CA2489809C - Dispositifs de liberation controlee de principes actifs et leur procede de production - Google Patents

Dispositifs de liberation controlee de principes actifs et leur procede de production Download PDF

Info

Publication number: CA2489809C
Authority: CA; Canada
Prior art keywords: active substance; containing matrix; mass; erodible mass; erodible
Prior art date: 1994-05-13
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

CA002489809A

Other languages

English (en)

Other versions

CA2489809A1 (fr

Inventor

Karsten Cremer

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

LTS Lohmann Therapie Systeme AG

Original Assignee

LTS Lohmann Therapie Systeme AG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1994-05-13

Filing date

1995-05-08

Publication date

2006-11-28

1994-05-13 Priority claimed from DE4416926A external-priority patent/DE4416926C2/de

1995-05-08 Application filed by LTS Lohmann Therapie Systeme AG filed Critical LTS Lohmann Therapie Systeme AG

1995-11-23 Publication of CA2489809A1 publication Critical patent/CA2489809A1/fr

2006-11-28 Application granted granted Critical

2006-11-28 Publication of CA2489809C publication Critical patent/CA2489809C/fr

2015-05-08 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000013543 active substance Substances 0.000 title claims abstract description 38
238000000034 method Methods 0.000 title claims abstract description 30
230000008569 process Effects 0.000 title claims abstract description 26
238000013270 controlled release Methods 0.000 title claims abstract description 8
239000011159 matrix material Substances 0.000 claims abstract description 29
239000007787 solid Substances 0.000 claims abstract description 16
238000004519 manufacturing process Methods 0.000 claims abstract description 10
239000000243 solution Substances 0.000 claims description 8
239000000463 material Substances 0.000 claims description 7
239000007791 liquid phase Substances 0.000 claims description 3
238000002844 melting Methods 0.000 claims description 3
230000008018 melting Effects 0.000 claims description 3
239000000725 suspension Substances 0.000 claims description 3
238000005266 casting Methods 0.000 claims description 2
238000005520 cutting process Methods 0.000 claims description 2
238000001125 extrusion Methods 0.000 claims description 2
238000004080 punching Methods 0.000 claims description 2
238000005096 rolling process Methods 0.000 claims description 2
238000002347 injection Methods 0.000 claims 1
239000007924 injection Substances 0.000 claims 1
239000006072 paste Substances 0.000 claims 1
230000001737 promoting effect Effects 0.000 claims 1
239000012815 thermoplastic material Substances 0.000 claims 1
239000007788 liquid Substances 0.000 description 4
239000000126 substance Substances 0.000 description 4
229920001169 thermoplastic Polymers 0.000 description 4
239000004416 thermosoftening plastic Substances 0.000 description 4
238000007493 shaping process Methods 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 2
238000000576 coating method Methods 0.000 description 2
229940079593 drug Drugs 0.000 description 2
239000003814 drug Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000007858 starting material Substances 0.000 description 2
239000002318 adhesion promoter Substances 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
239000002671 adjuvant Substances 0.000 description 1
210000001124 body fluid Anatomy 0.000 description 1
239000010839 body fluid Substances 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
229940000425 combination drug Drugs 0.000 description 1
230000000295 complement effect Effects 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
238000007598 dipping method Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
230000003628 erosive effect Effects 0.000 description 1
238000005304 joining Methods 0.000 description 1
235000011837 pasties Nutrition 0.000 description 1
230000036470 plasma concentration Effects 0.000 description 1
230000000750 progressive effect Effects 0.000 description 1
238000005507 spraying Methods 0.000 description 1
238000013268 sustained release Methods 0.000 description 1
239000012730 sustained-release form Substances 0.000 description 1

Landscapes

Medicinal Preparation (AREA)

CA002489809A 1994-05-13 1995-05-08 Dispositifs de liberation controlee de principes actifs et leur procede de production Expired - Fee Related CA2489809C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE4416926A DE4416926C2 (de)	1994-05-13	1994-05-13	Verfahren zur Herstellung von Vorrichtungen zur kontrollierten Freisetzung von Wirkstoffen
DEP4416926.4		1994-05-13
CA002189991A CA2189991C (fr)	1994-05-13	1995-05-08	Dispositifs de liberation controlee de principes actifs et leur procede de production

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002189991A Division CA2189991C (fr)	1994-05-13	1995-05-08	Dispositifs de liberation controlee de principes actifs et leur procede de production

Publications (2)

Publication Number	Publication Date
CA2489809A1 CA2489809A1 (fr)	1995-11-23
CA2489809C true CA2489809C (fr)	2006-11-28

Family

ID=34195217

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002489809A Expired - Fee Related CA2489809C (fr)	1994-05-13	1995-05-08	Dispositifs de liberation controlee de principes actifs et leur procede de production

Country Status (1)

Country	Link
CA (1)	CA2489809C (fr)

1995
- 1995-05-08 CA CA002489809A patent/CA2489809C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2489809A1 (fr)	1995-11-23

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Legal Events

Date	Code	Title	Description
2005-01-14	EEER	Examination request
2008-05-08	MKLA	Lapsed