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Arcoverde KN, Alves LDSA, Cavalcante JM, Maranhão ACPDM, Jurema AP, Araújo-Silva G, Urizar JTP, de Paula VV. Pharmacotherapeutic monitoring of dipyrone in northeastern Brazilian donkeys (Equus asinus). Res Vet Sci 2023; 164:105034. [PMID: 37820460 DOI: 10.1016/j.rvsc.2023.105034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/31/2023] [Accepted: 09/29/2023] [Indexed: 10/13/2023]
Abstract
This study aimed to monitor the effects of dipyrone following multiple administrations in northeastern donkeys. Ten castrated male donkeys, aged 6.4 ± 3 years and weighing 130.6 ± 9.8 kg, were administered dipyrone (25 mg/kg IV) every 12 h, resulting in six administrations (D1 to D6) per animal. Blood samples were collected over a 72 h monitoring period. A validated UHPLC-MS/MS method was employed to determine the plasma concentrations of the 4- methylaminoantipyrine (4-MAA) and 4-aminoantipyrine (4-AA). The calculated pharmacokinetic variables of 4-MAA after D1 and D6 were, respectively: Cmax (μg/mL) = 163.60 ± 179.72 and 178.79 ± 196.94; T1/2beta (h) = 2.65 ± 0.65 and 3.37 ± 1.03; and AUC0-t (μg/mL × h) = 240.38 ± 130.87 and 373.52 ± 78.85. The same variables for 4-AA were: Cmax, (μg/mL) = 0.44 ± 0.27 and 0.90 ± 0.31, T1/2beta (h) = 14.77 ± 13.13 and 35.97 and AUC0-t (μg/mL × h) = 3.20 ± 0.43 and 27.73 ± 11.99. Concentrations of 4-MAA exceeded the minimum concentration required for 50% inhibition of cyclooxygenases 1 and 2. However, an accumulation of 4-AA, was observed. Further clinical studies are necessary to ascertain the implications of these findings on the pharmacodynamic response to dipyrone in northeastern donkeys.
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Affiliation(s)
- Kathryn Nóbrega Arcoverde
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, 572, Rua Francisco Mota, Presidente Costa e Silva, Mossoró, RN 59.625-900, Brazil
| | - Larissa de Sant Ana Alves
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, 572, Rua Francisco Mota, Presidente Costa e Silva, Mossoró, RN 59.625-900, Brazil
| | - Jerson Marques Cavalcante
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, 572, Rua Francisco Mota, Presidente Costa e Silva, Mossoró, RN 59.625-900, Brazil
| | | | - Artur Pereira Jurema
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, 572, Rua Francisco Mota, Presidente Costa e Silva, Mossoró, RN 59.625-900, Brazil
| | - Gabriel Araújo-Silva
- Universidade do Estado do Amapá, 650, Avenida Presidente Vargas, Centro, Macapá, AP 68.900-070, Brazil
| | - José Trinidad Pérez Urizar
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, 6, Avenida Doutor Manuel Nava, Zona Universitaria, San Luis, SLP 78210, Mexico
| | - Valéria Veras de Paula
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, 572, Rua Francisco Mota, Presidente Costa e Silva, Mossoró, RN 59.625-900, Brazil.
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