The study introduced a new therapeutic agent, fucoidan, which can offer potential medical
treatments including anti-inflammatory and anti-coagulant activities, as well as anti-proliferative effects
on cancer cells. Fucoidan was included in sustained release formulations expected for an effective
plasma drug concentration for approximately 24 h. The matrices based on the two polymers hydroxypropyl
methycellulose (HPMC) and polyethylene oxide (PEO) were prepared with various ratios
between the polymers and fucoidan. The dissolution profiles of various matrix tablets performed in enzyme-
free simulated intestinal fluid (pH 6.8) for 24 h indicated a higher potential of PEO-based matrix
tablets in sustaining release of fucoidan. The swelling and erosion of the tablets were also characterized
to elucidate the difference among those dissolution profiles.
Keywords: Fucoidan, hydroxypropyl methycellulose, polyethylene oxide, sustained drug release.
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