CA2638743A1 - Transdermal patch incorporating active agent migration barrier layer - Google Patents

Transdermal patch incorporating active agent migration barrier layer Download PDF

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Publication number
CA2638743A1
CA2638743A1 CA002638743A CA2638743A CA2638743A1 CA 2638743 A1 CA2638743 A1 CA 2638743A1 CA 002638743 A CA002638743 A CA 002638743A CA 2638743 A CA2638743 A CA 2638743A CA 2638743 A1 CA2638743 A1 CA 2638743A1
Authority
CA
Canada
Prior art keywords
layer
active agent
release liner
outer layer
impermeable
Prior art date
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.)
Granted
Application number
CA002638743A
Other languages
French (fr)
Other versions
CA2638743C (en
Inventor
Kenneth J. Ii Miller
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.)
Mylan Technologies Inc
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2638743A1 publication Critical patent/CA2638743A1/en
Application granted granted Critical
Publication of CA2638743C publication Critical patent/CA2638743C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
    • A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
    • A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
    • A61K9/7084—Transdermal patches having a drug layer or reservoir, and one or more separate drug-free skin-adhesive layers, e.g. between drug reservoir and skin, or surrounding the drug reservoir; Liquid-filled reservoir patches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/02—Adhesive plasters or dressings
    • A61F13/0276—Apparatus or processes for manufacturing adhesive dressings or bandages
    • A61F2013/0296—Apparatus or processes for manufacturing adhesive dressings or bandages for making transdermal patches (chemical processes excluded)

Abstract

Devices (100) for administration of one or more active agents to the skin or mucosa of a host are formed in the nature of a double-disk patch (100).
One outer layer (110) functions as the primary adhesive layer for adhering the patch (100) to the host. The other inner layer (122) contains at least one active agent to be administered to the host. The inner layer (122) is bonded to the outer layer (110) through an opening (114) provided in an interposed active agent impermeable release layer (104). The release layer (104) separates a circumferential portion of the active agent containing inner layer (122) from the outer adhesive layer (220) to inhibit migration of the active agent therebetween.

Claims (8)

1. A method for inhibiting migration of an active agent from an active agent inner layer into an adhesive outer layer within an active agent release device prior to adhering the device to the skin or mucosa of a host, said inner layer having an active agent impermeable layer, said method comprising adhering a release liner to a first portion of the outer layer; and adhering a portion of the impermeable layer of the inner layer to a second portion of the outer layer, whereby a remaining portion of the impermeable layer is arranged overlying the release liner, said release liner separating a peripheral portion of the inner layer from the outer layer until removal of the release liner.
2. The method of claim 1, wherein said release liner comprises an active agent impermeable material.
3. The method of claim 1, further including releasably adhering said release liner to said outer layer.
4. The method of claim 1, further including providing an opening within said release liner, and exposing a portion of said outer layer within said opening.
5. The method of claim 4, wherein said portion of said impermeable layer is adhered to said second portion of said outer layer within said opening of said release liner.
6. The method of claim 4, wherein said remaining portion of said impermeable layer circumscribes said opening of said release liner.
7. The method of claim 1, wherein said active agent impermeable layer is at least co-extensive with said inner layer.
8. The method of claim 1, wherein said release liner has a bottom surface releasably adhered to said outer layer and a top surface unadhered underlying said active agent impermeable layer.
CA2638743A 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer Expired - Fee Related CA2638743C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/641,654 US8524272B2 (en) 2003-08-15 2003-08-15 Transdermal patch incorporating active agent migration barrier layer
US10/641,654 2003-08-15
CA2531504A CA2531504C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2531504A Division CA2531504C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer

Publications (2)

Publication Number Publication Date
CA2638743A1 true CA2638743A1 (en) 2005-03-03
CA2638743C CA2638743C (en) 2012-05-22

Family

ID=34136410

Family Applications (6)

Application Number Title Priority Date Filing Date
CA002637297A Expired - Fee Related CA2637297C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer
CA2637321A Expired - Fee Related CA2637321C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer
CA2637849A Expired - Fee Related CA2637849C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer
CA2708347A Expired - Fee Related CA2708347C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer
CA2638743A Expired - Fee Related CA2638743C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer
CA2531504A Expired - Fee Related CA2531504C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer

Family Applications Before (4)

Application Number Title Priority Date Filing Date
CA002637297A Expired - Fee Related CA2637297C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer
CA2637321A Expired - Fee Related CA2637321C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer
CA2637849A Expired - Fee Related CA2637849C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer
CA2708347A Expired - Fee Related CA2708347C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2531504A Expired - Fee Related CA2531504C (en) 2003-08-15 2004-01-26 Transdermal patch incorporating active agent migration barrier layer

Country Status (7)

Country Link
US (3) US8524272B2 (en)
EP (1) EP1653897A4 (en)
JP (1) JP4388068B2 (en)
AU (1) AU2004266563B2 (en)
CA (6) CA2637297C (en)
MX (1) MXPA06001783A (en)
WO (1) WO2005018517A1 (en)

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US20190015352A1 (en) * 2017-07-14 2019-01-17 Pendleton Brewster Wickersham Applicators & Patches for Dermal & Transdermal Treatment Material & Drug Delivery, Methods of Making Them, & Methods of Use
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Also Published As

Publication number Publication date
US20050037059A1 (en) 2005-02-17
AU2004266563A1 (en) 2005-03-03
EP1653897A4 (en) 2012-03-21
EP1653897A1 (en) 2006-05-10
CA2638743C (en) 2012-05-22
WO2005018517A1 (en) 2005-03-03
AU2004266563B2 (en) 2011-03-10
CA2531504A1 (en) 2005-03-03
CA2637849A1 (en) 2005-03-03
JP4388068B2 (en) 2009-12-24
US8802136B2 (en) 2014-08-12
CA2637321C (en) 2010-04-13
MXPA06001783A (en) 2006-05-04
US9358373B2 (en) 2016-06-07
CA2637321A1 (en) 2005-03-03
CA2708347A1 (en) 2005-03-03
US20140249492A1 (en) 2014-09-04
CA2637297C (en) 2009-07-21
JP2007502649A (en) 2007-02-15
US20130274694A1 (en) 2013-10-17
CA2637849C (en) 2010-04-13
US8524272B2 (en) 2013-09-03
CA2637297A1 (en) 2005-03-03
CA2531504C (en) 2011-04-12
CA2708347C (en) 2012-12-18

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20220126