EP2114371A1 - Transport de substances pharmaceutiques par la barrière hémato-encéphalique au moyen d'apolipoprotéines - Google Patents

Transport de substances pharmaceutiques par la barrière hémato-encéphalique au moyen d'apolipoprotéines

Info

Publication number
EP2114371A1
EP2114371A1 EP08707506A EP08707506A EP2114371A1 EP 2114371 A1 EP2114371 A1 EP 2114371A1 EP 08707506 A EP08707506 A EP 08707506A EP 08707506 A EP08707506 A EP 08707506A EP 2114371 A1 EP2114371 A1 EP 2114371A1
Authority
EP
European Patent Office
Prior art keywords
apolipoprotein
component
drug
combination preparation
solution
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.)
Withdrawn
Application number
EP08707506A
Other languages
German (de)
English (en)
Inventor
Jörg KREUTER
Klaus Langer
Sebastian Dreis
Telli Hekmatara
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.)
LTS Lohmann Therapie Systeme AG
Original Assignee
LTS Lohmann Therapie Systeme AG
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 LTS Lohmann Therapie Systeme AG filed Critical LTS Lohmann Therapie Systeme AG
Publication of EP2114371A1 publication Critical patent/EP2114371A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • 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
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/42—Proteins; Polypeptides; Degradation products thereof; Derivatives thereof, e.g. albumin, gelatin or zein
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/04—Centrally acting analgesics, e.g. opioids

Definitions

  • the present invention relates to combination preparations with which drugs can be transported across the blood-brain barrier into the central nervous system.
  • the present invention relates to combination preparations containing at least one apolipoprotein as a component and a drug as further
  • Component include.
  • the present invention also relates to methods of administering a drug across the blood-brain barrier to the central nervous system by administering the components of a combined preparation simultaneously, separately or sequentially comprising at least one apolipoprotein as a component and a drug as another component.
  • the blood-brain barrier is a physiological barrier between the circulatory system and the central nervous system that separates the environment of the central nervous system from those of the circulatory system.
  • Apolar substances can cross the blood-brain barrier, but polar or hydrophilic substances whose molecular weight is greater than that of urea can not penetrate into the central nervous system through the interstitial spaces between the endothelial cells of the vessel wall, but must be transported through the endothelial cell transport systems enter the central nervous system.
  • the blood-brain barrier provides effective protection of the brain from toxins circulating in the circulatory system.
  • the blood-brain barrier also prevents many drugs useful for treating brain and central nervous system disorders, such as Alzheimer's Disease, Parkinson's disease, epilepsy, schizophrenia, Huntington's disease, bacterial and viral infections. as well as cancer, are suitable to enter the central nervous system. Most of these drugs are so hydrophilic that they are prevented from penetrating the central nervous system by the blood-brain barrier.
  • polysorbate 80 is not physiological and the transport of the drug-loaded polyalkylcyanoacrylate nanoparticles across the blood-brain barrier could be due to a toxic effect of polysorbate 80.
  • Polyacrylates are also discussed as initiators of autoimmune diseases.
  • EP 1 392 255 A1 describes active substance-loaded nanoparticles based on a hydrophilic protein or a combination of hydrophilic proteins and coupled to the apolipoprotein E covalently or via the avidin / biotin system. Using such nanoparticles, dalargin was successfully transported across the blood-brain barrier.
  • hydrophilic drug must not be bound to loaded with apolipoprotein nanoparticles to be transported across the blood-brain barrier in the central nervous system can. It has been found that hydrophilic drugs also enter the central nervous system when administered in combination, that is, simultaneously, separately or even staggered with an apolipoprotein by intravenous injection.
  • the present invention thus relates to combination preparations for the administration of a drug to the central nervous system, comprising at least one
  • Apolipoprotein as component A and a drug as component B for simultaneous, separate or timed intravenous injection includes embodiments of the combination preparation in which a mixture of apolipoprotein with drug is present in a common preparation.
  • This embodiment allows the separate, even staggered administration of apolipoprotein and active ingredient, preferably by first apolipoprotein restroom the
  • the invention also includes methods in which a drug is administered by simultaneous, separate or staggered injection of at least one apolipoprotein to the central nervous system.
  • FIG. 1 shows a graphical representation of the test results, which illustrate a loperamide-mediated analgesic effect by administering apolipoprotein loperamide solutions.
  • FIG. 2 shows a graphic representation of the test results which are a loperamide-mediated analgesic effect after staggered injection of apolipoprotein solution and loperamide solution clarifies.
  • apolipoprotein or "apoprotein” refer to the proteins that interact with the phospholipid monolayer of
  • apolipoprotein A apo A
  • apolipoprotein B apo B
  • apolipoprotein D apo D
  • apolipoprotein E apo E
  • Isoforms of apolipoprotein A including but not limited to apo A-I.
  • Apo B means one or more of
  • Isoforms of apolipoprotein B including but not limited to apo B-48 and apo B-100.
  • apo E refers to one or more of the isoforms of apolipoprotein E, including but not limited to apo E-2, apo E-3, and apo E-4.
  • drug refers to pharmaceutically active substances which, when dosed appropriately, benefit humans by preventing, curing, alleviating or detecting diseases
  • drug includes therapeutically useful amino acids, peptides, proteins, nucleic acids, including, but not limited to oligonucleotides, polynucleotides, genes and the like, carbohydrates and lipids
  • the drugs for the present invention also include cytostatic agents, neurotrophic factors, growth factors, pituitary hormones, hypothalamic hormones, enzymes, antibodies, neurotransmitters, neuromodulators, antibiotics, antivirals, antifungals, chemotherapeutics, analgesics, psychotropic drugs, nootropics, antiepileptics, sedatives and the like.
  • drugs includes both the actual drugs and their "prodrugs" and precursors that can be activated when the drug has reached the target tissue.
  • pharmaceutically-acceptable excipients refers to chemical compositions or compounds with which a drug can be combined to produce a dosage form suitable for human use
  • Pharmaceutically-acceptable excipients include, but are not limited to, carriers, surfactants, inert diluents , Granulating agents, disintegrating agents, binders, lubricants, sweeteners, flavorings, colorants, preservatives, physiologically degradable compositions such as gelatin, aqueous carriers and solvents, oily vehicles and solvents, suspending agents, dispersing or wetting agents, emulsifiers, demulsifiers, buffers, salts, thickeners, Fillers, antioxidants, stabilizers, polymeric or hydrophobic materials.
  • the combination preparations according to the present invention comprise at least one apolipoprotein (component A) and a drug (component B) which is to be administered to the central nervous system via the blood-brain barrier.
  • component A apolipoprotein
  • component B a drug which is to be administered to the central nervous system via the blood-brain barrier.
  • the different embodiments of the Combination preparations according to the invention enable a simultaneous, separate or temporally graduated administration of the two components.
  • Component A may be an apolipoprotein or a mixture of different apolipoproteins.
  • the apolipoproteins Apo A, Apo B and Apo E are used, particularly preferred are the apolipoproteins Apo A-I, Apo B-100 and Apo E-3, or mixtures of two or three of these isoforms.
  • Preferred drugs (component B) for the combination preparation according to the invention are selected from the group comprising nucleic acids, oligonucleotides, polynucleotides, genes, amino acids, peptides, proteins, pituitary hormones, hypothalamic hormones, neurotrophic factors, growth factors, antibodies, enzymes, carbohydrates, lipids, antiviral substances , Antibiotics, antimycotics, cytostatics, analgesics, nootropics, antiepileptics, sedatives, psychotropic drugs, this list is by no means exhaustive.
  • the active ingredient is selected from the group comprising dalargin, loperamide, tubocuarine, daunorubicin and doxorubicin.
  • Component A and Component B are in a co-preparation which may additionally contain pharmaceutically acceptable excipients.
  • the joint preparation may be a solution, preferably an isotonic sodium chloride solution in which both the apolipoprotein and the active ingredient are dissolved.
  • component A may be in the form of drug-free nanoparticles to which apolipoprotein is coupled, and / or component B may be in the form of drug-containing nanoparticles with no apolipoprotein attached thereto.
  • the components A and B are present in separate preparations, so that the two components can be administered separately from one another simultaneously or at different times.
  • component A and / or component B may be in the form of solutions, preferably isotonic sodium chloride solutions, or in the form of nanoparticulate formulations in which the apolipoprotein-laden nanoparticles are drug-free and the drug-containing nanoparticles are free of apolipoproteins.
  • Both the co-formulation for components A and B and the separate formulations for components A and B may contain, in addition to the respective components, pharmacologically acceptable excipients.
  • the present invention also relates to a method by which drugs, in particular hydrophilic drugs, can be administered to the central nervous system via the blood-brain barrier. This method for central nervous administration of a
  • Drug comprises the simultaneous, separate or sequential administration of the components of the combination preparation according to the invention comprising as component A at least one apolipoprotein and as component B the drug to be administered.
  • intravenous injection is preferred.
  • the offset in a time-graded administration of components A and B present in separate formulations, in which first the apolipoprotein-containing preparation and then the drug-containing preparation is administered, may be between 10 minutes and 24 hours.
  • the administration of the drug-containing preparation takes place within 480 minutes after administration of the apolipoprotein-containing preparation.
  • the time offset is between 15 minutes and 180 minutes.
  • the temporal offset is most preferably between 30 minutes and 120 minutes, and most preferably between 60 minutes and 90 minutes. Examples
  • apolipoprotein E-3 / loperamide solution 800 ⁇ g of lyophilized apolipoprotein E-3 were dissolved in 3.72 ml of sterile isotonic NaCl solution on a vortex shaker. Subsequently, 280 ⁇ l of a loperamide stock solution (10 mg / ml) was added. The resulting solution had a concentration of 200 ⁇ g / ml apo E-3 and 0, 7 mg / ml loperamide.
  • apolipoprotein A-1 / loperamide solution 800 ⁇ g of purified apolipoprotein A-I were made up to 3.72 ml with sterile isotonic NaCl solution. Subsequently, 280 ⁇ l of a loperamide stock solution (10 mg / ml) was added and mixed with the vortex shaker. The resulting solution had a concentration of 200 ⁇ g / ml Apo Al and 0.7 mg / ml loperamide.
  • apolipoprotein B-100 / loperamide solution 800 ⁇ g of purified apolipoprotein B-100 were made up to 3.72 ml with sterile isotonic NaCl solution.
  • the resulting solution had a concentration of 200 ⁇ g / ml Apo B-100 and 0.7 mg / ml loperamide.
  • Apolipoprotein / loperamide solutions were each 10 mice
  • the tail-flick test was used.
  • the tail of each mouse was placed in a special apparatus over an infrared lamp and exposed to heat.
  • the mouse pulled away its tail, which triggered a photosensor and the reaction time was determined.
  • the time was measured until a mouse pulled its tail away from the heat source.
  • the measurement was automatically stopped after 10 seconds if no reaction to the heat attack followed.
  • MPE maximum possible effect
  • Latency before drug administration - latency after drug administration
  • loperamide stock solution 2.8 mg loperamide were dissolved in 280 ⁇ l ethanol 40.6% (v / v). To this stock solution was added 3.72 ml of sterile isotonic NaCl solution. The resulting solution had a concentration of 0.7 mg / ml loperamide.
  • apolipoprotein E-3 solution made.
  • the dosage is related to apolipoprotein E-3 and was 2 mg / kg. This corresponded to an injection volume of 10 ⁇ l of solution per gram body weight of the mouse.
  • loperamide solution was performed on the respective test animal.
  • the dosage is based on loperamide and was 7 mg / kg. This corresponded to an injection volume of 10 ⁇ l of solution per gram body weight of the mouse.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Inorganic Chemistry (AREA)
  • Dermatology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Pain & Pain Management (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Peptides Or Proteins (AREA)

Abstract

La présente invention concerne des associations médicamenteuses contenant comme premier composant au moins une apolipoprotéine et comme second composant une substance médicamenteuse destinée à être transportée dans le système nerveux central par la barrière hémato-encéphalique, lesdits composants pouvant être administrés simultanément, séparément ou de façon étagée dans le temps. L'invention concerne également un procédé d'administration d'une substance médicamenteuse dans le système nerveux central.
EP08707506A 2007-02-10 2008-02-01 Transport de substances pharmaceutiques par la barrière hémato-encéphalique au moyen d'apolipoprotéines Withdrawn EP2114371A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007006663A DE102007006663A1 (de) 2007-02-10 2007-02-10 Transport von Arzneistoffen über die Blut-Hirn-Schranke mittels Apolipoproteinen
PCT/EP2008/000822 WO2008095652A1 (fr) 2007-02-10 2008-02-01 Transport de substances pharmaceutiques par la barrière hémato-encéphalique au moyen d'apolipoprotéines

Publications (1)

Publication Number Publication Date
EP2114371A1 true EP2114371A1 (fr) 2009-11-11

Family

ID=39473583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08707506A Withdrawn EP2114371A1 (fr) 2007-02-10 2008-02-01 Transport de substances pharmaceutiques par la barrière hémato-encéphalique au moyen d'apolipoprotéines

Country Status (5)

Country Link
US (1) US20100028446A1 (fr)
EP (1) EP2114371A1 (fr)
JP (1) JP2010518036A (fr)
DE (1) DE102007006663A1 (fr)
WO (1) WO2008095652A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102492490B1 (ko) 2011-11-11 2023-01-30 지이 비디오 컴프레션, 엘엘씨 깊이-맵 추정 및 업데이트를 사용한 효율적인 멀티-뷰 코딩

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745950A1 (de) * 1997-10-17 1999-04-22 Dds Drug Delivery Service Ges Arzneistoffträgerpartikel für die gewebespezifische Arzneistoffapplikation
DE10121982B4 (de) 2001-05-05 2008-01-24 Lts Lohmann Therapie-Systeme Ag Nanopartikel aus Protein mit gekoppeltem Apolipoprotein E zur Überwindung der Blut-Hirn-Schranke und Verfahren zu ihrer Herstellung
JP4995423B2 (ja) * 2002-12-03 2012-08-08 ブランシェット・ロックフェラー・ニューロサイエンスィズ・インスティテュート 物質を血液−脳関門を渡って輸送するための人工低密度リポタンパク質キャリア
PE20050438A1 (es) * 2003-10-20 2005-06-14 Esperion Therapeutics Inc Formulas farmaceuticas, metodos y regimenes de dosificacion para el tratamiento y la prevencion de sindromes coronarios agudos

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008095652A1 *

Also Published As

Publication number Publication date
JP2010518036A (ja) 2010-05-27
DE102007006663A1 (de) 2008-08-21
US20100028446A1 (en) 2010-02-04
WO2008095652A1 (fr) 2008-08-14

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