JP2024540290A - ヘマグルチニン及びノイラミニダーゼを含むハイブリッド多価インフルエンザワクチン及びそれを使用する方法 - Google Patents

ヘマグルチニン及びノイラミニダーゼを含むハイブリッド多価インフルエンザワクチン及びそれを使用する方法 Download PDF

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JP2024540290A
JP2024540290A JP2024526564A JP2024526564A JP2024540290A JP 2024540290 A JP2024540290 A JP 2024540290A JP 2024526564 A JP2024526564 A JP 2024526564A JP 2024526564 A JP2024526564 A JP 2024526564A JP 2024540290 A JP2024540290 A JP 2024540290A
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influenza virus
immunogenic composition
proteins
vaccine
influenza
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JP2024540290A5 (https=
JPWO2023079113A5 (https=
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ティモシー・アレファンティス
マリオ・バロ
サランヤ・シュリダー
トーステン・ヴォーゲル
ウィリアム・ワレン
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Sanofi SA
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/12Viral antigens
    • A61K39/145Orthomyxoviridae, e.g. influenza virus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/12Viral antigens
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/14Antivirals for RNA viruses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/14Antivirals for RNA viruses
    • A61P31/16Antivirals for RNA viruses for influenza or rhinoviruses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/51Medicinal preparations containing antigens or antibodies comprising whole cells, viruses or DNA/RNA
    • A61K2039/525Virus
    • A61K2039/5252Virus inactivated (killed)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/51Medicinal preparations containing antigens or antibodies comprising whole cells, viruses or DNA/RNA
    • A61K2039/53DNA (RNA) vaccination
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/54Medicinal preparations containing antigens or antibodies characterised by the route of administration
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/545Medicinal preparations containing antigens or antibodies characterised by the dose, timing or administration schedule
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/555Medicinal preparations containing antigens or antibodies characterised by a specific combination antigen/adjuvant
    • A61K2039/55511Organic adjuvants
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    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/555Medicinal preparations containing antigens or antibodies characterised by a specific combination antigen/adjuvant
    • A61K2039/55511Organic adjuvants
    • A61K2039/55555Liposomes; Vesicles, e.g. nanoparticles; Spheres, e.g. nanospheres; Polymers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/57Medicinal preparations containing antigens or antibodies characterised by the type of response, e.g. Th1, Th2
    • A61K2039/575Medicinal preparations containing antigens or antibodies characterised by the type of response, e.g. Th1, Th2 humoral response
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/70Multivalent vaccine
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    • C12N2740/00Reverse transcribing RNA viruses
    • C12N2740/00011Details
    • C12N2740/10011Retroviridae
    • C12N2740/16011Human Immunodeficiency Virus, HIV
    • C12N2740/16111Human Immunodeficiency Virus, HIV concerning HIV env
    • C12N2740/16134Use of virus or viral component as vaccine, e.g. live-attenuated or inactivated virus, VLP, viral protein
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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    • C12N2740/00Reverse transcribing RNA viruses
    • C12N2740/00011Details
    • C12N2740/10011Retroviridae
    • C12N2740/16011Human Immunodeficiency Virus, HIV
    • C12N2740/16211Human Immunodeficiency Virus, HIV concerning HIV gagpol
    • C12N2740/16234Use of virus or viral component as vaccine, e.g. live-attenuated or inactivated virus, VLP, viral protein
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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    • C12N2760/00011Details
    • C12N2760/16011Orthomyxoviridae
    • C12N2760/16061Methods of inactivation or attenuation
    • C12N2760/16062Methods of inactivation or attenuation by genetic engineering
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    • C12N2760/00011Details
    • C12N2760/16011Orthomyxoviridae
    • C12N2760/16111Influenzavirus A, i.e. influenza A virus
    • C12N2760/16134Use of virus or viral component as vaccine, e.g. live-attenuated or inactivated virus, VLP, viral protein
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2760/00MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA ssRNA viruses negative-sense
    • C12N2760/00011Details
    • C12N2760/16011Orthomyxoviridae
    • C12N2760/16211Influenzavirus B, i.e. influenza B virus
    • C12N2760/16234Use of virus or viral component as vaccine, e.g. live-attenuated or inactivated virus, VLP, viral protein

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Virology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Pulmonology (AREA)
  • Organic Chemistry (AREA)
  • Immunology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oncology (AREA)
  • Communicable Diseases (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Epidemiology (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Medicinal Preparation (AREA)
  • Peptides Or Proteins (AREA)
JP2024526564A 2021-11-05 2022-11-04 ヘマグルチニン及びノイラミニダーゼを含むハイブリッド多価インフルエンザワクチン及びそれを使用する方法 Pending JP2024540290A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163276247P 2021-11-05 2021-11-05
US63/276,247 2021-11-05
PCT/EP2022/080875 WO2023079113A1 (en) 2021-11-05 2022-11-04 Hybrid multivalent influenza vaccines comprising hemagglutinin and neuraminidase and methods of using the same

Publications (3)

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JP2024540290A true JP2024540290A (ja) 2024-10-31
JP2024540290A5 JP2024540290A5 (https=) 2025-11-11
JPWO2023079113A5 JPWO2023079113A5 (https=) 2025-11-11

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US (1) US20240285750A1 (https=)
EP (1) EP4426345A1 (https=)
JP (1) JP2024540290A (https=)
KR (1) KR20240105413A (https=)
CN (1) CN118302190A (https=)
AU (1) AU2022381813A1 (https=)
CA (1) CA3237139A1 (https=)
IL (1) IL312502A (https=)
MX (1) MX2024005482A (https=)
WO (1) WO2023079113A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025061107A1 (en) * 2023-09-22 2025-03-27 Argorna Pharmaceuticals Co., Ltd. Composition comprising mrna encoding influenza virus ha protein and use thereof
CN119060144B (zh) * 2024-10-31 2025-03-18 南京澄实生物医药科技有限公司 一种预防犬瘟热病毒感染的融合蛋白和疫苗及其应用

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270537A (en) 1979-11-19 1981-06-02 Romaine Richard A Automatic hypodermic syringe
US4596556A (en) 1985-03-25 1986-06-24 Bioject, Inc. Hypodermic injection apparatus
US4886499A (en) 1986-12-18 1989-12-12 Hoffmann-La Roche Inc. Portable injection appliance
GB8704027D0 (en) 1987-02-20 1987-03-25 Owen Mumford Ltd Syringe needle combination
US4940460A (en) 1987-06-19 1990-07-10 Bioject, Inc. Patient-fillable and non-invasive hypodermic injection device assembly
US4790824A (en) 1987-06-19 1988-12-13 Bioject, Inc. Non-invasive hypodermic injection device
US4941880A (en) 1987-06-19 1990-07-17 Bioject, Inc. Pre-filled ampule and non-invasive hypodermic injection device assembly
US5339163A (en) 1988-03-16 1994-08-16 Canon Kabushiki Kaisha Automatic exposure control device using plural image plane detection areas
FR2638359A1 (fr) 1988-11-03 1990-05-04 Tino Dalto Guide de seringue avec reglage de la profondeur de penetration de l'aiguille dans la peau
US5064413A (en) 1989-11-09 1991-11-12 Bioject, Inc. Needleless hypodermic injection device
US5312335A (en) 1989-11-09 1994-05-17 Bioject Inc. Needleless hypodermic injection device
US5190521A (en) 1990-08-22 1993-03-02 Tecnol Medical Products, Inc. Apparatus and method for raising a skin wheal and anesthetizing skin
US5527288A (en) 1990-12-13 1996-06-18 Elan Medical Technologies Limited Intradermal drug delivery device and method for intradermal delivery of drugs
GB9118204D0 (en) 1991-08-23 1991-10-09 Weston Terence E Needle-less injector
SE9102652D0 (sv) 1991-09-13 1991-09-13 Kabi Pharmacia Ab Injection needle arrangement
US5328483A (en) 1992-02-27 1994-07-12 Jacoby Richard M Intradermal injection device with medication and needle guard
US5383851A (en) 1992-07-24 1995-01-24 Bioject Inc. Needleless hypodermic injection device
US5569189A (en) 1992-09-28 1996-10-29 Equidyne Systems, Inc. hypodermic jet injector
US5334144A (en) 1992-10-30 1994-08-02 Becton, Dickinson And Company Single use disposable needleless injector
US5976552A (en) 1995-04-28 1999-11-02 Protein Sciences Corporation Virus vaccines
US5762939A (en) 1993-09-13 1998-06-09 Mg-Pmc, Llc Method for producing influenza hemagglutinin multivalent vaccines using baculovirus
WO1995024176A1 (en) 1994-03-07 1995-09-14 Bioject, Inc. Ampule filling device
US5466220A (en) 1994-03-08 1995-11-14 Bioject, Inc. Drug vial mixing and transfer device
US6207646B1 (en) 1994-07-15 2001-03-27 University Of Iowa Research Foundation Immunostimulatory nucleic acid molecules
ATE509102T1 (de) 1994-07-15 2011-05-15 Univ Iowa Res Found Immunomodulatorische oligonukleotide
US6429199B1 (en) 1994-07-15 2002-08-06 University Of Iowa Research Foundation Immunostimulatory nucleic acid molecules for activating dendritic cells
US6239116B1 (en) 1994-07-15 2001-05-29 University Of Iowa Research Foundation Immunostimulatory nucleic acid molecules
US5885613A (en) 1994-09-30 1999-03-23 The University Of British Columbia Bilayer stabilizing components and their use in forming programmable fusogenic liposomes
US5599302A (en) 1995-01-09 1997-02-04 Medi-Ject Corporation Medical injection system and method, gas spring thereof and launching device using gas spring
US5730723A (en) 1995-10-10 1998-03-24 Visionary Medical Products Corporation, Inc. Gas pressured needle-less injection device and method
US5744335A (en) 1995-09-19 1998-04-28 Mirus Corporation Process of transfecting a cell with a polynucleotide mixed with an amphipathic compound and a DNA-binding protein
US5893397A (en) 1996-01-12 1999-04-13 Bioject Inc. Medication vial/syringe liquid-transfer apparatus
GB9607549D0 (en) 1996-04-11 1996-06-12 Weston Medical Ltd Spring-powered dispensing device
WO1998037919A1 (en) 1997-02-28 1998-09-03 University Of Iowa Research Foundation USE OF NUCLEIC ACIDS CONTAINING UNMETHYLATED CpG DINUCLEOTIDE IN THE TREATMENT OF LPS-ASSOCIATED DISORDERS
US6406705B1 (en) 1997-03-10 2002-06-18 University Of Iowa Research Foundation Use of nucleic acids containing unmethylated CpG dinucleotide as an adjuvant
US5993412A (en) 1997-05-19 1999-11-30 Bioject, Inc. Injection apparatus
AU7690898A (en) 1997-05-20 1998-12-11 Ottawa Civic Hospital Loeb Research Institute Vectors and methods for immunization or therapeutic protocols
IT1298087B1 (it) 1998-01-08 1999-12-20 Fiderm S R L Dispositivo per il controllo della profondita' di penetrazione di un ago, in particolare applicabile ad una siringa per iniezioni
ATE356630T1 (de) 1998-04-03 2007-04-15 Univ Iowa Res Found Verfahren und produkte zur stimulierung des immunsystems mittels immunotherapeutischer oligonukleotide und zytokine
CA2659574C (en) 2006-08-02 2017-04-25 The Uab Research Foundation Methods and compositions related to soluble monoclonal variable lymphocyte receptors of defined antigen specificity
HUE042177T2 (hu) 2009-12-01 2019-06-28 Translate Bio Inc Szteroidszármazék mRNS szállítására humán genetikai betegségekben
IN2012DN06277A (https=) 2009-12-28 2015-09-25 Dsm Ip Assets Bv
WO2011126370A1 (en) 2010-04-09 2011-10-13 Universiteit Utrecht Holding B.V. Recombinant multimeric influenza proteins
GB2552271B (en) 2014-12-19 2020-10-21 Aberystwyth Univ A method for diagnosing lung cancer
HK1254344A1 (zh) * 2015-06-26 2019-07-19 Seqirus UK Limited 抗原匹配的流感疫苗
WO2017070620A2 (en) * 2015-10-22 2017-04-27 Modernatx, Inc. Broad spectrum influenza virus vaccine
BR112019008481A2 (pt) * 2016-10-26 2020-03-03 Curevac Ag Vacinas de mrna de nanopartículas lipídicas
US12579423B2 (en) 2019-10-21 2026-03-17 Sanofi Pasteur, Inc. Systems and methods for predicting biological responses
WO2021080990A1 (en) 2019-10-21 2021-04-29 Sanofi Pasteur, Inc. Systems and methods for designing vaccines
IL302397A (en) 2020-10-28 2023-06-01 Sanofi Pasteur Liposomes containing a TLR4 agonist, their preparation and uses
WO2022099003A1 (en) 2020-11-06 2022-05-12 Sanofi Lipid nanoparticles for delivering mrna vaccines

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Publication number Publication date
IL312502A (en) 2024-07-01
US20240285750A1 (en) 2024-08-29
KR20240105413A (ko) 2024-07-05
EP4426345A1 (en) 2024-09-11
CA3237139A1 (en) 2023-05-11
MX2024005482A (es) 2024-05-22
AU2022381813A1 (en) 2024-06-20
CN118302190A (zh) 2024-07-05
WO2023079113A1 (en) 2023-05-11

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