WO2023119167A1 - Pharmaceutical composition based on glutathione thioester and oleuropein for use in the treatment of non-alcoholic steatohepatitis - Google Patents

Pharmaceutical composition based on glutathione thioester and oleuropein for use in the treatment of non-alcoholic steatohepatitis Download PDF

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Publication number
WO2023119167A1
WO2023119167A1 PCT/IB2022/062566 IB2022062566W WO2023119167A1 WO 2023119167 A1 WO2023119167 A1 WO 2023119167A1 IB 2022062566 W IB2022062566 W IB 2022062566W WO 2023119167 A1 WO2023119167 A1 WO 2023119167A1
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WO
WIPO (PCT)
Prior art keywords
glutathione
oleuropein
composition according
ole
liver
Prior art date
Application number
PCT/IB2022/062566
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English (en)
French (fr)
Inventor
Andrea BIGOZZI
Oliviero Giusti
Gianfranco Liguri
Edoardo Mannucci
Fabio Marra
Massimo Stefani
Original Assignee
Innbiotec Pharma S.R.L.
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 Innbiotec Pharma S.R.L. filed Critical Innbiotec Pharma S.R.L.
Publication of WO2023119167A1 publication Critical patent/WO2023119167A1/en

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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
    • A61K31/7048Compounds having saccharide radicals and heterocyclic rings having oxygen as a ring hetero atom, e.g. leucoglucosan, hesperidin, erythromycin, nystatin, digitoxin or digoxin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • A61K38/04Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
    • A61K38/06Tripeptides
    • A61K38/063Glutathione
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/16Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics

Definitions

  • the present invention refers to the field of pharmaceutical preparations comprising organic active ingredients, in particular it refers to the combination of Glutathione (GSH) thioester and Oleuropein (Ole) for use in the prevention and/or treatment of hepatic steatosis forms of metabolic origin such as NAFLD (non-alcoholic fatty liver disease), NASH (non-alcoholic steatohepatitis) and their evolution into hepatic fibrosis, liver cirrhosis and liver cancer.
  • Glutathione Glutathione
  • Oleuropein Oleuropein
  • NAFLD is a complex and severe degenerative liver disease characterized by oxidative stress, inflammation and injury following metabolic stress. NAFLD and its evolution into NASH involve a number of processes, including lipid accumulation, insulin resistance, inflammation and fibrogenesis, closely associated with complications such as obesity, diabetes and steatohepatitis with possible evolution into severe liver fibrosis and cancer. Recent attempts to establish effective therapies for NAFLD and NASH have identified potential micronutrients with antioxidant power that may reduce ROS accumulation and ultimately ameliorate the disease.
  • Glutathione or GSH is a tripeptide with antioxidant properties, consisting of cysteine and glycine, linked by a normal peptide bond, and glutamate, which is instead linked to cysteine with an isopeptide bond between the carboxy group of the glutamate side chain and the amino group of cysteine.
  • GSH is used as a direct and “fast” antidote in paracetamol poisoning.
  • Glutathione is only to a small extent bioavailable to humans; its introduction into the body using external sources is, in fact, poorly effective in increasing its plasma and/or intracellular concentration.
  • bioavailable derivatives of glutathione have been synthesized and studied, which have shown to be able to increase the intracellular levels of this peptide (A. Pensalfini et al. Free Radical Biology & Medicine 44 (2008) 1624-1636).
  • GSH glutathione
  • ALT alanine transaminase
  • gGT g-glutamyl transpeptidase
  • AST aspartate transaminase
  • HbA1c glycohemoglobin
  • Oleuropein is the main secoiridoid polyphenol in the olive tree.
  • Secoiridoids are structural derivatives of iridoids (where there is a cyclopentane ring most often fused with an oxygencontaining six-membered heterocycle ring) in which the cyclopentane ring is open upon oxidation and breaking of a carbon-carbon bond.
  • the oleuropein aglycone metabolism leads to the formation, inter alia, of hydroxytyrosol, a polyphenol with strong antioxidant power, and elenolic acid.
  • AST aspartate aminotransferase
  • yGT Gamma-glutamyl transferase
  • GSH glutathione
  • HbA1c glycosylated hemoglobin
  • NASH non-alcoholic steatohepatitis
  • NAFLD non-alcoholic fatty liver disease
  • DHA docosahexaenoic acid
  • the present invention addresses the aforementioned problems by means of a pharmaceutical composition comprising an S-acyl-Glutathione and oleuropein for use in the treatment and/or prophylaxis of hepatic steatosis forms of metabolic origin such as NAFLD (non-alcoholic fatty liver disease), NASH (non-alcoholic steatohepatitis) and related diseases, such as their evolution into hepatic fibrosis, liver cirrhosis and liver cancer.
  • NAFLD non-alcoholic fatty liver disease
  • NASH non-alcoholic steatohepatitis
  • related diseases such as their evolution into hepatic fibrosis, liver cirrhosis and liver cancer.
  • S-acyl-glutathione is selected from bioavailable S-acyl-derivatives, such as for example S-acetyl-glutathione (SAG) or thioesters of omega- 3 fatty acids such as linolenic acid, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).
  • SAG S-acetyl-glutathione
  • thioesters of omega- 3 fatty acids such as linolenic acid, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).
  • oleuropein is glycated oleuropein or in the form of an aglycone or metabolites thereof, such as for example hydroxytyrosol.
  • composition according to the present invention is preferably in the form of formulations for oral administration, preferably capsules, tablets, or in another form which can be administered parenterally, inhaled or transcutaneously.
  • the composition according to the present invention comprises 10-500 mg, more preferably 50-200 mg, of Ole and 30-1000 mg, more preferably 100-500 mg, of S-acyl- GSH.
  • the composition of the present invention is preferably to be taken once or twice a day.
  • composition of the present invention may obviously include excipients suitable for its formulation for oral, parenteral, inhalation or transcutaneous use.
  • composition of the present invention may also comprise one or more other substances with hepatoprotective activity such as, for example, N-acetyl cysteine, choline, phosphatidylcholine, Moringa oleifera extract, Silybum marianum extract, and other hepatoprotectors known to those skilled in the art.
  • substances with hepatoprotective activity such as, for example, N-acetyl cysteine, choline, phosphatidylcholine, Moringa oleifera extract, Silybum marianum extract, and other hepatoprotectors known to those skilled in the art.
  • liver enzymes alanine aminotransferase (ALT)/aspartate aminotransferase (AST) and Gamma-glutamyl transferase (yGT)
  • ALT lanine aminotransferase
  • AST aminotransferase
  • yGT Gamma-glutamyl transferase
  • Table 1 shows the values of the parameters measured at the beginning and at the end of the study.
  • mice studied after 56 days of treatment with both substances showed a surprising reduction of lipid deposits in the liver together with strongly improved histopathological characteristics. This protection resulted to be significantly improved compared to that observed in mice treated with glutathione thioester alone (both SAG and SLinG) or with Ole alone.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Molecular Biology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
PCT/IB2022/062566 2021-12-21 2022-12-21 Pharmaceutical composition based on glutathione thioester and oleuropein for use in the treatment of non-alcoholic steatohepatitis WO2023119167A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000031985 2021-12-21
IT102021000031985A IT202100031985A1 (it) 2021-12-21 2021-12-21 Composizione farmaceutica a base di glutatione tioestere e oleuropeina per l’uso nel trattamento della steatoepatite non alcolica

Publications (1)

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WO2023119167A1 true WO2023119167A1 (en) 2023-06-29

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PCT/IB2022/062566 WO2023119167A1 (en) 2021-12-21 2022-12-21 Pharmaceutical composition based on glutathione thioester and oleuropein for use in the treatment of non-alcoholic steatohepatitis

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IT (1) IT202100031985A1 (it)
WO (1) WO2023119167A1 (it)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327612A1 (de) * 1987-07-09 1989-08-16 Gerhard Dr. med. OHLENSCHLÄGER Pharmazeutisch therapeutische verwendung von glutathion-derivaten
WO2018146621A1 (en) * 2017-02-08 2018-08-16 Solosale S.R.L. Pharmaceutical composition for the prevention and treatment of memory and cognitive deficits related to ageing
US20200009101A1 (en) * 2017-02-16 2020-01-09 Valbiotis Pharmaceutical active ingredient and use thereof, in particular for the prevention and treatment of metabolic disorders in humans and animals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0327612A1 (de) * 1987-07-09 1989-08-16 Gerhard Dr. med. OHLENSCHLÄGER Pharmazeutisch therapeutische verwendung von glutathion-derivaten
WO2018146621A1 (en) * 2017-02-08 2018-08-16 Solosale S.R.L. Pharmaceutical composition for the prevention and treatment of memory and cognitive deficits related to ageing
US20200009101A1 (en) * 2017-02-16 2020-01-09 Valbiotis Pharmaceutical active ingredient and use thereof, in particular for the prevention and treatment of metabolic disorders in humans and animals

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Publication number Publication date
IT202100031985A1 (it) 2023-06-21

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