FORMULATION AND CHARACTERIZATION OF TIMOLOL MALEATE-LOADED NANOPARTICLES GEL BY IONIC GELATION METHOD USING CHITOSAN AND SODIUM ALGINATE

RISA  AHDYANI; LARAS  NOVITASARI; RONNY  MARTIEN; RETNO  DANARTI

doi:10.22159/ijap.2019v11i6.34983

Authors

RISA AHDYANI Departement of Pharmaceutics, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, D. I. Yogyakarta 55281, Indonesia, Department of Pharmaceutics, Faculty of Pharmacy, Universitas Muhammadiyah Banjarmasin, Kalimantan Selatan, 70114, Indonesia
LARAS NOVITASARI Departement of Pharmaceutics, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, D. I. Yogyakarta 55281, Indonesia
RONNY MARTIEN Departement of Pharmaceutics, Faculty of Pharmacy, Universitas Gadjah Mada, Sekip Utara, D. I. Yogyakarta 55281, Indonesia
RETNO DANARTI Department of Dermatology and Venereology, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Farmako Sekip Utara, D. I. Yogyakarta 55281, Indonesia

DOI:

https://doi.org/10.22159/ijap.2019v11i6.34983

Keywords:

Timolol maleate, Nanoparticles, Infantile hemangioma

Abstract

Objective: The objectives of this study were to formulate and characterize nanoparticles gel of timolol maleate (TM) by ionic gelation method using chitosan (CS) and sodium alginate (SA).

Methods: Optimization was carried out by factorial design using Design Expert^®10.0.1 software to obtain the concentration of CS, SA, and calcium chloride (CaCl₂) to produce the optimum formula of TM nanoparticles. The optimum formula was characterized for particle size, polydispersity index, entrapment efficiency, Zeta potential, and molecular structure. Hydroxy Propyl Methyl Cellulose (HPMC) K15 was incorporated into optimum formula to form nanoparticles gel of TM and carried out in vivo release study using the Franz Diffusion Cell.

Results: TM nanoparticles was successfully prepared with concentration of CS, SA, and CaCl₂of 0.01 % (w/v), 0.1 % (w/v), and 0.25 % (w/v), respectively. The particle size, polydispersity index, entrapment efficiency, and Zeta potential were found to be 200.47±4.20 nm, 0.27±0.0154, 35.23±4.55 %, and-5.68±1.80 mV, respectively. The result of FTIR spectra indicated TM-loaded in the nanoparticles system. In vitro release profile of TM-loaded nanoparticles gel showed controlled release and the Korsmeyer-Peppas model was found to be the best fit for drug release kinetics.

Conclusion: TM-loaded CS/SA nanoparticles gel was successfully prepared and could be considered as a promising candidate for controlled TM delivery of infantile hemangioma treatment.

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