WO2020187202A1 - 特异性结合vegf和ang2的双特异性抗体 - Google Patents
特异性结合vegf和ang2的双特异性抗体 Download PDFInfo
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Definitions
- the present disclosure provides a bispecific antibody that specifically binds ANG2 and VEGF.
- the CDR1 is shown in SEQ ID NO: 5
- the CDR2 is shown in SEQ ID NO: 6
- the CDR3 is shown in SEQ ID NO: 7;
- the back mutation is selected from one or more of 5Q, 30N, 83K, 84P, 93N and 94A.
- the sequence of the anti-ANG2 humanized antibody is as shown in SEQ ID NO: 22, or SEQ ID NO: 22 includes one or more of 5Q, 30N, 84P, 93N, and 94A. Multiple mutations.
- the anti-ANG2 single domain antibody or antigen-binding fragment thereof comprises or consists of a sequence as shown in SEQ ID NO: 27, preferably, comprises or consists of a sequence as shown in SEQ ID NO: 17, 18, The sequence composition shown in 19, 20, 21, 22, 23, 24, 25 or 26, wherein the SEQ ID NO: 27 has the sequence shown below:
- the present disclosure also provides an anti-ANG2 single-domain antibody, which competes with the aforementioned anti-ANG2 single-domain antibody to bind to human ANG2.
- the present disclosure provides a pharmaceutical composition
- a pharmaceutical composition comprising a therapeutically effective amount of the above-mentioned bispecific antibody, or the above-mentioned anti-ANG2 single domain antibody, and one or more pharmaceutically acceptable carriers, diluents, buffers or excipients Agent.
- the present disclosure provides a method for detecting or measuring human ANG2 in vitro, the method comprising using the anti-ANG2 single domain antibody or the above-mentioned bispecific antibody as described above.
- the present disclosure also provides a method for treating diseases associated with VEGF-mediated and/or ANG2-mediated angiogenesis, the method comprising administering to a subject a therapeutically effective amount of the bispecific antibody as described above , Or the anti-ANG2 single domain antibody as described above, or the monoclonal antibody comprising the anti-ANG2 single domain antibody as described above, or the pharmaceutical composition as described above; preferably, the therapeutically effective amount is a unit
- the dosage composition contains 0.1-3000 mg of the aforementioned bispecific antibody, or the aforementioned anti-ANG2 single domain antibody, or the aforementioned anti-ANG2 single domain antibody monoclonal antibody.
- the present disclosure also provides a bispecific antibody as described above, or an anti-ANG2 single domain antibody as described above, or a monoclonal antibody comprising the anti-ANG2 single domain antibody as described above, for use as a medicine.
- the medicine is used to treat cancer or angiogenic eye disease.
- affinity refers to the strength of the interaction between an antibody and an antigen at a single epitope. Within each antigenic site, the variable region of the antibody “arm” interacts with the antigen at multiple amino acid sites through weak non-covalent forces; the greater the interaction, the stronger the affinity.
- an antibody or antigen-binding fragment thereof e.g. Fab fragments
- high affinity generally refers to having a K D 1E -9 M in K D or less (e.g.
- administering when applied to animals, humans, experimental subjects, cells, tissues, organs or biological fluids refer to exogenous drugs, therapeutic agents, diagnostic agents , The composition or man-made operations (such as “euthanasia” in the examples) are provided to animals, humans, subjects, cells, tissues, organs or biological fluids.
- administering and “treatment” can refer to, for example, treatment, pharmacokinetics, diagnosis, research, and experimental methods.
- the treatment of cells includes contact of reagents with cells, and contact of reagents with fluids, where the fluids are in contact with cells.
- the antibody sequence obtained from human alpaca anti-ANG2nano14 antibody is shown below, where the amino acid residues in the CDR region are determined and annotated by the Kabat numbering system.
- the VH of nano15 selected IGHV3-23*04 as the template, and the J area (FR4) selected IGHJ6*01 as the template.
- the heavy chain of the anti-VEGF antibody combines the heavy chain variable region of ranibizumab (sequence shown in SEQ ID NO: 30, see WO1998045332) and human IgG1 constant region to form a complete IgG1 heavy chain, and the terminal K is mutated It is G, and its specific sequence is shown in SEQ ID NO: 31.
- the relevant sequence is as follows:
- Test Example 1 ELISA to determine the affinity of ANG2 antibody to ANG2 and the same family protein ANG1
- TGI (%) 1-T/C (%).
- H460-Luc stably transfected with luciferase gene
- RPMI 1640 medium supplemented with 10% FBS in an incubator containing 5% CO 2 at 37°C.
- the cells were cultured continuously for 5 generations and inoculated subcutaneously in mice.
- the mice were anesthetized with 3-4% isoflurane before inoculation.
- the volume is 200 ⁇ L.
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Abstract
Description
| 原始残基 | 保守取代 |
| Ala(A) | Gly;Ser |
| Arg(R) | Lys;His |
| Asn(N) | Gln;His;Asp |
| Asp(D) | Glu;Asn |
| Cys(C) | Ser;Ala;Val |
| Gln(Q) | Asn;Glu |
| Glu(E) | Asp;Gln |
| Gly(G) | Ala |
| His(H) | Asn;Gln |
| Ile(I) | Leu;Val |
| Leu(L) | Ile;Val |
| Lys(K) | Arg;His |
| Met(M) | Leu;Ile;Tyr |
| Phe(F) | Tyr;Met;Leu |
| Pro(P) | Ala |
| Ser(S) | Thr |
| Thr(T) | Ser |
| Trp(W) | Tyr;Phe |
| Tyr(Y) | Trp;Phe |
| Val(V) | Ile;Leu |
| 抗体 | 回复突变 |
| hu14.A | Grafted+A93N+K94A |
| hu14.1A | Grafted+A93N+K94A |
| hu14.2A | Grafted+A93N+K94A |
| hu14.1B | Grafted+A93N+K94A+R83K+A84P |
| hu14.2B | Grafted+A93N+K94A+R83K+A84P |
| 抗体 | 回复突变 |
| hu15.A | Grafted |
| hu15.B | Grafted+A93N,K94A |
| hu15.C | Grafted+V5Q,A93N,K94A |
| hu15.D | Grafted+V5Q,S30N,A93N,K94A |
| hu15.E | Grafted+A84P,A93N,K94A |
| 名称 | 结构模式Ab*-接头-ANG2 |
| 双特异性抗体1 | Ab*-接头-hu14.A |
| 双特异性抗体2 | Ab*-接头-hu14.B |
| 双特异性抗体3 | Ab*-接头-hu14.C |
| 双特异性抗体4 | Ab*-接头-hu14.D |
| 双特异性抗体5 | Ab*-接头-hu14.E |
| 双特异性抗体6 | Ab*-接头-hu15.A |
| 双特异性抗体7 | Ab*-接头-hu15.B |
| 双特异性抗体8 | Ab*-接头-hu15.C |
| 双特异性抗体9 | Ab*-接头-hu15.D |
| 双特异性抗体10 | Ab*-接头-hu15.E |
| 抗体 | nano14 | nano15 | Crossmab |
| IC50(nM) | 0.03927 | 0.02810 | 2.583 |
| 抗体 | hu15.E-V | hu14.2B-V | Crossmab | NC |
| IC50(nM) | 0.192 | 0.2702 | 24.82 | ~ |
Claims (29)
- 一种特异性结合VEGF和ANG2的双特异性抗体,其包含特异性结合VEGF的抗VEGF抗体或其抗原结合片段和特异性结合ANG2的抗ANG2单域抗体,其中所述的抗ANG2单域抗体直接地通过肽键或间接地通过接头共价连接至抗VEGF抗体或其抗原结合片段。
- 根据权利要求1所述的特异性结合VEGF和ANG2的双特异性抗体,其中所述的抗ANG2单域抗体直接地通过肽键或间接地通过接头连接至抗VEGF抗体或其抗原结合片段的重链羧基端,优选地,所述接头为(G) n,其中n>=1。
- 根据权利要求1或2所述的特异性结合VEGF和ANG2的双特异性抗体,其中所述的抗ANG2单域抗体包含如SEQ ID NO:5所示或与其具有至多3个氨基酸替换突变的CDR1,如SEQ ID NO:6所示或与其具有至多6个氨基酸替换突变的CDR2和如SEQ ID NO:7所示或与其具有至多3个氨基酸替换突变的CDR3区。
- 根据权利要求1至3中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,其中所述的抗ANG2单域抗体包含如SEQ ID NO:14所示的CDR1,如SEQ ID NO:15所示的CDR2和如SEQ ID NO:7所示的CDR3。
- 根据权利要求1至4中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,其中所述的抗ANG2单域抗体包含如下任一项所示的CDR1、CDR2和CDR3:i)如SEQ ID NO:5所示的CDR1、如SEQ ID NO:6所示的CDR2和如SEQ ID NO:7所示的CDR3;ii)如SEQ ID NO:8所示的CDR1、如SEQ ID NO:9所示的CDR2和如SEQ ID NO:7所示的CDR3;iii)如SEQ ID NO:5所示的CDR1、如SEQ ID NO:10所示的CDR2和如SEQ ID NO:7所示的CDR3;或iv)如SEQ ID NO:5所示的CDR1、如SEQ ID NO:11所示的CDR2和如SEQ ID NO:7所示的CDR3。
- 根据权利要求1至5中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,其中所述的抗ANG2单域抗体为羊驼抗体或人源化抗体。
- 根据权利要求6所述的特异性结合VEGF和ANG2的双特异性抗体,其中 所述的人源化抗体包含来源自人抗体的重链框架区或其框架区变体,所述框架区变体在人抗体的重链框架区上具有至多10个氨基酸的回复突变;优选地,所述回复突变选自5Q、30N、83K、84P、93N和94A中的一个或更多个。
- 根据权利要求6所述的特异性结合VEGF和ANG2的双特异性抗体,其中所述的抗ANG2单域抗体包含如下任一项所示的序列:v)如SEQ ID NO:16所示的序列,优选地,如SEQ ID NO:3、SEQ ID NO:4、SEQ ID NO:12或SEQ ID NO:13所示的序列,或vi)如SEQ ID NO:27所示的序列,优选地,如SEQ ID NO:17、18、19、20、21、22、23、24、25或26所示的序列。
- 根据权利要求1至8中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,其中所述的抗VEGF抗体或其抗原结合片段包含:分别如SEQ ID NO:32、SEQ ID NO:33和SEQ ID NO:34所示的HCDR1、HCDR2和HCDR3;和分别如SEQ ID NO:35、SEQ ID NO:36和SEQ ID NO:37所示的LCDR1、LCDR2和LCDR3。
- 根据权利要求9所述的特异性结合VEGF和ANG2的双特异性抗体,其中所述的抗VEGF抗体或其抗原结合片段包含如SEQ ID NO:28所示的轻链可变区和如SEQ ID NO:30所示的重链可变区。
- 根据权利要求10所述的特异性结合VEGF和ANG2的双特异性抗体,其中所述的抗VEGF抗体或其抗原结合片段包含如SEQ ID NO:29所示的轻链和如SEQ ID NO:31或54所示的重链。
- 根据权利要求1至11中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,其包含选自SEQ ID NO:38、39、40、41、42、43、44、45、46、47、55或56中任一所示的第一多肽链,和/或如SEQ ID NO:29所示的第二多肽链。
- 一种抗ANG2单域抗体,其包含如SEQ ID NO:5所示或与其具有至多3个氨基酸替换突变的CDR1,如SEQ ID NO:6所示或与其具有至多6个氨基酸替换突变的CDR2和如SEQ ID NO:7所示或与其具有至多3个氨基酸替换突变的CDR3区。
- 根据权利要求13所述的抗ANG2单域抗体,其中所述的抗ANG2单域抗体包含如SEQ ID NO:14所示的CDR1,如SEQ ID NO:15所示的CDR2和如SEQ ID NO:7所示的CDR3。
- 根据权利要求14所述的抗ANG2单域抗体,其中所述的抗ANG2单域抗体包含如下所示的CDR1、CDR2和CDR3:i)如SEQ ID NO:5所示的CDR1,如SEQ ID NO:6所示的CDR2和如SEQ ID NO:7所示的CDR3;ii)如SEQ ID NO:8所示的CDR1,如SEQ ID NO:9所示的CDR2和如SEQ ID NO:7所示的CDR3;iii)如SEQ ID NO:5所示的CDR1,如SEQ ID NO:10所示的CDR2和如SEQ ID NO:7所示的CDR3;或iv)如SEQ ID NO:5所示的CDR1,如SEQ ID NO:11所示的CDR2和如SEQ ID NO:7所示的CDR3。
- 根据权利要求15所述的抗ANG2单域抗体,其选自羊驼抗体和人源化抗体。
- 根据权利要求16所述的抗ANG2单域抗体,其中所述的人源化抗体包含来源自人抗体的重链框架区或其框架区变体,所述框架区变体在人抗体的重链框架区上具有至多10个氨基酸的回复突变;优选地,所述回复突变选自5Q、30N、83K、84P、93N和94A中的一个或更多个。
- 根据权利要求16所述的抗ANG2单域抗体,其中所述的抗ANG2单域抗体包含如下所示的序列:v)如SEQ ID NO:16所示的序列,优选地,包含如SEQ ID NO:3、SEQ ID NO:4、SEQ ID NO:12或SEQ ID NO:13所示的序列,或vi)如SEQ ID NO:27所示的序列,优选地,包含如SEQ ID NO:17、18、19、20、21、22、23、24、25或26所示的序列。
- 一种抗ANG2单域抗体,其与权利要求13至18中任一项所述的抗ANG2单域抗体或其抗原结合片段竞争结合人ANG2。
- 一种抗ANG2单域抗体,其中所述的单域抗体包含与SEQ ID NO:3、SEQ ID NO:4、SEQ ID NO:12或SEQ ID NO:13所示的单域抗体具有相同序列的CDR1、CDR2和CDR3区。
- 一种单克隆抗体,其包含如权利要求13至20中任一项所述的抗ANG2 单域抗体。
- 一种双特异性抗体,其包含13至20中任一项所述的抗ANG2单域抗体。
- 一种药物组合物,其包含治疗有效量的根据权利要求1至12中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,或根据权利要求13至20中任一项所述的抗ANG2单域抗体,或根据权利要求21所述的单克隆抗体,或根据权利要求22所述的双特异性抗体,以及一种或多种药学上可接受的载体、稀释剂、缓冲剂或赋形剂。
- 一种核酸分子,其编码权利要求1至12中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,或根据权利要求13至20中任一项所述的抗ANG2单域抗体,或根据权利要求21所述的单克隆抗体,或根据权利要求22所述的双特异性抗体。
- 一种宿主细胞,其转化有权利要求24所述的核酸分子,所述宿主细胞选自原核细胞和真核细胞。
- 用于体外检测或测定人ANG2的方法,所述方法包括使用权利要求1至12中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,或根据权利要求13至20中任一项所述的抗ANG2单域抗体,或根据权利要求21所述的单克隆抗体,或根据权利要求22所述的双特异性抗体。
- 一种试剂盒,其包含根据权利要求1至12中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,或根据权利要求13至20中任一项所述的抗ANG2单域抗体,或根据权利要求21所述的单克隆抗体,或根据权利要求22所述的双特异性抗体。
- 一种治疗与VEGF介导的和/或ANG2介导的血管生成作用相关的疾病的方法,所述方法包括向受试者施用治疗有效量的根据权利要求1至12中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,或根据权利要求13至20中任一项所述的抗ANG2单域抗体,或根据权利要求21所述的单克隆抗体,或根据权利要求22所述的双特异性抗体,或根据权利要求23所述的药物组合物。
- 一种治疗癌症或血管生成性眼病的方法,所述方法包括向受试者施用治疗有效量的根据权利要求1至12中任一项所述的特异性结合VEGF和ANG2的双特异性抗体,或根据权利要求13至20中任一项所述的抗ANG2单域抗体,或根据 权利要求21所述的单克隆抗体,或根据权利要求22所述的双特异性抗体,或根据权利要求23所述的药物组合物;优选地,其中所述的癌症选自乳腺癌、肾上腺肿瘤、输卵管癌、鳞状细胞癌、卵巢癌、胃癌、结直肠癌、非小细胞肺癌、胆管癌、膀胱癌、胰腺癌、皮肤癌和肝癌;其中所述的血管生成性眼病选自新生血管性青光眼、年龄相关的黄斑变性(AMD)、糖尿病性黄斑水肿、角膜新血管生成、角膜移植新血管生成、角膜移植排斥、视网膜/脉络膜新血管生成、房角的新血管生成(虹膜发红)、眼部新生血管性疾病、血管再狭窄和动静脉畸形(AVM)。
Priority Applications (9)
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|---|---|---|---|
| US17/439,893 US20220185875A1 (en) | 2019-03-18 | 2020-03-07 | Bispecific antibody specifically bound to vegf and ang2 |
| BR112021018451A BR112021018451A2 (pt) | 2019-03-18 | 2020-03-17 | Anticorpo biespecífico especificamente ligado a vegf e ang2 |
| CA3133508A CA3133508A1 (en) | 2019-03-18 | 2020-03-17 | Bispecific antibody specifically bound to vegf and ang2 |
| KR1020217032846A KR20210141992A (ko) | 2019-03-18 | 2020-03-17 | Vegf 및 ang2에 특이적으로 결합되는 이중특이적 항체 |
| CN202080005957.9A CN112955473B (zh) | 2019-03-18 | 2020-03-17 | 特异性结合vegf和ang2的双特异性抗体 |
| AU2020242704A AU2020242704A1 (en) | 2019-03-18 | 2020-03-17 | Bispecific antibody specifically bound to VEGF and ANG2 |
| JP2021556346A JP2022526487A (ja) | 2019-03-18 | 2020-03-17 | Vegf及びang2に特異的に結合する二重特異性抗体 |
| MX2021010893A MX2021010893A (es) | 2019-03-18 | 2020-03-17 | Anticuerpo biespecifico enlazado especificamente a vegf y ang2. |
| EP20772799.1A EP3943511A4 (en) | 2019-03-18 | 2020-03-17 | BISPECIFIC ANTIBODIES SPECIFIC TO VEGF AND ANG2 BOUND |
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| CN201910204246.3 | 2019-03-18 | ||
| CN201910204246 | 2019-03-18 |
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| PCT/CN2020/079690 Ceased WO2020187202A1 (zh) | 2019-03-18 | 2020-03-17 | 特异性结合vegf和ang2的双特异性抗体 |
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| US (1) | US20220185875A1 (zh) |
| EP (1) | EP3943511A4 (zh) |
| JP (1) | JP2022526487A (zh) |
| KR (1) | KR20210141992A (zh) |
| CN (1) | CN112955473B (zh) |
| AU (1) | AU2020242704A1 (zh) |
| BR (1) | BR112021018451A2 (zh) |
| CA (1) | CA3133508A1 (zh) |
| MX (1) | MX2021010893A (zh) |
| TW (1) | TW202037610A (zh) |
| WO (1) | WO2020187202A1 (zh) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022183418A1 (zh) * | 2021-03-04 | 2022-09-09 | 百奥泰生物制药股份有限公司 | 抗vegf抗体制剂 |
| JP7220261B1 (ja) | 2021-09-01 | 2023-02-09 | レノボ・シンガポール・プライベート・リミテッド | カバー部材の製造方法及び電子機器 |
| JP2023546228A (ja) * | 2020-10-21 | 2023-11-01 | ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング | 眼の疾患の処置のための二重特異性抗VEGF及び抗TrkB結合分子 |
| JP2024503297A (ja) * | 2020-12-30 | 2024-01-25 | ウーシー バイオロジクス アイルランド リミテッド | 多重特異性抗原結合タンパク質 |
| JP2024534964A (ja) * | 2021-09-10 | 2024-09-26 | ソーター・バイオファーマ・プライベイト・リミテッド | 抗ang2抗体、その調製方法及び使用 |
| EP4349861A4 (en) * | 2021-06-04 | 2025-07-23 | Innovent Biologics Suzhou Co Ltd | BISPECIFIC BINDING MOLECULE BINDING TO VEGF AND ANG2 AND ITS USE |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240158489A1 (en) * | 2021-03-30 | 2024-05-16 | Abpro Corporation | Methods for treating choroidal neovascularization using anti-ang2 x vegf multi-specific antibodies |
| CN116265487B (zh) * | 2021-12-16 | 2025-01-10 | 三优生物医药(上海)有限公司 | 抗ang2-vegf双特异性抗体及其用途 |
| WO2024065268A1 (zh) * | 2022-09-28 | 2024-04-04 | 科兴生物制药股份有限公司 | 能够识别ang-2的抗体或抗原结合片段和同时识别vegf和ang-2的双抗 |
| CN117946262B (zh) * | 2024-03-26 | 2024-05-28 | 北京纳百生物科技有限公司 | 一种阿维菌素单克隆抗体、试纸条及应用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023546228A (ja) * | 2020-10-21 | 2023-11-01 | ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング | 眼の疾患の処置のための二重特異性抗VEGF及び抗TrkB結合分子 |
| JP7633397B2 (ja) | 2020-10-21 | 2025-02-19 | ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング | 眼の疾患の処置のための二重特異性抗VEGF及び抗TrkB結合分子 |
| JP2024503297A (ja) * | 2020-12-30 | 2024-01-25 | ウーシー バイオロジクス アイルランド リミテッド | 多重特異性抗原結合タンパク質 |
| EP4271715A4 (en) * | 2020-12-30 | 2024-11-20 | Wuxi Biologics Ireland Limited | MULTI-SPECIFIC ANTIGEN-BINDING PROTEINS |
| WO2022183418A1 (zh) * | 2021-03-04 | 2022-09-09 | 百奥泰生物制药股份有限公司 | 抗vegf抗体制剂 |
| EP4349861A4 (en) * | 2021-06-04 | 2025-07-23 | Innovent Biologics Suzhou Co Ltd | BISPECIFIC BINDING MOLECULE BINDING TO VEGF AND ANG2 AND ITS USE |
| JP7220261B1 (ja) | 2021-09-01 | 2023-02-09 | レノボ・シンガポール・プライベート・リミテッド | カバー部材の製造方法及び電子機器 |
| JP2023035323A (ja) * | 2021-09-01 | 2023-03-13 | レノボ・シンガポール・プライベート・リミテッド | カバー部材の製造方法及び電子機器 |
| JP2024534964A (ja) * | 2021-09-10 | 2024-09-26 | ソーター・バイオファーマ・プライベイト・リミテッド | 抗ang2抗体、その調製方法及び使用 |
| EP4400512A4 (en) * | 2021-09-10 | 2025-07-23 | Soter Biopharma Pte Ltd | ANTI-ANG2 ANTIBODY, ITS PREPARATION METHOD AND ITS USE |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112955473B (zh) | 2022-11-22 |
| MX2021010893A (es) | 2021-10-01 |
| EP3943511A1 (en) | 2022-01-26 |
| US20220185875A1 (en) | 2022-06-16 |
| KR20210141992A (ko) | 2021-11-23 |
| JP2022526487A (ja) | 2022-05-25 |
| EP3943511A4 (en) | 2023-03-08 |
| AU2020242704A1 (en) | 2021-11-04 |
| CN112955473A (zh) | 2021-06-11 |
| BR112021018451A2 (pt) | 2021-11-23 |
| CA3133508A1 (en) | 2020-09-24 |
| TW202037610A (zh) | 2020-10-16 |
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