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Nanotechnology approaches for pain therapy through transdermal drug delivery

[ Vol. 21 , Issue. 42 ]

Author(s):

Cristian Peptu, Razvan Rotaru, Leonard Ignat, Andra Cristina Humelnicu, Valeria Harabagiu, Catalina Anisoara Peptu, Maria-Magdalena Leon, Florin Mitu, Elena Cojocaru, Andreea Boca and Bogdan Ionel Tamba   Pages 6125 - 6139 ( 15 )

Abstract:


The paper focuses on the advances in the field of pain treatment by transdermal delivery of specific drugs. Starting from a short description of the skin barrier, the pharmacodynamics and pharmacokinetics including absorption, distribution, action mechanism, metabolism and toxicity, aspects related to the use of pain therapy drugs are further discussed. Most recent results on topical anesthetic agents as well as the methods proved to overcome the skin barrier and to provide efficient delivery of the drug are also discussed. The present review is proposing to summarize the recent literature on the pharmacotherapeutic principles of local anesthetics and non-steroidal anti-inflammatory drugs, generally used to alleviate pain but also the drugs as nanoformulations with potential applications in transdermal delivery. A special attention is given to efficient formulations meant for transdermal penetration enhancement of anesthetics where the drug is encapsulated into macrocyclic molecules (cyclodextrins, cyclodextrin derivatives), liposomes or polymer nanoparticles and hydrogels.

Keywords:

Local anesthetics, NSAID, transdermal, skin, cyclodextrin, liposome, polymer, hydrogel, nanoparticle.

Affiliation:

"Petru Poni" Institute of Macromolecular Chemistry, Aleea Grigore Ghica Voda 41A, 700487 Iasi, Romania



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