ES2817888T3 - Inhibidor de galactósido de galectina-3 y su uso para tratar fibrosis pulmonar - Google Patents

Inhibidor de galactósido de galectina-3 y su uso para tratar fibrosis pulmonar Download PDF

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Publication number
ES2817888T3
ES2817888T3 ES13785446T ES13785446T ES2817888T3 ES 2817888 T3 ES2817888 T3 ES 2817888T3 ES 13785446 T ES13785446 T ES 13785446T ES 13785446 T ES13785446 T ES 13785446T ES 2817888 T3 ES2817888 T3 ES 2817888T3
Authority
ES
Spain
Prior art keywords
compound
galectin
pulmonary fibrosis
formula
lung
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
ES13785446T
Other languages
English (en)
Spanish (es)
Inventor
Ulf Nilsson
Hakon Leffler
Neil Henderson
Tariq Sethi
Alison Mackinnon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Galecto Biotech AB
Original Assignee
Galecto Biotech AB
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
Priority claimed from CA2794066A external-priority patent/CA2794066C/en
Priority claimed from US13/832,672 external-priority patent/US9243021B2/en
Application filed by Galecto Biotech AB filed Critical Galecto Biotech AB
Application granted granted Critical
Publication of ES2817888T3 publication Critical patent/ES2817888T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7042Compounds having saccharide radicals and heterocyclic rings
    • A61K31/7052Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides
    • A61K31/7056Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing five-membered rings with nitrogen as a ring hetero atom
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/007Pulmonary tract; Aromatherapy
    • A61K9/0073Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy
    • A61K9/0075Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy for inhalation via a dry powder inhaler [DPI], e.g. comprising micronized drug mixed with lactose carrier particles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/007Pulmonary tract; Aromatherapy
    • A61K9/0073Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy
    • A61K9/0078Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy for inhalation via a nebulizer such as a jet nebulizer, ultrasonic nebulizer, e.g. in the form of aqueous drug solutions or dispersions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/005Sprayers or atomisers specially adapted for therapeutic purposes using ultrasonics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00Inhalators
    • A61M15/0001Details of inhalators; Constructional features thereof
    • A61M15/0005Details of inhalators; Constructional features thereof with means for agitating the medicament
    • A61M15/001Details of inhalators; Constructional features thereof with means for agitating the medicament using ultrasonic means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00Inhalators
    • A61M15/0085Inhalators using ultrasonics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00Drugs for disorders of the respiratory system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00Inhalators
    • A61M15/0065Inhalators with dosage or measuring devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/06Solids
    • A61M2202/064Powder

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Pulmonology (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicinal Preparation (AREA)
ES13785446T 2012-10-31 2013-10-30 Inhibidor de galactósido de galectina-3 y su uso para tratar fibrosis pulmonar Active ES2817888T3 (es)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261720641P 2012-10-31 2012-10-31
CA2794066A CA2794066C (en) 2012-10-31 2012-10-31 Galactoside inhibitor of galectins
CA2795753A CA2795753A1 (en) 2012-10-31 2012-11-15 Novel galactoside inhibitor of galectins
US13/832,672 US9243021B2 (en) 2012-10-31 2013-03-15 Galactoside inhibitor of galectins
PCT/EP2013/072691 WO2014067986A1 (en) 2012-10-31 2013-10-30 Galactoside inhibitor of galectin-3 and its use for treating pulmonary fibrosis

Publications (1)

Publication Number Publication Date
ES2817888T3 true ES2817888T3 (es) 2021-04-08

Family

ID=52686686

Family Applications (1)

Application Number Title Priority Date Filing Date
ES13785446T Active ES2817888T3 (es) 2012-10-31 2013-10-30 Inhibidor de galactósido de galectina-3 y su uso para tratar fibrosis pulmonar

Country Status (7)

Country Link
EP (2) EP3278805A1 (OSRAM)
JP (1) JP2015535233A (OSRAM)
CN (1) CN104755088A (OSRAM)
CA (1) CA2884802A1 (OSRAM)
ES (1) ES2817888T3 (OSRAM)
IN (1) IN2015DN02573A (OSRAM)
WO (1) WO2014067986A1 (OSRAM)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9243021B2 (en) 2012-10-31 2016-01-26 Galecto Biotech Ab Galactoside inhibitor of galectins
EP2620443A1 (en) 2012-01-25 2013-07-31 Galecto Biotech AB Novel galactoside inhibitors of galectins
EP3415522A1 (en) * 2014-07-09 2018-12-19 Galecto Biotech AB Novel hybrid galactoside inhibitor of galectins
EP3492484A1 (en) 2015-01-16 2019-06-05 Galecto Biotech AB Novel galactoside inhibitor of galectins
US10774102B2 (en) * 2015-01-30 2020-09-15 Galecto Biotech Ab Galactoside inhibitor of galectins
ES2834644T3 (es) 2015-05-12 2021-06-18 Galecto Biotech Ab Tratamiento una vez al día de la fibrosis pulmonar
JP6915956B2 (ja) * 2015-05-15 2021-08-11 ガレクト・バイオテック・エイビイ 肺線維症の1日1回の治療
WO2017019770A1 (en) * 2015-07-27 2017-02-02 Wayne State University Compositions and methods relating to galectin detection
US10730902B2 (en) 2015-11-09 2020-08-04 Galecto Biotech Ab 1,1 ′-sulfanediyl-di-beta-D-galactopyranosides as inhibitors of galectins
US10369136B2 (en) * 2015-12-18 2019-08-06 Galecto Biotech Ab Polymorphic forms and process
MX394409B (es) * 2016-03-04 2025-03-24 Galectin Sciences Llc Compuestos de seleno-galactosida para la prevención y el tratamiento de las enfermedades asociadas con galectina y el uso de los mismos.
JP7038099B2 (ja) 2016-07-12 2022-03-17 ガレクト バイオテック エービー ガレクチンのα-D-ガラクトシド阻害剤
CA3025867A1 (en) 2016-07-12 2018-01-18 Galecto Biotech Ab Alpha-d-galactoside inhibitors of galectins
MX392945B (es) * 2017-05-12 2025-03-19 Galectin Sciences Llc Compuestos para la prevencion y el tratamiento de enfermedades y el uso de los mismos.
WO2019067702A1 (en) 2017-09-27 2019-04-04 Bristol-Myers Squibb Company INHIBITORS WITH SMALL MOLECULES OF GALECTIN-3
WO2019075045A1 (en) 2017-10-11 2019-04-18 Bristol-Myers Squibb Company INHIBITORS WITH SMALL MOLECULES OF GALECTIN-3
KR20200104889A (ko) 2017-12-29 2020-09-04 글리코미메틱스, 인크. E-셀렉틴 및 갈렉틴-3의 이종이기능성 억제제
EP3737686A1 (en) 2018-01-10 2020-11-18 Galecto Biotech AB Novel galactoside inhibitor of galectins
CN112437663A (zh) * 2018-05-17 2021-03-02 开动疗法公司 用β型糖原合酶激酶3抑制剂治疗特发性肺纤维化
US11970511B2 (en) 2018-06-15 2024-04-30 Bristol-Myers Squibb Company Tetrahydropyran-based thiodisaccharide mimics as Galectin-3 inhibitors
AU2019293857A1 (en) * 2018-06-29 2020-12-10 Glykos Finland Oy Conjugates
EP3866925A1 (en) 2018-10-15 2021-08-25 Galecto Biotech AB Prodrug of galactoside inhibitors of galectins
US12497428B2 (en) 2018-10-15 2025-12-16 Galecto Biotech Ab Galactoside inhibitor of galectins
JP7486484B2 (ja) 2018-11-21 2024-05-17 ガレクト バイオテック エービー ガレクチンのα-D-ガラクトシド阻害剤
US12275718B2 (en) 2018-12-06 2025-04-15 Bristol-Myers Squibb Company Small molecule inhibitors of galectin-3
US11845771B2 (en) 2018-12-27 2023-12-19 Glycomimetics, Inc. Heterobifunctional inhibitors of E-selectin and galectin-3
BR112021012482A2 (pt) 2018-12-27 2021-09-08 Glycomimetics, Inc. C-glicosídeos inibidores de galectina-3
WO2020198266A1 (en) 2019-03-26 2020-10-01 Bristol-Myers Squibb Company Small molecule inhibitors of galectin-3
US12269819B2 (en) 2019-04-10 2025-04-08 Bristol-Myers Squibb Company Small molecule inhibitors of Galectin-3
CA3138668A1 (en) 2019-06-14 2020-12-17 Denis Giguere Synthesis of 3-azido-3-deoxy-d-galactopyranose
WO2020260351A1 (en) 2019-06-24 2020-12-30 Galecto Biotech Ab Large scale process of 3,3'-dideoxy-3,3'-bis-[4-(3-fluorophenyl)-1h-1,2,3-triazol-1-yl]-1,1'-sulfanediyl-di-beta-d-galactopyranoside
US12441754B2 (en) 2019-07-03 2025-10-14 Galecto Biotech Ab Galactoside inhibitor of galectins
JP7674275B2 (ja) 2019-07-03 2025-05-09 ガレクト バイオテック エービー ガレクチンの新規なガラクトシド阻害剤
EP3994135A1 (en) 2019-07-05 2022-05-11 Galecto Biotech AB Novel galactoside inhibitor of galectins
ES2972509T3 (es) 2019-08-09 2024-06-13 Idorsia Pharmaceuticals Ltd Derivados de (hetero)aril-metil-tio-beta-D-galactopiranósidos
EP4010348B1 (en) 2019-08-09 2023-12-20 Idorsia Pharmaceuticals Ltd (2-acetamidyl)thio-beta-d-galactopyranoside derivatives
MA56883B1 (fr) 2019-08-15 2025-04-30 Idorsia Pharmaceuticals Ltd Dérivés de 2-hydroxycycloalcane-1-carbamoyle
MX2022002339A (es) 2019-08-29 2022-04-06 Idorsia Pharmaceuticals Ltd Derivados de alfa-d-galactopiranosido.
WO2021123506A1 (en) 2019-12-18 2021-06-24 Glykos Biomedical Oy Stabile conjugate
US20230107479A1 (en) * 2020-03-23 2023-04-06 G3 Pharmaceuticals, Inc. Methods and compositions for preventing and treating fibrosis resulting from a coronavirus infection
WO2021198160A1 (en) 2020-03-31 2021-10-07 Galecto Biotech Ab Large scale process for preparing 1,2,4, 6-tetra-0-acetyl-3-azid0-3-de0xy-d-galact0pyran0side
EP4146646A1 (en) 2020-05-05 2023-03-15 Bristol-Myers Squibb Company Small molecule inhibitors of galectin-3
JP7677995B2 (ja) 2020-05-11 2025-05-15 ブリストル-マイヤーズ スクイブ カンパニー ガレクチン-3の低分子阻害剤
WO2021242982A1 (en) 2020-05-28 2021-12-02 Bristol-Myers Squibb Company Galectin-3 inhibitors
TWI890869B (zh) 2020-10-06 2025-07-21 瑞士商愛杜西亞製藥有限公司 α-D-吡喃半乳糖苷之螺衍生物
MX2023005039A (es) 2020-11-02 2023-05-16 Idorsia Pharmaceuticals Ltd Derivados de 2-hidroxicicloalcan-1-carbamoilo que inhiben la galectina-3.
CA3207214A1 (en) 2021-02-09 2022-08-18 Martin Bolli Hydroxyheterocycloalkane-carbamoyl derivatives
ES3033422T3 (en) 2021-03-03 2025-08-04 Idorsia Pharmaceuticals Ltd Triazolyl-methyl substituted alpha-d-galactopyranoside derivatives
WO2025111704A1 (en) * 2023-12-01 2025-06-05 UNIVERSITé LAVAL Selective inhibitors of galectin-3

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3470380D1 (en) 1984-08-09 1988-05-19 Inge Brugger Nebulizer
US5152456A (en) 1989-12-12 1992-10-06 Bespak, Plc Dispensing apparatus having a perforate outlet member and a vibrating device
GB9027234D0 (en) 1990-12-15 1991-02-06 Harris Pharma Ltd An inhalation device
ES2141108T3 (es) 1991-07-02 2000-03-16 Inhale Inc Metodo y dispositivo para proporcionar medicamentos en aerosol.
ATE209939T1 (de) 1996-01-03 2001-12-15 Glaxo Group Ltd Inhalator
DE19726110C2 (de) 1997-06-20 1999-07-22 Draegerwerk Ag Aerosolgenerator für Beatmungssysteme
US6962151B1 (en) 1999-11-05 2005-11-08 Pari GmbH Spezialisten für effektive Inhalation Inhalation nebulizer
DE10102846B4 (de) 2001-01-23 2012-04-12 Pari Pharma Gmbh Aerosolgenerator
ATE269735T1 (de) 2001-10-18 2004-07-15 Pari Gmbh Inhalationstherapievorrichtung
EP1465622A1 (en) * 2001-11-26 2004-10-13 Arachnova Therapeutics Ltd. Use of ppar activators for the treatment of pulmonary fibrosis
ATE463304T1 (de) 2002-08-02 2010-04-15 Pari Pharma Gmbh Vorrichtung zur erzeugung von flüssigkeitströpfchen
DE10250625A1 (de) 2002-10-30 2004-05-19 Pari GmbH Spezialisten für effektive Inhalation Inhalationstherapievorrichtung
DE10257381B4 (de) 2002-12-09 2006-09-14 Pari GmbH Spezialisten für effektive Inhalation Inhalationstherapievorrichtung
SE0401301D0 (sv) 2004-05-21 2004-05-21 Forskarpatent I Syd Ab Novel 3-triazolyl-galactoside inhibitors of galectins
SE0401300D0 (sv) 2004-05-21 2004-05-21 Forskarpatent I Syd Ab Novel Galactoside Inhibitors of Galectins
JPWO2006009209A1 (ja) * 2004-07-22 2008-05-01 科研製薬株式会社 慢性炎症性肺疾患を予防もしくは治療する薬剤
WO2010126435A1 (en) 2009-04-28 2010-11-04 Forskarpatent I Syd Ab Novel galactoside inhibitors of galectins
DE102009026636B4 (de) 2009-06-02 2011-04-14 Pari Pharma Gmbh Verfahren zum Verschweißen einer Membran mit einem Träger bei der Herstellung eines Membranverneblers
SG10201604560TA (en) * 2011-04-12 2016-07-28 Moerae Matrix Inc Compositions and methods for preventing or treating diseases, conditions, or processes characterized by aberrant fibroblast proliferation and extracellular matrix deposition

Also Published As

Publication number Publication date
JP2015535233A (ja) 2015-12-10
EP3278805A1 (en) 2018-02-07
IN2015DN02573A (OSRAM) 2015-09-11
EP2914269A1 (en) 2015-09-09
WO2014067986A8 (en) 2016-04-14
WO2014067986A1 (en) 2014-05-08
CA2884802A1 (en) 2014-05-08
CN104755088A (zh) 2015-07-01
EP2914269B1 (en) 2020-07-29

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