ZA201708325B - Methods for improving the adsorption of polysaccharide-protein conjugates and multivalent vaccine formulation obtained thereof - Google Patents

Methods for improving the adsorption of polysaccharide-protein conjugates and multivalent vaccine formulation obtained thereof

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Publication number
ZA201708325B
ZA201708325B ZA2017/08325A ZA201708325A ZA201708325B ZA 201708325 B ZA201708325 B ZA 201708325B ZA 2017/08325 A ZA2017/08325 A ZA 2017/08325A ZA 201708325 A ZA201708325 A ZA 201708325A ZA 201708325 B ZA201708325 B ZA 201708325B
Authority
ZA
South Africa
Prior art keywords
polysaccharide
adsorption
improving
methods
vaccine formulation
Prior art date
Application number
ZA2017/08325A
Other languages
English (en)
Inventor
Mhalasakant Dhere Rajeev
Kumar Malviya Hitesh
Kumar Jana Swapan
Shankar Pisal Sambhaji
Dinesh Mallya Asha
MAHOR Sunil
Maheshkumar Gautam Manish
Vilas JOSHI Chetan
Vamsi Krishna Malepati Venkata
Shivaji Jadhav Prashant
Original Assignee
Serum Inst Of India Private Ltd
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 Serum Inst Of India Private Ltd filed Critical Serum Inst Of India Private Ltd
Publication of ZA201708325B publication Critical patent/ZA201708325B/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal 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
    • A61K47/51—Medicinal 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
    • A61K47/62—Medicinal 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
    • A61K47/64—Drug-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
    • A61K47/646—Drug-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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K39/02—Bacterial antigens
    • A61K39/09—Lactobacillales, e.g. aerococcus, enterococcus, lactobacillus, lactococcus, streptococcus
    • A61K39/092—Streptococcus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K39/02—Bacterial antigens
    • A61K39/085—Staphylococcus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K39/02—Bacterial antigens
    • A61K39/09—Lactobacillales, e.g. aerococcus, enterococcus, lactobacillus, lactococcus, streptococcus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K39/02—Bacterial antigens
    • A61K39/116—Polyvalent bacterial antigens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K39/39—Medicinal preparations containing antigens or antibodies characterised by the immunostimulating additives, e.g. chemical adjuvants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/02—Inorganic compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/12—Carboxylic acids; Salts or anhydrides thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/22—Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal 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
    • A61K47/51—Medicinal 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
    • A61K47/62—Medicinal 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
    • A61K47/64—Drug-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
    • A61K47/6415—Toxins or lectins, e.g. clostridial toxins or Pseudomonas exotoxins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K2039/545—Medicinal preparations containing antigens or antibodies characterised by the dose, timing or administration schedule
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K2039/555—Medicinal preparations containing antigens or antibodies characterised by a specific combination antigen/adjuvant
    • A61K2039/55505—Inorganic adjuvants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K2039/555—Medicinal preparations containing antigens or antibodies characterised by a specific combination antigen/adjuvant
    • A61K2039/55511—Organic adjuvants
    • A61K2039/55516—Proteins; Peptides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K2039/60—Medicinal preparations containing antigens or antibodies characteristics by the carrier linked to the antigen
    • A61K2039/6031—Proteins
    • A61K2039/6037—Bacterial toxins, e.g. diphteria toxoid [DT], tetanus toxoid [TT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K2039/70—Multivalent vaccine

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Immunology (AREA)
  • Mycology (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Molecular Biology (AREA)
  • Organic Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oncology (AREA)
  • Communicable Diseases (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Virology (AREA)
  • Toxicology (AREA)
  • Inorganic Chemistry (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)
ZA2017/08325A 2015-06-08 2017-12-07 Methods for improving the adsorption of polysaccharide-protein conjugates and multivalent vaccine formulation obtained thereof ZA201708325B (en)

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
ZA201708325B true ZA201708325B (en) 2019-05-29

Family

ID=57503115

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2017/08325A ZA201708325B (en) 2015-06-08 2017-12-07 Methods for improving the adsorption of polysaccharide-protein conjugates and multivalent vaccine formulation obtained thereof

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
KR102143534B1 (ko) 2015-05-04 2020-08-12 화이자 인코포레이티드 B군 스트렙토코쿠스 폴리사카라이드-단백질 접합체, 접합체를 생산하는 방법, 접합체를 포함하는 면역원성 조성물, 및 그의 용도
US10729780B2 (en) * 2015-06-08 2020-08-04 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
IL267709B2 (en) 2016-12-30 2025-04-01 Vaxcyte Inc Polypeptide-antigen conjugates with unnatural amino acids
CN110392690B (zh) * 2017-02-24 2024-01-30 默沙东有限责任公司 肺炎球菌缀合物疫苗制剂
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
EP3720483B1 (en) 2017-12-06 2025-11-19 Merck Sharp & Dohme LLC Compositions comprising streptococcus pneumoniae polysaccharide-protein conjugates and methods of use thereof
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
CA3142692A1 (en) * 2019-06-05 2020-12-10 Merck Sharp & Dohme Corp. An immunogenic serotype 35b pneumococcal polysaccharide-protein conjugate and conjugation process for making the same
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
DK1587537T3 (da) * 2003-01-30 2012-07-16 Novartis Ag Injicerbare vacciner mod multiple meningococ-serogrupper
AU2004263135B2 (en) * 2003-08-06 2010-11-25 The Government Of The United States Of America, As Represented By The Secretary, Department Of Health And Human Services Polysaccharide-protein conjugate vaccines
EP1871411A4 (en) * 2005-04-18 2010-07-21 Novartis Vaccines & Diagnostic EXPRESSION OF HEPATITIS B VIRUS SURFACE ANTIGEN FOR VACCINE MANUFACTURE
JP5792920B2 (ja) * 2005-12-22 2015-10-14 グラクソスミスクライン バイオロジカルズ ソシエテ アノニム ワクチン
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
EA200901578A1 (ru) * 2007-06-26 2010-08-30 Глаксосмитклайн Байолоджикалс С.А. Вакцина, содержащая конъюгаты капсульных полисахаридов streptococcus pneumoniae
TW201136603A (en) 2010-02-09 2011-11-01 Merck Sharp & Amp Dohme Corp 15-valent pneumococcal polysaccharide-protein conjugate vaccine composition
US20130273098A1 (en) * 2010-12-10 2013-10-17 Jeffrey T. Blue Novel formulations which mitigate agitation-induced aggregation of immunogenic compositions
US9198977B2 (en) 2012-01-30 2015-12-01 Serum Institute Of India Ltd. Immunogenic composition
KR102057217B1 (ko) 2012-06-20 2020-01-22 에스케이바이오사이언스 주식회사 다가 폐렴구균 다당류-단백질 접합체 조성물
PT2885007T (pt) * 2012-08-16 2018-12-10 Pfizer Processos e composições de glicoconjugação
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
US10729780B2 (en) * 2015-06-08 2020-08-04 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
IL256118A (en) 2018-02-28
AU2016276269B2 (en) 2021-01-28
KR20240007690A (ko) 2024-01-16
KR20180030498A (ko) 2018-03-23
MX2017015985A (es) 2018-08-15
NZ738090A (en) 2023-09-29
EP3302542A1 (en) 2018-04-11
US10729780B2 (en) 2020-08-04
WO2016199003A1 (en) 2016-12-15
IL256118B (en) 2021-12-01
JP7258463B2 (ja) 2023-04-17
PE20180460A1 (es) 2018-03-06
KR102876828B1 (ko) 2025-10-27
CA2988366C (en) 2021-12-07
JP2021185152A (ja) 2021-12-09
KR102690378B1 (ko) 2024-08-01
EP3302542A4 (en) 2019-04-10
CO2017012628A2 (es) 2018-03-28
BR112017026343A2 (pt) 2019-11-19
CA2988366A1 (en) 2016-12-15
PH12017502244A1 (en) 2018-06-11
MY187461A (en) 2021-09-23
JP2018516962A (ja) 2018-06-28
AU2024202450A1 (en) 2024-10-31
SA517390495B1 (ar) 2023-03-23
CN107847571A (zh) 2018-03-27
EA201792470A1 (ru) 2018-10-31
AU2016276269A1 (en) 2018-01-18
US20180161445A1 (en) 2018-06-14

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