JP5571561B2 - 医薬品吸入装置及びそれらの構成要素 - Google Patents
医薬品吸入装置及びそれらの構成要素 Download PDFInfo
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- JP5571561B2 JP5571561B2 JP2010533235A JP2010533235A JP5571561B2 JP 5571561 B2 JP5571561 B2 JP 5571561B2 JP 2010533235 A JP2010533235 A JP 2010533235A JP 2010533235 A JP2010533235 A JP 2010533235A JP 5571561 B2 JP5571561 B2 JP 5571561B2
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- 229960005018 salmeterol xinafoate Drugs 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 150000003456 sulfonamides Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229960000257 tiotropium bromide Drugs 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- YNDXUCZADRHECN-JNQJZLCISA-N triamcinolone acetonide Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@]2(F)[C@@H]1[C@@H]1C[C@H]3OC(C)(C)O[C@@]3(C(=O)CO)[C@@]1(C)C[C@@H]2O YNDXUCZADRHECN-JNQJZLCISA-N 0.000 description 1
- 229960002117 triamcinolone acetonide Drugs 0.000 description 1
- FZMJEGJVKFTGMU-UHFFFAOYSA-N triethoxy(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[Si](OCC)(OCC)OCC FZMJEGJVKFTGMU-UHFFFAOYSA-N 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Description
この非金属コーティングの表面の少なくとも一部分に、少なくとも1つの官能基を含む少なくとも部分的にフッ素化された化合物を含む組成物を適用する工程と、
共有結合を形成するために、この少なくとも部分的にフッ素化された化合物の少なくとも1つの官能基を、この非金属コーティングの少なくとも1つの官能基と反応させる工程と、を含む、方法。
Rf[Q−[C(R)2−Si(Y)3−x(R1a)x]y]z Ia
であり、
式中、
Rfは、一価又は多価ポリフルオロポリエーテルセグメントであり、
Qは有機二価又は三価の連結基であり、
各Rは独立して水素又はC1〜4アルキル基であり、
各Yは独立して加水分解性基であり、
R1aはC1〜8アルキル基又はフェニル基であり、
xは0又は1又は2であり、
yは1又は2であり、
zは1、2、3、又は4である、項目33〜36のいずれか一項に記載の方法。
Si(Y2)4−g (R5)g II
式中R5は非加水分解性基を表し、
Y2は加水分解性基を表し、
gは0、1又は2である、項目55に記載の方法。
Rf[Q−[C(R)2−Si(O−)3−x(R1a)x]y]z Ib
少なくとも1つの共有結合を非金属コーティングと共有し、
式中、
Rfは、一価又は多価ポリフルオロポリエーテルセグメントであり、
Qは有機二価又は三価の連結基であり、
各Rは独立して水素又はC1〜4アルキル基であり、
R1aはC1〜8アルキル基又はフェニル基であり、
xは0又は1又は2であり、
yは1又は2であり、
zは1、2、3、又は4である、
項目89に直接若しくは間接に依存して項目107若しくは項目108に記載の装置、又は項目90に直接若しくは間接に依存して項目107若しくは項目108に記載の構成要素。
項目89に直接若しくは間接に依存して項目110〜117のいずれか一項に記載の装置、又は項目90に直接又は間接に依存して項目110〜117のいずれか一項に記載の構成要素。
図1aに戻ると、エアゾール製剤(4)は、製剤チャンバから、二次バルブ本体のフランジ(23)と主要バルブ本体との間の環状空間(21)を通って、二次バルブ本体(20)と主要バルブ本体(13)との間に提供されたプレ計量チャンバ(22)に入ることができる。バルブを作動(発射)するには、図1a及びbに示す静止位置から、バルブステム(14)を容器に対して内方に押して、製剤が定量チャンバからバルブステムの側穴(19)を通り、ステム出口(24)を通って作動装置ノズル(7)に入り、患者に向けて出ることを可能にする。バルブステム(14)を解放すると、製剤は環状空間(21)を通ってバルブ内に入り(具体的にはプレ計量チャンバ(22)内に入る)、次にプレ計量チャンバからバルブステムの溝(18)を通ってタンクシール(16)を通過し、定量チャンバ(12)に入る。
Rf[Q−[C(R)2−Si(Y)3−x(R1a)x]y]z Ia
であり、
式中、
Rfは、一価又は多価ポリフルオロポリエーテルセグメントであり、
Qは有機二価又は三価の連結基であり、
各Rは独立して水素又はC1〜4アルキル基であり、
各Yは独立して加水分解性基であり、
R1aはC1〜8アルキル基又はフェニル基であり、
xは0又は1又は2であり、
yは1又は2であり、
zは1、2、3、又は4である。
Rf[Q−[C(R)2−Si(O−)3−x(R1a)x]y]z Ib
これは少なくとも1つの共有結合を非金属コーティングと共有し、
式中、
Rfは、一価又は多価ポリフルオロポリエーテルセグメントであり、
Qは有機二価又は三価の連結基であり、
各Rは独立して水素又はC1〜4アルキル基であり、
R1aはC1〜8アルキル基又はフェニル基であり、
xは0又は1又は2であり、
yは1又は2であり、
zは1、2、3、又は4である。
好ましくは、アルコキシは−OR’であり、アシロキシは−OC(O)R’であり、式中各R’は独立して低級アルキル基であり、選択的に1つ以上のハロゲン原子によって置換されている。特定の実施形態では、R’は好ましくはC1〜6アルキルであり、より好ましくはC1〜4アルキルである。R’は、直鎖又は分枝状アルキル基であることができる。
Si(Y2)4−g(R5)g II
式中R5は非加水分解性基を表し、
Y2は加水分解性基を表し、
gは0、1又は2である。
CH3OC(O)CF2O(CF2CF2O)9〜10(CF2O)9〜10CF2C(O)OCH3(商品名「フォンブリンズディール(FOMBLIN ZDEAL)」でソルベイ・ソレクシス(Solvay Solexis)(テキサス州ヒューストン)から得られるペルフルオロポリエーテルジエステル(50グラム(g))を、オーブン乾燥した100mL丸底フラスコに窒素雰囲気下で加え、電磁攪拌器を用いて室温で急速に攪拌した。このフラスコに、3−アミノプロピルトリメトキシシラン(商品名「シルクエストA−1110(SILQUEST A-1110)」でGEシリコーンズ(GE Silicones)(コネチカット州ウィルトン)から入手)(9.1g)を一部加えた。最初は混合物は二相であったが、試薬が混合されると、混合物は濁った。反応による約50℃の温度の発熱が観察された。反応を60℃で2時間継続した後、徐々に反応物を室温に冷却すると、やや曇りのある薄黄色の液体となった。反応は、ガスクロマトグラフィー(GC)による過剰な3−アミノプロピルトリメトキシシランの観察及びフーリエ変換赤外分光法(FTIR)による未反応エステル官能基の観察によって観測され、3−アミノプロピルトリメトキシシランの添加後90分以内に完了することがわかった。
例示の構成要素/基材を、PTFE支持体及び中央ガスポンピングによってチャンバから隔離された66cm(26インチ)の低RF給電電極で反応性イオンエッチング用に構成されたプラズマサームモデル(Plasmatherm Model)3032(プラズマサーム(Plasmatherm)(ニュージャージー州クレッソン)から入手可能なバッチプラズマシステム)で処理した。接地されたチャンバを、ドライメカニカルポンプ(エドワーズ(Edwards)モデルiQDP80、ボックエドワーズ(Boc Edwards))で支持されたルーツ型送風機(エドワーズモデルEH1200、ボックエドワーズ(Boc Edwards)、英国ウエストサセックス州(West Sussex))に接続した。プラズマは、5kW、13.56MHz固体発生装置(マサチューセッツ州ウィルミントン(Wilmington)のMKSパワー・ジェネレーターズ・アンド・サブシステムズ(MKS Power Generators and Subsystems)より入手可能なRFプラズマプロダクツモデル(RF Plasma Products Model)RF50S0)及び高周波インピーダンス整合ネットワーク(プラズマサーム(Plasmatherm)より入手可能なプラズマサームモデル(Plasmatherm Model)AMN−30)を動力とした。システムは、公称ベース圧力が0.67Pa(5mTorr)であった。ガスの流量は、MKSパワー・ジェネレーターズ・アンド・サブシステムズ(MKS Power Generators and Subsystems)より入手可能な流量制御装置によって制御された。蒸着される構成要素/基材を、低給電電極上に配置した(したがって、プラズマ生成の際に形成されるイオンシースに位置付けられた)。
HFE−7100フルイド(ミネソタ州セントポール(St. Paul)の3M社(3M Company)から商品名「ノベック(NOVEC)HFE−7100」で入手可能)中0.1%の(CH3O)3Si(CH2)3N(H)C(O)CF2(CF2CF2O)9〜10(CF2O)9〜10CF2C(O)N(H)(CH2)3Si(OCH3)3溶液(3リットル(L))を、室温で4Lのビーカー内に入れた。ビーカーをディップコーター内に設置した。上述の方法によりプラズマ処理した各代表的構成要素/基材をこの溶液の上に垂直に固定し、この溶液中に導入して全体を液面下に沈降させ、少なくとも5秒間、定位置に保持した。例示の構成要素(1つ若しくはそれ以上)を溶液から引き出して、ドレーンさせてからアルミニウムのパンに載せた。次いで、パンを120℃にて60分間オーブンに入れた。次に例示の構成要素を少なくとも24時間置いておいた。このシラン処理法によってもたらされたコーティングの厚みは、典型的に、約20〜100nmの範囲であった。
50mclの定量チャンバを有する商品名「スプレーマイザー(SPRAYMISER)」(3M社(3M Company)(米国ミネソタ州セントポール)で市販されているタイプの定量バルブのステンレススチール圧縮バネ及びステンレススチール主要バルブ本体を処理した。次に、コーティングされた構成要素を組み入れてバルブを構築した。対照バルブも、コーティングされていないバネ及び主要バルブ本体を使用して構築した。
50mclの定量チャンバを有する、商品名BK357(ベスパック(Bespak plc)(英国ノーフォーク州キングスリン、バーゲンウェイ(Bergen Way, Kings Lynn Norfolk)PE 30 2JJ)で市販されているタイプのバルブのアセタールバルブステム及びPBT主要バルブ本体を処理した。次に、コーティングされた構成要素を組み入れてバルブを構築した。コーティングされていないバルブステム及び主要バルブ本体を有するバルブを対照として用いた。以下のモデル製剤を含む缶にバルブ(例示のバルブ3つ及び対照のバルブ3つ)を圧着して、6つの試験ユニットを提供した。
63mcl定量チャンバを有する図1に示したものと類似のタイプの定量バルブ用の、いずれもステンレス製である圧縮バネ、主要バルブ本体、及び加工バルブステムを処理した。次に、処理された構成要素を組み入れてバルブを構築した。対照バルブも、未処理の圧縮バネ、主要バルブ本体、及び加工バルブステムを用いて従来の方法で構築した。(過半数の粒子が1〜3マイクロメートルの範囲内である)1.97mg/mlの硫酸アルブテロールとHFA 134aとからなる製剤を含む缶にバルブ(例示のバルブ5つ及び対照バルブ5つ)を圧着して、10個の試験ユニットを提供した。各試験ユニットを5回作動してプライムした後、200回作動させた。その後、ユニットそれぞれのバルブ力プロファイル(作動するために必要な力及びバルブステムがバルブ復帰ストロークに付加される力)を、実施例2に記述したように測定した。測定されたバルブ摩擦の結果を表3に報告する。処理された構成要素で組み立てられた定量バルブの戻り力は、5.8〜11.6ニュートンの範囲であることがわかった。実施例2と同様に、蒸着の測定を実行した。ここでユニットを穿刺して、残りの液体内容物を排出し、バルブを取り外して慎重に解体した。薬物の検査が行われる各構成要素を蓋付きの管に配置した。5mLの試料希釈液(45:55の比率のメタノール:0.1%リン酸溶液)を各管に分配し、希釈液を分配した直後に蓋を戻した。次に、各管を音波洗浄器に2分間置いて、次いで反転及び旋回によって1分間やさしく振って、構成要素上の硫酸アルブテロールの蒸着を定量的に収集した。次に、各管からのアリコートを、HPLC分析に送って、蒸着した硫酸アルブテロールの量を測定した。結果を表3にまとめる。
この実施例では、例示の構成要素/基材を以下の混転プラズマ処理法で処理して、ダイヤモンド状ガラスコーティングのみを有する構成要素を提供した。
例示の構成要素/基材を、カスタム構築された混転円筒形プラズマシステムにて処理した。直径15cm、長さ30cmの石英管(4つの内部バッフルを有する)であるチャンバに、アルミニウム製端フランジを真空グレードシーラント(Torr−Seal)によって取り付ける。端フランジのそれぞれに直径3.8cm(1.5インチ)のステンレス管が設けられ、1つはロータリシールで、機械式ポンプ(レイボルド(Leybold)モデルD65BCS(米国ペンシルベニア州エクスポート)で支持されたルーツ型送風機(アルカテル(Alcatel)モデルRSV600(フランス、アヌシー(Annecy))に接続し、もう1つはロータリシールでガス供給システムに接続した。プラズマは、水平軸の石英管の下に位置付けられた幅15cm、長さ25cmの、6mmの厚さの銅の外部電極によって生成した。石英管との間に2mmの間隙を空けて15cmの幅の電極が石英管の湾曲と一致するように、銅の電極を円の弧に巻いた。接地された反対電極として、またファラデー(Faraday)シールドとしても作用する穿孔金属シート製のハウジング内に石英管アセンブリ全体を納めて、プラズマシステムを包囲する自由空間に電磁放射線が逃げないよう防いだ。はるかに大きい穿孔金属接地構造物内に、より小さい給電電極が位置付けられて、非対称プラズマシステムが構築された。プラズマは、1kW、13.56MHzの固体発電機(セレン(Seren)、モデル番号R1001(米国ニュージャージー州バインランドのセレンIPS社(Seren IPS, Inc.)より入手可能)及び高周波数インピーダンス整合ネットワーク(Rfプラズマプロダクツ(Rf Plasma Products)モデルAMN−10(米国コロラド州フォートコリンズのアドバンスド・エナジー(Advanced Energy)より入手可能)で出力させた。システムは、公称ベース圧力が0.67Pa(5mTorr)であった。ガスの流量は、マサチューセッツ州ウィルミントンのMKSパワー・ジェネレーターズ・アンド・サブシステムズ(MKS Power Generators and Subsystems)より入手可能な流量制御装置によって制御した。蒸着される構成要素/基材を石英管の中に、給電電極に隣接するイオンシース内に本質的に位置付けて配置し、給電電極を石英管の真下に位置付けた。石英管を毎分1.2回転のゆっくりした速度で一定に回転させた。
Claims (10)
- 医薬品吸入装置又は医薬品吸入装置構成要素を作製する方法であって、非金属コーティングを前記装置又は前記構成要素の内部表面の少なくとも一部分にイオン衝撃条件下でプラズマ蒸着によって形成する工程を含む、方法。
- 前記非金属コーティングが、ケイ素、酸素、及び水素を含む、請求項1記載の方法。
- 前記非金属コーティングが、炭素を更に含む、請求項2記載の方法。
- 前記非金属コーティングが、無水素ベースで少なくとも20原子%の炭素及び少なくとも30原子%のケイ素及び酸素を含有する、請求項1〜3のいずれか1項に記載の方法。
- 前記非金属コーティングのケイ素対酸素の比率が2未満である、請求項2〜4のいずれか1項に記載の方法。
- 前記非金属コーティングが、実質的にフッ素を含まず、及び/又は前記方法が、前記非金属コーティングの表面上へのフッ素含有オーバーコーティングの適用工程のない方法である、請求項1〜5のいずれか1項に記載の方法。
- 前記医薬品吸入装置が定量吸入器又はドライパウダー吸入器である、請求項1〜6のいずれか1項に記載の方法。
- 請求項1〜6のいずれか1項に記載の方法に従って作製される、医薬品吸入装置又は医薬品吸入装置構成要素。
- 前記非金属コーティングが、それぞれ、前記装置又は前記構成要素の表面の少なくとも一部分と共有結合される、及び/又は前記非金属コーティングが、ナノインデンターを使用した測定において少なくとも1GPaのマイクロ硬度を有し、及び/又は前記非金属コーティングが、ナノインデンターを使用した測定において少なくとも11GPaのマイクロ弾性率を有する、請求項8記載の装置又は構成要素。
- 前記医薬品吸入装置が定量吸入器又はドライパウダー吸入器である、請求項8又は9記載の装置又は構成要素。
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- 2008-11-06 EP EP08847413A patent/EP2205302A4/en not_active Withdrawn
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| EP2205302A2 (en) | 2010-07-14 |
| CN101909682A (zh) | 2010-12-08 |
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| US8808786B2 (en) | 2014-08-19 |
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| US20130213395A1 (en) | 2013-08-22 |
| JP2011502645A (ja) | 2011-01-27 |
| AU2008323924A1 (en) | 2009-05-14 |
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| WO2009061895A2 (en) | 2009-05-14 |
| CN101909684B (zh) | 2014-03-19 |
| US8414956B2 (en) | 2013-04-09 |
| WO2009061891A2 (en) | 2009-05-14 |
| BRPI0817384A2 (pt) | 2015-03-31 |
| EP2205303B1 (en) | 2013-11-06 |
| CA2704985C (en) | 2017-02-28 |
| AU2008323920B2 (en) | 2012-12-20 |
| EP2205303A2 (en) | 2010-07-14 |
| JP5571560B2 (ja) | 2014-08-13 |
| EP2205303A4 (en) | 2012-03-14 |
| CA2704997C (en) | 2016-05-24 |
| CA2704985A1 (en) | 2009-05-14 |
| US20100247932A1 (en) | 2010-09-30 |
| JP2011502646A (ja) | 2011-01-27 |
| CN101909684A (zh) | 2010-12-08 |
| WO2009061895A3 (en) | 2009-07-16 |
| US8430097B2 (en) | 2013-04-30 |
| AU2008323920A1 (en) | 2009-05-14 |
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