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Tacrolimus-Loaded Solid Lipid Nanoparticle Gel: Formulation Development and In Vitro Assessment for Topical Applications
| Content Provider | MDPI |
|---|---|
| Author | Khan, Abdul Shakur Shah, Kifayat Ullah Mohaini, Mohammed Al Alsalman, Abdulkhaliq J. Hawaj, Maitham A. Al Alhashem, Yousef N. Ghazanfar, Shakira Khan, Kamran Ahmad Niazi, Zahid Rasul Farid, Arshad |
| Copyright Year | 2022 |
| Description | The currently available topical formulations of tacrolimus have minimal and variable absorption, elevated mean disposition half-life, and skin irritation effects resulting in patient noncompliance. In our study, we fabricated tacrolimus-loaded solid lipid nanoparticles (SLNs) that were converted into a gel for improved topical applications. The SLNs were prepared using a solvent evaporation method and characterized for their physicochemical properties. The particle size of the SLNs was in the range of 439 nm to 669 nm with a PDI of ≤0.4, indicating a monodispersed system. The Zeta potential of uncoated SLNs (F1–F5) ranged from −25.80 to −15.40 mV. Those values reverted to positive values for chitosan-decorated formulation (F6). The drug content and entrapment efficiency ranged between 0.86 ± 0.03 and 0.91 ± 0.03 mg/mL and 68.95 ± 0.03 and 83.68 ± 0.04%, respectively. The pH values of 5.45 to 5.53 depict their compatibility for skin application. The surface tension of the SLNs decreased with increasing surfactant concentration that could increase the adherence of the SLNs to the skin. The release of drug from gel formulations was significantly retarded in comparison to their corresponding SLN counterparts (p ≤ 0.05). Both SLNs and their corresponding gel achieved the same level of drug permeation, but the retention of the drug was significantly improved with the conversion of SLNs into their corresponding gel formulation (p ≤ 0.05) due to its higher bioadhesive properties. |
| Starting Page | 129 |
| e-ISSN | 23102861 |
| DOI | 10.3390/gels8020129 |
| Journal | Gels |
| Issue Number | 2 |
| Volume Number | 8 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-02-18 |
| Access Restriction | Open |
| Subject Keyword | Gels Pharmacology and Pharmacy Tacrolimus Chitosan Solid Lipid Nanoparticles Gel Topical Drug Delivery |
| Content Type | Text |
| Resource Type | Article |
