JP6531164B2 - 神経障害およびcns障害の処置におけるデンドリマー組成物および使用 - Google Patents
神経障害およびcns障害の処置におけるデンドリマー組成物および使用 Download PDFInfo
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- JP6531164B2 JP6531164B2 JP2017507403A JP2017507403A JP6531164B2 JP 6531164 B2 JP6531164 B2 JP 6531164B2 JP 2017507403 A JP2017507403 A JP 2017507403A JP 2017507403 A JP2017507403 A JP 2017507403A JP 6531164 B2 JP6531164 B2 JP 6531164B2
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Description
この出願は、2014年8月13日に出願された米国仮特許出願第62/036,675号および2014年8月13日に出願された同第62/036,839号(これらは、参考として援用される)への優先権を主張する。
本発明は、例えば、以下の項目を提供する。
(項目1)
脳の神経障害、神経変性障害、または神経発達障害を処置するための方法であって、前記障害を処置または診断するための治療薬剤、予防薬剤または診断薬剤にコンジュゲートしているかまたはこれらと複合体形成しているデンドリマーを含む薬学的に許容される組成物を、被験体に全身投与することを含む、方法。
(項目2)
前記デンドリマーが、少なくとも1つの治療薬剤に共有結合的に連結している、世代4〜10のポリ(アミドアミン)(PAMAM)ヒドロキシル末端デンドリマーである、項目1に記載の方法。
(項目3)
前記PAMAMデンドリマーが、世代6のPAMAMデンドリマーである、項目1に記載の方法。
(項目4)
治療薬剤にコンジュゲートしているかまたは治療薬剤と複合体形成している前記デンドリマーが、前記被験体のレット症候群および/または自閉症スペクトラム障害の1つまたは複数の症状を軽減するのに有効な量の単位投薬量にある、項目1から3のいずれかに記載の方法。
(項目5)
治療薬剤にコンジュゲートしている前記デンドリマーが、興奮毒性障害の1つまたは複数の症状を軽減するのに有効な量の単位投薬量にある、項目1から3のいずれかに記載の方法。
(項目6)
前記治療薬剤が、抗炎症薬剤または免疫抑制薬剤である、項目1から5のいずれかに記載の方法。
(項目7)
前記治療薬剤が、ステロイド系抗炎症薬剤、非ステロイド系抗炎症薬剤、および金化合物抗炎症薬剤からなる群より選択される、項目6に記載の方法。
(項目8)
前記治療薬剤が、抗興奮毒性薬剤である、項目1から3のいずれかに記載の方法。
(項目9)
前記治療薬剤が、バルプロ酸、D−アミノホスホノバレレート、D−アミノホスホノヘプタノエート、グルタミン酸形成/放出の阻害剤、バクロフェン、NMDA受容体アンタゴニスト、1−メチルトリプトファン、バルプロ酸、2−(3− グルタミン酸−カルボキシペプチダーゼ阻害剤(GCP−II)、例えばメルカプトプロピル)ペンタン二酸(2−MPPA)、2−(ホスホノメチル)ペンタン二酸(2−PMPA)、およびグルタミナーゼ阻害剤、例えばN−(5−{2−[2−(5−アミノ−[1,3,4]−チアジアゾール−2−イル)−エチルスルファニル]−エチル}−[1,3,4]チアジアゾール−2−イル)−2−フェニルアセトアミド、(ビス−2−[(1,2,4−チアジアゾール−2−イル)−5−フェニルアセトアミド]エチルスルフィド)、ラニビズマブ、ミノサイクリン、ならびにラパマイシンからなる群より選択される抗興奮毒性薬剤である、項目8に記載の方法。
(項目10)
前記デンドリマーが、第1の治療薬剤と、治療薬剤、予防薬剤、および診断薬剤からなる群より選択される第2の薬剤とにコンジュゲートしている、項目1から9のいずれかに記載の方法。
(項目11)
前記デンドリマーが、2つの治療薬剤にコンジュゲートしている、項目1から10のいずれかに記載の方法。
(項目12)
前記デンドリマーが、抗炎症薬剤および抗興奮毒性薬剤にコンジュゲートしている、項目11に記載の方法。
(項目13)
デンドリマー複合体が、ミクログリアおよび星状膠細胞に局在化し、これらを標的化するための治療的に活性な薬剤を含む、項目1から12のいずれかに記載の方法。
(項目14)
デンドリマー−治療薬剤が、RTTを有する個体に投与される、項目1から13のいずれかに記載の方法。
(項目15)
デンドリマーコンジュゲートまたは複合体が、懸濁物、乳濁液、または溶液中で製剤化される、項目1から14のいずれかに記載の方法。
(項目16)
デンドリマー組成物が、自閉症スペクトラム障害を有する個体に投与される、項目1から15のいずれかに記載の方法。
(項目17)
デンドリマー組成物が、RTTを有する個体に投与される、項目1から15のいずれかに記載の方法。
(項目18)
デンドリマー組成物が、興奮毒性障害を有する個体に投与される、項目1から15のいずれかに記載の方法。
(項目19)
前記組成物が、1日おき、3日毎、4日毎、毎週、隔週、毎月、および隔月からなる群より選択される期間で、前記被験体に投与される、項目1から18のいずれかに記載の方法。
(項目20)
デンドリマー−診断薬剤コンジュゲートを投与することと、次いで、脳内の前記コンジュゲートの場所を検出することとを含む、脳傷害の存在、場所または程度を評価するための、項目1から19のいずれかに記載の方法。
(項目21)
脳脊髄液および血清中のレベルを決定することと、比を評価することとを含む、項目1から20のいずれかに記載の方法。
(項目22)
項目1から13のいずれかに記載の方法における使用のための、デンドリマー組成物。
(項目23)
器官組織と比較して、脳脊髄液または脳中で高い濃度を有する、項目21に記載のデンドリマー組成物。
用語「治療薬剤」は、疾患または障害の1つまたは複数の症状を防止または処置するために投与することのできる薬剤を指す。例としては、以下に限定されないが、核酸、核酸類似体、小分子、ペプチド模倣剤(peptidomimetic)、タンパク質、ペプチド、炭水化物、もしくは糖、脂質、もしくは界面活性剤、またはそれらの組合せが挙げられる。
A.デンドリマー
本明細書に使用されるときの用語「デンドリマー」としては、以下に限定されないが、内部コアと、この起点コアに規則的に付着している繰り返し単位の内部層(または「世代」)と、最も外側の世代に付着している末端基の外部表面とを有する、分子構造物が挙げられる。デンドリマーの例としては、以下に限定されないが、PAMAM、ポリエステル、ポリリジン、およびPPIが挙げられる。PAMAMデンドリマーは、カルボキシル、アミン、およびヒドロキシル末端を有することができ、任意の世代のデンドリマーとすることができるが、そのようなものとしては、以下に限定されないが、世代1のPAMAMデンドリマー、世代2のPAMAMデンドリマー、世代3のPAMAMデンドリマー、世代4のPAMAMデンドリマー、世代5のPAMAMデンドリマー、世代6のPAMAMデンドリマー、世代7のPAMAMデンドリマー、世代8のPAMAMデンドリマー、世代9のPAMAMデンドリマー、または世代10のPAMAMデンドリマーが挙げられる。ともに使用するのに適したデンドリマーとしては、以下に限定されないが、ポリアミドアミン(PAMAM)、ポリプロピルアミン(POPAM)、ポリエチレンイミン(polyethylenimine)、ポリリジン、ポリエステル、イプチセン、脂肪族ポリ(エーテル)、および/または芳香族ポリエーテルのデンドリマーが挙げられる。デンドリマー複合体の各デンドリマーは、他のデンドリマーと同様のまたは異なる化学的性質を有していてもよい(例えば、第1のデンドリマーは、PAMAMデンドリマーを含んでもよく、一方で、第2のデンドリマーは、POPAMデンドリマーを含んでもよい)。一部の実施形態では、第1または第2のデンドリマーは、追加の薬剤をさらに含んでいてもよい。多重腕のPEGポリマーとしては、スルフヒドリルまたはチオピリジン末端基を保有する少なくとも2つの分枝を有するポリエチレングリコールが挙げられる。しかし、本明細書に開示される実施形態は、このクラスに限定されず、他の末端基、例えばスクシンイミジルまたはマレイミド末端などを保有するPEGポリマーを、使用することができる。分子量10kDaから80kDaのPEGポリマーを使用することができる。
下記は、リンカーとしてN−スクシンイミジル3−(2−ピリジルジチオ)プロピオネート(SPDP)を使用して、N−アセチルシステインをアミン末端第4世代PAMAMデンドリマー(PAMAM−NH2)にコンジュゲートするための合成スキームである。
初めに、バルプロ酸をチオール反応性基で官能化する。スキーム3に示すように、(CH2)2O−の3つの繰り返し単位を有する短鎖PEG−SHをバルプロ酸と、カップリング試薬としてDCCを使用して反応させる。得られた粗製のPEG−VPAをカラムクロマトグラフィーによって精製し、プロトンNMRによって特徴付けた。NMRスペクトルにおいて、PEGのOH基に近接するCH2プロトンのピークの3.65ppmから4.25ppmへのダウンシフトが存在し、それにより、PEG−VPAの形成が確認された。チオール基はまた、酸性官能基と反応しやすい場合があるが、NMRスペクトルは、PEGのチオール基に隣接するCH2プロトンに属するピークのいかなる下方シフトも示さなかった。これは、チオール基がチオール反応性官能化デンドリマーと自由に反応できることを示唆する。
デンドリマー複合体は、デンドリマーまたは多重腕のPEGにコンジュゲートまたは付着している治療的に活性な薬剤または化合物(以降「薬剤」とする)から形成され得る。付加は、薬剤とデンドリマーとの間にジスルフィド架橋を提供する適切なスペーサーを介して起こりうる。本デンドリマー複合体は、体内に見出される還元条件下で、in vivoでチオール交換反応によって、薬剤を速やかに放出することが可能である。
本明細書で使用される「デンドリマー複合体」という用語は、デンドリマーと、治療的に活性な薬剤、予防的に活性な薬剤および/または診断的に活性な薬剤との組合せを指す。デンドリマーはまた、標的化薬剤を含んでもよいが、実施例によって実証されるように、これらは、傷害脳への送達に必要ではない。これらのデンドリマー複合体は、in vivoで存在する還元条件下で薬物を細胞内に優先的に放出できる、PAMAMデンドリマーまたは多重腕PEGに付着またはコンジュゲートしている薬剤を含む。デンドリマー複合体は、i.v.注射によって投与された場合、疾患状態でのみ血液脳関門(BBB)を優先的に横断することができ、正常状態では横断しない。デンドリマー複合体はまた、神経炎症、脳性麻痺、ALSならびに炎症および組織への損傷を特徴とする他のCNS疾患における治療薬の標的化送達に有用である。
本デンドリマーは、硬膜下、静脈内、羊膜内(intra−amniotic)、腹腔内、または皮下の経路によって、非経口的に投与することができる。
A.脳およびCNSへの送達
治療薬剤、予防薬剤または診断薬剤に連結している、デンドリマー、好ましくは少なくとも第4世代のデンドリマー、より好ましくは少なくとも世代6のデンドリマーを含む、デンドリマー複合体組成物は、脳性麻痺を含む、いくつかの神経変性疾患の病因において重大な役割を果たすミクログリアおよび星状膠細胞を選択的に標的化することができる。これらの細胞を標的化することによって、デンドリマーは、神経炎症を処置するために特異的に薬剤を送達する。
脳の炎症は、RTTおよび自閉症スペクトラム障害を有する小児における病因および症状の悪化において重大な役割を果たす。本明細書で使用される場合、「脳の炎症性疾患」という用語は、American Psychiatric AssociationのDiagnostic and Statistical Manual Vにおいて分類されるように、脳のミクログリアまたは星状膠細胞の活性化に関連する脳の疾患、例えばRTTおよび自閉症スペクトラム障害を意味する。
レット症候群(RTT)は、消耗性神経発達障害の一例であり、自閉症スペクトラム障害と共通する多くの態様を有する。RTTは、初めは正常に見える小児において、発達を遅らせ、続いて機能を突然退行させることによって女児に影響を及ぼす。脳の炎症は、RTTおよび自閉症を有する小児における病因および症状の悪化において重大な役割を果たす。これらの障害に利用可能な治癒法は存在しない。
自閉症スペクトラム障害(ASD)は、以下を特徴とする:
複数の状況にわたる社会的コミュニケーションおよび社会的相互作用の持続的欠陥;
制限された、反復的パターンの行動、関心、または活動;
症状が、発達初期において存在しなければならない(典型的には、生後最初の2年内に認識される);および
症状が、社会的、職業的、または他の重要領域の現在の機能における臨床的に有意な機能障害を引き起こす。
ASDを有する小児のために適応外処方されうる一部の薬物療法には、以下が含まれる:
興奮毒性は、神経細胞が過剰に刺激されたことに起因して損傷を受けるプロセスである。脳卒中、外傷性脳傷害、多発性硬化症、筋萎縮性側索硬化症、アルツハイマー病、および脊髄傷害を含むいくつかの状態は、興奮毒性に関係する。神経細胞への損傷は、対応する神経症状をもたらし、症状は、損傷を受けた細胞および損傷の程度に応じて変動しうる。神経細胞は、一度損傷を受けると、修復することができず、患者は恒久的な機能障害を経験しうる。
RTTを有するマウスへのデンドリマー−薬物コンジュゲートの全身投与。
材料および方法
体重および行動もまた評価した。炎症マーカーの評価のための標準的なマウスプライマーを使用して、サイトカインを測定した(Kannan Sら、Sci. Transl. Med.、4巻:130ra46頁(2012年))。
デンドリマーコンジュゲートは、脳内で、炎症を媒介する活性化ミクログリア中に蓄積しうる。症候性のRTTマウスにおいて、Cy5標識デンドリマーを3週齢で全身投与し、脳を採取し、灌流し、固定して、ミクログリアへのデンドリマー局在化を調べた。
イヌ類モデルにおける脳傷害の処置
材料および方法
低体温循環停止のイヌ類動物モデルにおけるデンドリマーの脳内取込みおよび脳傷害に対する標的化療法は、Manojら著、ACS Nano、2014年、8巻(3号)、2134〜2147頁に記載されている。
コンジュゲートは、上記のように調製した。
全ての実験は、Baumgartner laboratoryで開発されたHCAのイヌ類モデルを使用した。(Redmondら、Ann. Thorac. Surg.、1995年、59巻、579〜584頁;Redmondら、Thorac. Cardiovasc. Surg.、1994年、107巻、776〜786頁)この大型動物モデルは、低体温循環停止に関連する神経傷害に対処するための容易に転換可能な治療モデルを開発するために、ヒトとイヌ類との間のある特定の固有の生理学的類似性を活用している。これは大型動物モデルであることから、ヒトの手術室において経験されるものに極めて忠実に外科手術を再現することができ、最悪のヒト症例において見られるものと同様の神経傷害の程度を再現することができる。
デンドリマー−フルオロフォアコンジュゲートを、低体温循環停止の24時間後に1回ボーラスとして注射した。3匹のイヌを、D−FITC(140mg/動物、およそ5mg/kg)の静脈内注入およびD−Cy5(5mg/動物、0.17mg/kg)の槽内(ICM、「脳内」)注射で同時に処置し、コンジュゲート投与の48時間後に安楽死させた。続いて、組織内取込みおよび生体内分布を屠殺時に測定した(投与の48時間後)。FITCおよびCy5をそれらの別個の特徴的波長で分析したことから、それらの生体内分布を同時に評価することができる。
遊離薬物(VPAおよびNAC)またはデンドリマー−薬物コンジュゲートを、HCAの前および後に静脈内投与した。遊離薬物投与の用量は、遊離VPAで神経保護が達成された本発明者らの以前の研究に基づいており、遊離N−アセチルシステインについては文献に基づいていた。以前の研究により、NACによる前処置は、心停止のモデルにおいて保護的であることが報告されている。デンドリマー−薬物コンジュゲートの用量は、遊離薬物用量の1/10(VPA)または1/30(NAC)に設定し、ウサギCPモデルにおけるそのような用量比での顕著な神経保護に関する事前の知見に基づいていた。遊離薬物については、動物を100mg/kgのVPAおよび300mg/kgのNACで処置し、そのうち、用量の半分を心停止前に静脈内投与し、残りを心停止後に投与した。デンドリマー−薬物コンジュゲートについては、イヌを10mg/kgのNACを含有するD−NACおよび/または10mg/kgのVPAを含むD−VPAで静脈内処置した。D−VPAは、25%をボーラスとしてHCA前に、続いて75%を2時間にわたる注入としてHCAが完了した後に静脈内投与した。D−NACは、50%をボーラスとしてHCA前に、50%を2時間にわたる注入としてHCAが完了した後に静脈内投与した。これらのレジメンは、遊離薬物に使用されたものと同様である。
動物を放血によって安楽死させた。鎮静および挿管の後、動物に胸骨正中切開を施し、22Frenchカニューレを使用して上行大動脈にカニューレ挿入した。下行大動脈をクランプして、脳を12Lの氷冷食塩水(4℃)で60mmHgで灌流することを確実にした後に、CPBを開始した。右心耳を横切開し、静脈還流を流出させた。灌流の直後に脳を採取し、半球を分離し、一方の半球は10%中性緩衝ホルマリン中で固定し(免疫組織化学的評価およびイメージング用)、他方の半球は1cmの冠状スライスに切断し、速やかに凍結した(生体内分布定量化用)。
海馬および小脳のクライオスタット切片を、退色防止媒体(ProLong Gold with DAPI、Molecular Probes, Inc.、Eugene、OR)でマウントした。Zeiss AxioImager M2を使用して、各脳領域の全てのサンプルについて等しい露光時間で、蛍光画像を得た。画像のコントラストおよび輝度を最適化するために、表示設定を各画像セット内で等しく調整した。
神経学的臨床評価を、全ての動物において、屠殺まで24時間毎に実施した。この研究において使用したイヌ特異的行動尺度は、International Resuscitation and Research Center、University of Pittsburgh School of Medicineで確証された。神経学的機能の以下の5つの要素を評価した:意識レベル、呼吸パターン、脳神経機能、運動および感覚機能、ならびに行動。2人の調査者が、独立して、各要素に0(正常)から100(重度の傷害)の間のスコアを割り当て、これらを平均し合計して、0(正常)から500(脳死)の範囲を取りうる総スコアを得た。
低体温循環心停止誘導性脳傷害のイヌ類モデルにおいて実証されるように、傷害を受けたBBBを横切って薬物を送達するために、G6 PAMAMデンドリマーは、G4デンドリマーよりも優れている。G6デンドリマーは、持続的期間にわたり高い脳脊髄液(CSF)対血清比を維持した。そのような高いCSF/血清比を維持することは、多くのCNS薬物にとっての重大な難点である。図5を参照されたい。傷害脳において見られる高いCSFレベルは、重大な新規特色である。デンドリマーの蓄積は、傷害の程度に依存し(図4参照)、G6デンドリマーが活性化ミクログリアおよび傷害ニューロンによって内在化されることを示す研究に基づいている(ACS Nano. 2014年3月25日;8巻(3号):2134〜47頁)。
Claims (21)
- 脳の神経障害、神経変性障害、または神経発達障害を処置、予防または診断するための組成物であって、前記組成物は、1つまたは複数の治療薬剤、予防薬剤または診断薬剤にコンジュゲートしているかまたはこれらと複合体形成している、世代6(G6)、G7、G8、G9および/またはG10のポリ(アミドアミン)(PAMAM)デンドリマーを、G4 PAMAMデンドリマーを使用して同じ薬剤を投与した場合の脳脊髄液(CSF)中濃度の血清中濃度の比よりも、高いCSF対血清比をもたらすのに有効な量で含み、前記組成物が、前記被験体に全身投与されることを特徴とする、組成物。
- 前記デンドリマーが、ヒドロキシル末端デンドリマーである、請求項1に記載の組成物。
- レット症候群を有する被験体を処置および/または診断するための組成物であって、前記組成物は、治療薬剤、予防薬剤または診断薬剤にコンジュゲートしているかまたはこれらと複合体形成しているポリ(アミドアミン)(PAMAM)ヒドロキシル末端デンドリマーを、レット症候群を処置および/または診断するのに有効な量で含む、組成物。
- 前記デンドリマーが、G4、G5、G6、G7、G8、G9および/またはG10 PAMAMデンドリマーを含む、請求項3に記載の組成物。
- 前記PAMAMデンドリマーが、世代6のPAMAMデンドリマーである、請求項1から4のいずれかに記載の組成物。
- 治療薬剤にコンジュゲートしているかまたは治療薬剤と複合体形成している前記デンドリマーが、前記被験体のレット症候群の1つまたは複数の症状を軽減するのに有効な量の単位投薬量にある、請求項1から5のいずれかに記載の組成物。
- 前記治療薬剤が、抗炎症薬剤または免疫抑制薬剤である、請求項1から6のいずれかに記載の組成物。
- 前記治療薬剤が、ステロイド系抗炎症薬剤、非ステロイド系抗炎症薬剤、および金化合物抗炎症薬剤からなる群より選択される、請求項7に記載の組成物。
- 前記治療薬剤が、抗興奮毒性薬剤である、請求項1から5のいずれかに記載の組成物。
- 前記治療薬剤が、バルプロ酸、D−アミノホスホノバレレート、D−アミノホスホノヘプタノエート、グルタミン酸形成/放出の阻害剤、バクロフェン、NMDA受容体アンタゴニスト、1−メチルトリプトファン、バルプロ酸、グルタミン酸−カルボキシペプチダーゼ阻害剤(GCP−II)、例えば2−(3−メルカプトプロピル)ペンタン二酸(2−MPPA)、2−(ホスホノメチル)ペンタン二酸(2−PMPA)、およびグルタミナーゼ阻害剤、例えばN−(5−{2−[2−(5−アミノ−[1,3,4]−チアジアゾール−2−イル)−エチルスルファニル]−エチル}−[1,3,4]チアジアゾール−2−イル)−2−フェニルアセトアミド、(ビス−2−[(1,2,4−チアジアゾール−2−イル)−5−フェニルアセトアミド]エチルスルフィド)、ラニビズマブ、ミノサイクリン、ならびにラパマイシンからなる群より選択される抗興奮毒性薬剤である、請求項9に記載の組成物。
- 前記デンドリマーが、第1の治療薬剤と、治療薬剤、予防薬剤、および診断薬剤からなる群より選択される第2の薬剤とにコンジュゲートしている、請求項1から10のいずれかに記載の組成物。
- 前記デンドリマーが、2つの治療薬剤にコンジュゲートしている、請求項1から11のいずれかに記載の組成物。
- 前記デンドリマーが、抗炎症薬剤および抗興奮毒性薬剤にコンジュゲートしている、請求項12に記載の組成物。
- デンドリマー複合体が、ミクログリアおよび星状膠細胞に局在化し、これらを標的化するための治療的に活性な薬剤を含む、請求項1から13のいずれかに記載の組成物。
- デンドリマーコンジュゲートまたは複合体が、懸濁物、乳濁液、または溶液中で製剤化される、請求項1から14のいずれかに記載の組成物。
- 前記脳の神経障害、神経変性障害、または神経発達障害が、自閉症スペクトラム障害である、請求項1に記載の組成物。
- 組成物が、RTTを有する個体に投与されることを特徴とする、請求項1から15のいずれかに記載の組成物。
- 前記組成物が、1日おき、3日毎、4日毎、毎週、隔週、毎月、および隔月からなる群より選択される期間で、前記被験体に投与されることを特徴とする、請求項1から17のいずれかに記載の組成物。
- デンドリマー−診断薬剤コンジュゲートを含む前記組成物が投与され、次いで、脳内の前記コンジュゲートの場所が検出されることを特徴とする、脳傷害の存在、場所または程度を評価するための、請求項1から18のいずれかに記載の組成物。
- 前記組成物が、投与後24時間以内に、1:10よりも高い脳脊髄液(CSF)中濃度の血清中濃度に対する比(CSF対血清比)をもたらすのに有効な量で投与されることを特徴とする、請求項1から19のいずれかに記載の組成物。
- 前記組成物が静脈内投与されることを特徴とする請求項1から20のいずれかに記載の組成物。
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PCT/US2015/045112 WO2016025745A1 (en) | 2014-08-13 | 2015-08-13 | Dendrimer compositions and use in treatment of neurological and cns disorders |
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CA2946422C (en) | 2014-04-30 | 2019-03-05 | The Johns Hopkins University | Dendrimer compositions and their use in treatment of diseases of the eye |
AU2015301575B2 (en) | 2014-08-13 | 2018-05-10 | The Johns Hopkins University | Selective dendrimer delivery to brain tumors |
AU2016211696B2 (en) | 2015-01-27 | 2018-05-10 | The Johns Hopkins University | Hypotonic hydrogel formulations for enhanced transport of active agents at mucosal surfaces |
WO2017075580A1 (en) * | 2015-10-29 | 2017-05-04 | The Johns Hopkins University | Compositions and methods for treatment of peroxisomal disorders and leukodystrophies |
WO2018081517A1 (en) * | 2016-10-27 | 2018-05-03 | Virginia Commonwealth University Intellectual Property Foundation | Carbohydrate-functionalized nanoparticles and uses thereof |
EP3615086A4 (en) | 2017-04-27 | 2021-01-06 | The Johns Hopkins University | COMPOSITIONS OF DENDRIMERS FOR USE IN ANGIOGRAPHY |
CN111615528A (zh) * | 2017-11-10 | 2020-09-01 | 约翰霍普金斯大学 | 树枝状聚合物递送系统和其使用方法 |
WO2021113657A1 (en) | 2019-12-04 | 2021-06-10 | Ashvattha Therapeutics, Inc. | Triantennary n-acetylgalactosamine modified hydroxyl polyamidoamine dendrimers and methods of use thereof |
US11612660B2 (en) | 2019-12-04 | 2023-03-28 | Ashvattha Therapeutics, Inc. | Dendrimer compositions and methods for drug delivery to the eye |
IL293604A (en) * | 2019-12-04 | 2022-08-01 | Ashvattha Therapeutics Inc | Dendrimer preparations and methods of drug administration |
JP2023522984A (ja) | 2020-04-24 | 2023-06-01 | アシュバッタ セラピューティクス, インコーポレイテッド | 重症急性呼吸促迫症候群の処置のためのデンドリマー組成物および方法 |
US20230218581A1 (en) | 2020-04-24 | 2023-07-13 | The Johns Hopkins University | Compositions and methods comprising dendrimers and therapeutic agents |
WO2022192135A1 (en) * | 2021-03-08 | 2022-09-15 | Transdermal Biotechnology, Inc. | Dendrimer-n-actyl-l-cysteine conjugates for treatment or prevention of aging skin or other indications |
CA3232054A1 (en) | 2021-09-21 | 2023-03-30 | Kannan Rangaramanujam | Dendrimer conjugates of small molecule biologics for intracellular delivery |
WO2023122599A1 (en) | 2021-12-20 | 2023-06-29 | The Johns Hopkins University | Glycosylated dendrimers for targeted intracellular delivery |
WO2023154939A2 (en) * | 2022-02-14 | 2023-08-17 | The Johns Hopkins University | Gcpii inhibition for the treatment of sarcopenia and aging |
WO2024020597A1 (en) | 2022-07-22 | 2024-01-25 | The Johns Hopkins University | Dendrimer-enabled targeted intracellular crispr/cas system delivery and gene editing |
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