Time and Site Specific ¿Tablets in Capsule
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The objective of present work was to develop a "tablets in capsule" system for facilitating both immediate and pulsatile drug deliveries of theophylline to mimic the circadian rhythm of nocturnal asthma. The system comprised of capsule filled with two tablets, first pulse and second pulse tablet prepared by wet granulation method. First pulse tablet was not coated and was responsible for providing loading dose whereas; second pulse tablet was coated with Eudragit L100 and Eudragit S100 to release drug in colon after specific lag time. Two independent variables, amount of polymers and coating…mehr

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Produktbeschreibung
The objective of present work was to develop a "tablets in capsule" system for facilitating both immediate and pulsatile drug deliveries of theophylline to mimic the circadian rhythm of nocturnal asthma. The system comprised of capsule filled with two tablets, first pulse and second pulse tablet prepared by wet granulation method. First pulse tablet was not coated and was responsible for providing loading dose whereas; second pulse tablet was coated with Eudragit L100 and Eudragit S100 to release drug in colon after specific lag time. Two independent variables, amount of polymers and coating thickness, were optimized by 32 full factorial design. The optimum formulation consisted of Eudragit L100: Eudragit S100 in 1:1.5 ratio and coating thickness of 20 % (w/w). In vitro drug release of "tablets in capsule" system in three different media (pH 1.2, pH 6.8, and pH 7.4) revealed immediate and pulsatile release patterns.
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Autorenporträt
Sonia Pandey has 8 years of teaching experience and 1 year of industry experience. She has completed PGDIPR (post graduate diploma in intellectual property rights) from IGNOU and certified course of SPSS from Uka Tarsadia university. She has more than 12 international papers and more than 21 presentations.She has guided more 3 PG students.