TY  - JOUR
AU  - Račić, Andjelka
AU  - Čalija, Bojan
AU  - Milić, Jela
AU  - Jurišić Dukovski, Bisera
AU  - Lovrić, Jasmina
AU  - Dobričić, Vladimir
AU  - Micov, Ana
AU  - Vuković, Milja
AU  - Stepanović-Petrović, Radica
AU  - Krajišnik, Danina
PY  - 2021
UR  - https://farfar.pharmacy.bg.ac.rs/handle/123456789/3938
AB  - The aim of this work was the formulation and the comprehensive evaluation of the viscous eye drops using vehicles containing medium chain chitosan (0.5% w/v), hydroxypropyl guar gum (0.25% w/v) and their com-bination as carriers for olopatadine (0.1% w/v). Physicochemical properties (appearance, clarity, pH, osmolality, viscosity and drug content) of the tested formulations were within acceptable ranges for the ophthalmic prep-arations, while DSC and FT-IR techniques demonstrated the compatibility between olopatadine and polymers. The drug permeability was successfully estimated in vitro using both HCE-T cell-based models (Model I and Model II) and the parallel artificial membrane permeability assay (PAMPA), considering the impact of chitosan as a permeation enhancer. The MTT cytotoxicity assay demonstrates that the tested formulations (diluted 10-fold in HBSS pH 5.5) were non-toxic and well tolerated. An ocular itch test on mice was carried out with the formulation containing the combination of polymers comparable with a commercially available olopatadine eye drops without viscosity enhancers. The tested eye drops produced a slightly higher anti-pruritic/analgesic-like effect than the commercial preparation. It could be assumed that the use of this viscous ophthalmic vehicle due to its advanced mucoadhesive properties and good safety profile is a feasible strategy to improve the efficacy of olopatadine.
PB  - Elsevier B.V.
T2  - European Journal of Pharmaceutical Sciences
T1  - Formulation of olopatadine hydrochloride viscous eye drops – physicochemical, biopharmaceutical and efficacy assessment using in vitro and in vivo approaches
VL  - 166
DO  - 10.1016/j.ejps.2021.105906
ER  - 

@article{
author = "Račić, Andjelka and Čalija, Bojan and Milić, Jela and Jurišić Dukovski, Bisera and Lovrić, Jasmina and Dobričić, Vladimir and Micov, Ana and Vuković, Milja and Stepanović-Petrović, Radica and Krajišnik, Danina",
year = "2021",
abstract = "The aim of this work was the formulation and the comprehensive evaluation of the viscous eye drops using vehicles containing medium chain chitosan (0.5% w/v), hydroxypropyl guar gum (0.25% w/v) and their com-bination as carriers for olopatadine (0.1% w/v). Physicochemical properties (appearance, clarity, pH, osmolality, viscosity and drug content) of the tested formulations were within acceptable ranges for the ophthalmic prep-arations, while DSC and FT-IR techniques demonstrated the compatibility between olopatadine and polymers. The drug permeability was successfully estimated in vitro using both HCE-T cell-based models (Model I and Model II) and the parallel artificial membrane permeability assay (PAMPA), considering the impact of chitosan as a permeation enhancer. The MTT cytotoxicity assay demonstrates that the tested formulations (diluted 10-fold in HBSS pH 5.5) were non-toxic and well tolerated. An ocular itch test on mice was carried out with the formulation containing the combination of polymers comparable with a commercially available olopatadine eye drops without viscosity enhancers. The tested eye drops produced a slightly higher anti-pruritic/analgesic-like effect than the commercial preparation. It could be assumed that the use of this viscous ophthalmic vehicle due to its advanced mucoadhesive properties and good safety profile is a feasible strategy to improve the efficacy of olopatadine.",
publisher = "Elsevier B.V.",
journal = "European Journal of Pharmaceutical Sciences",
title = "Formulation of olopatadine hydrochloride viscous eye drops – physicochemical, biopharmaceutical and efficacy assessment using in vitro and in vivo approaches",
volume = "166",
doi = "10.1016/j.ejps.2021.105906"
}

Račić, A., Čalija, B., Milić, J., Jurišić Dukovski, B., Lovrić, J., Dobričić, V., Micov, A., Vuković, M., Stepanović-Petrović, R.,& Krajišnik, D.. (2021). Formulation of olopatadine hydrochloride viscous eye drops – physicochemical, biopharmaceutical and efficacy assessment using in vitro and in vivo approaches. in European Journal of Pharmaceutical Sciences
Elsevier B.V.., 166.
https://doi.org/10.1016/j.ejps.2021.105906

Račić A, Čalija B, Milić J, Jurišić Dukovski B, Lovrić J, Dobričić V, Micov A, Vuković M, Stepanović-Petrović R, Krajišnik D. Formulation of olopatadine hydrochloride viscous eye drops – physicochemical, biopharmaceutical and efficacy assessment using in vitro and in vivo approaches. in European Journal of Pharmaceutical Sciences. 2021;166.
doi:10.1016/j.ejps.2021.105906 .

Račić, Andjelka, Čalija, Bojan, Milić, Jela, Jurišić Dukovski, Bisera, Lovrić, Jasmina, Dobričić, Vladimir, Micov, Ana, Vuković, Milja, Stepanović-Petrović, Radica, Krajišnik, Danina, "Formulation of olopatadine hydrochloride viscous eye drops – physicochemical, biopharmaceutical and efficacy assessment using in vitro and in vivo approaches" in European Journal of Pharmaceutical Sciences, 166 (2021),
https://doi.org/10.1016/j.ejps.2021.105906 . .