Journals / Turkish Journal of Pharmaceutical Sciences / 2010 / Cilt: 7 - Sayı: 3

Transdermal yolla sotalol verilişi: In vitro ve ex vivo çalışmalar

Transdermal delivery of sotalol: In vitro and ex vivo studies

Pages
255–266
DOI
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⚡ TL;DR(Too Long; Didn't Read)

Obtained results showed that films containing RS100 polymer gave higher degrees of swelling accompanied with higher in vitro release rates of drug that could attributed to the higher permeability of this polymer.

📌 3 Key Takeaways

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Objective & Hypothesis:The purpose of this study is to investigate in vitro release and ex vivo transdermal penetration of sotalol from monolithic films prepared by Eudragit E100 (E100) combined with Eudragit RS100 (RS100) or ethyl cellulose (EC) prepared onto a PVA backing membrane by solvent casting method.
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Key Findings & Data:Obtained results showed that films containing RS100 polymer gave higher degrees of swelling accompanied with higher in vitro release rates of drug that could attributed to the higher permeability of this polymer.
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Conclusion & Impact:The skin penetration of sotalol from this film with application of 0.5 mA/cm2 direct current for three hours was found two fold higher than pre-treatment for two hours of 5 % w/w DMSO in ethanol and best fitted to Higuchi kinetic
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The purpose of this study is to investigate in vitro release and ex vivo transdermal penetration of sotalol from monolithic films prepared by Eudragit E100 (E100) combined with Eudragit RS100 (RS100) or ethyl cellulose (EC) prepared onto a PVA backing membrane by solvent casting method. Film properties were evaluated by means of uniformity of the films, which was evidenced by the low standard deviations of thickness and drug amount studies as well as high sotalol contents. In vitro and ex vivo release studies were carried out by vertical Franz diffusion cells. Ex vivo skin penetration of drug was modified by either dimethyl sulphoxide (DMSO) or iontophoresis. Obtained results showed that films containing RS100 polymer gave higher degrees of swelling accompanied with higher in vitro release rates of drug that could attributed to the higher permeability of this polymer. In vitro release of drug from the films was found slower with E100 and EC combination, which best fitted to the Higuchi as well as Korsmeyer-Peppas kinetics. The skin penetration of sotalol from this film with application of 0.5 mA/cm2 direct current for three hours was found two fold higher than pre-treatment for two hours of 5 % w/w DMSO in ethanol and best fitted to Higuchi kinetic

Özet

Bu çalsmann amacı Eudragit E100 (E100) ile Eudragit RS100 (RS100) veya etil selüloz (ES) kombine edilerek PVA sırt materyali üzerinde çözücü uçurma yöntemiyle hazırlanan tek tabakal filmlerden sotalol in vitro salminn ve ex vivo transdermal penetrasyonun incelenmesidir. Film özellikleri filmlerin homojenliği ile değerlendirilmiş, kalnlık ve etkin madde miktar tayini sonuçlarna ait standart sapma degerlerinin küçük ve miktar tayini sonuçlarinn yüksek oluşu ile kantlanmistır. In vitro ve ex vivo salm çalsmalari dikey Franz hücreleri ile yapılmistır. Etkin maddenin deriden penetrasyonu dimetil sülfpksit (DMSO) veya iyontoforez ile modifiye edilmiştir. Elde edilen sonuçlar, RS 100 polimeri içeren filmlerin daha yüksek şişme degerleri ile birlikte bu polimerin daha yüksek geçirgenliğe sahip olmasına bağlanabilen daha hızl salm verdiğini göstermiştir. E100 ve EC kombinasyonu ile filmlerden in vitro etkin madde salmı yavaşlamis, Higuchi `ye olduğu gibi Korsmeyer-Peppas kinetigine de yüksek uyumlu bulunmuştur. Bu filmden üç saatlik 0.5 mA/cm2doğrudan akım uygulanması ile sotalolün deriden penetrasyonu 5% a/a etanol içindeki DMSO `nun iki saatlik ön uygulamasına göre iki kat artmis ve en iyi Higuchi kinetiğine uyumlu bulunmuştur.

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Cite This Article

İNAL, Ö., YAPAR, A. E., BAYKARA, T. (2010). Transdermal yolla sotalol verilişi: In vitro ve ex vivo çalışmalar. Turkish Journal of Pharmaceutical Sciences, Cilt: 7 - Sayı: 3, 255–266. https://ajindex.com/articles/403814

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