SA517390495B1 - طريقة لتحسين امتزاز مترافقات عديد السكاريد- بروتين والحصول بها على تركيبة لقاح عديد التكافؤ - Google Patents

طريقة لتحسين امتزاز مترافقات عديد السكاريد- بروتين والحصول بها على تركيبة لقاح عديد التكافؤ Download PDF

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Publication number
SA517390495B1
SA517390495B1 SA517390495A SA517390495A SA517390495B1 SA 517390495 B1 SA517390495 B1 SA 517390495B1 SA 517390495 A SA517390495 A SA 517390495A SA 517390495 A SA517390495 A SA 517390495A SA 517390495 B1 SA517390495 B1 SA 517390495B1
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Saudi Arabia
Prior art keywords
polysaccharide
protein
conjugates
serotype
adsorption
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SA517390495A
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Arabic (ar)
English (en)
Inventor
كومار جانا إسوابان
دينيش ماليا أشا
شيفاجي جادهاف براشانت
مهالاساكانت دهيري راجيف
شنكر بيسال سامبهاجي
ماهور سونيل
فيلاس جوشي شيتان
فامسي كريشنا ماليباتي فينكاتا
ماهيش كومار جوتام مانيش
كومار مالفيا هيتيش
Original Assignee
سيروم انستيتيوت أُف إنديا برايفت إل تي دي.
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Application filed by سيروم انستيتيوت أُف إنديا برايفت إل تي دي. filed Critical سيروم انستيتيوت أُف إنديا برايفت إل تي دي.
Publication of SA517390495B1 publication Critical patent/SA517390495B1/ar

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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
    • A61K39/02Bacterial antigens
    • A61K39/09Lactobacillales, e.g. aerococcus, enterococcus, lactobacillus, lactococcus, streptococcus
    • A61K39/092Streptococcus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/02Bacterial antigens
    • A61K39/085Staphylococcus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/02Bacterial antigens
    • A61K39/09Lactobacillales, e.g. aerococcus, enterococcus, lactobacillus, lactococcus, streptococcus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/02Bacterial antigens
    • A61K39/116Polyvalent bacterial antigens
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K39/39Medicinal preparations containing antigens or antibodies characterised by the immunostimulating additives, e.g. chemical adjuvants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/02Inorganic compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/12Carboxylic acids; Salts or anhydrides thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/22Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/62Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
    • A61K47/64Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
    • A61K47/6415Toxins or lectins, e.g. clostridial toxins or Pseudomonas exotoxins
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/62Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
    • A61K47/64Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
    • A61K47/646Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent the entire peptide or protein drug conjugate elicits an immune response, e.g. conjugate vaccines
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04Antibacterial agents
    • 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
    • AHUMAN NECESSITIES
    • 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
    • A61K2039/55505Inorganic adjuvants
    • AHUMAN NECESSITIES
    • 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
    • A61K2039/55516Proteins; Peptides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/60Medicinal preparations containing antigens or antibodies characteristics by the carrier linked to the antigen
    • A61K2039/6031Proteins
    • A61K2039/6037Bacterial toxins, e.g. diphteria toxoid [DT], tetanus toxoid [TT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/70Multivalent vaccine

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Immunology (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Oncology (AREA)
  • Communicable Diseases (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Virology (AREA)
  • Toxicology (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Medicinal Preparation (AREA)
  • Peptides Or Proteins (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
SA517390495A 2015-06-08 2017-12-10 طريقة لتحسين امتزاز مترافقات عديد السكاريد- بروتين والحصول بها على تركيبة لقاح عديد التكافؤ SA517390495B1 (ar)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2185MU2015 2015-06-08
PCT/IB2016/053265 WO2016199003A1 (en) 2015-06-08 2016-06-03 Methods for improving the adsorption of polysaccharide-protein conjugates and multivalent vaccine formulation obtained thereof

Publications (1)

Publication Number Publication Date
SA517390495B1 true SA517390495B1 (ar) 2023-03-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SA517390495A SA517390495B1 (ar) 2015-06-08 2017-12-10 طريقة لتحسين امتزاز مترافقات عديد السكاريد- بروتين والحصول بها على تركيبة لقاح عديد التكافؤ

Country Status (17)

Country Link
US (1) US10729780B2 (enExample)
EP (1) EP3302542A4 (enExample)
JP (2) JP7258463B2 (enExample)
KR (2) KR102876828B1 (enExample)
CN (1) CN107847571A (enExample)
AU (2) AU2016276269B2 (enExample)
CA (1) CA2988366C (enExample)
CO (1) CO2017012628A2 (enExample)
EA (1) EA201792470A1 (enExample)
IL (1) IL256118B (enExample)
MX (1) MX2017015985A (enExample)
MY (1) MY187461A (enExample)
PE (1) PE20180460A1 (enExample)
PH (1) PH12017502244A1 (enExample)
SA (1) SA517390495B1 (enExample)
WO (1) WO2016199003A1 (enExample)
ZA (1) ZA201708325B (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI807252B (zh) 2015-05-04 2023-07-01 美商輝瑞股份有限公司 B型鏈球菌多醣-蛋白質軛合物、製造軛合物之方法、含軛合物之免疫原性組成物、及其用途
CA2988366C (en) * 2015-06-08 2021-12-07 Serum Institute Of India Private Ltd. Methods for improving the adsorption of polysaccharide-protein conjugates and multivalent vaccine formulation obtained thereof.
CN106822884B (zh) * 2016-12-28 2021-04-30 北京民海生物科技有限公司 一种多价肺炎球菌荚膜多糖结合疫苗的制备方法
US11951165B2 (en) 2016-12-30 2024-04-09 Vaxcyte, Inc. Conjugated vaccine carrier proteins
MX2019007910A (es) 2016-12-30 2019-12-05 Sutrovax Inc Conjugados de polipeptido-antigeno con aminoacidos no naturales.
KR102701633B1 (ko) 2017-02-24 2024-09-02 머크 샤프 앤드 돔 엘엘씨 폐렴구균 접합체 백신 제제
US10729763B2 (en) 2017-06-10 2020-08-04 Inventprise, Llc Mixtures of polysaccharide-protein pegylated compounds
CA3074706A1 (en) * 2017-09-07 2019-03-14 Merck Sharp & Dohme Corp. Pneumococcal polysaccharides and their use in immunogenic polysaccharide-carrier protein conjugates
BR112020011414B8 (pt) 2017-12-06 2023-01-31 Merck Sharp & Dohme Composições imunogênicas multivalentes compreendendo conjugados de proteína carreadora e polissacarídeo de s. pneumoniae
CN108524926B (zh) * 2018-06-29 2021-06-29 康希诺生物股份公司 一种多价肺炎球菌结合疫苗的制剂组合及其应用
GB201818517D0 (en) * 2018-11-13 2018-12-26 Univ Liverpool John Moores Nanoparticles and uses thereof
EP3897705A2 (en) 2018-12-19 2021-10-27 Merck Sharp & Dohme Corp. Compositions comprising streptococcus pneumoniae polysaccharide-protein conjugates and methods of use thereof
CN114025790A (zh) * 2019-06-05 2022-02-08 默沙东公司 免疫原性血清型35b肺炎球菌多糖-蛋白缀合物和用于制备其的缀合方法
US12473379B2 (en) 2019-09-06 2025-11-18 Serum Institute Of India Private Limited Method for obtaining purified bacterial polysaccharides
CN113607939B (zh) * 2021-08-05 2024-10-22 艾美探索者生命科学研发有限公司 肺炎球菌多糖结合疫苗各型结合原液吸附率测定方法
CN115006522B (zh) * 2022-06-16 2025-08-22 北京智飞绿竹生物制药有限公司 一种双价痢疾结合物组合疫苗的制备方法
CA3232076A1 (en) * 2023-04-17 2025-04-14 Serum Institute Of India Private Limited Methods for improving the adsorption of polysaccharide-protein conjugates and multivalent vaccine formulation obtained thereof

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2059692C (en) 1991-01-28 2004-11-16 Peter J. Kniskern Pneumoccoccal polysaccharide conjugate vaccine
ES2461350T3 (es) * 2003-01-30 2014-05-19 Novartis Ag Vacunas inyectables contra múltiples serogrupos de meningococos
CA2844154C (en) 2003-08-06 2016-12-20 The Government Of The United States Of America, As Represented By The Secretary, Department Of Health And Human Services Polysaccharide-protein conjugate vaccines
BRPI0610297A2 (pt) * 2005-04-18 2010-06-08 Novartis Vaccines & Diagnostic expressão de antìgeno de superfìcie de vìrus da hepatite b para a preparação de vacina
BRPI0620460B8 (pt) * 2005-12-22 2021-05-25 Glaxosmithkline Biologicals Sa uso de composição imunogênica para bebês, e, processo para produzir uma vacina
WO2007071786A2 (en) * 2005-12-23 2007-06-28 Glaxosmithkline Biologicals Sa Conjugate vaccines
TW200806315A (en) * 2006-04-26 2008-02-01 Wyeth Corp Novel formulations which stabilize and inhibit precipitation of immunogenic compositions
BRPI0813644B8 (pt) 2007-06-26 2021-05-25 Glaxosmithkline Biologicals Sa composição imunogênica, vacina, processo para fabricar a mesma, e, uso da composição imunogênica ou vacina
TW201136603A (en) * 2010-02-09 2011-11-01 Merck Sharp & Amp Dohme Corp 15-valent pneumococcal polysaccharide-protein conjugate vaccine composition
CA2819366A1 (en) 2010-12-10 2012-06-14 Merck Sharp & Dohme Corp. Novel formulations which mitigate agitation-induced aggregation of immunogenic compositions
MX354103B (es) * 2012-01-30 2018-02-13 Serum Inst India Ltd Composicion inmunogenica.
KR102057217B1 (ko) 2012-06-20 2020-01-22 에스케이바이오사이언스 주식회사 다가 폐렴구균 다당류-단백질 접합체 조성물
DK3421051T3 (da) * 2012-08-16 2020-06-22 Pfizer Fremgangsmåder til glycokonjugering og sammensætninger
CN103893751B (zh) * 2014-03-26 2016-04-20 天津康希诺生物技术有限公司 一种肺炎球菌多糖蛋白缀合疫苗及其制备方法
CA2988366C (en) * 2015-06-08 2021-12-07 Serum Institute Of India Private Ltd. Methods for improving the adsorption of polysaccharide-protein conjugates and multivalent vaccine formulation obtained thereof.

Also Published As

Publication number Publication date
PE20180460A1 (es) 2018-03-06
JP2021185152A (ja) 2021-12-09
JP2018516962A (ja) 2018-06-28
NZ738090A (en) 2023-09-29
AU2024202450A1 (en) 2024-10-31
BR112017026343A2 (pt) 2019-11-19
KR102876828B1 (ko) 2025-10-27
IL256118B (en) 2021-12-01
CA2988366C (en) 2021-12-07
US10729780B2 (en) 2020-08-04
CA2988366A1 (en) 2016-12-15
EP3302542A1 (en) 2018-04-11
CO2017012628A2 (es) 2018-03-28
AU2016276269A1 (en) 2018-01-18
CN107847571A (zh) 2018-03-27
KR20240007690A (ko) 2024-01-16
KR20180030498A (ko) 2018-03-23
JP7258463B2 (ja) 2023-04-17
KR102690378B1 (ko) 2024-08-01
MX2017015985A (es) 2018-08-15
EA201792470A1 (ru) 2018-10-31
US20180161445A1 (en) 2018-06-14
AU2016276269B2 (en) 2021-01-28
EP3302542A4 (en) 2019-04-10
PH12017502244A1 (en) 2018-06-11
ZA201708325B (en) 2019-05-29
WO2016199003A1 (en) 2016-12-15
IL256118A (en) 2018-02-28
MY187461A (en) 2021-09-23

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