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Lipid Nanocapsules Loaded with Prilocaine and Lidocaine and Incorporated in Gel for Topical Application by Priscila Cordeiro Lima Fernandes; Ludmilla David de Moura; Fernando Freitas de Lima; Gustavo Henrique Rodrigues da Silva; Roosevelt Isaias Carvalho Souza; Eneida de Paula is a Pharmacology, Toxicology and Pharmaceutics article available to read on EtoBox.
What is Lipid Nanocapsules Loaded with Prilocaine and Lidocaine and Incorporated in Gel for Topical Application about?
Lipid nanocapsules (LNC) are special drug delivery system (DDS) carriers obtained by the phase-inversion temperature method (PIT). This study describes the encapsulation of the local anesthetics (LA) prilocaine (PLC) and lidocaine (LDC) in lipid nanocapsules (LNC) optimized by 2 factorial design, characterized through DLS, NTA, CRYO-EM and release kinetics and incorporated in carbopol gel (Gel) prior to in vivo anesthetic effect (in mice) evaluation. A very homogeneous population of small (50 nm; polydispersity index = 0.05) spherical nanocapsules with negative zeta potentials (-21 mV) and ca. 2.3 × 10 particles/mL was obtained. The encapsulation efficiency was high (81% and 89% for prilocaine and lidocaine, respectively). The release rate profile was free PLC = free LDC > LNC > Gel. The hybrid system increased (4x) the anesthesia time in comparison to an equipotent gel formulation prepared without LNC. No tissue damage was detected on the tail skin of mice that received the formulations. This study shows that lipid nanocapsules are suitable carriers for PLC and LDC, promoting longer and safer topical anesthesia. Gel is mucoadhesive and suitable for application in the mouth, where
Who reads Lipid Nanocapsules Loaded with Prilocaine and Lidocaine and Incorporated in Gel for Topical Application?
It is typically read by researchers, students, and practitioners in Pharmacology, Toxicology and Pharmaceutics.
- Author
- Priscila Cordeiro Lima Fernandes; Ludmilla David de Moura; Fernando Freitas de Lima; Gustavo Henrique Rodrigues da Silva; Roosevelt Isaias Carvalho Souza; Eneida de Paula
- Publisher
- Elsevier BV
- Published
- 2021
- Language
- EN
- Field
- Pharmacology, Toxicology and Pharmaceutics (Life Sciences)