JP2008516971A - 錠剤による負荷が軽減されるリン酸塩結合剤 - Google Patents
錠剤による負荷が軽減されるリン酸塩結合剤 Download PDFInfo
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- JP2008516971A JP2008516971A JP2007536939A JP2007536939A JP2008516971A JP 2008516971 A JP2008516971 A JP 2008516971A JP 2007536939 A JP2007536939 A JP 2007536939A JP 2007536939 A JP2007536939 A JP 2007536939A JP 2008516971 A JP2008516971 A JP 2008516971A
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Abstract
Description
La2O3換算で29.2wt%の濃度のLaCl3(塩化ランタン)を含む、334.75mlの体積のHCl溶液を、4リットルビーカーに入れ、撹拌しながら80℃に加熱した。LaCl3溶液の最初のpHは、2.2であった。加熱されたビーカーに、63.59gの炭酸ナトリウム(Na2CO3)を含む265mlの水溶液を、小型ポンプを用いて、定常流速で2時間かけて添加した。ろ紙を取り付けたブフナーろ過器を用いて、白色粉末生成物からろ過液を分離した。ろ過ケーキは、2リットルの蒸留水を用いて、4回混合し、さらにろ過して、反応の際に生じたNaClを洗浄除去した。洗浄されたろ過ケーキを対流式オーブン内に置き、105℃で2時間保持し、または重量が安定するまで保持した。生成物は、炭酸ランタンの水酸化物LaCO3OHからなる。図1には、化合物のX線回折走査結果を、照合サンプルと比較して示す。
La2O3換算で29.2wt%の濃度のLaCl3(塩化ランタン)を含む、334.75mlの体積のHCl溶液を、4リットルビーカーに入れ、撹拌しながら80℃に加熱した。LaCl3溶液の最初のpHは、2.2であった。加熱されたビーカーに、63.59gの炭酸ナトリウム(Na2CO3)を含む265mlの水溶液を、小型ポンプを用いて、定常流速で2時間かけて添加した。濾紙を取り付けたブフナーろ過器を用いて、白色粉末生成物からろ過液を分離した。ろ過ケーキは、2リットルの蒸留水を用いて、4回混合し、さらにろ過して、反応の際に生じたNaClを洗浄除去した。洗浄されたろ過ケーキを対流式オーブン内に置き、105℃で2時間保持し、または重量が安定するまで保持した。最後に、ランタンオキシカーボネートをアルミナ皿に置き、これをマッフル炉内に設置した。炉の温度は、500℃まで昇温し、その温度で3時間保持した。得られた生成物は、無水和ランタンオキシカーボネートLa2O2CO3であることを確認した。図2には、X線回折走査の結果を、照合標準と比較して示す。
酢酸ランタンとして100g/lのLaを含む溶液を、250℃の出口温度のスプレー乾燥器内に注入した。スプレー乾燥ステップに対応する中間生成物は、バッグフィルタに捕集される。この中間生成物を、600℃で4時間焼成した。この生成物のX線回折の結果、生成物は、無水ランタンオキシカーボネートからなることが示された。この化合物の一般式は、La2CO5で表される。
La2O3換算で29.2wt%の濃度のLaCl3(塩化ランタン)を含む、334.75mlの体積のHCl溶液を、4リットルビーカーに入れ、撹拌しながら80℃に加熱した。LaCl3溶液の最初のpHは、2.2であった。加熱されたビーカーに、63.59gの炭酸ナトリウム(Na2CO3)を含む265mlの水溶液を、小型ポンプを用いて、定常流速で2時間かけて添加した。ろ紙を取り付けたブフナーろ過器を用いて、白色粉末生成物からろ過液を分離した。ろ過ケーキは、それぞれ2リットルの蒸留水を用いて、4回混合し、さらにろ過して、反応の際に生じたNaClを洗浄除去した。洗浄されたろ過ケーキを対流式オーブン内に置き、105℃で2時間保持し、または重量が安定するまで保持した。生成物のX線回折パターンから、生成物は、炭酸ランタン水酸化物LaCO3OHからなることが示された。BET法により、生成物の表面積を求めた。
ラットによる生体内評価
6匹の成人のスピローグドーリー(Sprague-Dawley)ラットに対して、2週間かけて、2段階で5/6の腎摘出を行い、その後、無作為抽出による処置の前に、さらに2週間かけて回復させた。この群に、賦形剤(0.5wt%カルボキシルメチルセルロース)、または賦形剤に懸濁されたランタンオキシカーボネートを、1日に1回合計14日間、口腔洗浄により、与えた(10ml/kg/日)。供給投与量は、ランタン元素換算で314mg/kg/日である。投与は、毎日の暗(供給)サイクル前に迅速に実施した。手術の前、すなわち処置の前には、尿サンプル(24時間)を回収し、処置の間は、尿サンプルを1週間に2回回収した。体積およびリンの濃度を測定した。
犬による評価
6匹の成人のビーグル犬に、1日に2回(6時間間隔を空けて)、ランタン元素換算で2250mgの投与量で、交差設計された、ランタンオキシカーボネートLaCO3OH(化合物A)またはLa2O2CO3(化合物B)のカプセルを経口投与した。投与は、動物への食物の提供から30分後に実施した。交差アームの間で、少なくとも14日間、洗浄を実施した。投与前、および投与から1.5、3、6、7.5、9、12、24、36、48、60、72時間後に、プラズマを付与し、ICP−MSを用いてランタンを分析した。投与前および投与後に、カテーテル法により尿を回収して、クレアチニンとリンの濃度を測定した。評価試験により、リンの結合の指標となる、尿からのリンの排出量が低下していることがわかった。
Claims (15)
- リン酸塩結合剤を有し、
体積が0.3cm3から1.2cm3の間にあり、
末期腎不全および一般的な腎不全で苦しむ患者が1日3個または2個以下のタブレットの摂取で十分な量のリン酸塩結合剤を含む、製剤。 - 前記リン酸塩結合剤は、LaCO3OH、1≦x≦3として、La2O(CO3)2・xH2O、およびLa2O2CO3からなる群から選定されることを特徴とする請求項1に記載の製剤。
- さらに、質量賦形剤を有し、
該質量賦形剤は、ラクトース、ソルビトール、マンニトール、リン酸カルシウム、硫酸カルシウム、デキストロース、スクロースおよびパラチネート(palatinate)からなる群から選定されることを特徴とする請求項1に記載の製剤。 - さらに、バインダを有し、
該バインダは、カルボポル、プロビドン、キサンタンガム、アカシア、トラガカント、澱粉、アルギン酸ナトリウム、および砂糖からなる群から選定されることを特徴とする請求項1に記載の製剤。 - さらに、コーティングを有し、
該コーティングは、フタル酸セルロース、酢酸フタル酸セルロース、エチルセルロース、ゲランガム、マルトデキストリン、メタクリレート、メチルセルロース、微細結晶質セルロースおよびカラギナン、シェラック、スクロース、ならびにポリビニル誘導体からなる群から選定されることを特徴とする請求項1に記載の製剤。 - さらに、圧縮剤またはカプセル化助剤を有し、
該圧縮剤またはカプセル化助剤は、微細結晶質セルロース;分子量が10,000から30,000の間のPVP;炭酸カルシウム;デキストロース;フルクトース;フルクトースDC;ハニー(honey)DC;ラクトース無水和物;ラクトース1水和物;ラクトースおよびアスパルテーム;ラクトースおよびセルロース;ラクトースおよび微細結晶質セルロース;マルトデキストリン;マルトースDC、;マンニトール;微細結晶質セルロースおよびグアールガム;微細結晶質セルロースおよびラクトース;糖液DC;ソルビトール、結晶質;澱粉DC;ならびにスクロースからなる群から選定されることを特徴とする請求項1に記載の製剤。 - さらに、錠剤分解物質を有し、
該錠剤分解物質は、架橋ビニルピロリドン;架橋カルボキシメチルセルロース;架橋クロスカルメロース;カルボキシメチルアミドン;クロスポビドン;ゲランガム;L−HPC;グリコール酸ナトリウムスターチ;および澱粉DCからなる群から選定されることを特徴とする請求項1に記載の製剤。 - さらに、潤滑剤を有し、
該潤滑剤は、パルミトステアリン酸グリセロール、ステアリン酸マグネシウム;ステアリン酸;ステアリン酸カルシウム;ステアリン酸アルカリ;タルク;およびフマル酸ステアリルナトリウムからなる群から選定されることを特徴とする請求項1に記載の製剤。 - さらに、可塑剤を有し、
該可塑剤は、セバシン酸ジブチル;およびフタル酸ポリ酢酸ビニルからなる群から選定されることを特徴とする請求項1に記載の製剤。 - さらに、粉末潤滑剤を有し、
該粉末潤滑剤は、ベヘン酸グリセリルであることを特徴とする請求項1に記載の製剤。 - さらに、スリップまたは抗静電剤を有し、
該スリップまたは抗静電剤は、コロイダルシリカであることを特徴とする請求項1に記載の製剤。 - さらに、甘味料を有し、
該甘味料は、アスパルテーム;アスパルテームおよびラクトース;デキストロース;フルクトースDC;ハニーDC;マルトデキストリン;マルトースDC;マンニトールDC;糖液DC;ソルビトール、結晶質;ソルビトール、特殊溶液;ならびにスクロースDCからなる群から選定されることを特徴とする請求項1に記載の製剤。 - 末期腎不全を処置する方法であって、
請求項1に記載の製剤の投与を行うステップを有する方法。 - 末期腎不全を処置する方法であって、
請求項2に記載の製剤の投与を行うステップを有する方法。 - 請求項1に記載の組成物を製造する方法であって、
単位平方インチ当たり1,000から50,000ポンドの圧力を用いて、ランタン系リン酸塩結合剤を直接圧縮するステップを有する方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61904504P | 2004-10-15 | 2004-10-15 | |
| PCT/US2005/037015 WO2006044657A2 (en) | 2004-10-15 | 2005-10-13 | Phosphate binder with reduced pill burden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2008516971A true JP2008516971A (ja) | 2008-05-22 |
Family
ID=36203554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007536939A Pending JP2008516971A (ja) | 2004-10-15 | 2005-10-13 | 錠剤による負荷が軽減されるリン酸塩結合剤 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US20060134225A1 (ja) |
| EP (1) | EP1809305A4 (ja) |
| JP (1) | JP2008516971A (ja) |
| AU (1) | AU2005295609A1 (ja) |
| CA (1) | CA2583548A1 (ja) |
| WO (1) | WO2006044657A2 (ja) |
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| US8741840B2 (en) | 2008-02-13 | 2014-06-03 | Washington University | BMP-7 for use in treating neointimal hyperplasia |
| JP2016065029A (ja) * | 2014-09-15 | 2016-04-28 | 富田製薬株式会社 | ランタン低吸収型経口リン吸着剤 |
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| US9511091B2 (en) | 2002-05-24 | 2016-12-06 | Spectrum Pharmaceuticals, Inc. | Rare earth metal compounds, methods of making, and methods of using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9511091B2 (en) | 2002-05-24 | 2016-12-06 | Spectrum Pharmaceuticals, Inc. | Rare earth metal compounds, methods of making, and methods of using the same |
| US8741840B2 (en) | 2008-02-13 | 2014-06-03 | Washington University | BMP-7 for use in treating neointimal hyperplasia |
| JP2013531598A (ja) * | 2010-05-12 | 2013-08-08 | スペクトラム ファーマシューティカルズ インコーポレイテッド | 炭酸ランタン水酸化物、ランタンオキシカルボネートならびにその製造および使用方法 |
| JP2016121198A (ja) * | 2010-05-12 | 2016-07-07 | スペクトラム ファーマシューティカルズ インコーポレイテッド | 炭酸ランタン水酸化物、ランタンオキシカルボネートならびにその製造および使用方法 |
| JP2018168156A (ja) * | 2010-05-12 | 2018-11-01 | スペクトラム ファーマシューティカルズ インコーポレイテッド | 炭酸ランタン水酸化物、ランタンオキシカルボネートならびにその製造および使用方法 |
| US10350240B2 (en) | 2010-05-12 | 2019-07-16 | Spectrum Pharmaceuticals, Inc. | Lanthanum carbonate hydroxide, lanthanum oxycarbonate and methods of their manufacture and use |
| JP2021183642A (ja) * | 2010-05-12 | 2021-12-02 | スペクトラム ファーマシューティカルズ インコーポレイテッド | 炭酸ランタン水酸化物、ランタンオキシカルボネートならびにその製造および使用方法 |
| US11406663B2 (en) | 2010-05-12 | 2022-08-09 | Unicycive Therapeutics, Inc. | Lanthanum carbonate hydroxide, lanthanum oxycarbonate and methods of their manufacture and use |
| JP7280318B2 (ja) | 2010-05-12 | 2023-05-23 | ユニサイシブ セラピューティクス インコーポレイテッド | 炭酸ランタン水酸化物、ランタンオキシカルボネートならびにその製造および使用方法 |
| JP2016065029A (ja) * | 2014-09-15 | 2016-04-28 | 富田製薬株式会社 | ランタン低吸収型経口リン吸着剤 |
| JP2016069365A (ja) * | 2014-09-30 | 2016-05-09 | 富田製薬株式会社 | ランタン低吸収型経口リン吸着剤 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2005295609A1 (en) | 2006-04-27 |
| US20060134225A1 (en) | 2006-06-22 |
| US20100119602A1 (en) | 2010-05-13 |
| EP1809305A2 (en) | 2007-07-25 |
| WO2006044657A2 (en) | 2006-04-27 |
| EP1809305A4 (en) | 2009-12-30 |
| WO2006044657A3 (en) | 2009-04-02 |
| CA2583548A1 (en) | 2006-04-27 |
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