International journal of pharmaceutics · 2008
Gastroretentive drug delivery system of DA-6034, a new flavonoid derivative, for the treatment of gastritis.
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Jang Sun Woo, Lee Jung Woo, Park Sung Hyun, Kim Jeong Hoon, Yoo Moohi, Na Dong Hee, Lee Kang Choon
Аннотация
A gastroretentive drug delivery system of DA-6034, a new synthetic flavonoid derivative, for the treatment of gastritis was developed by using effervescent floating matrix system (EFMS). The therapeutic limitations of DA-6034 caused by its low solubility in acidic conditions were overcome by using the EFMS, which was designed to cause tablets to float in gastric fluid and release the drug continuously. The release of DA-6034 from tablets in acidic media was significantly improved by using EFMS, which is attributed to the effect of the solubilizers and the alkalizing agent such as sodium bicarbonate used as gas generating agent. DA-6034 EFMS tablets showed enhanced gastroprotective effects in gastric ulcer-induced beagle dogs, indicating the therapeutic potential of EFMS tablets for the treatment of gastritis.