JP4666421B2 - 環状ポリオレフィン層を含むプラスチック容器 - Google Patents
環状ポリオレフィン層を含むプラスチック容器 Download PDFInfo
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- JP4666421B2 JP4666421B2 JP2010223443A JP2010223443A JP4666421B2 JP 4666421 B2 JP4666421 B2 JP 4666421B2 JP 2010223443 A JP2010223443 A JP 2010223443A JP 2010223443 A JP2010223443 A JP 2010223443A JP 4666421 B2 JP4666421 B2 JP 4666421B2
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- layer
- plastic container
- cyclic polyolefin
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- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
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Classifications
-
- 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
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
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Description
一方、下記式(I)
ラジカットは現在、ラジカット注30mgとして、30mgの3−メチル−1−フェニル−2−ピラゾリン−5−オン(エダラボン)を含む20mlの溶液をガラスアンプルに充填した形態で市販されている。また、国際公開パンフレットWO2007/55312(特許文献9)には着色が抑えられたエダラボンを含有する水溶液を充填したプラスチック容器について報告されている。しかしながら、プラスチック容器にエダラボンが付着することによる含有量低下の抑制が可能なプラスチック容器については開示されていない。
本発明において、引張弾性率が300MPa以下の多層フィルムにより成形されたプラスチック容器であることが好ましい。
本発明に係るプラスチック容器は115℃ 30分以上での滅菌が可能であることが好ましい。また、別の好ましい態様として、121℃ 15分以上での滅菌が可能であることを挙げることができる。
で表されるピラゾロン誘導体若しくはその生理的に許容される塩、又はそれらの水和物若しくは溶媒和物であることが好ましい。また、別の好ましい態様として、3−メチル−1−フェニル−2−ピラゾリン−5−オンを挙げることができる。
また、本発明に係るプラスチック容器は脱酸素剤共に気体難透過性の容器内に収容されていることが好ましい。
本発明に係るプラスチック容器に収容される液体状の医薬の有効成分が上記式(I)で表されるピラゾロン誘導体若しくはその生理的に許容される塩、又はそれらの水和物若しくは溶媒和物である場合、好ましくは、60℃で4週間保存前後における有効成分の含有率低下は4%以下であり、また好ましくは滅菌前後における有効成分の含有率低下は4%以下である。
R1の定義における総炭素数3〜6のアルコキシカルボニルアルキル基としては、メトキシカルボニルメチル基、エトキシカルボニルメチル基、プロポキシカルボニルメチル基、メトキシカルボニルエチル基、メトキシカルボニルプロピル基等が挙げられる。
R1及びR2の定義における炭素数3〜5のアルキレン基としては、トリメチレン基、テトラメチレン基、ペンタメチレン基、メチルトリメチレン基、エチルトリメチレン基、ジメチルトリメチレン基、メチルテトラメチレン基等が挙げられる。
R2及びR3の定義における炭素数1〜3のヒドロキシアルキル基としては、ヒドロキシメチル基、2−ヒドロキシエチル基、3−ヒドロキシプロピル基等が挙げられる。R3の定義における炭素数5〜7のシクロアルキル基としては、シクロペンチル基、シクロヘキシル基、シクロヘプチル基等が挙げられる。
式(I)で表される化合物はいずれも公知の化合物であり、特公平5−31523号公 報などに記載された方法により当業者が容易に合成できる。
本発明により提供される多層フィルムは、共押し出しインフレーション法や共押出Tダイ法等の、従来公知の種々の方法を採用して製造することができる。
輸液用バッグの製造例
6種6層のフィルムを成型できる水冷式のインフレーション装置を用いて表1にある構成のフィルムを製造し、ポリエチレン製またはポリプロピレン製のポートを溶着した100mL輸液用バッグを成型した。即ち、表1に記載の多層フィルムを、そのシール層が対向するように重ね合わせた状態で、その周縁部をヒートシールすることによって、輸液用バッグを成型した。なお、表1において、フィルムA01、A03、C01及びC02が本発明の実施例であり、フィルムA02、A04、A05.B01、B02、B03は参考例である。
市販されているラジカット(登録商標)注30mg(田辺三菱製薬株式会社製造・販売)を生理食塩水で100mLに希釈したものを表1に記載のA01〜A05及び比較例1の各種フィルムで構成した輸液バッグに充填、滅菌(115℃ 30分)した。滅菌前後での主薬(エダラボン)含量の測定をした。結果を表2に示す。環状ポリオレフィンポリマーおよび環状ポリオレフィンコポリマーをバリア層として構成したフィルムを用いた製剤では、滅菌後の大きな含量低下は見られなかった。一方、ポリプロピレン(ゼラス(登録商標)RT−267A−1、MC717、7023)のみで構成したフィルムを用いた製剤では、滅菌後の含量低下が見られた。
市販されているラジカット(登録商標)注30mg(田辺三菱製薬株式会社製造・販売)を生理食塩水で100mLに希釈したものを表1に記載のA05、B01〜B03の各種フィルムで構成した輸液バッグに充填、滅菌(115℃ 30分)した。滅菌前後での主薬(エダラボン)含量の測定をした。結果を表3に示す。環状ポリオレフィンポリマーおよび環状ポリオレフィンコポリマーをバリア層として構成したフィルムでは、ほぼ同等に滅菌時の収着を抑制できた。環状ポリオレフィンポリマーの厚みは10μm以上あれば十分にその機能を果たした。
市販されているラジカット(登録商標)注30mg(田辺三菱製薬株式会社製造・販売)を生理食塩水で100mLに希釈したものを表1に記載のC01〜C02、比較例1のフィルムで構成した輸液バッグに充填、滅菌(115℃ 30分)した。その後、脱酸素剤としてエージレスを含むシリカ蒸着をしたガス透過性を抑制した2次包材と共に包装をした各サンプルの苛酷試験(60℃ 4週)を実施した。表4に示すとおり、比較例1のバッグでは経時的な含量の低下が見られたが、C01およびC02のバッグでは含量の低下は認められなかった。
Claims (15)
- ヒートシール可能なシール層、環状ポリオレフィン層及び最外層を備え、シール層はポリプロピレンからなり、環状ポリオレフィン層は環状ポリオレフィンポリマー又は環状ポリオレフィンコポリマーからなり、最外層はポリプロピレンを含む層からなり、さらにプロピレン系重合体とスチレン系エラストマーとのブレンド物からなる樹脂組成物層を備える多層フィルムであって、環状ポリオレフィン層の両側表面にプロピレン系重合体とスチレン系エラストマーとのブレンド物からなる樹脂組成物層又はポリエチレン層を備える多層フィルムを、そのシール層が対向するように重ね合わせた状態で、その周縁部をヒートシールすることによって成形されたプラスチック容器であって、3−メチル−1−フェニル−2−ピラゾリン−5−オン若しくはその生理的に許容される塩、又はそれらの水和物若しくは溶媒和物を有効成分として含有する溶液を充填したプラスチック容器。
- 環状ポリオレフィン層の両側表面に120℃以上170℃以下にのみ融解ピーク温度を有し、かつ融解熱が5J/g以上20J/g以下の樹脂組成物層を備える請求項1に記載のプラスチック容器。
- 環状ポリオレフィン層の環状ポリオレフィンがジシクロペンタジエン又はその誘導体の開環重合体水素添加物である請求項1又は2に記載のプラスチック容器。
- 環状ポリオレフィン層のガラス転移温度(Tg)が80〜120℃である請求項1〜3のいずれかに記載のプラスチック容器。
- 環状ポリオレフィン層のメルトフローレート(230℃、21.2N)値が1〜20(g/10分)である請求項1〜4のいずれかに記載のプラスチック容器。
- シール層及び/又は最外層のメルトフローレート(230℃、21.2N)値が1〜4(g/10分)である請求項1〜5のいずれかに記載のプラスチック容器。
- シール層及び/又は最外層の曲げ弾性率が400〜600MPaである請求項1〜6のいずれかに記載のプラスチック容器。
- シール層の最大融解ピーク温度が125〜135℃である請求項1〜7のいずれかに記載のプラスチック容器。
- シール層の最高融解ピーク温度が150〜160℃である請求項1〜8のいずれかに記載のプラスチック容器。
- 最外層の融解ピーク温度が160〜170℃である請求項1〜9のいずれかに記載のプラスチック容器。
- プラスチックフィルムの引張弾性率が300MPa以下である請求項1〜10のいずれかに記載のプラスチック容器。
- 115℃ 30分以上での滅菌が可能な請求項1〜11のいずれかに記載のプラスチック容器。
- 121℃ 15分以上での滅菌が可能な請求項1〜12のいずれかに記載のプラスチック容器。
- プラスチック容器が輸液バッグの形態である請求項1〜13のいずれかに記載のプラスチック容器。
- 脱酸素剤と共に気体難透過性の容器内に収容されている請求項1〜14のいずれかに記載のプラスチック容器。
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JP2010223443A Active JP4666421B2 (ja) | 2007-11-22 | 2010-10-01 | 環状ポリオレフィン層を含むプラスチック容器 |
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CN (2) | CN101917991B (ja) |
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JPWO2009066752A1 (ja) | 2011-04-07 |
EP2311430A1 (en) | 2011-04-20 |
US20100320215A1 (en) | 2010-12-23 |
CN101917991A (zh) | 2010-12-15 |
JP2011062529A (ja) | 2011-03-31 |
KR101493834B1 (ko) | 2015-02-17 |
TWI430789B (zh) | 2014-03-21 |
TWI448281B (zh) | 2014-08-11 |
EP2223689A1 (en) | 2010-09-01 |
CN101917991B (zh) | 2012-04-18 |
EP2223689A4 (en) | 2011-03-30 |
CN102038607B (zh) | 2015-07-01 |
WO2009066752A1 (ja) | 2009-05-28 |
TW200938183A (en) | 2009-09-16 |
KR101493833B1 (ko) | 2015-02-16 |
KR20100098613A (ko) | 2010-09-08 |
EP2223689B1 (en) | 2014-04-02 |
KR20100118154A (ko) | 2010-11-04 |
US20120271270A1 (en) | 2012-10-25 |
US20110068037A1 (en) | 2011-03-24 |
CN102038607A (zh) | 2011-05-04 |
US9956203B2 (en) | 2018-05-01 |
TW201114417A (en) | 2011-05-01 |
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