JP5982473B2 - 血清リンを調節するための治療剤 - Google Patents
血清リンを調節するための治療剤 Download PDFInfo
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- JP5982473B2 JP5982473B2 JP2014514910A JP2014514910A JP5982473B2 JP 5982473 B2 JP5982473 B2 JP 5982473B2 JP 2014514910 A JP2014514910 A JP 2014514910A JP 2014514910 A JP2014514910 A JP 2014514910A JP 5982473 B2 JP5982473 B2 JP 5982473B2
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Description
配列表は、2012年6月8日に作成され、「632008021US00.txt」(87,702バイト)という名称のテキストファイル形式でEFSを介して電子的に提示されており、その内容の全体が参照により本明細書に組み込まれる。
本発明は、例えば、以下を提供する。
(項目1)
血液透析を受けている患者における慢性腎疾患に伴う骨ミネラル代謝異常(CKD−MBD)の処置において使用するための、式:
X 1 −X 2 −X 3 −X 4 −X 5 −X 6 −X 7
を含み、ここで、
X 1 は、チオール含有基を含むサブユニットであり;X 5 は、カチオン性サブユニットであり;X 6 は、非カチオン性サブユニットであり;X 7 は、カチオン性サブユニットであり;
X 2 、X 3 およびX 4 のうちの少なくとも2つは、独立に、カチオン性サブユニットである、
化合物を含む組成物であって、
血液透析が完了する約15分前に始まり血液透析が完了した約3時間後に終わる期間内に投与され、該投与するステップが、透析後少なくとも約6時間の期間にわたって血液透析前の血清リンレベルよりも低い血液透析後の血清リンレベルを維持するために有効である、組成物。
(項目2)
前記化合物がAc−c(C)arrrar−NH 2 (配列番号3)を含む、項目1に記載の組成物。
(項目3)
前記化合物が配列番号3の薬学的に許容される塩を含む、項目2に記載の組成物。
(項目4)
前記塩が塩酸塩である、項目3に記載の組成物。
(項目5)
前記化合物が、血液透析が完了する約15分前に始まり血液透析の約1時間後に終わる期間内に投与される、項目1から4までのいずれか一項に記載の組成物。
(項目6)
前記化合物が透析の最後の返血手順の間に投与される、項目1から4までのいずれか一項に記載の組成物。
(項目7)
前記患者がホスフェート結合剤で処置されている、項目1から6までのいずれか一項に記載の組成物。
(項目8)
前記投与するステップが、血液透析前の血清リンレベルよりも少なくとも約10%低い血液透析後の血清リンレベルを透析と透析の間の期間にわたって維持するために有効である、項目1から6までのいずれか一項に記載の組成物。
(項目9)
患者が二次性副甲状腺機能亢進症または原発性副甲状腺機能亢進症について処置されている、項目1から6までのいずれか一項に記載の組成物。
(項目10)
血液透析を受けている患者のCKD−MBDを処置するための化合物を投与するための投薬レジメンであって、該レジメンは、該患者に、経口カルシウム感知受容体アゴニストを投与するステップを含み、該アゴニストを血液透析が完了する約6時間前に始まり血液透析が完了した約1時間後に終わる期間内に投与し、該投与するステップが、透析が完了した後少なくとも約6時間の期間にわたって、血液透析前の血清リンレベルよりも低い血液透析後の血清リンレベルを維持するために有効である、投薬レジメン。
(項目11)
カルシウム模倣薬がシナカルセト塩酸塩(C 22 H 22 F 3 N・HCl)である、項目14に記載の投薬レジメン。
(項目12)
前記患者がホスフェート結合剤で処置されている、項目10または11に記載の投薬レジメン。
(項目13)
前記患者が二次性副甲状腺機能亢進症または原発性副甲状腺機能亢進症について処置されている、項目10または11に記載の投薬レジメン。
(項目14)
前記投与するステップが、血液透析前の血清リンレベルよりも少なくとも約10%低い血液透析後の血清リンレベルを、透析と透析の間の期間にわたって維持するために有効である、項目10または11に記載の投薬レジメン。
本出願の範囲内では、別段の指定のない限り、本出願の用語の定義および技法の実例は、いくつかの周知の参考文献、例えば:Sambrook、J.ら、Molecular Cloning:A Laboratory Manual、Cold Spring Harbor Laboratory Press(1989年);Goeddel、D.編、Gene Expression Technology、Methods in Enzymology、185巻、Academic Press、San Diego、CA(1991年);「Guide to Protein Purification」Deutshcer、M.P.編、Methods in Enzymology、Academic Press、San Diego、CA(1989年);Innisら、PCR Protocols:A guide to Methods and Applications、Academic Press、San Diego、CA(1990年);Freshney、R.I.、Culture of Animal Cells:A Manual of Basic Technique、第2版、Alan Liss、Inc. New York、NY(1987年);Murray、E.J.編、Gene Transfer and Expression Protocols、109〜128頁、The Humana Press Inc.、Clifton、NJおよびLewin、B.、Genes VI、Oxford University Press、New York(1997年)などのいずれかにおいて見ることができる。
一態様では、高リン酸血症の処置を必要とする被験体において高リン酸血症を処置するための方法が提供される。他の態様では、透析患者における血清リンレベルを調整する、制御する、および/または低下させる方法が提供される。他の態様では、少なくとも定期的な透析を受けている患者の処置を改善する方法が提供される。別の態様では、透析を受けている被験体におけるホスフェートリバウンドを低下させるためおよび/または減弱させるための方法が提供される。これらの態様および態様の複数の実施形態をここで記載する。
本明細書に記載の方法は、被験体にCaSRアゴニストを投与するステップを含む。そのようなアゴニストは、米国特許第6,011,068号および同第6,031,003号および米国特許公開第2011/0028394号および同第2009/0023652号(それらの全体が参照により本明細書に組み込まれる)に記載されている。
いくつかの化合物を、血清リンの減少および高リン酸血症に対するそれらの効果を試験するために合成した。それらの化合物は、以下の表2に列挙されている。表1において、および本明細書全体を通して、大文字で提供される残基はL−アミノ酸であり、一方小文字はD−アミノ酸を示す。「Ac」はアセチルキャップ形成基を示し、「NH2」はアミドキャップ形成基を示し、「Ac−bAla」はアセチル化されたベータアラニンであり、「GSH」は還元型グルタチオンを示し、「GS」は酸化型グルタチオンを示し、「PEG」はポリエチレングリコールを指し、「PEG2」および「PEG5」は、それぞれ2kDaおよび5kDaのポリエチレングリコール部分を指し、「Mpa」はメルカプトプロピオン酸を指す。括弧でくくられた基は、基または部分が前のサブユニットまたはアミノ酸残基の側鎖に結合していることを示す。
一部の実施形態では、化合物は、化合物のチオールとコンジュゲート基由来のチオールとの間のジスルフィド結合によって、チオール含有コンジュゲート基と化学的に架橋している。チオール含有コンジュゲート基は、システインなどの低分子、またはシステイン残基を含有するポリペプチドなどの高分子であってよい。適切なチオール含有コンジュゲート基の例としては、システイン、グルタチオン、チオアルキル、チオベンジルなどの部分、メルカプトプロピオン酸、N−アセチル化システイン、システアミド、N−アセチルシステアミド(N−acetylcysteamide)、ホモシステイン、ペニシラミン、およびポリ(エチレングリコール)(PEG)修飾(「ペグ化」と称される)チオール、例えばペグ化システインなど、または化合物の複製物(すなわち、ジスルフィド結合によって連結されたホモ二量体を形成するための)が挙げられる。好ましい実施形態では、チオール含有コンジュゲート基は、システインである。他のシステインホモログも、単独で、または大きなコンジュゲート基に含まれるかのいずれかで、チオール含有コンジュゲート基として使用することが意図されている。同様に、システイン、ホモシステイン、およびシステアミド(cysteamide)の立体異性体は、チオール含有部分として使用するのに適している。コンジュゲート基を使用して、医薬製品の化学的安定性および、したがって貯蔵寿命を改善することができる。ある特定の実施形態では、チオール含有コンジュゲート基とペプチドは同一であり(すなわち、コンジュゲートは二量体である)、それは予想外にシステインなどの異種性のコンジュゲート基と比較して非常に良好な化学的安定性を示した。理論に束縛されることなく、おそらく、チオール含有コンジュゲート基とペプチドが同一である場合、任意の不均化(例えば、コンジュゲート基をスクランブルすること)により、元の二量体化合物が再構成される。対照的に、システインなどの異種性のコンジュゲート基を用いて化合物を不均化することにより、ペプチドのホモ二量体とシスチン(システイン−システインホモ二量体)と残りの親化合物の形成が導かれ得る。ペプチドのホモ二量体(すなわち、コンジュゲート基とペプチドが同一である)は、体循環内の還元型システインが高濃度なので、in vivoでシステインがコンジュゲートした形態のペプチドに変換されることになる。
好ましい実施形態では、上記チオール含有コンジュゲート基はN末端キャップおよびC末端キャップの両方を有する。いくつかの実施形態では、上記チオール含有コンジュゲート基は、それ自体が配列番号161のアミノ酸配列を含むペプチドである。いくつかの実施形態では、上記チオール含有コンジュゲート基と上記ペプチドは同一である(すなわち、コンジュゲートは二量体である)。
SHPTを有する血液透析中のESRD患者において最初の第1相無作為化二重盲検プラセボ対照単回投与用量漸増二期間クロスオーバー試験を行った。この試験は、一部、配列番号3を健康な男性のボランティアに静脈内(IV)投与することの安全性、耐容性、薬物動態および薬力学を評価するため、ならびにこのプロトコールのための用量選択を通知するために行った。この試験はSHPTを有する血液透析被験体における第1b相試験であった。
第2相試験を、二重盲検無作為化プラセボ対照反復投与用量漸増試験として完了した。この試験は、慢性腎疾患に伴う骨ミネラル代謝異常(CKD−MBD)を有する血液透析被験体におけるSHPTの処置における配列番号3の効果を調査するための4週間の経過観察相を伴う単一群、非盲検12週間用量設定試験であった。この試験の主要な目的は、CKD−MBDを有する血液透析被験体のSHPTの処置における、有効性期間中のiPTHのベースラインからのパーセント変化によって評価される、配列番号3を週に3回IV投与することの効果を評価することであった。さらに、副次的な目的は、血清cCa(補正カルシウム)およびリンのベースラインからの変化を評価することであった。
Claims (9)
- 血液透析を受けている患者における慢性腎疾患に伴う骨ミネラル代謝異常(CKD−MBD)の処置において使用するための、Ac−c(C)arrrar−NH 2 (配列番号3)を含む化合物を含む組成物であって、
血液透析が完了する約15分前に始まり血液透析が完了した約3時間後に終わる期間内に該患者に静脈内投与され、該投与が、透析後少なくとも約6時間の期間にわたって血液透析前の血清リンレベルよりも低い血液透析後の血清リンレベルを維持するために有効である、組成物。 - 血液透析の直後に始まり血液透析が完了した約3時間後に終わる期間内に投与される、請求項1に記載の組成物。
- 前記化合物が配列番号3の薬学的に許容される塩を含む、請求項1または2に記載の組成物。
- 前記塩が塩酸塩である、請求項3に記載の組成物。
- 前記組成物が、血液透析が完了する約15分前に始まり血液透析の約1時間後に終わる期間内に投与される、請求項1および3から4までのいずれか一項に記載の組成物。
- 前記組成物が透析の最後の返血手順の間に投与される、請求項1および3から4までのいずれか一項に記載の組成物。
- 前記患者がホスフェート結合剤で処置されている、請求項1から6までのいずれか一項に記載の組成物。
- 前記投与が、血液透析前の血清リンレベルよりも少なくとも約10%低い血液透析後の血清リンレベルを透析と透析の間の期間にわたって維持するために有効である、請求項1から6までのいずれか一項に記載の組成物。
- 患者が二次性副甲状腺機能亢進症または原発性副甲状腺機能亢進症について処置されている、請求項1から6までのいずれか一項に記載の組成物。
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RU2686086C1 (ru) * | 2018-05-17 | 2019-04-24 | федеральное государственное бюджетное образовательное учреждение высшего образования "Первый Санкт-Петербургский государственный медицинский университет имени академика И.П. Павлова" Министерства здравоохранения Российской Федерации | Способ коррекции пресаркопении или саркопении у пациента с адекватным потреблением основных нутриентов, получающего лечение программным гемодиализом |
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HUE032087T2 (en) | 2017-08-28 |
BR112013031539A2 (pt) | 2019-07-30 |
SI2717896T1 (sl) | 2017-04-26 |
ES2607986T3 (es) | 2017-04-05 |
AU2012267470C1 (en) | 2017-09-21 |
KR102057508B1 (ko) | 2019-12-19 |
PT2717896T (pt) | 2016-12-23 |
RS55503B1 (sr) | 2017-05-31 |
US20130150301A1 (en) | 2013-06-13 |
EP2717896B1 (en) | 2016-08-24 |
RU2612912C2 (ru) | 2017-03-13 |
PL2717896T3 (pl) | 2017-05-31 |
EP2717896A1 (en) | 2014-04-16 |
CN103857405A (zh) | 2014-06-11 |
CA2837445A1 (en) | 2012-12-13 |
CN103857405B (zh) | 2015-12-02 |
JP2014522414A (ja) | 2014-09-04 |
CY1118430T1 (el) | 2017-06-28 |
MX337613B (es) | 2016-03-10 |
LT2717896T (lt) | 2017-02-27 |
HRP20161566T1 (hr) | 2017-02-24 |
KR20140035456A (ko) | 2014-03-21 |
RU2013157928A (ru) | 2015-07-20 |
SMT201700081B (it) | 2017-03-08 |
CA2837445C (en) | 2022-10-04 |
MX2013014249A (es) | 2014-01-24 |
DK2717896T3 (en) | 2016-12-19 |
WO2012170955A1 (en) | 2012-12-13 |
SG195290A1 (en) | 2013-12-30 |
US8969299B2 (en) | 2015-03-03 |
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