JP2022530892A - 癌を治療するための多価pd-l1結合化合物 - Google Patents
癌を治療するための多価pd-l1結合化合物 Download PDFInfo
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Abstract
Description
本発明は、PD-1ポリペプチドを含む癌を治療するための方法および組成物を提供する。PD-1ポリペプチドは多価PD-L1結合化合物の形態であってもよい。
例1
組換えアデノウイルスの構築:細胞標的化/脱標的化ペプチドまたは新規のアミノ酸の挿入を伴う異なるAd血清型からの個々のHVRの挿入。
当業者に公知の方法を利用する組換えDNA技術により組換えアデノウイルスを構築した。組換えAd(Ad657)は、第1のAd株Ad6に由来し(例えば、第1のAd株のゲノムを含むことができる)、第2のAd株であるAd57からのカプシドヘキソンHVRを含んでもよい。図8を参照。これらの実施態様は一般に、異なるAdからの異なるカプシドヘキソンHVRを組み合わせる(すなわち、シャッフリングHVR)Adの文脈において適用された。図7は、ヘキソン領域中のバリエーションを示すAd5、Ad6、およびAd57のアライメントを示す。例えば、Ad株Ad57のHVR2~7を伴うAd株Ad6のHVR1またはAd株Ad57のHVR2~6を伴うAd株Ad6のHVR1および7。さらなる実施態様において、Ad6/56/6ウイルスは、Ad株Ad6からのHVR 1および7ならびにAd株Ad657からのHVR2~6を有する。
システイン修飾ヘキソン改変Ad657-HVR5Cの標的化された化学的連結。
図13は、異なるAd血清型からの個々のHVRの挿入と、標的化された化学修飾および遮蔽のための新規のアミノ酸、例えばシステインのヘキソンへの挿入との組み合わせを示すAdバリアントの描写である。
制限増殖型Ad(CRAd)。
ウイルスを制限増殖型Ad(CRAd)に変換するためのE1タンパク質中の突然変異を伴うAd6、Ad657およびこれらのバリアントにおける突然変異の図式を図9、図10および図11に示す。これらは、それぞれp300およびpRBへの結合を遮断するdl1101および/またはdl1107を含む。
再標的化および脱標的化された組換えアデノウイルス。
in vitroで、Adは細胞表面受容体とのそのファイバーおよびペントンベースタンパク質(penton base proteins)の組み合わせた相互作用を通じて細胞に結合し、進入する。三量体ファイバーはコクサッキー-アデノウイルス受容体(CAR)に結合し、CARを欠いた細胞は、ペントンベース上のRGDモチーフにより結合されることができるαvインテグリンも発現しない限り、感染に対して比較的抵抗性である。
異種ポリペプチドと組み合わせたPD-L1結合化合物の発現用の組換えAdの構築。
制限増殖型Adウイルス(CRAd657またはCRAd 6/57/6)を改変して、1つまたは複数の異種ポリペプチド(例えば、治療ポリペプチドおよび/または標的化ポリペプチド)と組み合わせてPD-1ポリペプチドを発現させる。1つの実施態様において、当業者に公知の方法にしたがってRSV-PD-1融合カセットをウイルスのE3欠失に挿入し、かつ治療用導入遺伝子をファイバーおよびE4遺伝子の間にCMVまたはMCMVまたはRSV発現カセットとして挿入する。図17および図18を参照。
高親和性ヒトhPD-1-HA-Ig融合タンパク質を単独でまたは免疫療法ペイロードと組み合わせて発現するCRAdの腫瘍成長評価。
B16-CAR黒色腫細胞をC57BL/6マウスの皮下に注射し、結果としてもたらされた腫瘍に本発明の多価PD-L1結合化合物の3e11ウイルス粒子を注射する。CRAd+PD-L1デコイはpAd6/57/6-dl1107-ΔE3-RSV-hPD-1-HA-Ig-Iである。pAd6/57/6-dl1107-ΔE3-RSV-hPD-1-HA-Ig-Iおよび4-1BBLを発現する第2のアデノウイルスを使用してCRAd+PD-L1デコイ+免疫刺激剤を腫瘍に併用注射する。高親和性ヒトhPD-1-HA-Ig融合タンパク質を発現するCRAdは単独でまたは免疫療法ペイロードと組み合わせて腫瘍成長を遅延させる。図20を参照。
多価PD-L1結合化合物の構築。
当業者に公知の方法にしたがって、PD-1ポリペプチドおよびスキャフォールドポリペプチドまたはFXポリペプチドのGLAドメインのいずれかを含む融合タンパク質を、野生型、突然変異体、または合成遺伝子からの突然変異および融合ジャンクションと共にPCRクローニングされた遺伝子から生成する。発現ベクターにクローニングし、タンパク質の発現およびアセンブリーを可能とする条件下で培養し、かつ任意選択的に、細胞環境からタンパク質を精製することにより、融合タンパク質をアセンブルさせる。
本発明をその詳細な説明と組み合わせて記載したが、以上の記載は、本発明を実例と共に説明することを意図しており、その範囲を限定することは意図されず、該範囲は添付の請求項の範囲により定義されることが理解されるべきである。他の態様、利点、および改変は以下の請求項の範囲内である。
Claims (20)
- 複数のアミノ酸鎖を含み、各アミノ酸鎖が少なくとも1つのプログラム細胞死タンパク質1(PD-1)ポリペプチドを含む、多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- Igポリペプチド、シグマ-1ポリペプチドおよびストレプトアビジンポリペプチドから選択されるスキャフォールドポリペプチドを含むポリペプチドコンジュゲートである、請求項1に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 1を超えるスキャフォールドポリペプチドを含むポリペプチドコンジュゲートである、請求項2に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 前記プログラム細胞死タンパク質1(PD-1)ポリペプチドがヒトPD-1またはマウスPD-1である、請求項1に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 前記アミノ酸鎖が、治療ポリペプチド、標的化ポリペプチドまたは抗原性ポリペプチドを含む、請求項1に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 前記標的化ポリペプチドが、麻疹ウイルスヘマグルチニン(MVH)ポリペプチド、麻疹ウイルス融合(MVF)ポリペプチドおよび水疱性口内炎ウイルス糖タンパク質(VSVG)ポリペプチドから選択される、請求項5に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 前記治療ポリペプチドが、4-1BBリガンド(4-1BBL)ポリペプチド、OX40リガンド(OX40L)ポリペプチド、CD40リガンド(CD40L)ポリペプチドおよび顆粒球マクロファージコロニー刺激因子(GM-CSF)ポリペプチドから選択される、請求項5に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 少なくとも1つのプログラム細胞死タンパク質1(PD-1)ポリペプチドを含む各アミノ酸鎖が組換えアデノウイルス(Ad)と会合しており、かつ前記複数のアミノ酸鎖が前記組換えAdのコートポリペプチド上に存在する、請求項1に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 前記組換えAdが、Ad株Ad6のカプシドヘキソンポリペプチドおよびAd株Ad57からの少なくとも1つのカプシドヘキソン超可変領域(HVR)ポリペプチドを含む、請求項8に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- Ad株Ad6の前記カプシドヘキソンポリペプチドがAd株Ad57からのHVRポリペプチド1~7を含む、請求項9に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- Ad株Ad6の前記カプシドヘキソンポリペプチドがAd株Ad57からのHVRポリペプチド2~6を含む、請求項9に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 前記プログラム細胞死タンパク質1(PD-1)ポリペプチドがヒトPD-1である、請求項8に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 前記PD-1ポリペプチドが第X因子単鎖抗体ポリペプチドのビタミンK依存性ガンマ-カルボキシグルタミン酸ドメイン(FXポリペプチドのGLAドメイン)に融合している、請求項8に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 各アミノ酸鎖が、麻疹ウイルスヘマグルチニン(MVH)ポリペプチド、麻疹ウイルス融合(MVF)ポリペプチドおよび水疱性口内炎ウイルス糖タンパク質(VSVG)ポリペプチドから選択される標的化分子を含む、請求項8に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 各アミノ酸鎖が、4-1BBリガンド(4-1BBL)ポリペプチド、OX40リガンド(OX40L)ポリペプチド、CD40リガンド(CD40L)ポリペプチド、および顆粒球マクロファージコロニー刺激因子(GM-CSF)ポリペプチドから選択される1つまたは複数の治療ポリペプチドを含む、請求項8に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物。
- 請求項1に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物および薬学的に許容可能な担体を含む、医薬組成物。
- 請求項8に記載の多価プログラム細胞死タンパク質リガンド1(PD-L1)結合化合物を投与することを含む、癌の治療を必要とする対象において癌を治療する方法。
- 1つまたは複数の癌治療法を哺乳動物に投与することをさらに含む、請求項17に記載の方法。
- 前記癌治療法が、PD-1を標的化する免疫療法である、請求項18に記載の方法。
- 前記免疫療法が、ニボルマブ、ペムブロリズマブ、アテゾリズマブ、アベルマブ、セミプリマブおよびデュルバルマブからなる群から選択される、請求項19に記載の方法。
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WO2018006005A1 (en) * | 2016-06-30 | 2018-01-04 | Oncorus, Inc. | Pseudotyped oncolytic viral delivery of therapeutic polypeptides |
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SG11202109196XA (en) | 2021-09-29 |
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CA3138527A1 (en) | 2020-11-05 |
MX2021010577A (es) | 2021-10-13 |
IL292788B2 (en) | 2023-12-01 |
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