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Ilbeigi K, Barata C, Barbosa J, Bertram MG, Caljon G, Costi MP, Kroll A, Margiotta-Casaluci L, Thoré ES, Bundschuh M. Assessing Environmental Risks during the Drug Development Process for Parasitic Vector-Borne Diseases: A Critical Reflection. ACS Infect Dis 2024; 10:1026-1033. [PMID: 38533709 PMCID: PMC11019539 DOI: 10.1021/acsinfecdis.4c00131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 03/15/2024] [Accepted: 03/18/2024] [Indexed: 03/28/2024]
Abstract
Parasitic vector-borne diseases (VBDs) represent nearly 20% of the global burden of infectious diseases. Moreover, the spread of VBDs is enhanced by global travel, urbanization, and climate change. Treatment of VBDs faces challenges due to limitations of existing drugs, as the potential for side effects in nontarget species raises significant environmental concerns. Consequently, considering environmental risks early in drug development processes is critically important. Here, we examine the environmental risk assessment process for veterinary medicinal products in the European Union and identify major gaps in the ecotoxicity data of these drugs. By highlighting the scarcity of ecotoxicological data for commonly used antiparasitic drugs, we stress the urgent need for considering the One Health concept. We advocate for employing predictive tools and nonanimal methodologies such as New Approach Methodologies at early stages of antiparasitic drug research and development. Furthermore, adopting progressive approaches to mitigate ecological risks requires the integration of nonstandard tests that account for real-world complexities and use environmentally relevant exposure scenarios. Such a strategy is vital for a sustainable drug development process as it adheres to the principles of One Health, ultimately contributing to a healthier and more sustainable world.
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Affiliation(s)
- Kayhan Ilbeigi
- Laboratory
of Microbiology, Parasitology and Hygiene, University of Antwerp, 2610 Wilrijk, Belgium
| | - Carlos Barata
- Institute
of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18, 08034 Barcelona, Spain
| | - João Barbosa
- Blue
Growth Research Lab, Ghent University, Bluebridge, Wetenschapspark 1, 8400 Ostend, Belgium
| | - Michael G. Bertram
- Department
of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences, 90187 Umeå, Sweden
- Department
of Zoology, Stockholm University, Svante Arrhenius väg 18b, 114 18 Stockholm, Sweden
- School of
Biological Sciences, Monash University, 25 Rainforest Walk, 3800 Melbourne, Australia
| | - Guy Caljon
- Laboratory
of Microbiology, Parasitology and Hygiene, University of Antwerp, 2610 Wilrijk, Belgium
| | - Maria Paola Costi
- Department
of Life Sciences, University of Modena and
Reggio Emilia, 41125 Modena, Italy
| | - Alexandra Kroll
- Swiss
Centre for Applied Ecotoxicology, CH-8600 Dübendorf, Switzerland
| | - Luigi Margiotta-Casaluci
- Institute
of Pharmaceutical Science, Faculty of Life Sciences & Medicine, King’s College London, WC2R 2LS London, United Kingdom
| | - Eli S.J. Thoré
- Department
of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences, 90187 Umeå, Sweden
- Department
of Zoology, Stockholm University, Svante Arrhenius väg 18b, 114 18 Stockholm, Sweden
- TRANSfarm - Science, Engineering,
& Technology Group, KU
Leuven, 3360 Lovenjoel, Belgium
| | - Mirco Bundschuh
- iES
Landau, Institute for Environmental Sciences,
RPTU Kaiserslautern-Landau, Fortstrasse 7, 76829 Landau, Germany
- Department
of Aquatic Sciences and Assessment, Swedish
University of Agricultural Sciences, Lennart Hjelms väg 9, SWE-75007 Uppsala, Sweden
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Zuskova E, Velisek J. In-feed Praziquantel treatment of grass carp ( Ctenopharyngodon idella) infected with eye flukes. VET MED-CZECH 2024; 69:1-7. [PMID: 38465001 PMCID: PMC10919099 DOI: 10.17221/97/2023-vetmed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 12/05/2023] [Indexed: 03/12/2024] Open
Abstract
Praziquantel (PZQ) is a drug effective against several parasitic diseases of fish caused by Platyhelminthes. The study assesses the efficacy of selected in-feed PZQ doses in eliminating metacercariae Diplostomum pseudospathaceum in grass carp. The fish were infected with D. pseudospathaceum in laboratory conditions and subsequently treated with PZQ at daily doses of 30 (PZQ1), 50 (PZQ2), and 100 (PZQ3) mg/kg bw for seven days. The treatment trial was followed by a 23-day observation period during which the fish were parasitologically examined on days 0, 2, 8 and 23. Smaller fish were infected with a significantly higher (P < 0.05) number of metacercariae than bigger fish among three weight groups as follows: up to 7 g > 7 to 12 g > 12 g. The in-feed PZQ at doses of 30, 50 and 100 mg/kg bw for seven days was 47%, 84% and 88% effective against metacercariae D. pseudospathaceum, respectively. A significant decrease (P < 0.01) in moving and an increase (P < 0.01) in the immotile metacercariae in the eye's lens were recorded in all the trial groups on each sampling day. An increasing proportion of motile metacercariae in the post-treatment observation period was seen in PZQ2 and PZQ3, indicating a decreasing trend in the actual efficacy in an environment with no reinfection possibility.
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Affiliation(s)
- Eliska Zuskova
- South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Vodňany, Czech Republic
| | - Josef Velisek
- South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Vodňany, Czech Republic
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Vokřál I, Podlipná R, Matoušková P, Skálová L. Anthelmintics in the environment: Their occurrence, fate, and toxicity to non-target organisms. CHEMOSPHERE 2023; 345:140446. [PMID: 37852376 DOI: 10.1016/j.chemosphere.2023.140446] [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: 08/09/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/20/2023]
Abstract
Anthelmintics are drugs used for the treatment and prevention of diseases caused by parasitic worms (helminths). While the importance of anthelmintics in human as well as in veterinary medicine is evident, they represent emerging contaminants of the environment. Human anthelmintics are mainly used in tropical and sub-tropical regions, while veterinary anthelmintics have become frequently-occurring environmental pollutants worldwide due to intensive agri- and aquaculture production. In the environment, anthelmintics are distributed in water and soil in relation to their structure and physicochemical properties. Consequently, they enter various organisms directly (e.g. plants, soil invertebrates, water animals) or indirectly through food-chain. Several anthelmintics elicit toxic effects in non-target species. Although new information has been made available, anthelmintics in ecosystems should be more thoroughly investigated to obtain complex knowledge on their impact in various environments. This review summarizes available information about the occurrence, behavior, and toxic effect of anthelmintics in environment. Several reasons why anthelmintics are dangerous contaminants are highlighted along with options to reduce contamination. Negative effects are also outlined.
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Affiliation(s)
- Ivan Vokřál
- Department of Pharmacology and Toxicology, Charles University in Prague, Faculty of Pharmacy, Heyrovského 1203, Hradec Králové, CZ-500 05, Czech Republic
| | - Radka Podlipná
- Laboratory of Plant Biotechnologies, Institute of Experimental Botany, Czech Academy of Sciences, Rozvojová 263, Praha 6, CZ-165 02, Czech Republic.
| | - Petra Matoušková
- Department of Biochemical Sciences, Charles University in Prague, Faculty of Pharmacy, Heyrovského 1203, Hradec Králové, CZ-500 05, Czech Republic
| | - Lenka Skálová
- Department of Biochemical Sciences, Charles University in Prague, Faculty of Pharmacy, Heyrovského 1203, Hradec Králové, CZ-500 05, Czech Republic
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Hou C, Shi T, Wang W, Han M, Pan X, Wang L, Lee DJ. Toxicological sensitivity of protozoa to pesticides and nanomaterials: A prospect review. CHEMOSPHERE 2023; 339:139749. [PMID: 37549748 DOI: 10.1016/j.chemosphere.2023.139749] [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: 05/15/2023] [Revised: 08/04/2023] [Accepted: 08/05/2023] [Indexed: 08/09/2023]
Abstract
Protozoa are sensitive indicators of pollutant toxicity. This review presents and discusses the toxicological studies of protozoa and the toxicological conventional test species (Daphnia magna) by pesticides and nanomaterials, particularly comparing the sensitivity of through relative tolerance analysis, Z-score, and species sensitivity index. The sensitivity of different species of protozoa varies greatly. The protozoa Paramecium sp. and Tetrahymena sp. are not sensitive species; conversely, Urostyla sp. is sensitive to dimethoate and nanomaterials Ag-NPs, respectively ZnO-NPs, and CuO-NPs, fits the use as an indicator species on these substances. The prospects to explore scientific toxicity exposure protocols, expand the protozoan species examined, and screen the sensitive species under the protocols are discussed. This prospect review advances the knowledge for including the sensitive protozoa as an indicator species in comprehensive toxicological analysis for pesticides and nanomaterials.
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Affiliation(s)
- Chunyu Hou
- Laboratory of Protozoa, College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China; Key Laboratory of Biodiversity of Aquatic Organisms, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China
| | - Tianyi Shi
- Laboratory of Protozoa, College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China; Key Laboratory of Biodiversity of Aquatic Organisms, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China
| | - Wenyuan Wang
- Laboratory of Protozoa, College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China; Key Laboratory of Biodiversity of Aquatic Organisms, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China
| | - Mei Han
- Laboratory of Protozoa, College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China; Key Laboratory of Biodiversity of Aquatic Organisms, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China
| | - Xuming Pan
- Laboratory of Protozoa, College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China; Key Laboratory of Biodiversity of Aquatic Organisms, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China
| | - Li Wang
- Laboratory of Protozoa, College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China; Key Laboratory of Biodiversity of Aquatic Organisms, Harbin Normal University, Harbin, Heilongjiang Province, 150025, China.
| | - Duu-Jong Lee
- Department of Mechanical Engineering, City University of Hong Kong, Kowloon Tang, 999077, Hong Kong.
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