Fabrication of levofloxacin-loaded ph-sensitive eudragit polymeric floating microballoon biomaterial for gastroretentive drug delivery

Manivasakam  Prakash; Venkateswaramurthy  Nallasamy; Senthil  Venkatachalam

doi:10.69857/joapr.v13i1.829

Authors

Manivasakam Prakash J.K.K. Nattaraja College of Pharmacy, Namakkal-638183, Tamil Nadu, India
Venkateswaramurthy Nallasamy J.K.K. Nattaraja College of Pharmacy, Namakkal-638183, Tamil Nadu, India
Senthil Venkatachalam J.K.K. Nattaraja College of Pharmacy, Namakkal-638183, Tamil Nadu, India

DOI:

https://doi.org/10.69857/joapr.v13i1.829

Keywords:

Levofloxacin, biomaterial, gastroretentive delivery, emulsion solvent diffusion method, microballoons, H. pylori

Abstract

Background: The design of improved biomaterials for medication administration is vital in overcoming problems associated with standard therapy for Helicobacter pylori (H. pylori)-induced stomach ulcers. This study aims to develop and characterize floating biomaterial of levofloxacin microballoon biomaterials based on a fluoroquinolone-benzoxazine system conjugated with methylated piperazine and carboxylic acid groups, strategically designed for prolonged gastric delivery. Methodology: Using the emulsion solvent diffusion method, thirteen preparations were developed by different polymer ratios (pH-sensitive Eudragit RS-100 and Ethyl Cellulose), stirring speeds, and temperatures. Results and Discussion: In the buoyancy study simulated gastric fluid (pH 1.2), the best formulation (F9) shows superior encapsulation efficiency (90.2%) and sustained drug release profile (91.2% over 8 hours) that increases its effectiveness against H. pylori. FTIR and SEM analyses conducted during characterization studies verified the drug stability and the spherical microballoon morphology, with a particle size of 81.2 µm. Levofloxacin-loaded microballoon biomaterials provide a unique gastro-retentive delivery system that improves patient compliance, reduces off-target effects, and maintains effective drug concentrations at the infection site, thereby strengthening the therapeutic efficacy of levofloxacin against H. pylori. Conclusion: This creative method offers a viable substitute for traditional therapies for stomach ulcers and is consistent with the overarching objectives of targeted delivery systems and structure-based drug development.

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