ORAL PREPARATION - LINTEC CORP

Title:

ORAL PREPARATION

Document Type and Number:

WIPO Patent Application WO/2010/035656

Kind Code:

A1

Abstract:

Disclosed is an oral preparation comprising: an enteric-drug-containing layer which contains a drug to be released in the intestine; enteric-disintegration-controlling layers which are respectively arranged on both surfaces of the enteric-drug-containing layer directly or through any layer and can be disintegrated at least partially in the intestine; and gel-forming layers which are respectively arranged on the enteric-disintegration-controlling layers directly or through any layer and can be swelled upon the absorption of water to form a gel. The enteric-disintegration-controlling layers contain an enteric material that can be dissolved upon the contact with a body fluid in the intestine. The oral preparation is easy to swallow, and can release the drug in a desired area (particularly the intestine) in a living body.

Inventors:

TAKAHASHI AKIRA (JP)
SUGIURA YUSAKU (JP)
HIRONAGA MAKI (JP)
KABUTO AKIO (JP)
SUZUKI EIJI (JP)

Application Number:

PCT/JP2009/066066

Publication Date:

April 01, 2010

Filing Date:

September 15, 2009

Export Citation:

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Assignee:

LINTEC CORP (JP)
TAKAHASHI AKIRA (JP)
SUGIURA YUSAKU (JP)
HIRONAGA MAKI (JP)
KABUTO AKIO (JP)
SUZUKI EIJI (JP)

International Classes:

A61K9/24; A61K9/48; A61K47/32; A61K47/38

Domestic Patent References:

WO2009072572A1	2009-06-11
WO2008129730A1	2008-10-30
WO2008126488A1	2008-10-23
WO2005097080A1	2005-10-20
WO2002087622A1	2002-11-07
WO2005097198A1	2005-10-20
WO2005087205A1	2005-09-22

Foreign References:

JP2004248665A	2004-09-09
JPH01193215A	1989-08-03
JPS5951223A	1984-03-24
JPH11116469A	1999-04-27

Other References: