Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Tween 80-Based Self-Assembled Mixed Micelles Boosted Valsartan Transdermal Delivery

Version 1 : Received: 27 October 2023 / Approved: 30 October 2023 / Online: 30 October 2023 (11:44:00 CET)

A peer-reviewed article of this Preprint also exists.

Yassin, A.E.B.; Massadeh, S.; Alshwaimi, A.A.; Kittaneh, R.H.; Omer, M.E.; Ahmad, D.; Aodah, A.H.; Shakeel, F.; Halwani, M.; Alanazi, S.A.; Alam, P. Tween 80-Based Self-Assembled Mixed Micelles Boost Valsartan Transdermal Delivery. Pharmaceuticals 2024, 17, 19. Yassin, A.E.B.; Massadeh, S.; Alshwaimi, A.A.; Kittaneh, R.H.; Omer, M.E.; Ahmad, D.; Aodah, A.H.; Shakeel, F.; Halwani, M.; Alanazi, S.A.; Alam, P. Tween 80-Based Self-Assembled Mixed Micelles Boost Valsartan Transdermal Delivery. Pharmaceuticals 2024, 17, 19.

Abstract

Valsartan (Val) is an important antihypertensive medication with side effects such as dizziness and angioedema. These constraints are due to the low oral bioavailability and relatively short half-life. The goal here is to incorporate Val into a mixed micelles system that can enhance transdermal delivery. Thin-film hydration and micro-phase separation were used to produce Val-loaded mixed micelle systems. A variety of factors, including surfactant type and drug-to-surfactant ratio, were optimized to produce micelles with low size and high Val entrapment efficiency (EE). The size, polydispersity index (PDI), zeta-potential, and drug entrapment efficiency of the prepared micelles were all measured. The drug release profiles in vitro were assessed using dialysis bags, and the permeation through abdominal rat skin was assessed using a Franz diffusion cell. All formulations had high EE levels exceeding 90% and low particle charges. The micellar sizes ranged from 107.6 to 191.7nm, with average PDI values of 0.3. The in vitro release demonstrated a uniform slow rate that lasted one week with varying extents. F7 demonstrated a significant (P < 0.01) transdermal efflux of 68.84 ± 3.96 µg/cm2/h through rat skin when compared to the control. As a result, the enhancement factor was 16.57. Val-loaded mixed micelles were successfully prepared using two simple methods with high reproducibility, and extensive transdermal delivery was demonstrated in the absence of any aggressive skin modifying enhancers.

Keywords

Valsartan; Thin-film Hydration; Franz Diffusion Cell; Tween 80

Subject

Medicine and Pharmacology, Pharmacy

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