KR100349249B1 - 단일 펠렛형 서방성 제제 - Google Patents
단일 펠렛형 서방성 제제 Download PDFInfo
- Publication number
- KR100349249B1 KR100349249B1 KR1019990045798A KR19990045798A KR100349249B1 KR 100349249 B1 KR100349249 B1 KR 100349249B1 KR 1019990045798 A KR1019990045798 A KR 1019990045798A KR 19990045798 A KR19990045798 A KR 19990045798A KR 100349249 B1 KR100349249 B1 KR 100349249B1
- Authority
- KR
- South Korea
- Prior art keywords
- release
- sustained
- drug
- pellet
- layer
- 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.)
- Expired - Fee Related
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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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
- A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/13—Amines
- A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
- A61K31/137—Arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine or methadone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4402—Non condensed pyridines; Hydrogenated derivatives thereof only substituted in position 2, e.g. pheniramine, bisacodyl
-
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5015—Organic compounds, e.g. fats, sugars
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Emergency Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
방법 | 바스켓방법(Basket method) |
매질(Medium) | 제1액, 제2액 |
회전속도 | 100rpm |
온도 | 37±0.5℃ |
컬럼 | 노바팩(Novapak) C18 3.9×150㎜ |
이동상(Mobile phase) | 완충액(Buffer) : CH3CN = 97 : 3 |
파장 | 220㎚ |
유속 | 1.5㎖/min |
주입용량(Injection volume) | 20㎕ |
1시간(제1액) | 2시간(제1액) | 3시간(제2액) | 4시간(제2액) | 5시간(제2액) | 6시간(제2액) | ||
용출기준 | CPM | 50∼80% | 80%이상 | ||||
PPA·HCl | 50∼80% | 80%이상 | |||||
실시예 1의 펠렛 | CPM | 59.95% | 71.10% | 86.99% | 90.62% | 93.37% | 94.87% |
PPA·HCl | 54.94% | 70.10% | 87.62% | 92.25% | 94.53% | 96.05% |
Claims (4)
- 구형의 핵과 약물층 및 방출제어막층으로 이루어진 단일형태의 펠렛을 함유하는 서방성 제제로서,상기 약물층에는 클로르페니라민 말레이트(Chlorpheniramine maleate)와 염산 페닐프로판올아민(Phenylpropanolamine ·HCl)이 포함되고;상기 방출제어막층은 소수성 중합체인 에틸셀룰로오스(Ethylcellulose)와 친수성 중합체인 PEG 6000이 20 : 1 내지 5 : 1의 비율로 구성되어 초기의 혈중농도와 지속적인 농도유지를 모두 만족시키도록 약물의 방출을 제어하는 것을 특징으로 하는 단일 펠렛형 서방성 제제.
- 삭제
- 삭제
- 제1항에 있어서,상기 방출제어막층은 에틸셀룰로오스와 PEG 6000이 10 : 1 의 비율로 구성되는 것을 특징으로 하는 단일 펠렛형 서방성 제제.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990045798A KR100349249B1 (ko) | 1999-10-21 | 1999-10-21 | 단일 펠렛형 서방성 제제 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990045798A KR100349249B1 (ko) | 1999-10-21 | 1999-10-21 | 단일 펠렛형 서방성 제제 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010038003A KR20010038003A (ko) | 2001-05-15 |
KR100349249B1 true KR100349249B1 (ko) | 2002-08-19 |
Family
ID=19616306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990045798A Expired - Fee Related KR100349249B1 (ko) | 1999-10-21 | 1999-10-21 | 단일 펠렛형 서방성 제제 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100349249B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101586229B1 (ko) * | 2015-11-24 | 2016-01-19 | 박영자 | 양식어장용 저질개선제 제조방법 |
-
1999
- 1999-10-21 KR KR1019990045798A patent/KR100349249B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101586229B1 (ko) * | 2015-11-24 | 2016-01-19 | 박영자 | 양식어장용 저질개선제 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20010038003A (ko) | 2001-05-15 |
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