02.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 02/02/2015] [Accepted: 02/12/2015] [Indexed: 06/04/2023]
Abstract
The photocatalytic degradation of the antiviral drug Tamiflu (oseltamivir phosphate, OP) by TiO2 - P25, ST-01 and ATO was investigated in aqueous solution under ultraviolet (UV-A) irradiation. The photocatalysis of OP is well described by pseudo-first-order kinetics with r2>98.0% for all cases. The kinetic constant of P25 with 80% anatase and 20% rutile (0.040 min(-1)) is 4 and 10 times higher than that of ATO and ST-01 with 100% purity of anatase, respectively. We examined the effects of the catalyst loading and initial OP concentration on the photodegradation of OP, and used potassium iodine, isopropanol, and calcium fluorine as radical quenchers to evaluate the contributions of the hydroxyl radical (OH) and photo hole (h+) in the photodegradation. Results confirmed that 80% of the contribution came from the OH species. Although more than 95% of the OP (21 μM) was removed after 80 min of UV-A irradiation with 20 and 100 mg L(-1) P25, the removal efficiencies of total organic carbon (TOC) were only 45.6% and 67.0%, respectively, after 360 min UV-A irradiation. Based on an intermediate analysis by HPLC coupled with a triple quadrupole spectrometer and an ion trap mass spectrometer, typical intermediate species such as hydration derivatives, hydroxyl substitutes and keto-derivatives were identified and possible degradation pathways of OP by P25 were proposed.
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Affiliation(s)
- Wen-Long Wang
- Shenzhen Laboratory of Microorganism Application and Risk Control, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China; Research Institute for Environmental Management Technology, National Institute of Advanced Industrial Science and Technology, Onogawa 16-1, Tsukuba 305-8569, Japan; Environmental Simulation and Pollution Control State Key Joint Laboratory, State Environmental Protection Key Laboratory of Microorganism Application and Risk Control (SMARC), School of Environment, Tsinghua University, Beijing 100084, China
| | - Qian-Yuan Wu
- Shenzhen Laboratory of Microorganism Application and Risk Control, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China
| | - Zheng-Ming Wang
- Research Institute for Environmental Management Technology, National Institute of Advanced Industrial Science and Technology, Onogawa 16-1, Tsukuba 305-8569, Japan.
| | - Hong-Ying Hu
- Environmental Simulation and Pollution Control State Key Joint Laboratory, State Environmental Protection Key Laboratory of Microorganism Application and Risk Control (SMARC), School of Environment, Tsinghua University, Beijing 100084, China.
| | - Nobuaki Negishi
- Research Institute for Environmental Management Technology, National Institute of Advanced Industrial Science and Technology, Onogawa 16-1, Tsukuba 305-8569, Japan
| | - Masaki Torimura
- Research Institute for Environmental Management Technology, National Institute of Advanced Industrial Science and Technology, Onogawa 16-1, Tsukuba 305-8569, Japan
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Azuma T, Ishiuchi H, Inoyama T, Teranishi Y, Yamaoka M, Sato T, Yamashita N, Tanaka H, Mino Y. Detection of peramivir and laninamivir, new anti-influenza drugs, in sewage effluent and river waters in Japan. PLoS One 2015; 10:e0131412. [PMID: 26110817 PMCID: PMC4482326 DOI: 10.1371/journal.pone.0131412] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Accepted: 06/02/2015] [Indexed: 12/23/2022] Open
Abstract
This is the first report of the detection of two new anti-influenza drugs, peramivir (PER) and laninamivir (LAN), in Japanese sewage effluent and river waters. Over about 1 year from October 2013 to July 2014, including the influenza prevalence season in January and February 2014, we monitored for five anti-influenza drugs—oseltamivir (OS), oseltamivir carboxylate (OC), zanamivir (ZAN), PER, and LAN—in river waters and in sewage effluent flowing into urban rivers of the Yodo River system in Japan. The dynamic profiles of these anti-influenza drugs were synchronized well with that of the numbers of influenza patients treated with the drugs. The highest levels in sewage effluents and river waters were, respectively, 82 and 41 ng/L (OS), 347 and 125 ng/L (OC), 110 and 35 ng/L (ZAN), 64 and 11 ng/L (PER), and 21 and 9 ng/L (LAN). However, application of ozone treatment before discharge from sewage treatment plants was effective in reducing the levels of these anti-influenza drugs in effluent. The effectiveness of the ozone treatment and the drug dependent difference in susceptibility against ozone were further evidenced by ozonation of a STP effluent in a batch reactor. These findings should help to promote further environmental risk assessment of the generation of drug-resistant influenza viruses in aquatic environments.
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Affiliation(s)
- Takashi Azuma
- Osaka University of Pharmaceutical Sciences, Takatsuki, Osaka, Japan
- * E-mail:
| | - Hirotaka Ishiuchi
- Osaka University of Pharmaceutical Sciences, Takatsuki, Osaka, Japan
| | - Tomomi Inoyama
- Osaka University of Pharmaceutical Sciences, Takatsuki, Osaka, Japan
| | - Yusuke Teranishi
- Osaka University of Pharmaceutical Sciences, Takatsuki, Osaka, Japan
| | - Misato Yamaoka
- Osaka University of Pharmaceutical Sciences, Takatsuki, Osaka, Japan
| | - Takaji Sato
- Osaka University of Pharmaceutical Sciences, Takatsuki, Osaka, Japan
| | - Naoyuki Yamashita
- Research Center for Environmental Quality Management, Kyoto University, Otsu, Shiga, Japan
| | - Hiroaki Tanaka
- Research Center for Environmental Quality Management, Kyoto University, Otsu, Shiga, Japan
| | - Yoshiki Mino
- Osaka University of Pharmaceutical Sciences, Takatsuki, Osaka, Japan
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Published sequences do not support transfer of oseltamivir resistance mutations from avian to human influenza A virus strains. BMC Infect Dis 2015; 15:162. [PMID: 25887656 PMCID: PMC4387679 DOI: 10.1186/s12879-015-0860-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 02/26/2015] [Indexed: 01/06/2023] Open
Abstract
Background Tamiflu (oseltamivir phosphate ester, OE) is a widely used antiviral active against influenza A virus. Its active metabolite, oseltamivir carboxylate (OC), is chemically stable and secreted into wastewater treatment plants. OC contamination of natural habitats of waterfowl might induce OC resistance in influenza viruses persistently infecting waterfowl, and lead to transfer of OC-resistance from avian to human influenza. The aim of this study was to evaluate whether such has occurred. Methods A genomics approach including phylogenetic analysis and probability calculations for homologous recombination was applied on altogether 19,755 neuraminidase (N1 and N2) genes from virus sampled in humans and birds, with and without resistance mutations. Results No evidence for transfer of OE resistance mutations from avian to human N genes was obtained, and events suggesting recombination between human and avian influenza virus variants could not be traced in the sequence material studied. Conclusions The results indicate that resistance in influenza viruses infecting humans is due to the selection pressure posed by the global OE administration in humans rather than transfer from avian influenza A virus strains carrying mutations induced by environmental exposure to OC. Electronic supplementary material The online version of this article (doi:10.1186/s12879-015-0860-9) contains supplementary material, which is available to authorized users.
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24
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Singer AC, Järhult JD, Grabic R, Khan GA, Lindberg RH, Fedorova G, Fick J, Bowes MJ, Olsen B, Söderström H. Intra- and inter-pandemic variations of antiviral, antibiotics and decongestants in wastewater treatment plants and receiving rivers. PLoS One 2014; 9:e108621. [PMID: 25254643 PMCID: PMC4177917 DOI: 10.1371/journal.pone.0108621] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Accepted: 08/20/2014] [Indexed: 11/27/2022] Open
Abstract
The concentration of eleven antibiotics (trimethoprim, oxytetracycline, ciprofloxacin, azithromycin, cefotaxime, doxycycline, sulfamethoxazole, erythromycin, clarithromycin, ofloxacin, norfloxacin), three decongestants (naphazoline, oxymetazoline, xylometazoline) and the antiviral drug oseltamivir's active metabolite, oseltamivir carboxylate (OC), were measured weekly at 21 locations within the River Thames catchment in England during the month of November 2009, the autumnal peak of the influenza A[H1N1]pdm09 pandemic. The aim was to quantify the pharmaceutical response to the pandemic and compare this to drug use during the late pandemic (March 2010) and the inter-pandemic periods (May 2011). A large and small wastewater treatment plant (WWTP) were sampled in November 2009 to understand the differential fate of the analytes in the two WWTPs prior to their entry in the receiving river and to estimate drug users using a wastewater epidemiology approach. Mean hourly OC concentrations in the small and large WWTP's influent were 208 and 350 ng/L (max, 2070 and 550 ng/L, respectively). Erythromycin was the most concentrated antibiotic measured in Benson and Oxford WWTPs influent (max=6,870 and 2,930 ng/L, respectively). Napthazoline and oxymetazoline were the most frequently detected and concentrated decongestant in the Benson WWTP influent (1650 and 67 ng/L) and effluent (696 and 307 ng/L), respectively, but were below detection in the Oxford WWTP. OC was found in 73% of November 2009's weekly river samples (max=193 ng/L), but only in 5% and 0% of the late- and inter-pandemic river samples, respectively. The mean river concentration of each antibiotic during the pandemic largely fell between 17-74 ng/L, with clarithromycin (max=292 ng/L) and erythromycin (max=448 ng/L) yielding the highest single measure. In general, the concentration and frequency of detecting antibiotics in the river increased during the pandemic. OC was uniquely well-suited for the wastewater epidemiology approach owing to its nature as a prodrug, recalcitrance and temporally- and spatially-resolved prescription statistics.
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Affiliation(s)
- Andrew C. Singer
- Natural Environment Research Council, Centre for Ecology and Hydrology, Wallingford, United Kingdom
| | - Josef D. Järhult
- Section of Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Roman Grabic
- Department of Chemistry, Umeå University, Umeå, Sweden
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Vodnany, Czech Republic
| | | | | | - Ganna Fedorova
- Department of Chemistry, Umeå University, Umeå, Sweden
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Vodnany, Czech Republic
| | - Jerker Fick
- Department of Chemistry, Umeå University, Umeå, Sweden
| | - Michael J. Bowes
- Natural Environment Research Council, Centre for Ecology and Hydrology, Wallingford, United Kingdom
| | - Björn Olsen
- Section of Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
- Section for Zoonotic Ecology and Epidemiology, School of Natural Sciences, Linnaeus University, Kalmar, Sweden
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Orozovic G, Orozovic K, Järhult JD, Olsen B. Study of oseltamivir and zanamivir resistance-related mutations in influenza viruses isolated from wild mallards in Sweden. PLoS One 2014; 9:e89306. [PMID: 24558492 PMCID: PMC3928424 DOI: 10.1371/journal.pone.0089306] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Accepted: 01/21/2014] [Indexed: 01/22/2023] Open
Abstract
Resistance to neuraminidase inhibitors (NAIs) is a growing problem in battle against influenza A virus. However, little is known about the resistance of viruses isolated from dabbling ducks, the natural reservoir of the influenza virus. To our knowledge, no low-pathogenic avian influenza (LPAI) virus resistant to NAIs has been detected. The aim of this study was to investigate mallard isolates of influenza A virus previously identified to carry oseltamivir carboxylate (OC) or zanamivir (ZA) resistance-related mutations. In this work, 21 viruses belonging to the N1, N3, N6 and N9 subtypes were analyzed using a colorimetric NA inhibition assay. The results of assay showed no NAIs-resistant phenotype for any of the viruses. The R118K mutation was the most recurrent, as it was observed in all subtypes except for N6. IC50 values confirmed the differences in sensitivity to OC or ZA observed in the N1 and N2 groups of NAs. Furthermore, both wild types (WTs) in the N6 and one WT in the N9 subtype were less sensitive to ZA than were genotypically related mutants with R152K and R118K change in the respective subtypes. This may indicate that these and probably even other NAIs resistance-related mutations found in our virus collection were not induced by NAIs residuals in the environment and that the impact of such mutations in an avian influenza could be dependent on subtype, strain and host species.
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Affiliation(s)
- Goran Orozovic
- Section of Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
- * E-mail:
| | - Kanita Orozovic
- Department of Plant Biology and Forest Genetics Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Josef D. Järhult
- Section of Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Björn Olsen
- Section of Infectious Diseases, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
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26
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Chen WY, Lin CJ, Liao CM. Assessing exposure risks for aquatic organisms posed by Tamiflu use under seasonal influenza and pandemic conditions. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2014; 184:377-84. [PMID: 24095813 DOI: 10.1016/j.envpol.2013.09.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Revised: 09/03/2013] [Accepted: 09/13/2013] [Indexed: 05/07/2023]
Abstract
Environmental pollution by anti-influenza drugs is increasingly recognized as a threat to aquatic environments. However, little is known about empirical data on risk effects posed by environmentally relevant concentrations of anti-influenza drug based on recently published ecotoxicological researches in Taiwan. Here we linked ecotoxicology models with an epidemiological scheme to assess exposure risks of aquatic organisms and environmental hazards posed by antiviral oseltamivir (Tamiflu) use in Taiwan. Built on published bioassays, we used probabilistic risk assessment model to estimate potential threats of environmentally relevant hazards on algae, daphnid, and zerbrafish. We found that Tamiflu use was unlikely to pose a significant chronic environmental risk to daphnia and zebrafish during seasonal influenza. However, the chronic environmental risk posed by Tamiflu use during pandemic was alarming. We conclude that no significant risk to algal growth was found during seasonal influenza and high pandemic Tamiflu use.
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Affiliation(s)
- Wei-Yu Chen
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan, ROC
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27
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Peng X, Wang C, Zhang K, Wang Z, Huang Q, Yu Y, Ou W. Profile and behavior of antiviral drugs in aquatic environments of the Pearl River Delta, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 466-467:755-61. [PMID: 23973541 DOI: 10.1016/j.scitotenv.2013.07.062] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2013] [Revised: 07/17/2013] [Accepted: 07/17/2013] [Indexed: 05/25/2023]
Abstract
Occurrence and behavior of six antiviral pharmaceuticals (acyclovir, ganciclovir, oseltamivir, ribavirin, stavudine and zidovudine) and one active metabolite oseltamivir carboxylate were investigated in wastewater, landfill leachate, river water, reservoir and well water in the vicinity of municipal landfills in the Pearl River Delta, China. Acyclovir was the only antiviral detected in the wastewater at 177-406 (mean=238) and 114-205 (mean=154) ng L(-1) in the influent and final effluent, respectively. Aerobic biodegradation appeared to be the main process for the elimination of acyclovir in the wastewater. Acyclovir was also the only antiviral quantitatively detected in the Pearl River and its tributaries, with a maximum concentration up to 113 ng L(-1). Treated wastewater was a major source of acyclovir in the rivers. The highest concentration of acyclovir was observed in winter in the river water and the dilution effect by precipitation was suggested to be the dominant factor impacting the seasonal pattern of acyclovir in the rivers. No antivirals were quantitatively detected in the well water whereas acyclovir was frequently detected in the reservoirs at a maximal concentration of 33.6 ng L(-1) in the vicinity of the municipal landfills. However, source identification and fate of acyclovir in the reservoirs pend on further research.
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Affiliation(s)
- Xianzhi Peng
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China.
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28
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Azuma T, Nakada N, Yamashita N, Tanaka H. Mass balance of anti-influenza drugs discharged into the Yodo River system, Japan, under an influenza outbreak. CHEMOSPHERE 2013; 93:1672-7. [PMID: 23871592 DOI: 10.1016/j.chemosphere.2013.05.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Revised: 05/05/2013] [Accepted: 05/06/2013] [Indexed: 05/25/2023]
Abstract
In February 2011, at the peak of an influenza outbreak, we performed a comprehensive analysis of the mass balances of four anti-influenza drugs-oseltamivir (OS), oseltamivir carboxylate (OC), amantadine (AMN), and zanamivir (ZAN)-in the urban area of the Yodo River system. This area includes three main river catchments (the Katsura, Uji, and Kidzu Rivers) and is home to 12 million people, about 10% of Japan's population. Water was sampled at six main rivers and 13 tributary sites and eight sewage treatment plants (STPs). We concluded that the STP effluents were the major sources of the anti-influenza drug load in the Yodo River system (68-94% of total mass fluxes). Extended measurement throughout the Yodo River system further showed only small fluctuations of the ratio of OS to OC from 0.2 to 0.3, suggesting that OS and its metabolite are environmentally stable. The results also clearly showed the importance of reducing the levels of anti-influenza drugs in the water environment by reducing their emission at STPs.
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Affiliation(s)
- Takashi Azuma
- Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, 1-2 Yumihama, Otsu, Shiga 520-0811, Japan.
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Application of electrolysis for inactivation of an antiviral drug that is one of possible selection pressure to drug-resistant influenza viruses. J Virol Methods 2013; 194:154-60. [PMID: 23994466 DOI: 10.1016/j.jviromet.2013.08.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Revised: 08/06/2013] [Accepted: 08/09/2013] [Indexed: 11/22/2022]
Abstract
The recent development of antiviral drugs has led to concern that the release of the chemicals in surface water due to expanded medical use could induce drug-resistant mutant viruses in zoonosis. Many researchers have noted that the appearance of an oseltamivir (Tamiflu(®))-resistant avian influenza mutant virus, which may spread to humans, could be induced by oseltamivir contamination of surface water. Although past studies have reported electrolysis as a possible method for degradation of antineoplastics and antibacterials in water, the validity of the method for treatment of antiviral drugs is unknown. In this study, electrolysis was used to degrade an antiviral prodrug, oseltamivir, and a stable active form, oseltamivir carboxylate, and the degradation process was monitored with HPLC-UV and the neuraminidase inhibitory assay. HPLC-UV-detectable oseltamivir and oseltamivir carboxylate were decomposed by electrolysis within 60 min, and inhibitory activity of neuraminidase decreased below the detection limit of the assay used. Cytotoxic and genotoxic activity were not detected in electrolyzed fluid. These results indicate that electrolysis is a possible treatment for inactivation of the antiviral drug oseltamivir.
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30
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Compliance to oseltamivir among two populations in Oxfordshire, United Kingdom affected by influenza A(H1N1)pdm09, November 2009--a waste water epidemiology study. PLoS One 2013; 8:e60221. [PMID: 23613721 PMCID: PMC3626736 DOI: 10.1371/journal.pone.0060221] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2012] [Accepted: 02/18/2013] [Indexed: 11/19/2022] Open
Abstract
Antiviral provision remains the focus of many pandemic preparedness plans, however, there is considerable uncertainty regarding antiviral compliance rates. Here we employ a waste water epidemiology approach to estimate oseltamivir (Tamiflu®) compliance. Oseltamivir carboxylate (oseltamivir's active metabolite) was recovered from two waste water treatment plant (WWTP) catchments within the United Kingdom at the peak of the autumnal wave of the 2009 Influenza A (H1N1)pdm09 pandemic. Predictions of oseltamivir consumption from detected levels were compared with two sources of national government statistics to derive compliance rates. Scenario and sensitivity analysis indicated between 3-4 and 120-154 people were using oseltamivir during the study period in the two WWTP catchments and a compliance rate between 45-60%. With approximately half the collected antivirals going unused, there is a clear need to alter public health messages to improve compliance. We argue that a near real-time understanding of drug compliance at the scale of the waste water treatment plant (hundreds to millions of people) can potentially help public health messages become more timely, targeted, and demographically sensitive, while potentially leading to less mis- and un-used antiviral, less wastage and ultimately a more robust and efficacious pandemic preparedness plan.
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Effect of oseltamivir carboxylate consumption on emergence of drug-resistant H5N2 avian influenza virus in Mallard ducks. Antimicrob Agents Chemother 2013; 57:2171-81. [PMID: 23459475 DOI: 10.1128/aac.02126-12] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Oseltamivir carboxylate (OC) has been detected in environmental waters at various levels during recent influenza seasons in humans, reflecting levels of usage and stability of this drug. In consideration of the role of waterfowl as hosts for influenza viruses that may contribute to human infections, we evaluated the effect of consumption of low doses of OC on development of oseltamivir-resistant influenza virus mutants in mallard ducks (Anas platyrhynchos) infected with two different low-pathogenic (LP) H5N2 avian influenza viruses (AIV). We detected development of virus variants carrying a known molecular marker of oseltamivir resistance (neuraminidase E119V) in 4 out of 6 mallards infected with A/Mallard/Minnesota/182742/1998 (H5N2) and exposed to 1,000 ng/liter OC. The mutation first appeared as a minor population on days 5 to 6 and was the dominant genotype on days 6 to 8. Oseltamivir-resistant mutations were not detected in virus from ducks not exposed to the drug or in ducks infected with a second strain of virus and similarly exposed to OC. Virus isolates carrying the E119V mutation displayed in vitro replication kinetics similar to those of the wild-type virus, but in vivo, the E119V virus rapidly reverted back to wild type in the absence of OC, and only the wild-type parental strain was transmitted to contact ducks. These results indicate that consumption by wild waterfowl of OC in drinking water may promote selection of the E119V resistance mutation in some strains of H5N2 AIV that could contribute to viruses infecting human populations.
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32
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Emerging Organic Contaminants in Groundwater. SMART SENSORS, MEASUREMENT AND INSTRUMENTATION 2013. [DOI: 10.1007/978-3-642-37006-9_12] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Azuma T, Nakada N, Yamashita N, Tanaka H. Synchronous dynamics of observed and predicted values of anti-influenza drugs in environmental waters during a seasonal influenza outbreak. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2012; 46:12873-12881. [PMID: 23106220 DOI: 10.1021/es303203c] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Time-dependent dynamics in the concentrations of four anti-influenza drugs (oseltamivir, oseltamivir carboxylate, zanamivir, and amantadine) in environmental waters collected from the Yodo River basin, Japan, were monitored for the first time over a 1 year period (July 2010 to June 2011). The clear, convex dynamic profiles of oseltamivir, oseltamivir carboxylate, and zanamivir during a 3 month seasonal influenza outbreak (January to March 2011) were synchronized well with that of the numbers of influenza patients treated with the drugs. The highest levels in sewage treatment plants (STPs) and river waters were, respectively, 177 and 60 ng/L (oseltamivir), 827 and 288 ng/L (oseltamivir carboxylate), and 30 and 15 ng/L (zanamivir). Fixed levels of amantadine were detectable year-round (100-200 ng/L in the STPs and 10-30 ng/L in river waters). The predicted convex profiles of oseltamivir, oseltamivir carboxylate, and zanamivir in both STPs and river waters were significantly correlated (0.714 < R < 0.932) with the observed values. The profiles were predicted successfully by simple mathematical principles, taking the number of influenza patients, quantities of Tamiflu and Relenza used, dilution by drainwaters passing through STPs, removal rates at STPs, dilution rates in river effluents, and attenuation rates in rivers into consideration.
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Affiliation(s)
- Takashi Azuma
- Research Center for Environmental Quality Management, Graduate School of Engineering, Kyoto University, 1-2 Yumihama, Otsu, Shiga 520-0811, Japan
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Hassan SSM, EL-Nashar RM, El-Tantawy ASM. A New Validated Potentiometric Method for Batch and Continuous Quality Control Monitoring of Oseltamivir Phosphate (Taminil) in Drug Formulations and Biological Fluids. ELECTROANAL 2012. [DOI: 10.1002/elan.201200437] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Kumaki Y, Morrey JD, Barnard DL. Effect of statin treatments on highly pathogenic avian influenza H5N1, seasonal and H1N1pdm09 virus infections in BALB/c mice. Future Virol 2012; 7:801-818. [PMID: 23420457 DOI: 10.2217/fvl.12.71] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Statins are used to control elevated cholesterol or hypercholesterolemia, but have previously been reported to have antiviral properties. AIMS: To show efficacy of statins in various influenza virus mouse models. MATERIALS & METHODS: BALB/c mice were treated intraperitoneally or orally with several types of statins (simvastatin, lovastatin, mevastatin, pitavastatin, atorvastatin or rosuvastatin) at various concentrations before or after infection with either influenza A/Duck/ MN/1525/81 H5N1 virus, influenza A/Vietnam/1203/2004 H5N1 virus, influenza A/ Victoria/3/75 H3N2 virus, influenza A/NWS/33 H1N1 virus or influenza A/CA/04/09 H1N1pdm09 virus. RESULTS: The statins administered intraperitoneally or orally at any dose did not significantly enhance the total survivors relative to untreated controls. In addition, infected mice receiving any concentration of statin were not protected against weight loss due to the infection. None of the statins significantly increased the mean day of death relative to mice in the placebo treatment group. Furthermore, the statins had relatively few ameliorative effects on lung pathology or lung weights at day 3 and 6 after virus exposure, although mice treated with simvastatin did have improved lung function as measured by arterial saturated oxygen levels in one experiment. CONCLUSION: Statins showed relatively little efficacy in any mouse model used by any parameter tested.
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Affiliation(s)
- Yohichi Kumaki
- Institute for Antiviral Research, Department of Animal, Dairy & Veterinary Science, 5600 Old Main Hill, Logan, Utah State University, Logan, UT 84322, USA
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Mestankova H, Schirmer K, Escher BI, von Gunten U, Canonica S. Removal of the antiviral agent oseltamivir and its biological activity by oxidative processes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2012; 161:30-35. [PMID: 22230064 DOI: 10.1016/j.envpol.2011.09.018] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2011] [Revised: 09/08/2011] [Accepted: 09/15/2011] [Indexed: 05/27/2023]
Abstract
The antiviral agent oseltamivir acid (OA, the active metabolite of Tamiflu(®)) may occur at high concentrations in wastewater during pandemic influenza events. To eliminate OA and its antiviral activity from wastewater, ozonation and advanced oxidation processes were investigated. For circumneutral pH, kinetic measurements yielded second-order rate constants of 1.7 ± 0.1 × 10(5) and 4.7 ± 0.2 × 10(9) M(-1) s(-1) for the reaction of OA with ozone and hydroxyl radical, respectively. During the degradation of OA by both oxidants, the antiviral activity of the treated aqueous solutions was measured by inhibition of neuraminidase activity of two different viral strains. A transient, moderate (two-fold) increase in antiviral activity was observed in solutions treated up to a level of 50% OA transformation, while for higher degrees of transformation the activity corresponded to that caused exclusively by OA. OA was efficiently removed by ozonation in a wastewater treatment plant effluent, suggesting that ozonation can be applied to remove OA from wastewater.
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Affiliation(s)
- Hana Mestankova
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Überlandstrasse 133, P.O. Box 611, CH-8600 Dübendorf, Switzerland.
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Stuart M, Lapworth D, Crane E, Hart A. Review of risk from potential emerging contaminants in UK groundwater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 416:1-21. [PMID: 22209399 DOI: 10.1016/j.scitotenv.2011.11.072] [Citation(s) in RCA: 159] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2011] [Revised: 11/23/2011] [Accepted: 11/23/2011] [Indexed: 05/26/2023]
Abstract
This paper provides a review of the types of emerging organic groundwater contaminants (EGCs) which are beginning to be found in the UK. EGCs are compounds being found in groundwater that were previously not detectable or known to be significant and can come from agricultural, urban and rural point sources. EGCs include nanomaterials, pesticides, pharmaceuticals, industrial compounds, personal care products, fragrances, water treatment by-products, flame retardants and surfactants, as well as caffeine and nicotine. Many are relatively small polar molecules which may not be effectively removed by drinking water treatment. Data from the UK Environment Agency's groundwater screening programme for organic pollutants found within the 30 most frequently detected compounds a number of EGCs such as pesticide metabolites, caffeine and DEET. Specific determinands frequently detected include pesticides metabolites, pharmaceuticals including carbamazepine and triclosan, nicotine, food additives and alkyl phosphates. This paper discusses the routes by which these compounds enter groundwater, their toxicity and potential risks to drinking water and the environment. It identifies challenges that need to be met to minimise risk to drinking water and ecosystems.
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Affiliation(s)
- Marianne Stuart
- British Geological Survey, Maclean Building, Wallingford, OX10 8BB, UK.
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Susceptibility of avian influenza viruses of the N6 subtype to the neuraminidase inhibitor oseltamivir. Antiviral Res 2012; 93:322-9. [PMID: 22252168 DOI: 10.1016/j.antiviral.2011.12.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Revised: 12/22/2011] [Accepted: 12/23/2011] [Indexed: 01/29/2023]
Abstract
Avian influenza viruses are a source of genetic material that can be transmitted to humans through direct introduction or reassortment. Although there is a wealth of information concerning global monitoring for antiviral resistance among human viruses of the N1 and N2 neuraminidase (NA) subtypes, information concerning avian viruses of these and other NA subtypes is limited. We undertook a surveillance study to investigate the antiviral susceptibility of avian influenza N6 NA viruses, the predominant subtype among wild waterfowl. We evaluated 73 viruses from North American ducks and shorebirds for susceptibility to the NA inhibitor oseltamivir in a fluorescence-based NA enzyme inhibition assay. Most (90%) had mean IC(50) values ranging from <0.01 to 5.0nM; 10% were from 5.1 to 50.0nM; and none were >50.0nM. Susceptibility to oseltamivir remained stable among all isolates collected over approximately three decades (P⩽0.74). Two isolates with I222V NA substitution had moderately reduced susceptibility to oseltamivir in vitro (IC(50), 30.0 and 40.0nM). One field sample was a mixed population containing an avian paramyxovirus (APMV) and H4N6 influenza virus, as revealed by electron microscopy and hemagglutination inhibition assays with a panel of anti-APMV antisera. This highlights the importance of awareness and careful examination of non-influenza pathogens in field samples from avian sources. This study showed that oseltamivir-resistant N6 NA avian influenza viruses are rare, and must be tested both phenotypically and genotypically to confirm resistance.
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Leknes H, Sturtzel IE, Dye C. Environmental release of oseltamivir from a Norwegian sewage treatment plant during the 2009 influenza A (H1N1) pandemic. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 414:632-8. [PMID: 22127154 DOI: 10.1016/j.scitotenv.2011.11.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Revised: 10/19/2011] [Accepted: 11/01/2011] [Indexed: 04/14/2023]
Abstract
During the 2009 influenza type A(H1N1) pandemic, the antiviral drug oseltamivir (OP, Tamiflu®) was extensively used for treatment and prophylaxis after recommendation from World Health Organisation (WHO). Previous studies have indicated that the pharmaceutically active metabolite of OP, oseltamivir carboxylate (OC), is not readily degraded in sewage treatment plants (STPs) and therefore will be released into receiving waters in elevated concentrations during a pandemic outbreak of influenza. A method for analyzing OP and OC in wastewater by UPLC-TOF has been developed and validated. This analytical method has been used to study the release of OP and OC from a sewage treatment plant outside Oslo, Norway during the 2009 pandemic. Daily flow-proportional influent and effluent samples from 11 weeks covering the main wave of the influenza pandemic were analyzed, and the observed trend in OP and OC concentrations closely followed the trend in percentage of medical consultations caused by influenza-like illness. Concentrations in wastewater influent were in the range of 5-529 ng/L and 28-1213 ng/L for OP and OC, respectively. Concentration data from the 54 influent/effluent sample sets suggest STP removal in the range of -0.8% to 8% for OP and -14% to 0.6% for OC. Statistical analysis of the data sets was inconclusive in determining a removal rate different from 0.
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Affiliation(s)
- Henriette Leknes
- NILU, Norwegian Institute for Air Research, PO Box 100, N-2027 Kjeller, Norway.
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Berendsen BJA, Wegh RS, Essers ML, Stolker AAM, Weigel S. Quantitative trace analysis of a broad range of antiviral drugs in poultry muscle using column-switch liquid chromatography coupled to tandem mass spectrometry. Anal Bioanal Chem 2011; 402:1611-23. [PMID: 22173207 PMCID: PMC3262966 DOI: 10.1007/s00216-011-5581-3] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Revised: 11/14/2011] [Accepted: 11/15/2011] [Indexed: 12/05/2022]
Abstract
A liquid chromatography–tandem mass spectrometry method for the analysis of seven antiviral drugs, zanamivir, ribavirin, oseltamivir, oseltamivir carboxylate, amantadine, rimantadine and arbidol, in poultry muscle is reported. The antiviral drugs were extracted from the homogenized poultry muscle sample using methanol. The extract was purified using tandem solid-phase extraction combining a cation exchange cartridge and a phenylboronic acid cartridge. To prevent excessive matrix effects, the analytes were separated from the matrix constituents using a column-switch liquid chromatography system combining a reversed-phase and a Hypercarb analytical column. Detection was carried out using tandem mass spectrometry. The method was fully validated according to 2002/657/EC [1] and proved to be adequate for quantification and confirmation of zanamivir and ribavirin at 10 μg kg−1, oseltamivir, oseltamivir carboxylate, amantadine and rimantadine at levels below 1.0 μg kg−1 and for qualitative confirmatory analysis of arbidol at levels below 1 μg kg−1.
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Affiliation(s)
- Bjorn J A Berendsen
- RIKILT-Institute of Food Safety, Wageningen University and Research Centre, Akkermaalsbos 2, 6708WB, P.O. Box 230, 6700AE Wageningen, The Netherlands.
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Eissen M, Backhaus D. Pharmaceuticals in the environment: an educational perspective. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2011; 18:1555-66. [PMID: 21573924 DOI: 10.1007/s11356-011-0512-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2010] [Accepted: 04/14/2011] [Indexed: 05/24/2023]
Abstract
PURPOSE Pharmaceuticals are an integral part of a dignified life. However, a lack of degradability and threats to the welfare of living beings cause concern due to their emission into the environment. There is also a lack of knowledge about cause and consequence. Therefore, we intend to contribute to the development of educational programmes which should increasingly include the topic 'pharmaceuticals in the environment'. METHODS Considering the current literature, we developed a corresponding series of worksheets (Online Resource) and sample solutions on an introductory level and integrated them into our curriculum. RESULTS The material compiled for the worksheets was arranged in a logical order and considers several subtopics. The worksheets aim to support the examination of related aspects such as environmental effects, emissions, wastewater treatment plants, degradation, degradation by-products, advanced oxidation processes, hydraulic retention times, half-life times, biosolids, exposition pathways, precautionary principle, classification schemes for pharmaceuticals and, related to the structure-activity relationship, the design for degradability. The students managed to work on the tasks in an appropriate manner and received a good overview of the occurrence and fate of pharmaceuticals in the environment. CONCLUSIONS Tasks that were presented to students regarding the topic 'pharmaceuticals in the environment' contributed to a better understanding of the possible risks of medical care on an introductory level. The tasks have been incorporated into a logic series of worksheets (Online Resource) with sample solutions available. Alternatively, the material would be appropriate for the preparation of a corresponding lecture on this topic.
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Affiliation(s)
- Marco Eissen
- Gymnasium Ganderkesee, Am Steinacker 12, 27777 Ganderkesee, Germany.
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Singer AC, Colizza V, Schmitt H, Andrews J, Balcan D, Huang WE, Keller VDJ, Vespignani A, Williams RJ. Assessing the ecotoxicologic hazards of a pandemic influenza medical response. ENVIRONMENTAL HEALTH PERSPECTIVES 2011; 119:1084-90. [PMID: 21367688 PMCID: PMC3237342 DOI: 10.1289/ehp.1002757] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2010] [Accepted: 02/28/2011] [Indexed: 05/23/2023]
Abstract
BACKGROUND The global public health community has closely monitored the unfolding of the 2009 H1N1 influenza pandemic to best mitigate its impact on society. However, little attention has been given to the impact of this response on the environment. Antivirals and antibiotics prescribed to treat influenza are excreted into wastewater in a biologically active form, which presents a new and potentially significant ecotoxicologic challenge to microorganisms responsible for wastewater nutrient removal in wastewater treatment plants (WWTPs) and receiving rivers. OBJECTIVES We assessed the ecotoxicologic risks of a pandemic influenza medical response. METHODS To evaluate this risk, we coupled a global spatially structured epidemic model that simulates the quantities of antivirals and antibiotics used during an influenza pandemic of varying severity and a water quality model applied to the Thames catchment to determine predicted environmental concentrations. An additional model was then used to assess the effects of antibiotics on microorganisms in WWTPs and rivers. RESULTS Consistent with expectations, our model projected a mild pandemic to exhibit a negligible ecotoxicologic hazard. In a moderate and severe pandemic, we projected WWTP toxicity to vary between 0-14% and 5-32% potentially affected fraction (PAF), respectively, and river toxicity to vary between 0-14% and 0-30% PAF, respectively, where PAF is the fraction of microbial species predicted to be growth inhibited (lower and upper 95% reference range). CONCLUSIONS The current medical response to pandemic influenza might result in the discharge of insufficiently treated wastewater into receiving rivers, thereby increasing the risk of eutrophication and contamination of drinking water abstraction points. Widespread drugs in the environment could hasten the generation of drug resistance. Our results highlight the need for empirical data on the effects of antibiotics and antiviral medications on WWTPs and freshwater ecotoxicity.
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Affiliation(s)
- Andrew C Singer
- Centre for Ecology and Hydrology, Wallingford, Oxfordshire, United Kingdom.
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Gonçalves C, Pérez S, Osorio V, Petrovic M, Alpendurada MF, Barceló D. Photofate of oseltamivir (Tamiflu) and oseltamivir carboxylate under natural and simulated solar irradiation: kinetics, identification of the transformation products, and environmental occurrence. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2011; 45:4307-4314. [PMID: 21495632 DOI: 10.1021/es1032629] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
In this work the photodegradation pathways and rates of oseltamivir ester (OE) and oseltamivir carboxylate (OC) were studied under artificial and natural solar irradiation with the goal of assessing the potential of photolysis as a removal mechanism in aquatic environments. The structures of the photoproducts of OE, elucidated by ultra performance liquid chromatography-quadrupole-time-of-flight-mass spectrometry (UPLC-QToF-MS), were proposed to originate from hydration of the cyclohexene ring (TP330), ester hydrolysis (TP284), a combination thereof (TP302), intramolecular cyclization involving the ester (TP312), and cleavage of the ethylpropoxy side chain (TP226). The only photoproduct detected in case of OC was postulated to correspond to the hydration of the α,β-unsaturated acid (TP302). Under simulated solar irradiation the degradation rate of OC was approximately 10 times slower than that of OE, with half-lives ranging from 48 h in ultrapure water to 12 h in surface water from Sant Joan Despi, Llobregat river. The photodegradation under natural solar irradiation during the season of pandemic Influenza peak incidence was about 150 days for OC and 15 days for OE. In general, the photoproducts proved to be more resistant toward further photodegradation than the parent antivirals. In a monitoring survey of surface waters from the Ebro river (NE Spain), OC and OE were detected along with the photoproducts TP330 and 312.
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Affiliation(s)
- C Gonçalves
- Laboratory of Hydrology, Faculty of Pharmacy, University of Porto/RuaAníbal Cunha, 164/4050-047 Porto, Portugal
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Widmer N, Meylan P, Ivanyuk A, Aouri M, Decosterd LA, Buclin T. Oseltamivir in seasonal, avian H5N1 and pandemic 2009 A/H1N1 influenza: pharmacokinetic and pharmacodynamic characteristics. Clin Pharmacokinet 2011; 49:741-65. [PMID: 20923248 DOI: 10.2165/11534730-000000000-00000] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Oseltamivir is the ester-type prodrug of the neuraminidase inhibitor oseltamivir carboxylate. It has been shown to be an effective treatment for both seasonal influenza and the recent pandemic 2009 A/H1N1 influenza, reducing both the duration and severity of the illness. It is also effective when used preventively. This review aims to describe the current knowledge of the pharmacokinetic and pharmacodynamic characteristics of this agent, and to address the issue of possible therapeutic drug monitoring. According to the currently available literature, the pharmacokinetics of oseltamivir carboxylate after oral administration of oseltamivir are characterized by mean ± SD bioavailability of 79 ± 12%, apparent clearance of 25.3 ± 7.0 L/h, an elimination half-life of 7.4 ± 2.5 hours and an apparent terminal volume of distribution of 267 ± 122 L. A maximum plasma concentration of 342 ± 83 μg/L, a time to reach the maximum plasma concentration of 4.2 ± 1.1 hours, a trough plasma concentration of 168 ± 32 μg/L and an area under the plasma concentration-time curve from 0 to 24 hours of 6110 ± 1330 μg · h/L for a 75 mg twice-daily regimen were derived from literature data. The apparent clearance is highly correlated with renal function, hence the dosage needs to be adjusted in proportion to the glomerular filtration rate. Interpatient variability is moderate (28% in apparent clearance and 46% in the apparent central volume of distribution); there is no indication of significant erratic or limited absorption in given patient subgroups. The in vitro pharmacodynamics of oseltamivir carboxylate reveal wide variation in the concentration producing 50% inhibition of influenza A and B strains (range 0.17-44 μg/L). A formal correlation between systemic exposure to oseltamivir carboxylate and clinical antiviral activity or tolerance in influenza patients has not yet been demonstrated; thus no formal therapeutic or toxic range can be proposed. The pharmacokinetic parameters of oseltamivir carboxylate after oseltamivir administration (bioavailability, apparent clearance and the volume of distribution) are fairly predictable in healthy subjects, with little interpatient variability outside the effect of renal function in all patients and bodyweight in children. Thus oseltamivir carboxylate exposure can probably be controlled with sufficient accuracy by thorough dosage adjustment according to patient characteristics. However, there is a lack of clinical study data on naturally infected patients. In addition, the therapeutic margin of oseltamivir carboxylate is poorly defined. The usefulness of systematic therapeutic drug monitoring in patients therefore appears to be questionable; however, studies are still needed to extend the knowledge to particular subgroups of patients or dosage regimens.
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Affiliation(s)
- Nicolas Widmer
- Division of Clinical Pharmacology and Toxicology, University Hospital Center and University of Lausanne, Lausanne, Switzerland.
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Orozovic G, Orozovic K, Lennerstrand J, Olsen B. Detection of resistance mutations to antivirals oseltamivir and zanamivir in avian influenza A viruses isolated from wild birds. PLoS One 2011; 6:e16028. [PMID: 21253602 PMCID: PMC3017088 DOI: 10.1371/journal.pone.0016028] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2010] [Accepted: 12/09/2010] [Indexed: 12/15/2022] Open
Abstract
The neuraminidase (NA) inhibitors oseltamivir and zanamivir are the first-line of defense against potentially fatal variants of influenza A pandemic strains. However, if resistant virus strains start to arise easily or at a high frequency, a new anti-influenza strategy will be necessary. This study aimed to investigate if and to what extent NA inhibitor–resistant mutants exist in the wild population of influenza A viruses that inhabit wild birds. NA sequences of all NA subtypes available from 5490 avian, 379 swine and 122 environmental isolates were extracted from NCBI databases. In addition, a dataset containing 230 virus isolates from mallard collected at Ottenby Bird Observatory (Öland, Sweden) was analyzed. Isolated NA RNA fragments from Ottenby were transformed to cDNA by RT-PCR, which was followed by sequencing. The analysis of genotypic profiles for NAs from both data sets in regard to antiviral resistance mutations was performed using bioinformatics tools. All 6221 sequences were scanned for oseltamivir- (I117V, E119V, D198N, I222V, H274Y, R292K, N294S and I314V) and zanamivir-related mutations (V116A, R118K, E119G/A/D, Q136K, D151E, R152K, R224K, E276D, R292K and R371K). Of the sequences from the avian NCBI dataset, 132 (2.4%) carried at least one, or in two cases even two and three, NA inhibitor resistance mutations. Swine and environmental isolates from the same data set had 18 (4.75%) and one (0.82%) mutant, respectively, with at least one mutation. The Ottenby sequences carried at least one mutation in 15 cases (6.52%). Therefore, resistant strains were more frequently found in Ottenby samples than in NCBI data sets. However, it is still uncertain if these mutations are the result of natural variations in the viruses or if they are induced by the selective pressure of xenobiotics (e.g., oseltamivir, zanamivir).
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Affiliation(s)
- Goran Orozovic
- Section for Zoonotic Ecology and Epidemiology, Linneaus University, Kalmar, Sweden.
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Slater FR, Singer AC, Turner S, Barr JJ, Bond PL. Pandemic pharmaceutical dosing effects on wastewater treatment: no adaptation of activated sludge bacteria to degrade the antiviral drug Oseltamivir (Tamiflu®) and loss of nutrient removal performance. FEMS Microbiol Lett 2010; 315:17-22. [DOI: 10.1111/j.1574-6968.2010.02163.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Caracciolo AB, Grenni P, Saccà ML. Effect of the antiviral drug oseltamivir (Tamiflu) on the bacterial community structure of a surface water ecosystem analyzed using fluorescence in situ hybridization. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2010; 85:443-446. [PMID: 20957346 DOI: 10.1007/s00128-010-0114-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2010] [Accepted: 09/27/2010] [Indexed: 05/30/2023]
Abstract
The antiviral drug Tamiflu has received particular attention because of its recommended use against the influenza A H5N1 and H1N1 viruses. Given its resistance to degradation and its hydrophilicity the active metabolite, Oseltamivir Carboxylate (OC), is expected to enter the aquatic ecosystem from sewage treatment plants. In the present paper the bacterial community of surface water samples, treated with OC (1.5 mg L⁻¹), was characterized by Fluorescence In Situ Hybridization (FISH) in microcosm experiments. The α-, β- and γ-Proteobacteria increased in OC-treated versus non-treated water samples during the incubation period, suggesting these bacterial groups had an active role in OC degradation.
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Al-Rajab AJ, Sabourin L, Chapman R, Lapen DR, Topp E. Fate of the antiretroviral drug tenofovir in agricultural soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2010; 408:5559-5564. [PMID: 20800877 DOI: 10.1016/j.scitotenv.2010.07.074] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2010] [Revised: 07/06/2010] [Accepted: 07/28/2010] [Indexed: 05/29/2023]
Abstract
Tenofovir (9-(R)-(2-phosphonylmethoxypropyl)-adenine) is an antiretroviral drug widely used for the treatment of human immunodeficiency virus (HIV-1) and Hepatitis B virus (HBV) infections. Tenofovir is extensively and rapidly excreted unchanged in the urine. In the expectation that tenofovir could potentially reach agricultural lands through the application of municipal biosolids or wastewater, and in the absence of any environmental fate data, we evaluated its persistence in selected agricultural soils. Less than 10% of [adenine-8-(14)C]-tenofovir added to soils varying widely in texture (sand, loam, clay loam) was mineralized in a 2-month incubation under laboratory conditions. Tenofovir was less readily extractable from clay soils than from a loam or a sandy loam soil. Radioactive residues of tenofovir were removed from the soil extractable fraction with DT(50)s ranging from 24±2 to 67+22days (first order kinetic model) or 44+9 to 127+55days (zero order model). No extractable transformation products were detectable by HPLC. Tenofovir mineralization in the loam soil increased with temperature (range 4°C to 30°C), and did not occur in autoclaved soil, suggesting a microbial basis. Mineralization rates increased with soil moisture content, ranging from air-dried to saturated. In summary, tenofovir was relatively persistent in soils, there were no extractable transformation products detected, and the response of [adenine-8-(14)C]-tenofovir mineralization to soil temperature and heat sterilization indicated that the molecule was biodegraded by aerobic microorganisms. Sorption isotherms with dewatered biosolids suggested that tenofovir residues could potentially partition into the particulate fraction during sewage treatment.
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Casscells SW, Granger E, Kress AM, Linton A. The association between oseltamivir use and adverse neuropsychiatric outcomes among TRICARE beneficiaries, ages 1 through 21 years diagnosed with influenza. Int J Adolesc Med Health 2010; 21:79-89. [PMID: 19526698 DOI: 10.1515/ijamh.2009.21.1.79] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
UNLABELLED Recent reports out of Japan have linked therapeutic use of the oral neuraminidase inhibitor oseltamivir with adverse neuropsychiatric outcomes in adolescents. OBJECTIVE To assess if protective measures should be taken to mitigate potential adverse outcomes among United States Department of Defense (DoD) pediatric beneficiaries who are prescribed oseltamivir therapeutically. STUDY GROUP DoD healthcare beneficiaries, ages 1 through 21 years, who received a diagnosis of influenza from 1 October 2006 through 30 September 2007. METHODS A retrospective cohort study using electronic healthcare service and pharmacy fill. Cross tabulations and propensity-adjusted logistic regression analyses were performed to compare the frequency of adverse neuropsychiatric outcomes among those treated therapeutically with oseltamivir with those that were not. RESULTS The prevalences of neuropsychiatric diagnoses following the influenza diagnosis overall and among the treated and untreated groups were 3.5%, 3.0%, and 3.8%, respectively (p < .05). A statistically significant protective effect was associated with oseltamivir treatment (prevalence odds ratio (POR) = 0.82 (95% CI, 0.69, 0.96)) in a propensity-adjusted regression model. The model significantly associated increasing patient age with the likelihood of an adverse neuropsychiatric outcome, but the associations with patient gender and parental rank, a proxy used for socioeconomic status, were not statistically Significant. CONCLUSIONS Our retrospective study found no evidence that oseltamivir treatment for influenza increased the risk of adverse neuropsychiatric outcomes among the study population. An additional study focusing on prospective medical surveillance of influenza patients is warranted.
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Affiliation(s)
- S Ward Casscells
- TRICARE Management Activity, 5111 Leesburg Pike, Suite 810, Fall Church VA, 22041-3206, USA
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Ghosh GC, Nakada N, Yamashita N, Tanaka H. Occurrence and fate of oseltamivir carboxylate (Tamiflu) and amantadine in sewage treatment plants. CHEMOSPHERE 2010; 81:13-17. [PMID: 20692015 DOI: 10.1016/j.chemosphere.2010.07.023] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2010] [Revised: 07/14/2010] [Accepted: 07/14/2010] [Indexed: 05/27/2023]
Abstract
We investigated the occurrence and fate of the two antiviral drugs oseltamivir carboxylate (OC)-the active metabolite of Tamiflu-and amantadine (AMT) at three sewage treatment plants (STPs) during the 2008-2009 and 2009-2010 influenza seasons in Japan. Both compounds were detected in all samples analyzed. The concentrations in raw influents at the STPs ranged from 140 to 460 ng L(-1) OC and from 184 to 538 ng L(-1) AMT. Primary treatment gave no substantial removal of the drugs (OC, 2-9%; AMT, 7-17%). Biological nutrient-removal-based secondary treatment (anoxic-oxic-anoxic-oxic and anaerobic-anoxic-oxic) removed 20-37% of OC, whereas extended-aeration-based conventional activated sludge treatment removed <20%. STPs using primary plus biological secondary treatment removed <50% of the drugs. The incorporation of tertiary treatment by ozonation removed >90%. Ozonation after secondary treatment in STPs will be necessary during an influenza pandemic to reduce the risks associated with the widespread use of antiviral drugs.
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Affiliation(s)
- Gopal Chandra Ghosh
- Research Centre for Environmental Quality Management, Kyoto University, 1-2 Yumihama, Otsu, Shiga 520-0811, Japan.
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