To prolong the residence time of dosage forms within gastrointestinal  translation - To prolong the residence time of dosage forms within gastrointestinal  Indonesian how to say

To prolong the residence time of do

To prolong the residence time of dosage forms within gastrointestinal trace until all drug released at
desired rate was one of the real challenges for oral controlled-release drug delivery system. Herein, we
developed a fine floating tablet via compression coating of hydrophilic polymer (hydroxypropyl
cellulose) combined with effervescent agent (sodium bicarbonate) to achieve simultaneous control of
release rate and location of ofloxacin. Sodium alginate was also added in the coating layer to regulate the
drug release rate. The effects of the weight ratio of drug and the viscosity of HPC on the release profile
were investigated. The optimized formulations were found to immediately float within 30 s and remain
lastingly buoyant over a period of 12 h in simulated gastric fluid (SGF, pH 1.2) without pepsin, indicating a
satisfactory floating and zero-order drug release profile. In addition, the oral bioavailability experiment in
New Zealand rabbits showed that, the relative bioavailability of the ofloxacin after administrated of
floating tablets was 172.19%, compared to marketed common release tablets TaiLiBiTuo
1
. These results
demonstrated that those controlled-released floating tables would be a promising gastro-retentive
delivery system for drugs acting in stomach.
ã 2015 Published by Elsevier B.V
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To prolong the residence time of dosage forms within gastrointestinal trace until all drug released atdesired rate was one of the real challenges for oral controlled-release drug delivery system. Herein, wedeveloped a fine floating tablet via compression coating of hydrophilic polymer (hydroxypropylcellulose) combined with effervescent agent (sodium bicarbonate) to achieve simultaneous control ofrelease rate and location of ofloxacin. Sodium alginate was also added in the coating layer to regulate thedrug release rate. The effects of the weight ratio of drug and the viscosity of HPC on the release profilewere investigated. The optimized formulations were found to immediately float within 30 s and remainlastingly buoyant over a period of 12 h in simulated gastric fluid (SGF, pH 1.2) without pepsin, indicating asatisfactory floating and zero-order drug release profile. In addition, the oral bioavailability experiment inNew Zealand rabbits showed that, the relative bioavailability of the ofloxacin after administrated offloating tablets was 172.19%, compared to marketed common release tablets TaiLiBiTuo1. These resultsdemonstrated that those controlled-released floating tables would be a promising gastro-retentivedelivery system for drugs acting in stomach.ã 2015 Published by Elsevier B.V
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Results (Indonesian) 2:[Copy]
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Untuk memperpanjang waktu tinggal sediaan dalam jejak gastrointestinal sampai semua obat dirilis pada
tingkat yang diinginkan adalah salah satu tantangan nyata untuk dikendalikan-release sistem pengiriman obat oral. Di sini, kami
mengembangkan tablet mengambang baik melalui lapisan kompresi polimer hidrofilik (hidroksipropil
selulosa) yang dikombinasikan dengan agen effervescent (sodium bicarbonate) untuk mencapai kontrol simultan dari
laju pelepasan dan lokasi ofloksasin. Natrium alginat juga ditambahkan pada lapisan coating untuk mengatur
laju pelepasan obat. Efek dari perbandingan berat obat dan viskositas HPC pada profil rilis
diselidiki. Formulasi dioptimalkan ditemukan segera mengapung dalam waktu 30 s dan tetap
lastingly apung selama periode 12 jam dalam simulasi cairan lambung (SGF, pH 1,2) tanpa pepsin, menunjukkan
memuaskan mengambang dan orde nol profil pelepasan obat. Selain itu, percobaan bioavailabilitas oral di
Selandia Baru kelinci menunjukkan bahwa, bioavailabilitas relatif dari ofloksasin setelah diadministrasikan dari
tablet mengambang adalah 172,19%, dibandingkan dengan dipasarkan tablet rilis umum TaiLiBiTuo
1
. Hasil ini
menunjukkan bahwa meja tersebut mengambang terkendali dirilis akan menjadi gastro-dpt menyimpan menjanjikan
sistem pengiriman obat bertindak dalam perut.
à 2015 Diterbitkan oleh Elsevier
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