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Development of Propranolol Loaded Sln for Transdermal Delivery: In-Vitro Characterization and Skin Deposition Studies Publisher Pubmed



Moghimipour E1 ; Khazali M1 ; Makhmalzadeh BS1 ; Abedini Baghbadorani M2 ; Zangeneh A1 ; Sohrabi S3 ; Nejaddehbashi F4 ; Hajipour F5 ; Handali S6
Authors
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Authors Affiliations
  1. 1. Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  2. 2. Department of Toxicology, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  3. 3. Mechanical Engineering Department, Sharif University of Technology, Tehran, Iran
  4. 4. Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  5. 5. Department of Medicinal Chemistry, Faculty of pharmacy, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Medical Biomaterials Research Center (MBRC), Tehran University of Medical Sciences, Tehran, Iran

Source: Therapeutic Delivery Published:2025


Abstract

Aim: The study aimed to formulate solid lipid nanoparticles (SLNs) for the transdermal delivery of PPL to improve skin retention and efficacy. Materials and method: The particle size distribution of SLNs was determined and the morphology of SLNs was also analyzed by SEM. In-vitro, ex-vivo and in vivo evaluations were done for PPL loaded SLN. The safety of drug delivery systems was assayed using MTT test. Results: The results indicated successful encapsulation of PPL in SLNs (59.38%), which exhibited a spherical shape and smooth surface. Compared to PPL solution, SLNs demonstrated a prolonged drug release profile in vitro. Stability tests over three months showed no significant changes in entrapment efficiency or size distribution. Enhanced permeation through shed snake and rat skin was observed with SLNs compared to the PPL solution. Ex-vivo and in vivo studies confirmed that PPL-loaded SLNs significantly increased drug content in the skin. Importantly, the SLNs displayed biocompatibility, as no significant cytotoxic effects were noted, and they were nonirritating to rat skin. Conclusion: To the best of our knowledge, this is the first study that indicates SLNs can be considered as a promising nanocarriers for transdermal delivery of PPL. © 2025 Informa UK Limited, trading as Taylor & Francis Group.
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