WO2004058842A1 - Procede de fabrication d’un vecteur de molecules actives applicables dans le domaine de la diffusion de principes actifs et vecteur obtenu - Google Patents
Procede de fabrication d’un vecteur de molecules actives applicables dans le domaine de la diffusion de principes actifs et vecteur obtenu Download PDFInfo
- Publication number
- WO2004058842A1 WO2004058842A1 PCT/FR2003/050204 FR0350204W WO2004058842A1 WO 2004058842 A1 WO2004058842 A1 WO 2004058842A1 FR 0350204 W FR0350204 W FR 0350204W WO 2004058842 A1 WO2004058842 A1 WO 2004058842A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vector
- poly
- manufacturing
- ornithine
- biomedical field
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/028—Polyamidoamines
-
- 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
- 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
- A61K47/645—Polycationic or polyanionic oligopeptides, polypeptides or polyamino acids, e.g. polylysine, polyarginine, polyglutamic acid or peptide TAT
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- 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
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/10—Antimycotics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P33/00—Antiparasitic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/08—Antiallergic agents
Definitions
- the present invention relates to a process for manufacturing a vector of active molecules, applicable in the biomedical field for the diffusion of active principles.
- Such a vector is applicable to the diffusion of active principles in the human, animal and plant fields.
- the invention also covers the biomedical vector resulting from this process.
- certain active ingredients are metabolized prematurely before having reached their target.
- certain molecules can exhibit sufficient therapeutic activity, these molecules must be grafted onto vectors.
- Mention may be made, as active molecules of interest to the present invention and given by way of examples of fatty acids, antioxidants, hormones, vitamin compounds, drugs or neurotransmitters.
- Such active molecules, presented by a vector have bacteriostatic, anti-allergenic, anti-parasitic, anti-predator or antifungal, immunomodulating or anti-inflammatory activities.
- a small molecule diffuses quickly but it is rapidly metabolized while the same grafted molecule will have a longer lifespan because it will not be metabolized as quickly.
- the diffusion of an active molecule grafted on a suitable vector increases which makes it possible to migrate the active ingredient closer to the place of action before it is metabolized, and with a strong action.
- the goal is therefore to be able to use vectors with their grafted molecules, large enough in size in order to obtain high efficiency but to graft them onto vectors which also provide them with high diff usability.
- Another important parameter is the capacity for the vector to receive these active molecules by grafting.
- the present invention also provides a method for producing a vector of active molecules in the form of a polymer which does not require any inert support.
- This same vector can also trap heavy metals and compounds having a metal attached to a protein inducing immune responses such as bovine serum albumin.
- Diamines are used for this, which are polymerized in the presence of a crosslinking agent.
- the polyamines are poly (L-ornithine-R), poly (putrescine-R), poly (cadaverine-R), poly (L-carnosine-R), poly (sper idine- R) or poly (sperm-R) or a mixture of these.
- -R represents the polymerizing agent reduced with sodium borohydride.
- crosslinking agents used are chosen from formaldehyde, glyoxal, malondialdehyde although of a very high cost price, or glutaraldehyde.
- Another agent is 1,1,3,3 -tetra ethoxypropane.
- the polymerization process used consists in dissolving the diamine in a basic solution, above pH 8.0 and in adding glutaraldehyde.
- -G represents glutaraldehyde reduced to sodium borohydride.
- Such polymers are also very advantageous since it is possible to generate three-dimensional polymers.
- the present invention therefore aims to determine a process for generating polymers, bi or better three-dimensional, from a diamine but which work at neutral pH or close to this value of 7.0.
- the numerous advantages of the product according to the present invention will be revealed on reading the description which follows.
- the process consists in using a diamine L-ornithine and in polymerizing it in the presence of a compound of the family of dialdehydes, more particularly glutaraldehyde to obtain a homopolyamine, poly (L-ornithine-6).
- This monomer comprises four carbons and two NH 2 groups.
- the two NH 2 groups must in fact be separated by at least four carbons. It is noted that tests with molecules having three carbons are not satisfactory because there is no possible polymerization.
- L-ornithine it is possible to produce not only a linear homopolymer but also a 3D homopolymer by means of a crosslinker so as to form a network.
- the omopolyamine L-ornithine-6 thus produced is new and particularly inventive in its function as a vector of active molecules, more particularly in its three-dimensional form.
- the process for producing the omopolyamine L-ornithine-G according to the present invention consists in mixing.
- - L-ornithine for example 10 g in 25 ml of water with adjustment to a pH between 6.5 and 7.5, more particularly 7.0.
- the reaction which occurs is a polycondensation reaction with formation of imines.
- a linear polymer is obtained which can be used by passing through a dialysis system.
- crosslinking of this polymer is ensured by adding to the medium a crosslinking agent such as polyethylene imine.
- the addition is carried out in proportions of 1 ml per 10 g of ornithine, in this case.
- the polymer obtained is in the form of a three-dimensional polymer.
- this medium is heated to further reduce the time of polymerization of the omopolymer which becomes almost instantaneous.
- the beads thus formed are simply held mechanically on a filter and then dried under heated ventilation to remove the water on the one hand and to finalize the crosslinking on the other hand.
- beads are then degreased and then treated at least once with soda, for example in 200 ml of 1M soda at 80 ° C for two hours.
- This step allows the protons to be removed otherwise hydrogen formation and mechanical bursting of the beads would occur, making them unsuitable for easy handling.
- This step can be repeated at least once.
- beads of homopolymer L-ornithine-6 capable of serving as a vector of active molecules, with high efficiency. It is also noted that it is possible to choose according to the degree of crosslinking the size of the vector and therefore the diff usability.
- Omopolyamine poly (L-ornithine- &) obtained by the process according to the present invention, on which fatty acids are grafted, is also tested from the point of view of toxicity and basic tests have shown non-toxicity. These tests consist in administering to male rats solutions of poly (L-ornithine-6) grafted with fatty acids at 1 mg / ml at a dose of 0.5 ml / day. There is a significant increase in weight over the next 150 days. The curves have been shown in the appendix in FIGS. 1 and 2.
- L-citrulline which is placed in the presence of 3 ml of 3M acetate, 1 ml of water and 3 ml of 5% glutaraldehyde.
- the polymer weight values reached after lyophilization are 23.2 mg of poly (ornithine-G) and 7.2 mg of poly (citrulline-, respectively)
- the poly (ornithine-G) on which fatty acids are grafted by amide bond was evaluated from the point of view of its biological activity in experimental animal models of chronic conditions.
- this polymer grafted with fatty acids in a concentration of 4 to 5 10 "5 moles showed a biological activity by significant reduction of the crisis (equivalent to an attack of multiple sclerosis).
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Epidemiology (AREA)
- Immunology (AREA)
- Communicable Diseases (AREA)
- Oncology (AREA)
- Molecular Biology (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Pain & Pain Management (AREA)
- Pulmonology (AREA)
- Rheumatology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Polyamides (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicinal Preparation (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/540,755 US20060128017A1 (en) | 2002-12-24 | 2003-12-23 | Process for the production of an active molecule vector used to diffuse active substances and vector thus obtained |
JP2004563322A JP2006512435A (ja) | 2002-12-24 | 2003-12-23 | 有効成分の拡散の分野において適用できる活性分子のベクターの製造方法及びそのようにして得られるベクター |
EP03810013A EP1576022A1 (fr) | 2002-12-24 | 2003-12-23 | Procede de fabrication d'un vecteur de molecules actives applicable dans le domaine de la diffusion de principes actifs et vecteur obtenu |
AU2003302198A AU2003302198A1 (en) | 2002-12-24 | 2003-12-23 | Method for the production of an active molecule vector used to diffuse active substances and vector thus obtained |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0216629 | 2002-12-24 | ||
FR0216629A FR2849043B1 (fr) | 2002-12-24 | 2002-12-24 | Procede de fabrication d'un vecteur de molecules actives applicable dans le domaine de la diffusion de principes actifs et vecteur obtenu |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004058842A1 true WO2004058842A1 (fr) | 2004-07-15 |
WO2004058842A9 WO2004058842A9 (fr) | 2004-11-11 |
Family
ID=32406488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2003/050204 WO2004058842A1 (fr) | 2002-12-24 | 2003-12-23 | Procede de fabrication d’un vecteur de molecules actives applicables dans le domaine de la diffusion de principes actifs et vecteur obtenu |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060128017A1 (fr) |
EP (1) | EP1576022A1 (fr) |
JP (1) | JP2006512435A (fr) |
AU (1) | AU2003302198A1 (fr) |
FR (1) | FR2849043B1 (fr) |
WO (1) | WO2004058842A1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8647873B2 (en) * | 2004-04-27 | 2014-02-11 | Viacyte, Inc. | PDX1 expressing endoderm |
US7985585B2 (en) * | 2004-07-09 | 2011-07-26 | Viacyte, Inc. | Preprimitive streak and mesendoderm cells |
US20050266554A1 (en) * | 2004-04-27 | 2005-12-01 | D Amour Kevin A | PDX1 expressing endoderm |
US7625753B2 (en) * | 2003-12-23 | 2009-12-01 | Cythera, Inc. | Expansion of definitive endoderm cells |
US7541185B2 (en) * | 2003-12-23 | 2009-06-02 | Cythera, Inc. | Methods for identifying factors for differentiating definitive endoderm |
CN103898045B (zh) * | 2003-12-23 | 2019-02-01 | 维亚希特公司 | 定形内胚层 |
FR2886153B1 (fr) * | 2005-05-27 | 2009-04-10 | Gemac Sa | Composition destinee au traitement de la sclerose en plaques |
EP1957636B1 (fr) * | 2005-10-27 | 2018-07-04 | Viacyte, Inc. | Endoderme d'intestin anterieur dorsal et ventral exprimant pdx1 |
EP2650359B1 (fr) * | 2006-03-02 | 2022-05-04 | Viacyte, Inc. | Cellules précurseurs endocrines, cellules exprimant des hormones pancréatiques et procédés de production |
US7695965B2 (en) * | 2006-03-02 | 2010-04-13 | Cythera, Inc. | Methods of producing pancreatic hormones |
WO2008048647A1 (fr) * | 2006-10-17 | 2008-04-24 | Cythera, Inc. | Modulation de la voie de la phosphatidylinositol-3-kinase dans la différentiation des cellules souches embryonnaires humaines |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4454133A (en) * | 1981-10-06 | 1984-06-12 | Sutton Laboratories, Inc. | Antimicrobial compounds |
WO1991008288A1 (fr) * | 1989-11-23 | 1991-06-13 | Novo Nordisk A/S | Preparation d'enzyme immobilisee ayant permis l'incorporation d'un acide amine de base, et procede d'isomerisation de glucose ou de xylose |
US5059542A (en) * | 1988-10-12 | 1991-10-22 | Juridical Foundation The Chemo-Sero-Therapeutic Research Institute | Artificial carrier particles and method for preparation thereof |
FR2773808A1 (fr) * | 1998-01-20 | 1999-07-23 | Sagebo | Composes susceptibles de pieger les ions metalliques, leur procede d'obtention et leur utilisation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4267235A (en) * | 1979-03-19 | 1981-05-12 | California Institute Of Technology | Polyglutaraldehyde microspheres |
US6630351B1 (en) * | 1999-06-07 | 2003-10-07 | Mirus Corporation | Compositions and methods for drug delivery using pH sensitive molecules |
-
2002
- 2002-12-24 FR FR0216629A patent/FR2849043B1/fr not_active Expired - Fee Related
-
2003
- 2003-12-23 US US10/540,755 patent/US20060128017A1/en not_active Abandoned
- 2003-12-23 EP EP03810013A patent/EP1576022A1/fr not_active Withdrawn
- 2003-12-23 JP JP2004563322A patent/JP2006512435A/ja active Pending
- 2003-12-23 WO PCT/FR2003/050204 patent/WO2004058842A1/fr active Application Filing
- 2003-12-23 AU AU2003302198A patent/AU2003302198A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4454133A (en) * | 1981-10-06 | 1984-06-12 | Sutton Laboratories, Inc. | Antimicrobial compounds |
US5059542A (en) * | 1988-10-12 | 1991-10-22 | Juridical Foundation The Chemo-Sero-Therapeutic Research Institute | Artificial carrier particles and method for preparation thereof |
WO1991008288A1 (fr) * | 1989-11-23 | 1991-06-13 | Novo Nordisk A/S | Preparation d'enzyme immobilisee ayant permis l'incorporation d'un acide amine de base, et procede d'isomerisation de glucose ou de xylose |
FR2773808A1 (fr) * | 1998-01-20 | 1999-07-23 | Sagebo | Composes susceptibles de pieger les ions metalliques, leur procede d'obtention et leur utilisation |
Non-Patent Citations (3)
Title |
---|
HIRIYUKI YAMAMOTO ET AL: "Cross-linking and insolubilization studies of wate-soluble poly(L-Ornithine", INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, BUTTERWORTH & CO., GUILDFORD, GB, vol. 16, no. 2, 1994, pages 81 - 85, XP002283584, ISSN: 0141-8130 * |
HIROYUKI YAMAMOTO ET AL.: "Cross-linking and gel formation of water-soluble lysine polypeptides. An insolubilization model reaction for adhesive proteins.", INT. J.BIOL.MACROMOL., vol. 14, 1992, pages 66 - 72, XP002283585 * |
HIROYUKI YAMAMOTO, ET AL.: "Biodegradation of the Cross-linked Cationic Poly(amino acid) Hydrogels by Proteolotic Enzymes", MACROMOLECULES, vol. 28, no. 20, 1995, pages 6701 - 6704, XP002258225 * |
Also Published As
Publication number | Publication date |
---|---|
US20060128017A1 (en) | 2006-06-15 |
FR2849043A1 (fr) | 2004-06-25 |
EP1576022A1 (fr) | 2005-09-21 |
JP2006512435A (ja) | 2006-04-13 |
AU2003302198A1 (en) | 2004-07-22 |
WO2004058842A9 (fr) | 2004-11-11 |
FR2849043B1 (fr) | 2005-07-08 |
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