WO2022203545A1 - Utilisation d'une émulsion phospholipidique pour traiter le syndrome d'ischémie-reperfusion - Google Patents

Utilisation d'une émulsion phospholipidique pour traiter le syndrome d'ischémie-reperfusion Download PDF

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Publication number
WO2022203545A1
WO2022203545A1 PCT/RU2022/000084 RU2022000084W WO2022203545A1 WO 2022203545 A1 WO2022203545 A1 WO 2022203545A1 RU 2022000084 W RU2022000084 W RU 2022000084W WO 2022203545 A1 WO2022203545 A1 WO 2022203545A1
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WO
WIPO (PCT)
Prior art keywords
emulsion
reperfusion
ischaemia
reperfusion syndrome
syndrome
Prior art date
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PCT/RU2022/000084
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English (en)
Russian (ru)
Inventor
Антон Владимирович ЕВТЕЕВ
Сергей Антонович ЕВТЕЕВ
Original Assignee
Антон Владимирович ЕВТЕЕВ
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Publication date
Application filed by Антон Владимирович ЕВТЕЕВ filed Critical Антон Владимирович ЕВТЕЕВ
Publication of WO2022203545A1 publication Critical patent/WO2022203545A1/fr

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/35Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
    • A61K31/351Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom not condensed with another ring
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/13Coniferophyta (gymnosperms)
    • A61K36/15Pinaceae (Pine family), e.g. pine or cedar
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/10Dispersions; Emulsions
    • A61K9/107Emulsions ; Emulsion preconcentrates; Micelles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/10Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis

Definitions

  • Ischemia-reperfusion syndrome is a complex of clinical manifestations associated with damage to cells, tissues and organs as a result of ischemia and subsequent restoration of blood circulation, accompanied by multiple organ failure.
  • One of the most urgent tasks is the problem of relief of ischemia-reperfusion syndrome in myocardial infarction.
  • Reperfusion-induced death of cardiomyocytes that should have remained viable after the onset of an ischemic event is defined as lethal myocardial reperfusion injury.
  • Lethal myocardial reperfusion injury negates the benefits of myocardial reperfusion (in terms of reducing MI size) and thus represents an important target for cardioprotection in patients. There is currently no effective therapy to reduce lethal injury.
  • rasburicase (patent RU 2482187) for the prevention and treatment of complications caused by ischemia and reperfusion in the heart.
  • Lipin is prescribed in the treatment of acute myocardial infarction and unstable angina.
  • Lipin is prescribed at a dose of 35 mg/kg of body weight 4 times a day.
  • the drug is administered intravenously slowly.
  • the course of treatment is 4-5 days.
  • Lipin is prescribed at a dose of 30 mg/kg of body weight 30 minutes before the administration of a thrombolytic, and then at 15 mg/kg of body weight 4 times a day.
  • the disadvantage of this drug is the limited possibility of clinical use, especially in emergency cases.
  • the conditions for storage and preparation of the composition are significantly limited: store in a freezer at a temperature of -20 to -10 °C. Store the finished emulsion at a temperature of 2-6 ° C for no more than 6 hours. Liposomal emulsion is prepared immediately before use. Before preparing the vial with the drug should be kept at room temperature for about 30 minutes.
  • the invention is aimed at treating ischemic lesions of various tissues (acute myocardial infarction, acute cerebrovascular accident, chronic/acute ischemia of the lower extremities).
  • the problem that this invention solves is to limit the size of the ischemic lesion, in particular the consequences of the ischemia-reperfusion syndrome.
  • the technical result is a reduction in the area of ischemic damage with the introduction of the emulsion.
  • the result is achieved by stopping oxidative stress caused by ischemia-reperfusion syndrome, as well as by restoring cell membranes.
  • the problem is solved by using a phospholipid emulsion containing an effective amount of dihydroquercetin for the treatment of ischemia-reperfusion syndrome in patients with ischemic lesions of organs and limbs, where the phospholipid emulsion has the following composition in g per 100 ml: glycine 3.5 ⁇ 0.5 egg lecithin 3.5 ⁇ 0.8 dihydroquercetin 0.35 ⁇ 0.1 water - the rest.
  • the use of the emulsion involves the intravenous administration of the emulsion.
  • Ischemic damage to organs and limbs can be, in particular, a heart attack or stroke.
  • the specified phospholipid emulsion is used as part of complex therapy.
  • Said phospholipid emulsion may additionally contain thickeners and/or pharmaceutically acceptable excipients.
  • Phospholipid emulsion is administered intravenously 2 minutes before reperfusion in doses of 0.29 - 5.7 ml/kg of body weight for mammals.
  • Emulsion significantly reduces the damage to cells, tissues and organs in ischemia-reperfusion syndrome
  • the claimed result was demonstrated in an experiment on modeling myocardial ischemia-reperfusion, followed by reperfusion injury, as close as possible to the real clinical picture.
  • the emulsion introduced in volumes of 1.45 ml/kg (F-0.5) and 2.9 ml/kg (F-1) reduced the size of myocardial lesion by 1.85 and 2.83 times, respectively, compared with the control group C-0.5.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biotechnology (AREA)
  • Cardiology (AREA)
  • Botany (AREA)
  • Medical Informatics (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Dispersion Chemistry (AREA)
  • Urology & Nephrology (AREA)
  • Vascular Medicine (AREA)
  • Alternative & Traditional Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

L'invention se rapporte au domaine de la médecine, notamment à des moyens d'action thérapeutique, et a pour but de supprimer les dommages de reperfusion d'organes en cas de syndrome d'ischémie-reperfusion. L'invention peut être utilisée en chirurgie, en cardiologie, en réanimation, en médecine d'urgence, en réhabilitation, y compris pour un infarctus du myocarde (IM), ainsi qu'en pharmacologie afin de créer de nouvelles compositions médicamenteuses afin de traiter des patients présentant un syndrome d'ischémie-reperfusion. A cette fin, l'invention concerne l'utilisation d'une émulsion phospholipidique comprenant une quantité efficace de dihydroquercétine chez des patients soufrant d'une affection ischémique des organes et des extrémités, laquelle émulsion phospholipidique possède la composition suivante en g. pour 100 ml: glycine 3,5±0,5; lécithine d'oeuf 3,5±0,8; dihydroquercétine 0,35±0,1; le reste se composant d'eau. L'utilisation comprend l'administration intraveineuse et/ou par voie orale de l'émulsion dans le cadre d'une thérapie complexe. L'administration intraveineuse de l'émulsion se fait 2 minutes avant la reperfusion dans des doses de 0,29-5,7 ml/kg. Le résultat technique consiste en une diminution de la zone d'affection ischémique lors de l'administration de l'émulsion. Ce résultat est atteint par la suppression du stress oxydant induit par le syndrome d'ischémie-reperfusion, et par le rétablissement des membranes cellulaires.
PCT/RU2022/000084 2021-03-24 2022-03-22 Utilisation d'une émulsion phospholipidique pour traiter le syndrome d'ischémie-reperfusion WO2022203545A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2021107716 2021-03-24
RU2021107716A RU2766681C1 (ru) 2021-03-24 2021-03-24 Применение фосфолипидной эмульсии, содержащей эффективное количество дигидрокверцетина, для лечения синдрома ишемии-реперфузии у пациентов с ишемическими поражениями органов и конечностей

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WO2022203545A1 true WO2022203545A1 (fr) 2022-09-29

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PCT/RU2022/000084 WO2022203545A1 (fr) 2021-03-24 2022-03-22 Utilisation d'une émulsion phospholipidique pour traiter le syndrome d'ischémie-reperfusion

Country Status (2)

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RU (1) RU2766681C1 (fr)
WO (1) WO2022203545A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2622024C2 (ru) * 2015-12-01 2017-06-08 Общество с ограниченной ответственностью "Флавимакс" Применение липосомальной эмульсии с дигидрокверцетином "фламена" для лечения хронических эндометритов с аутоиммунными нарушениями при бесплодии

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2622024C2 (ru) * 2015-12-01 2017-06-08 Общество с ограниченной ответственностью "Флавимакс" Применение липосомальной эмульсии с дигидрокверцетином "фламена" для лечения хронических эндометритов с аутоиммунными нарушениями при бесплодии

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
MAKSIMOVICH N.E. ET AL.: "Korrigiruiushchie effekty digidrokvertsetina pri ishemii-reperfuzii golovnogo mozga", BIOMEDITSINSKAIA KHIMIIA, vol. 60, no. 6, 2014, pages 643 - 650 *
SHU ZUNPENG ET AL.: "Cardioprotective effects of dihydroquercetin against ischemia reperfusion injury by inhibiting oxidative stress and endoplasmic reticulum stress-induced apoptosis via the PDK/Akt pathway", FOOD FUNCT., vol. 10, no. 1, 2019, pages 203 - 215, XP055974467 *
SUNIL CHRISTUDAS ET AL.: "An insight into the health-promoting effects of taxifolin (dihydroquercetin", PHYTOCHEMISTRY, vol. 166, 2019, XP085782412, DOI: doi.org/10.1016/j. phytochem. 2019.112066 *
WANG YEA-HWEY ET AL.: "Taxifolin ameliorates cerebral ischemia-reperfusion injury in rats through its anti -oxidative effect and modulation of NF-kappa V activation", JOURNAL OF BIOMEDICAL SCIENCE, 2006, pages 127 - 141, XP019272247, DOI: 10.1007/sl 1373-005-9031-0 *

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