申请人:——
公开号:US20040052849A1
公开(公告)日:2004-03-18
A drug delivery system for the controlled release of a pharmaceutically-active compound by oral route comprises an intercalate of a layered double hydroxide having, before intercalation, layers of metal hydroxides, and having intercalated therein a pharmaceutically-active compound having at least one anionic group. A preferred layered double hydroxide is one that has layers which comprise [LiAl
2
(OH)
6
]
+
. The drug delivery system has use in the delivery of drugs such as 4-biphenylacetic acid, Diclofenac, Gemfibrozil, Ibuprofen, Naproxen, 2-Propylpentanoic acid and Tolfenamic acid.
一种通过口服途径控制释放具有药理活性的化合物的给药系统包括一种层状双氢氧化物的插层物,该插层物在插层之前具有金属氢氧化物层,并在其中插有具有至少一个阴离子基团的具有药理活性的化合物。一种优选的层状双氢氧化物的层包括[LiAl
2
(OH)
6
]
+
.该给药系统可用于给药,如 4-联苯乙酸、双氯芬酸、吉非罗齐、布洛芬、萘普生、2-丙基戊酸和唑来那米酸。