Development and Evaluation of Transdermal Film Containing Solid Lipid Nanoparticles of Rivastigmine Tartrate

Ravi, G.; Gupta, N. Vishal

doi:10.22159/ijap.2017v9i6.22354

Cited by 12 publications

(9 citation statements)

References 14 publications

(14 reference statements)

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“…Meanwhile, ethylcellulose is a hydrophobic polymer that is non-toxic and non-irritant and, when combined with HPMC will produce transdermal patches with better mechanical properties than when a single type of polymer is used. HPMC-EC is a common combination of polymers used in the preparation of transdermal patches and is compatible with a number of drugs [13].…”

Section: Discussionmentioning

confidence: 99%

Formulation and Physical Characterization of Curcumin Nanoparticle Transdermal Patch

et al. 2019

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Objective: This study was conducted to formulate curcumin nanoparticles transdermal patches and to evaluate their physical characterization. Methods: Curcumin nanoparticles transdermal patches were formulated by the casting evaporation method. Transdermal patches were made using combinations of hydroxypropyl methylcellulose (HPMC) and ethyl cellulose (EC) at ratios of 4.5:1.5 for Formula 1 (F1), 4:1 for Formula 2 (F2), 3.5:1.5 for Formula 3 (F3), 3:2 for Formula 4 (F4), and 2.5:2.5 for Formula 5 (F5). Physical characterization evaluation (organoleptic properties, pH, weight uniformity, thickness uniformity, percent moisture content, and tensile strength) was then performed. The permeation of curcumin nanoparticles into the skin was evaluated using Franz diffusion cells. Results: Curcumin nanoparticles transdermal patches could be formulated by the casting evaporation method with the organoleptic properties characterized as smooth, dry, yellow in color, having menthol odor, and transparent. The pH values ranged between 5.0 and 6.0. The thickness of the patches ranged from 0.1 to 0.2 mm. The average of the patches’ weight was 0.7 g, and the percent moisture content ranged from 1.0 to 6.0%. The tensile strength values were 1.0 to 2.0 N/mm. Curcumin nanoparticles could penetrate into the skin with flux values being 1.271 µg. cm-2 (F1), 0.938 µg. cm-2 (F2), 0.775 µg. cm-2 (F3), 0.837 µg. cm-2 (F4), and 0.569 µg. cm-2 (F5). Conclusion: All patches met the requirement of the physical characterization for the transdermal patch.

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Section: Discussionmentioning

confidence: 99%

Formulation and Physical Characterization of Curcumin Nanoparticle Transdermal Patch

et al. 2019

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“…The weight of the film showed a direct relation to the polymer concentration. 69 3.5.4. Thickness of the Film.…”

Section: Measurement Of Water Retentionmentioning

confidence: 99%

Novel Synergistic Approach: Tazarotene-Calcipotriol-Loaded-PVA/PVP-Nanofibers Incorporated in Hydrogel Film for Management and Treatment of Psoriasis

et al. 2023

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Psoriasis is an autoimmune skin disease that generally affects 1%–3% of the total population globally. Effective treatment of psoriasis is limited because of numerous factors, such as ineffective drug delivery and efficacy following conventional pharmaceutical treatments. Nanofibers are widely being used as nanocarriers for effective treatment because of their multifunctional and distinctive properties, including a greater surface area, higher volume ratio, increased elasticity and improved stiffness and resistance to traction, favorable biodegradability, high permeability, and sufficient oxygen supply, which help maintain the moisture content of the skin and improve the bioavailability of the drugs. Similar to the extracellular matrix, nanofibers have a regeneration capacity, promoting cell growth, adhesion, and proliferation, and also have a more controlled release pattern compared with that of other conventional therapies at the psoriatic site. To ensure improved drug targeting and better antipsoriatic efficacy, this study formulated and evaluated a tazarotene (TZT)-calcipotriol (CPT)-loaded nanofiber and carbopol-based hydrogel film. The nanofiber was prepared using electrospinning with a polyvinyl alcohol/polyvinylpyrrolidone (PVA/PVP) K-90 polymeric blend that was later incorporated into a carbopol base to form hydrogel films. The prepared nanofibers were biochemically evaluated and in vitro and in vivo characterized. The mean diameters of the optimized formulation, i.e., TZT-loaded polyvinyl alcohol/polyvinylpyrrolidone nanofiber (TZT-PVA/PVP-NF) and TZT-CPT-loaded polyvinyl alcohol/polyvinylpyrrolidone nanofiber (TZT-CPT-PVA/PVP-NF) were 244.67 ± 58.11 and 252.31 ± 35.50 nm, respectively, as determined by scanning electron microscopy, and their tensile strength ranged from 14.02 ± 0.54 to 22.50 ± 0.03 MPa. X-ray diffraction revealed an increase in the amorphous nature of the nanofibers. The biodegradability studies of prepared nanofiber formulations, irrespective of their composition, showed that these completely biodegraded within 2 weeks of their application. The TZT-CPT-PVA/PVP-NF nanofibers exhibited 95.68% ± 0.03% drug release at the end of 72 h, indicating a controlled release pattern and following Higuchi release kinetics as a best-fit model. MTT assay, antioxidant and lipid profile tests, splenomegaly assessment, and weight fluctuation were all performed in the in vitro as well as in vivo studies. We found that the TZT-CPT-PVA/PVP-NF-based hydrogel film has high potential for antipsoriatic activity in imiquimod-induced Wistar rats in comparison with that of TT-PVA/PVP-NF nanofibers.

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“…The samples were taken during 0,15 wide was fixed between two clamps on one side; weights were added to the pan on another side till the film breaks. The weight required to break the film was taken as a measure of the tensile strength of the patch [22].…”

Section: Tensile Strengthmentioning

confidence: 99%

Preparation and Evaluation of Simvastatin Transdermal Film

et al. 2018

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Objective: The objective of the study was to prepare simvastatin transdermal films for the treatment of atherosclerosis and to evaluate the effect of concentration of polymer on penetration enhancement.Methods: Solvent evaporation technique was employed for the preparation of films and the prepared films were evaluated for various physicochemical properties of films such as tensile strength, thickness, surface pH, swellability, drug content, moisture content and folding endurance. In vitro drug, release study and release kinetics were also studied.Results: Tensile strength ranged from 3.56±0.343 to 4.56±0.12 (N/mm²). The films were of uniform weight. Thickness varied from 0.2±0.3 mm to 0.2±0.8 mm. Surface pH ranged from 6.6±0.14 to 6.9±0.16. Percentage swellability ranged from12.1±0.36 to 16.3±0.22. Percentage drug content ranged from 88.4±0.7% to 90.5±0.6% in all the formulation. Percentage moisture content ranged from 0.864 to 1.03%. Moisture uptake was from 2.6±0.24 to 2.9±0.072. The folding endurance test gave satisfactory results and F3 formulation showed maximum drug release.Conclusion: From the study, it was concluded that out of various formulations, the F3 formulation was found to be the optimum formulation with 88% drug release at the fourteenth hour.Keywords: Simvastatin, Transdermal film, Solvent evaporation, Penetration enhancer, Swellability

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Development and Evaluation of Transdermal Film Containing Solid Lipid Nanoparticles of Rivastigmine Tartrate

Cited by 12 publications

References 14 publications

Formulation and Physical Characterization of Curcumin Nanoparticle Transdermal Patch

Formulation and Physical Characterization of Curcumin Nanoparticle Transdermal Patch

Novel Synergistic Approach: Tazarotene-Calcipotriol-Loaded-PVA/PVP-Nanofibers Incorporated in Hydrogel Film for Management and Treatment of Psoriasis

Preparation and Evaluation of Simvastatin Transdermal Film

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