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专利概况
专利名称 TIMED PULSATILE RELEASE SYSTEM
申请号 JP2018169312 申请日
公开(公告)号 JP2019006809A 公开(公告)日 2018-09-11
申请(专利权)人 发明人 VANKATESH GOPI
专利来源 国家知识产权局 转化方式
摘要

PROBLEM TO BE SOLVED : To provide a unit multiparticulate dosage form for delivering one or more basic, active pharmaceutical ingredients into the body in need of such medications to achieve target PK (pharmacokinetics) profiles is described. SOLUTION : The dosage form comprises one or more multicoated drug particles (beads, pellets, mini-/micro-tablets) having a barrier coating and a lag-time coating. Each Timed Pulsatile Release (TPR) bead population exhibits pre-determined lag-time followed by differing release characteristics. The composition and thickness of the barrier coating, composition and thickness of the lag-time coating, ratio of IR beads to one or more TPR bead populations and total dose may be varied depending on the alkalinity, pH-dependent solubility, and elimination half-life of the active ingredients to achieve target PK profiles (suitable for a once or twice daily dosing regimen) in patients in need of such medications. SELECTED DRAWING : Figure 1 COPYRIGHT : (C)2019, JPO&INPIT

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