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PE20221256A1 - Anticuerpos dirigidos a flt3 y uso de los mismos - Google Patents

Anticuerpos dirigidos a flt3 y uso de los mismos

Info

Publication number
PE20221256A1
PE20221256A1 PE2022000635A PE2022000635A PE20221256A1 PE 20221256 A1 PE20221256 A1 PE 20221256A1 PE 2022000635 A PE2022000635 A PE 2022000635A PE 2022000635 A PE2022000635 A PE 2022000635A PE 20221256 A1 PE20221256 A1 PE 20221256A1
Authority
PE
Peru
Prior art keywords
flt3
variable domain
chain variable
complementarity determining
determining region
Prior art date
Application number
PE2022000635A
Other languages
English (en)
Inventor
Hemanta Baruah
Gregory P Chang
Ann F Cheung
Asya Grinberg
Zong Sean Juo
Thomas J Mcquade
Original Assignee
Dragonfly Therapeutics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dragonfly Therapeutics Inc filed Critical Dragonfly Therapeutics Inc
Publication of PE20221256A1 publication Critical patent/PE20221256A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2863Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against receptors for growth factors, growth regulators
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • A61P35/02Antineoplastic agents specific for leukemia
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/705Receptors; Cell surface antigens; Cell surface determinants
    • C07K14/70503Immunoglobulin superfamily
    • C07K14/7051T-cell receptor (TcR)-CD3 complex
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/505Medicinal preparations containing antigens or antibodies comprising antibodies
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/20Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/24Immunoglobulins specific features characterized by taxonomic origin containing regions, domains or residues from different species, e.g. chimeric, humanized or veneered
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/30Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/31Immunoglobulins specific features characterized by aspects of specificity or valency multispecific
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/30Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/33Crossreactivity, e.g. for species or epitope, or lack of said crossreactivity
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/565Complementarity determining region [CDR]
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/60Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
    • C07K2317/622Single chain antibody (scFv)
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/70Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/73Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/70Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/76Antagonist effect on antigen, e.g. neutralization or inhibition of binding
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/70Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/77Internalization into the cell
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/90Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/92Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Biochemistry (AREA)
  • Biophysics (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oncology (AREA)
  • Hematology (AREA)
  • Cell Biology (AREA)
  • Toxicology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Zoology (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

La presente invencion se refiere a proteinas con dominios variables de cadena pesada y cadena ligera de anticuerpos que pueden emparejarse para formar un sitio de union a antigeno dirigido a la tirosina quinasa 3 relacionada con Fms (FLT3) en una celula. Especificamente, se refiere a sitios de union al antigeno que se unen a FLT3, que comprenden: a) un dominio variable de cadena pesada (VH) que comprende la region determinante de complementariedad 1 (CDR1), la region determinante de complementariedad 2 (CDR2) y la region determinante de complementariedad 3 (CDR3) que comprenden las secuencias de aminoacidos SEQ ID NO: 11, 4 y 55, respectivamente, entre otros; y b) un dominio variable de cadena ligera (VL) que comprende la CDR1, CDR2 y CDR3 que comprenden las secuencias de aminoacidos SEQ ID NO: 6, 7 y 8, respectivamente, entre otros. Adicionalmente, el sitio de union al antigeno comprende un VH y un VL de SEQ ID NO: 53 y 42, respectivamente. Tambien se refiere a un conjugado anticuerpo-farmaco, una inmunocitocina, un activador de celulas T biespecifico, un receptor de antigenos quimericos (CAR), un acido nucleico aislado, un vector de expresion y una composicion farmaceutica. Dichas proteinas son utiles en el tratamiento del cancer.
PE2022000635A 2019-10-15 2020-10-14 Anticuerpos dirigidos a flt3 y uso de los mismos PE20221256A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962915120P 2019-10-15 2019-10-15
PCT/US2020/055480 WO2021076554A1 (en) 2019-10-15 2020-10-14 Antibodies targeting flt3 and use thereof

Publications (1)

Publication Number Publication Date
PE20221256A1 true PE20221256A1 (es) 2022-08-16

Family

ID=75538063

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2022000635A PE20221256A1 (es) 2019-10-15 2020-10-14 Anticuerpos dirigidos a flt3 y uso de los mismos

Country Status (16)

Country Link
US (1) US20240228628A9 (es)
EP (1) EP4045537A4 (es)
JP (1) JP2022551757A (es)
KR (1) KR20220082882A (es)
CN (1) CN115348972A (es)
AR (1) AR120222A1 (es)
AU (1) AU2020366000A1 (es)
BR (1) BR112022006817A2 (es)
CA (1) CA3153801A1 (es)
CL (1) CL2022000927A1 (es)
CO (1) CO2022004743A2 (es)
IL (1) IL292259A (es)
MX (1) MX2022004291A (es)
PE (1) PE20221256A1 (es)
TW (1) TWI867066B (es)
WO (1) WO2021076554A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112040971A (zh) 2018-02-08 2020-12-04 蜻蜓疗法股份有限公司 涉及激活天然杀伤细胞的多特异性结合蛋白的癌症联合疗法
DK3749346T3 (da) 2018-02-08 2024-09-09 Dragonfly Therapeutics Inc Antistof variable domænekombinationer rettet mod nkg2d-receptoren
AU2019318083A1 (en) 2018-08-08 2021-02-25 Dragonfly Therapeutics, Inc. Multi-specific binding proteins that bind BCMA, NKG2D and CD16, and methods of use
KR20250112921A (ko) 2018-08-08 2025-07-24 드래곤플라이 쎄라퓨틱스, 인크. Nkg2d, cd16 및 종양 관련 항원에 결합하는 단백질
EA202091888A1 (ru) 2018-08-08 2020-10-23 Драгонфлай Терапьютикс, Инк. Вариабельные домены антител, нацеленные на рецептор nkg2d
CN117136071A (zh) * 2021-02-10 2023-11-28 悟境股份有限公司 多肽及其在治疗疾病中的用途
CN117222663A (zh) 2021-03-03 2023-12-12 蜻蜓疗法股份有限公司 使用结合nkg2d、cd16和肿瘤相关抗原的多特异性结合蛋白治疗癌症的方法
KR20240004937A (ko) 2021-05-05 2024-01-11 이매틱스 바이오테크놀로지스 게엠베하 Bma031 항원 결합 폴리펩타이드
CA3229526A1 (en) * 2021-08-16 2023-02-23 Hemogenyx Pharmaceuticals Llc Anti-flt3 antibodies, cars, car t cells and methods of use
WO2023105087A1 (en) * 2021-12-10 2023-06-15 Tubulis Gmbh Novel flt3 antibodies and antibody-drug-conjugates based thereon, therapeutic methods and uses thereof in combination with tyrosine kinase inhibitors

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR071891A1 (es) * 2008-05-30 2010-07-21 Imclone Llc Anticuerpos humanos anti-flt3 (receptor tirosina cinasa 3 tipo fms humano)
NL2014108B1 (en) * 2015-01-09 2016-09-30 Aduro Biotech Holdings Europe B V Altered april binding antibodies.
MX382481B (es) * 2015-03-09 2025-03-13 Agensys Inc Conjugados anticuerpo-fármaco (adc) que se unen a proteínas flt3.
JP2018523471A (ja) * 2015-07-16 2018-08-23 セレラント セラピューティクス インコーポレイテッド システイン置換免疫グロブリン
WO2018222935A1 (en) * 2017-06-02 2018-12-06 Pfizer Inc. Chimeric antigen receptors targeting flt3
TWI757499B (zh) * 2017-06-02 2022-03-11 美商輝瑞大藥廠 對flt3具特異性之抗體及其用途
WO2019023097A1 (en) * 2017-07-26 2019-01-31 Smet Pharmaceutical Inc ASYMMETRIC BISPECIFIC ANTIBODIES AND THEIR USE
UY38049A (es) * 2018-01-12 2019-07-31 Amgen Inc Anti-pd-1 anticuerpos y métodos de tratamiento

Also Published As

Publication number Publication date
US20240132598A1 (en) 2024-04-25
IL292259A (en) 2022-06-01
TWI867066B (zh) 2024-12-21
EP4045537A4 (en) 2024-07-17
JP2022551757A (ja) 2022-12-13
WO2021076554A8 (en) 2022-04-21
BR112022006817A2 (pt) 2022-07-05
US20240228628A9 (en) 2024-07-11
KR20220082882A (ko) 2022-06-17
CL2022000927A1 (es) 2022-10-28
CN115348972A (zh) 2022-11-15
EP4045537A1 (en) 2022-08-24
AR120222A1 (es) 2022-02-02
MX2022004291A (es) 2022-05-10
WO2021076554A1 (en) 2021-04-22
AU2020366000A1 (en) 2022-05-12
CO2022004743A2 (es) 2022-07-08
TW202124449A (zh) 2021-07-01
CA3153801A1 (en) 2021-04-22

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