JP2006517593A - 投薬形態物の層形状修飾方法およびそのような修飾を受けさせた投薬形態物 - Google Patents
投薬形態物の層形状修飾方法およびそのような修飾を受けさせた投薬形態物 Download PDFInfo
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- OKUCEQDKBKYEJY-UHFFFAOYSA-N tert-butyl 3-(methylamino)pyrrolidine-1-carboxylate Chemical compound CNC1CCN(C(=O)OC(C)(C)C)C1 OKUCEQDKBKYEJY-UHFFFAOYSA-N 0.000 description 1
- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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- A61K9/2086—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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Abstract
Description
能性が高いと予測される。しかしながら、治療効果を得ようとするには、最低限の薬効濃度(minimum pharmacodynamic concentration)(MPC)より高い濃度を維持する必要がある。
ものである:特許文献2、3、4、5、6、7、8、9、10、11、12および13。
pumping)によって単位時間当たりに放出される薬剤の量を調節するに適した多種多様な出口配置が記述されており、それには、当該デバイスの末端部に位置する複数の穴およびいろいろな直径の単一出口が含まれる。
本発明は、任意の薬剤オーバーコート(drug overcoat)を持っていてもよいカプセル形状の錠剤を用いることで1日1回の投薬形態物投与でシクロベンザプリンHClを約20時間に渡って送達することを考案したものである。そのように約20時間に渡る放出は、薬剤オーバーコートによる即効型の送達が起こった後に投与してから約4時間に渡って薬剤の送達が起こらずそして最終的に中心部から薬剤が約16時間に渡って制御様式で放出されることで構成される。このような新規なプロファイルによって治療的送達(therapeutic delivery)が得られると同時に薬剤送達の遅れによって血漿濃度が副作用が低下しかつ許容度の進展(development of
tolerance)が増すに充分なほど低く保たれる。そのような送達プロファイル(delivery profile)によって、血漿濃度が高くなることなく24時間の効力が得られる。
用の数が少ないと同時に治療的に有効な1日1回の投薬形態物を考案したものである。本発明は下記の鍵となる2特徴を示す:送達を調整することで薬効および許容度の進展に影響を与えることと、その調整された送達によって治療効果に充分な血漿濃度が得られること。そのような調整された送達によって、MPC以上の濃度プロファイルが保持されるが、MTCを超えることはない。許容度の進展は鎮静効果[代表的な尺度、例えば指覚性(digit vigilance)などで測定した時に認知機能が悪化すること]に関係している。
本明細書に示す下記の定義、図および典型的な開示を参照することで本発明が最良に理解されるであろう。
定義
「投薬形態物」は、薬学的に活性のある薬剤、例えばシクロベンザプリンまたはこれの薬学的に受け入れられる酸付加塩などを含んで成る薬剤組成物またはデバイスを意味し、この組成物またはデバイスは、場合により、活性のある薬剤の製造および送達で用いられる不活性な材料、即ち薬学的に受け入れられる賦形剤、例えば懸濁剤、界面活性剤、崩壊剤、結合剤、希釈剤、滑剤、安定剤、抗酸化剤、浸透圧剤、着色剤、可塑剤、被膜などを含有していてもよい。
漿薬剤濃度を本明細書で用いる場合、これをCmaxとして表し、そして最小(最低)血漿薬剤濃度をCminとして表す。薬剤投与後に定常状態の最高血漿濃度および最低薬剤濃度が生じる時間をそれぞれTmaxおよびTminとして表す。
Pharmaceutical Sciences、1990版、1628−1685頁に記述されている如きイオン交換樹脂システムが含まれ得る。そのような他のアプローチに従って機能するシクロベンザプリン投薬形態物も本請求の範囲に示す如き薬剤放出特徴および/または血漿シクロベンザプリン濃度特徴が文字通りまたは等しくそのような投薬形態物を説明している度合で本請求の範囲内に包含させる。
期間の間に活性薬剤が中心部から放出される量が最小限であることを確保するに役立つ。
機および微細粉砕機などを用いて実施可能である。その粒子の大きさをふるい分けで確定することができ、そのようなふるい分けには、グリズリースクリーン(grizzly screen)、フラットスクリーン、振動式スクリーン、回転式スクリーン、振とう式スクリーン、揺動式スクリーンおよび往復運動式スクリーンが含まれる。薬剤の粒子および担体の粒子を生じさせるに適した方法および装置がPharmaceutical Sciences、Remington、17版、1585−1594頁(1985);Chemical Engineers Handbook、Perry、6版、21−13から21−19頁(1984);Journal of Pharmaceutical Sciences、Parrot、61巻、No.6、813−829頁(1974)およびChemical Engineer、Hixon、94−103頁(1990)に開示されている。
ベンザプリン含有量は、投薬形態物当たり10mgから40mgのシクロベンザプリンの用量である。
許第4,077,407号から公知であり、それらの合成はEncyclopedia of Polymer Science and Technology、3巻、325−354頁(1964)、Interscience Publishers Inc.、ニューヨーク、NYに記述されている手順を用いて実施可能である。
い不活性な充填材、セルロースが基になった壁を形成する材料と適合し得る樹脂などが含まれる。
Polymers、ScottおよびRoff、Chemical Rubber Co.、クリーブランド、OHにおける従来技術で公知である。
化ナトリウム、塩化カリウム、塩化リチウム、硫酸マグネシウム、塩化マグネシウム、硫酸カリウム、硫酸ナトリウム、硫酸リチウム、酸性燐酸カリウム、マンニトール、尿素、イノシトール、こはく酸マグネシウム、酒石酸、ラフィノース、スクロース、グルコース、ラクトース、ソルビトール、無機塩、有機塩および炭水化物から成る群から選択される員が含まれる。
組成物が前記区分室から放出されるのを助長しかつ送達期間終了時に前記区分室の中に残っている残存薬剤組成物の量を少なくし、特に分与すべき薬剤組成物のスラリー、懸濁液または溶液が分与期間中に高い粘度を示す時に残存薬剤組成物の量を少なくする。薬剤充填率が高い、即ち薬剤層の中に入っている活性薬剤が当該薬剤層の総重量(内側壁なし)を基準にして40%以上である投薬形態物では、送達期間が終了した後のデバイスの中に残り得る薬剤の残存量が多いことを観察した。ある場合には、放出速度検定で試験した時に24時間が終了した時点で投薬形態物の中に残存する量が20%以上であることも起こり得る。
時に、外側壁20と薬剤層40の間の滑りを助長しかつ向上させ得る粘度を有するゲルもしくはゲル様内側コートの形成が助長される。
型的には3500ニュートン以上、しばしば3500−5000ニュートンの力で実施する。そのようにして圧縮した単一の2層もしくは3層中心部をドライコータープレス(dry coater press)、例えばKilian(商標)Dry Coaterプレスなどに送り込んだ後、それにこの上に記述した如き壁材料による被覆を受けさせる。好適な態様では、その圧縮順を、3層系の場合には遅延層から出発して薬剤層そして最後に圧力層の圧縮を行うことになるであろう(圧力層から出発する伝統的な順ではなく)。2層系の場合には、薬剤層の圧縮から始めた後に圧力層の圧縮を行うことになるであろう。
そのようにして被覆された粉末を前記顆粒装置の中で乾燥させる。この方法では、前記顆粒用液を添加しながらその中に存在する材料の全部を顆粒にする。その顆粒品を乾燥させた後、混合装置、例えばV−ブレンダーまたはトートブレンダー(tote blender)などを用いて滑剤、例えばステアリン酸またはステアリン酸マグネシウムなどを前記顆粒品の中に混合する。次に、その顆粒品に圧縮をこの上に記述した様式で受けさせる。
of use)の中で薬剤を送達する時であってもよい。
方法の実施が好適である。本発明のシクロベンザプリン投薬形態物および方法を用いて、明らかに筋肉痙攣を起したか或はそのように診断される可能性のある他の病気状況および状態も治療することができる。加うるに、また、本発明の投薬形態物および方法を用いて、鬱に関連して現れるか或は現れない可能性があるがシクロベンザプリンによる治療に反応する可能性のある他の病気状況および状態も治療することができる。
遅延層(56mg)
84.35%がPolyox(商標)WSR N−150
10.00%がNaCl
5.00%がPVP K29−32
0.50%がステアリン酸
0.10%が黒色酸化鉄
0.05%がBHT
薬剤層(93mg)
15.00%がシクロベンザプリンHCl
79.45%がPolyox(商標)WSR N−150
5.00%がPVP K29−32
0.50%がステアリン酸
0.05%がBHT
圧力層(168mg)
20.00%が塩化ナトリウム
73.70%がポリエチレンオキサイド、NF、7000K、TG
5.00%がPVP K29−32
1.00%が酸化鉄、Green PB−1581
0.25%がステアリン酸
0.05%がBHT
即効型オーバーコートを持たない投薬形態物の配合を前記のようにした結果として、図8および図9に示すように、いろいろな重合体粘度に関して放出速度プロファイルおよび累積放出速度プロファイルがもたらされた。
遅延層(56mg)
84.35%がPolyox(商標)WSR N−150
10.00%がNaCl
5.00%がPVP K29−32
0.50%がステアリン酸
0.10%が黄色酸化鉄
0.05%がBHT
薬剤層(93mg)
15.00%がシクロベンザプリンHCl
79.45%がPolyox(商標)WSR N−150
5.00%がPVP K29−32
0.50%がステアリン酸
0.05%がBHT
圧力層(168mg)
20.00%が塩化ナトリウム
73.70%がポリエチレンオキサイド、NF、7000K、TG
5.00%がPVP K29−32
1.00%が酸化鉄、Green PB−1581
0.25%がステアリン酸
0.05%がBHT
Claims (39)
- (a)区分室を限定していて、中に形成されているか或は形成され得る出口開口部を有し、かつ少なくとも一部が半透性である膜、
(b)前記区分室内に存在していて前記出口開口部から遠く離れた所に位置しかつ前記膜の半透性部分と液体が連絡する膨張性層、
(c)前記出口開口部に隣接して存在する遅延層、
(d)前記区分室の中に存在していて前記遅延層と前記膨張性層の間に位置する薬剤層、および
(e)前記遅延層と前記薬剤層の間に位置していて形状が前記出口開口部に対して凸状である界面境界、
を含んで成る投薬形態物。 - 前記遅延層と前記薬剤層の成形が、前記薬剤層をこれの形態に圧縮する前に前記遅延層をこれの形態に圧縮する圧縮順で実施されたものである請求項1記載の投薬形態物。
- 前記遅延層と前記薬剤層の両方が同じ度合の水和を受けた時に前記遅延層が示す粘度の方が前記薬剤層が示す粘度よりも高い請求項1記載の投薬形態物。
- 等しい水飽和度合において前記遅延層が示す粘度の方が前記薬剤層が示す粘度より高い請求項1記載の投薬形態物。
- (a)区分室を限定していて、中に形成されているか或は形成され得る出口開口部を有し、かつ少なくとも一部が半透性である膜、
(b)前記区分室内に存在していて前記出口開口部から遠く離れた所に位置しかつ前記膜の半透性部分と液体が連絡する膨張性層、
(c)前記出口開口部に隣接して存在する遅延層、
前記区分室の中に存在していて前記遅延層と前記膨張性層の間に位置する薬剤層、
を含んで成っていて、そして
(d)前記遅延層と前記薬剤層の両方が同じ度合の水和を受けた時に前記遅延層が示す粘度の方が前記薬剤層が示す粘度よりも高い、
の投薬形態物。 - 更に前記遅延層と前記薬剤層の間に位置していて形状が前記出口開口部に対して凸状である界面境界も含んで成る請求項5記載の投薬形態物。
- 前記遅延層と前記薬剤層の成形が、前記薬剤層をこれの形態に圧縮する前に前記遅延層をこれの形態に圧縮する圧縮順で実施されたものである請求項6記載の投薬形態物。
- (a)区分室を限定していて、中に形成されているか或は形成され得る出口開口部を有し、かつ少なくとも一部が半透性である膜、
(b)前記区分室内に存在していて前記出口開口部から遠く離れた所に位置しかつ前記膜の半透性部分と液体が連絡する膨張性層、
(c)前記出口開口部に隣接して存在する遅延層、および
(d)前記区分室の中に存在していて前記遅延層と前記膨張性層の間に位置する薬剤層、を含んで成っていて、
(e)前記遅延層の最大重量成分が水性媒体に接触した時に示す粘度の方が、前記薬剤層の最大重量成分が同じ水性媒体の中で同じ度合の水和を受けた時に示す粘度よりも高い、投薬形態物。 - 遅延放出投薬形態物の薬剤層が遅延期間中に遅延層の中を通り抜ける度合を低くする方法であって、該投薬形態物が放出前の遅延層と薬剤層が入る区分室および前記遅延層と薬剤層の材料を放出させる出口開口部を有していて前記遅延層が前記薬剤層と前記開口部の間に位置し、
(a)前記遅延層と前記薬剤層の構築を前記遅延期間中に前記遅延層が示す粘度の方が前記薬剤層が示す粘度よりも高いままであるように実施する、
ことを含んで成る方法。 - 遅延放出投薬形態物から放出される薬剤層の放出を制御する方法であって、該投薬形態物が放出前の遅延層と薬剤層が入る区分室および前記遅延層と薬剤層の材料を放出させる出口開口部を有していて前記遅延層が前記薬剤層と前記開口部の間に位置し、
(a)前記遅延層と前記薬剤層の構築を前記薬剤層が前記区分室から放出されるのを前記遅延層が抑制する時間の実質的な部分に渡って前記区分室内の前記遅延層の水和部分が示す粘度の方が前記区分室内の前記薬剤層の水和部分が示す粘度よりも高いままであるように実施する、
ことを含んで成る方法。 - 遅延放出投薬形態物から放出される薬剤層の放出を制御する方法であって、該投薬形態物が放出前の遅延層と薬剤層が入る区分室および前記遅延層と薬剤層の材料を放出させる出口開口部を有していて前記遅延層が前記薬剤層と前記開口部の間に位置し、
(a)前記遅延層と前記薬剤層の構築を前記遅延層が水和を受けた時にそれが示す一般的粘度の方が前記薬剤層が同じ度合の水和を受けた時にそれが示す一般的粘度よりも高いように実施する、
ことを含んで成る方法。 - 所望遅延期間中に前記遅延層が示す粘度と前記薬剤層が示す粘度の間の差を前記薬剤層が前記遅延層の中を通り抜ける度合が低いに充分なほど高くする請求項9記載の方法。
- 前記薬剤層が前記遅延層の中をあまりにも早期に通り抜ける度合が低い請求項9記載の方法。
- 前記薬剤層が前記遅延層の中をあまりにも早期に通り抜ける度合が低い請求項10記載の方法。
- 前記薬剤層が前記遅延層の中をあまりにも早期に通り抜ける度合が低い請求項11記載の方法。
- 前記薬剤層が前記遅延層の中を通り抜ける速度が前記遅延層の粘度と前記薬剤層の粘度の差がほぼ等しい場合に起こる通り抜け速度よりも遅い請求項9記載の方法。
- 前記薬剤層が前記遅延層の中を通り抜ける速度が前記遅延層の粘度と前記薬剤層の粘度の差がほぼ等しい場合に起こる通り抜け速度よりも遅い請求項10記載の方法。
- 前記薬剤層が前記遅延層の中を通り抜ける速度が前記遅延層の粘度と前記薬剤層の粘度の差がほぼ等しい場合に起こる通り抜け速度よりも遅い請求項11記載の方法。
- 前記遅延期間後に前記薬剤層に由来する薬剤が前記投薬形態物からある期間に渡って連続的かつ実質的に上昇する速度で放出される請求項9記載の方法。
- 前記遅延期間後に前記薬剤層に由来する薬剤が前記投薬形態物からある期間に渡って連
続的かつ実質的に上昇する速度で放出される請求項13記載の方法。 - 前記遅延期間後に前記薬剤層に由来する薬剤が前記投薬形態物からある期間に渡って連続的かつ実質的に上昇する速度で放出される請求項16記載の方法。
- 前記薬剤層および前記遅延層の粘度が70から350cpsの範囲である請求項9記載の方法。
- (a)区分室を限定していて中に形成されているか或は形成され得る出口開口部を有しかつ少なくとも一部が半透性である膜、
(b)前記区分室内に存在していて前記出口開口部から遠く離れた所に位置しかつ前記膜の半透性部分と液体が連絡する膨張性層、
(c)前記出口開口部に隣接して存在する遅延層、
(d)前記区分室の中に存在していて前記遅延層と前記膨張性層の間に位置する薬剤層、を含んで成っていて、そして
(e)前記遅延層の主成分が水性媒体に接触した時に示す粘度の方が前記薬剤層の主成分が同じ水性媒体の中で同じ度合の水和を受けた時に示す粘度よりも高い、
投薬形態物。 - 前記遅延層が水性媒体の中で示す粘度が150cpsより高い請求項5記載の投薬形態物。
- 経口投与後に長期に渡って実質的に上昇する薬剤放出速度を示す請求項5記載の投与形態物。
- 更に前記遅延層と前記薬剤層の間に位置していて形状が前記出口開口部に対して凸状である界面境界も含んで成る請求項8記載の投薬形態物。
- 前記遅延層と前記薬剤層の成形が前記薬剤層をこれの形態に圧縮する前に前記遅延層をこれの形態に圧縮する圧縮順で実施されたものである請求項26記載の投薬形態物。
- 前記薬剤層がシクロベンザプリン、アミトリプチリン、イミプラミンおよびデシプラミンから成る群から選択された薬剤を含んで成る請求項1記載の投薬形態物。
- 前記薬剤層がシクロベンザプリンを含んで成りかつヒトに経口投与された後の血漿シクロベンザプリン濃度が投与後3から4時間で6から8ng/mlになりそして投与後8から20時間で約8から12ng/mlになる請求項1記載の投薬形態物。
- 遅延層と薬剤層を含んで成る投薬形態物から遅延層材料と薬剤層材料が出口開口部を通って放出される度合を制御する方法であって、遅延層を前記薬剤層と前記出口開口部の間に位置させて前記遅延層が示す粘度の方が前記薬剤層が示す粘度よりも高くなるようにすることを含んで成る方法。
- 遅延層と薬剤層を含んで成る投薬形態物から遅延層材料と薬剤層材料が出口開口部を通って放出される度合を制御する方法であって、遅延層を前記薬剤層と前記出口開口部の間に位置させて前記遅延層の主成分が示す粘度の方が前記薬剤層の主成分が示す粘度よりも高くなるようにすることを含んで成る方法。
- 前記薬剤層が三環状アミンを含んで成る請求項5記載の投薬形態物。
- 前記薬剤層がシクロベンザプリンを含んで成る請求項32記載の投薬形態物。
- 前記薬剤層がアミトリプチリンを含んで成る請求項32記載の投薬形態物。
- 前記薬剤層がイミプラミンを含んで成る請求項32記載の投薬形態物。
- 前記薬剤層がデシプラミンを含んで成る請求項32記載の投薬形態物。
- 遅延放出投薬形態物から薬剤層が放出される度合を制御する方法であって、該投薬形態物が放出前の遅延層と薬剤層が入る区分室および前記遅延層と薬剤層の材料を放出させる出口開口部を有していて前記遅延層が前記薬剤層と前記遅延層の間に界面が存在するように前記薬剤層と前記開口部の間に位置し、
前記薬剤層と前記遅延層の形状を前記界面の形状が前記出口開口部に対して実質的に凸状であるように設定する、
ことを含んで成る方法。 - 更に前記薬剤層と前記遅延層の形状を前記薬剤層と前記遅延層の間に界面が存在しかつ前記界面が前記出口開口部に対して実質的に凸状であるように設定することも含んで成る請求項9記載の方法。
- 更に前記薬剤層と前記遅延層の形状を前記薬剤層と前記遅延層の間に界面境界が存在しかつ前記界面の境界が前記出口開口部に対して実質的に凸状であるように設定することも含んで成る請求項10記載の方法。
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US11253528B2 (en) | 2013-03-15 | 2022-02-22 | Eirgen Pharma Ltd. | Stabilized modified release Vitamin D formulation and method of administering same |
US11672809B2 (en) | 2010-03-29 | 2023-06-13 | Eirgen Pharma Ltd. | Methods and compositions for reducing parathyroid levels |
US11752158B2 (en) | 2007-04-25 | 2023-09-12 | Eirgen Pharma Ltd. | Method of treating vitamin D insufficiency and deficiency |
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US7387793B2 (en) * | 2003-11-14 | 2008-06-17 | Eurand, Inc. | Modified release dosage forms of skeletal muscle relaxants |
WO2010133961A1 (en) | 2009-05-22 | 2010-11-25 | Inventia Healthcare Private Limited | Extended release compositions of cyclobenzaprine |
CN109316457B (zh) * | 2018-11-26 | 2021-07-13 | 正大制药(青岛)有限公司 | 一种盐酸环苯扎林缓释制剂及其制备方法 |
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- 2004-02-11 EP EP04710282A patent/EP1592410B1/en not_active Expired - Lifetime
- 2004-02-11 JP JP2006503564A patent/JP2006517593A/ja active Pending
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Cited By (10)
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US11007204B2 (en) | 2006-02-03 | 2021-05-18 | Opko Renal, Llc | Treating vitamin D insufficiency and deficiency with 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 |
US11911398B2 (en) | 2006-02-03 | 2024-02-27 | Opko Renal, Llc | Treating Vitamin D insufficiency and deficiency with 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 |
US10668089B2 (en) | 2006-06-21 | 2020-06-02 | Opko Ireland Global Holdings, Ltd. | Method of treating and preventing secondary hyperparathyroidism |
US11154509B2 (en) | 2007-04-25 | 2021-10-26 | Eirgen Pharma Ltd. | Methods for controlled release oral dosage of a vitamin D compound |
US11752158B2 (en) | 2007-04-25 | 2023-09-12 | Eirgen Pharma Ltd. | Method of treating vitamin D insufficiency and deficiency |
US11672809B2 (en) | 2010-03-29 | 2023-06-13 | Eirgen Pharma Ltd. | Methods and compositions for reducing parathyroid levels |
US11253528B2 (en) | 2013-03-15 | 2022-02-22 | Eirgen Pharma Ltd. | Stabilized modified release Vitamin D formulation and method of administering same |
US11007205B2 (en) | 2014-08-07 | 2021-05-18 | Eirgen Pharma Ltd. | Adjunctive therapy with 25-hydroxyvitamin D and articles therefor |
US11738033B2 (en) | 2014-08-07 | 2023-08-29 | Eirgen Pharma Ltd. | Adjunctive therapy with 25-hydroxyvitamin D and articles therefor |
US11173168B2 (en) | 2016-03-28 | 2021-11-16 | Eirgen Pharma Ltd. | Methods of treating vitamin D insufficiency in chronic kidney disease |
Also Published As
Publication number | Publication date |
---|---|
EP1592410A1 (en) | 2005-11-09 |
WO2004071497A1 (en) | 2004-08-26 |
ATE401866T1 (de) | 2008-08-15 |
EP1592410B1 (en) | 2008-07-23 |
KR20050123097A (ko) | 2005-12-29 |
DE602004015246D1 (de) | 2008-09-04 |
US20040197407A1 (en) | 2004-10-07 |
CA2515641A1 (en) | 2004-08-26 |
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