EFFECT OF QUATERNARY AMMONIUM CARBOXYMETHYLCHITOSAN ON RELEASE RATE IN-VITRO OF ASPIRIN SUSTAINED-RELEASE MATRIX TABLETS

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MENG LINGBIN; TENG ZHONGQIU; ZHENG NANNAN; MENG WEIWEI; DAI RONGJI; DENG YULIN

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Journal: Iranian Journal of Pharmaceutical Research Year:2013 | Volume:12 | Issue:3 Page(s): 221-230

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Title

EFFECT OF QUATERNARY AMMONIUM CARBOXYMETHYLCHITOSAN ON RELEASE RATE IN-VITRO OF ASPIRIN SUSTAINED-RELEASE MATRIX TABLETS

Author(s)

Keywords

CHITOSAN DERIVATIVES

DRUG RELEASE RATE

ASPIRIN

SUSTAINED-RELEASE MATRIX TABLET

Abstract

The aim of this study was to develop a derivative of chitosan as pharmaceutical excipient used in SUSTAINED-RELEASE MATRIX TABLETs of poorly soluble drugs. A water-soluble quaternary ammonium carboxymethylchitosan was synthesized by a two-step reaction with carboxymethylchitosan (CMCTS), decylalkyl dimethyl ammonium and epichlorohydrin. The elemental analysis showed that the target product with 10.27% of the maximum grafting degree was obtained. To assess the preliminary safety of this biopolymer, cell toxicity assay was employed. In order to further investigate quaternary ammonium carboxymethylchitosan application as pharmaceutical excipient, ASPIRIN was chosen as model drug. The effect of quaternary ammonium CMCTS on ASPIRIN release rate from SUSTAINED-RELEASE MATRIX TABLETs was examined by in-vitro dissolution experiments. The results showed that this biopolymer had a great potential in increasing the dissolution of poorly soluble drug. With the addition of CMCTS-CEDA, the final cumulative release rate of drug rose up to 90%. After 12 h, at the grade of 10, 20 and 50 cps, the DRUG RELEASE RATE increased from 58.1 to 90.7%, from 64.1 to 93.9%, from 69.3 to 96.1%, respectively. At the same time, ASPIRIN release rate from sustained release model was found to be related to the amount of quaternary ammonium CMCTS employed. With the increase of CMCTS-CEDA content, the accumulated release rate increased from 69.1% to 86.7%. The mechanism of ASPIRIN release from SUSTAINED-RELEASE MATRIX TABLETs was also preliminary studied to be Fick diffusion. These data demonstrated that the chitosan derivative has positive effect on drug release from SUSTAINED-RELEASE MATRIX TABLETs.

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APA: Copy

MENG, LINGBIN, TENG, ZHONGQIU, ZHENG, NANNAN, MENG, WEIWEI, DAI, RONGJI, & DENG, YULIN. (2013). EFFECT OF QUATERNARY AMMONIUM CARBOXYMETHYLCHITOSAN ON RELEASE RATE IN-VITRO OF ASPIRIN SUSTAINED-RELEASE MATRIX TABLETS. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), 12(3), 221-230. SID. https://sid.ir/paper/288111/en

Vancouver: Copy

MENG LINGBIN, TENG ZHONGQIU, ZHENG NANNAN, MENG WEIWEI, DAI RONGJI, DENG YULIN. EFFECT OF QUATERNARY AMMONIUM CARBOXYMETHYLCHITOSAN ON RELEASE RATE IN-VITRO OF ASPIRIN SUSTAINED-RELEASE MATRIX TABLETS. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR)[Internet]. 2013;12(3):221-230. Available from: https://sid.ir/paper/288111/en

IEEE: Copy

LINGBIN MENG, ZHONGQIU TENG, NANNAN ZHENG, WEIWEI MENG, RONGJI DAI, and YULIN DENG, “EFFECT OF QUATERNARY AMMONIUM CARBOXYMETHYLCHITOSAN ON RELEASE RATE IN-VITRO OF ASPIRIN SUSTAINED-RELEASE MATRIX TABLETS,” IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), vol. 12, no. 3, pp. 221–230, 2013, [Online]. Available: https://sid.ir/paper/288111/en

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