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França AP, Silva TA, Schulz D, Gomes-Pereira L, Cunha LMA, Gonçalves MP, Vieira JVS, Sanches MP, Koehler N, Maluf S, Poli A, da Silva-Santos JE, Assreuy J, Lemos-Senna E. Pharmacokinetics, biodistribution, and in vivo toxicity of 7-nitroindazole loaded in pegylated and non-pegylated nanoemulsions in rats. Eur J Pharm Sci 2024; 194:106695. [PMID: 38191063 DOI: 10.1016/j.ejps.2024.106695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/15/2023] [Accepted: 01/06/2024] [Indexed: 01/10/2024]
Abstract
Sepsis is a life-threatening condition caused by a dysregulated host response to infection. The development of sepsis is associated with excessive nitric oxide (NO) production, which plays an important role in controlling vascular homeostasis. 7-nitroindazole (7-NI) is a selective inhibitor of neuronal nitric oxide synthase (NOS-1) with potential application for treating NO imbalance conditions. However, 7-NI exhibits a low aqueous solubility and a short plasma half-life. To circumvent these biopharmaceutical limitations, pegylated (NEPEG7NI) and non-pegylated nanoemulsions (NENPEG7NI) containing 7-NI were developed. This study evaluates the pharmacokinetic profiles and toxicological properties of 7-NI loaded into the nanoemulsions. After a single intravenous administration of the free drug and the nanoemulsions at a dose of 10 mg.kg-1 in Wistar rats, 7-NI was widely distributed in the organs. The pharmacokinetic parameters of Cmax, t1/2, and AUC0-t were significantly increased after administration of the NEPEG7NI, compared to both free 7-NI and NENPEG7NI (p < 0.05). No observable adverse effects were observed after administering the free 7-NI, NEPEG7NI, or NENPEG7NI in the animals after a single dose of up to 3.0 mg.kg-1. The results indicated that 7-NI-loaded nanoemulsions are safe, constituting a promising approach to treating sepsis.
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Affiliation(s)
- Angela Patricia França
- Pharmacy Graduate Program, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil.
| | - Thais Alves Silva
- Pharmacy Graduate Program, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Daniela Schulz
- Pharmacy Graduate Program, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Leonardo Gomes-Pereira
- Pharmacology Graduate Program, Department of Pharmacology, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Livia Melo Arruda Cunha
- Pharmacology Graduate Program, Department of Pharmacology, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Merita Pereira Gonçalves
- Pharmacology Graduate Program, Department of Pharmacology, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - João Victor Soares Vieira
- Pharmacy Graduate Program, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Mariele Paludetto Sanches
- Pharmacy Graduate Program, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Natalia Koehler
- Citogenetics and Genomic Stability Laboratory, University Hospital Polydoro Ernani de São Thiago, Federal University of Santa Catarina, Florianopolis, SC, 88040-900, Brazil
| | - Sharbel Maluf
- Citogenetics and Genomic Stability Laboratory, University Hospital Polydoro Ernani de São Thiago, Federal University of Santa Catarina, Florianopolis, SC, 88040-900, Brazil
| | - Anicleto Poli
- Pharmacology Graduate Program, Department of Pharmacology, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - José Eduardo da Silva-Santos
- Pharmacology Graduate Program, Department of Pharmacology, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Jamil Assreuy
- Pharmacology Graduate Program, Department of Pharmacology, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil
| | - Elenara Lemos-Senna
- Pharmacy Graduate Program, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Campus Trindade, Florianópolis, SC, 88040-900, Brazil.
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Gomes-Pereira L, da Silva-Santos JE. Adipokines and Metabolic Syndrome: Pluripotent Markers for a Complex Relationship? Am J Hypertens 2022; 35:306-308. [PMID: 34849548 DOI: 10.1093/ajh/hpab184] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 11/25/2021] [Indexed: 11/13/2022] Open
Affiliation(s)
- Leonardo Gomes-Pereira
- Laboratory of Cardiovascular Biology, Department of Pharmacology, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - José Eduardo da Silva-Santos
- Laboratory of Cardiovascular Biology, Department of Pharmacology, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
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