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Topical anesthesia therapy using lidocaine-loaded nanostructured lipid carriers: tocopheryl polyethylene glycol 1000 succinate-modified transdermal delivery system.
Drug Des Devel Ther 2018; 12:4231-4240DD

Abstract

Purpose

Transdermal drug delivery of local anesthetics using lipid nanoparticles could enhance lipophilic drugs permeation through the stratum corneum, improve drug diffusion to deeper skin, and exert good therapeutic effects. The purpose of this study was to engineer a Tocopheryl Polyethylene Glycol 1000 Succinate (TPGS)-modified cationic nanostructured lipid carriers (NLC) for the delivery of lidocaine (LID; TPGS/LID-NLC).

Materials and methods

TPGS/LID-NLC was prepared by solvent diffusion method. The particle size, polydispersity index, zeta potential, drug entrapment efficiency, drug loading, stability, drug release, and cytotoxicity were tested to evaluate the basic characters of NLC. In vitro skin permeation and in vivo anesthesia effect in an animal model were further investigated to determine the therapeutic efficiency of the system.

Results

TPGS/LID-NLC had a particle size of 167.6±4.3 nm, a zeta potential of +21.2±2.3 mV, an entrapment efficiency of 85.9%±3.1%, and a drug loading of 11.5%±0.9%. A sustained release pattern was achieved by TPGS/LID-NLC, with 81.2% of LID released at 72 hours. In vitro permeation study showed that the steady-state fluxes (Jss), permeability coefficient (Kp), and cumulative drug permeation Qn at 72 hours (Q72) of TPGS/LID-NLC were 15.6±1.8 µg/cm2/hour, 10.3±0.9 cm/hour (×10-3), and 547.5±23.6 µg/cm2, respectively, which were significantly higher than the nonmodified NLC and free drug groups. In vivo anesthesia effect of TPGS/LID-NLC was the most remarkable and long acting among the formulations tested, which could be concluded by the most considerable maximum possible effect from 10 to 120 minutes during the whole research.

Conclusion

The most prominent in vitro permeation efficiency and in vivo anesthetic effect of TPGS/LID-NLC could be the evidence that TPGS-modified NLC could function as a promising drug delivery system for prolonged and efficient local anesthetic therapy.

Authors+Show Affiliations

Department of Anesthesiology, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, People's Republic of China, sunyingjnmu@163.com.Department of Anesthesiology, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, People's Republic of China, sunyingjnmu@163.com.Department of Anesthesiology, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, People's Republic of China, sunyingjnmu@163.com.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30587919

Citation

Zhao, Xiangju, et al. "Topical Anesthesia Therapy Using Lidocaine-loaded Nanostructured Lipid Carriers: Tocopheryl Polyethylene Glycol 1000 Succinate-modified Transdermal Delivery System." Drug Design, Development and Therapy, vol. 12, 2018, pp. 4231-4240.
Zhao X, Sun Y, Li Z. Topical anesthesia therapy using lidocaine-loaded nanostructured lipid carriers: tocopheryl polyethylene glycol 1000 succinate-modified transdermal delivery system. Drug Des Devel Ther. 2018;12:4231-4240.
Zhao, X., Sun, Y., & Li, Z. (2018). Topical anesthesia therapy using lidocaine-loaded nanostructured lipid carriers: tocopheryl polyethylene glycol 1000 succinate-modified transdermal delivery system. Drug Design, Development and Therapy, 12, pp. 4231-4240. doi:10.2147/DDDT.S187177.
Zhao X, Sun Y, Li Z. Topical Anesthesia Therapy Using Lidocaine-loaded Nanostructured Lipid Carriers: Tocopheryl Polyethylene Glycol 1000 Succinate-modified Transdermal Delivery System. Drug Des Devel Ther. 2018;12:4231-4240. PubMed PMID: 30587919.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Topical anesthesia therapy using lidocaine-loaded nanostructured lipid carriers: tocopheryl polyethylene glycol 1000 succinate-modified transdermal delivery system. AU - Zhao,Xiangju, AU - Sun,Ying, AU - Li,Zhaoguo, Y1 - 2018/12/13/ PY - 2018/12/28/entrez PY - 2018/12/28/pubmed PY - 2019/4/23/medline KW - lidocaine KW - local anesthetics KW - nanostructured lipid carriers KW - tocopheryl succinate KW - transdermal delivery SP - 4231 EP - 4240 JF - Drug design, development and therapy JO - Drug Des Devel Ther VL - 12 N2 - Purpose: Transdermal drug delivery of local anesthetics using lipid nanoparticles could enhance lipophilic drugs permeation through the stratum corneum, improve drug diffusion to deeper skin, and exert good therapeutic effects. The purpose of this study was to engineer a Tocopheryl Polyethylene Glycol 1000 Succinate (TPGS)-modified cationic nanostructured lipid carriers (NLC) for the delivery of lidocaine (LID; TPGS/LID-NLC). Materials and methods: TPGS/LID-NLC was prepared by solvent diffusion method. The particle size, polydispersity index, zeta potential, drug entrapment efficiency, drug loading, stability, drug release, and cytotoxicity were tested to evaluate the basic characters of NLC. In vitro skin permeation and in vivo anesthesia effect in an animal model were further investigated to determine the therapeutic efficiency of the system. Results: TPGS/LID-NLC had a particle size of 167.6±4.3 nm, a zeta potential of +21.2±2.3 mV, an entrapment efficiency of 85.9%±3.1%, and a drug loading of 11.5%±0.9%. A sustained release pattern was achieved by TPGS/LID-NLC, with 81.2% of LID released at 72 hours. In vitro permeation study showed that the steady-state fluxes (Jss), permeability coefficient (Kp), and cumulative drug permeation Qn at 72 hours (Q72) of TPGS/LID-NLC were 15.6±1.8 µg/cm2/hour, 10.3±0.9 cm/hour (×10-3), and 547.5±23.6 µg/cm2, respectively, which were significantly higher than the nonmodified NLC and free drug groups. In vivo anesthesia effect of TPGS/LID-NLC was the most remarkable and long acting among the formulations tested, which could be concluded by the most considerable maximum possible effect from 10 to 120 minutes during the whole research. Conclusion: The most prominent in vitro permeation efficiency and in vivo anesthetic effect of TPGS/LID-NLC could be the evidence that TPGS-modified NLC could function as a promising drug delivery system for prolonged and efficient local anesthetic therapy. SN - 1177-8881 UR - https://www.unboundmedicine.com/medline/citation/30587919/Topical_anesthesia_therapy_using_lidocaine_loaded_nanostructured_lipid_carriers:_tocopheryl_polyethylene_glycol_1000_succinate_modified_transdermal_delivery_system_ L2 - https://dx.doi.org/10.2147/DDDT.S187177 DB - PRIME DP - Unbound Medicine ER -