WO2002069984A2 - Verwendung von hyaluronsäure-uroniden zur behandlung von entzündlichen vorgängen - Google Patents
Verwendung von hyaluronsäure-uroniden zur behandlung von entzündlichen vorgängen Download PDFInfo
- Publication number
- WO2002069984A2 WO2002069984A2 PCT/DE2002/000688 DE0200688W WO02069984A2 WO 2002069984 A2 WO2002069984 A2 WO 2002069984A2 DE 0200688 W DE0200688 W DE 0200688W WO 02069984 A2 WO02069984 A2 WO 02069984A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hyaluronic acid
- uronides
- use according
- solution
- molecular
- 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.)
- Ceased
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
- A61K31/726—Glycosaminoglycans, i.e. mucopolysaccharides
- A61K31/728—Hyaluronic acid
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/163—Sugars; Polysaccharides
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
- A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
- A23L29/269—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of microbial origin, e.g. xanthan or dextran
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
-
- 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]
Definitions
- the invention relates to the use of systemically and intracorporeally topical hyaluronic acid uronides for the treatment of inflammatory processes and for promoting health in humans and animals.
- the invention can be used with utility in the pharmaceutical industry as well as the food and feed industries.
- hyaluronic acid in humans and animals has a multitude of effects which promote health, well-being and appearance.
- the high-molecular hyaluronic acids mainly cause mechanical effects in the body.
- the high-molecular hyaluronic acid causes the turgor, which is responsible for the firmness and thus for the youthful appearance.
- Degradation processes in which low-molecular oligohyaluronic acids are formed, allow the equilibrium concentration of hyaluronic acid in the organs to reach a low level, which is detrimental to health. This deficit can be compensated for by an increased incorporeal supply of high-molecular but also of low-molecular hyaluronic acid.
- a food can be obtained from cockscombs by subjecting the tissue to various cleaning and digestion procedures, which also leads to a partial breakdown of the hyaluronic acid. It is pointed out that hyaluronic acid in humans and animals develops a multitude of beneficial effects, which promote health, in particular in the case of traumatic tissue symptoms in the joint areas, and also the condition and appearance.
- US 4,808,576 protects systemically acting injection preparations which can be injected or applied topically dermally at locations which are not identical to the location of the traumatic tissue changes.
- the sites of action in the healing of traumatized tissue differ from the application sites, e.g. the treatment of arthritis of the joints in accordance with US 4,808,576 does not require intra-articular application.
- Hyaluronic acid is also proposed as a tolerance-improving component in peritoneal perfusion solutions (JP 1.151.462).
- DE 19853066 protects low-molecular fragments of hyaluronic acid (oligohyaluronic acids) for the production of vaccines, produced by digestion with hyaluronidase from high-molecular hyaluronic acid, and DE 198339113 also uses low-molecular hyaluronic acid produced by digestion with hyaluronidase in the production of dendritic cells.
- oral preparations are also proposed.
- the patents state that the polymeric compounds pass through the gastrointestinal tract and are absorbed largely undamaged in the small intestine through the intestinal wall and via the blood or lymph in the Body are transported. The increased supply of mucopolysaccharides leads to a health-promoting systemic effect, especially in organs in which there is a deficiency in hyaluronic acid.
- hyaluronic acid is obtained from cockscombs by subjecting the tissue to various cleaning and digestion procedures.
- JP 9.262.057 describe a special food that i.a. Contains hyaluronic acid and is recommended for halitosis.
- a food that promotes health and beauty contains special mucopolysaccharides and nucleic acids.
- the mucopolysaccharides consist of a complex of hyaluronic acid, chondroitin sulfate and collagen as well as nucleic acids.
- WO 97/25051 describes preparations with hyaluronic acid to be taken orally to prevent or prevent diseases and therapeutic preparations consisting of hyaluronan, a hyaluronic acid which additionally contains protein of animal origin crosslinked with formalin, in particular bird protein.
- JP 11.124.401 protects the production of oligohyaluronic acids with molar masses less than 10,000 D with a hyaluronic acid-degrading enzyme and uses ultrafilter modules with a cut-off not less than 10,000 D when removing the enzyme.
- JP 09.098.739 also describes the production of low molecular weight hyaluronic acid.
- oligohyaluronic acids or low molecular weight hyaluronic acids are used as a food additive or for pharmaceutical and cosmetic applications, e.g. B. proposed with effect against aging of the skin.
- RU 2.137.402 describes a special additive to dietary food, consisting of dried algae biomass with the addition of hyaluronic acid and possibly antioxidants, vitamin C and starch.
- JP 10.056.983 uses hyaluronic acid or cockerel extracts to improve the texture of gel-like foods.
- JP 4.197.145 uses hyaluronic acid in an amount of 0.05 to 0.8% for the preparation of starchy foods such as pastries, cooked rice or cakes. This way, an improved structure is obtained after the baking process and the food stays fresh longer.
- animal binding proteins that bind to glycosaminoglycans can thereby additionally be chemically crosslinked. They are then immobilized on this material as impurities which are difficult to dissolve and cannot be removed by any cleaning procedures, such as, for example, commercially bundled hyaluronan. It is also disadvantageous that the effect of the hyaluronic acid obtained in this way on the traumatic tissue is only insufficiently characterized.
- tissue absorption of the preparations of higher molecular weight hyaluronic acid usually used with molecular weights between about 100,000 D and about 2,500,000 D is relatively low due to the high molecular weights; the greater part is excreted via the digestive tract.
- Another general disadvantage of high-molecular hyaluronic acid is that it can only be used in injectables due to the high viscosity of its aqueous solutions up to a concentration of about 20 mg / ml.
- hyaluronic acid oligohyaluronic acids
- hydrolytic cleavage of the hyaluronic acid with hyaluronidase was always carried out in order to break down the high molecular weight hyaluronic acid hydrolytically into small fragments with the addition of water.
- the hyaluronidase is currently generally obtained from animal tissue, in particular from cattle testicles. The use of hyaluronidase of animal origin such as e.g. from cattle testicles due to the risk of transmission of infectious material from the animal to the user.
- the enzyme hyaluronate lyase was used in WO 0.038.647 in order to produce low-molecular hyaluronic acid fragments. Due to the specific cleavage mechanism of this enzyme, a double bond is formed on the glucuronyl residue in the ⁇ -4,5-position. The cleavage of hyaluronic acid with hyaluronate lyase accordingly leads to chemical cleavage products which differ from the hydrolysis products of hydrolysis with hyaluronidase. The double bonds after cleavage with hyaluronate lyase change the physiological properties of the cleavage products.
- WO 0.038.647 describes the epidermal topical application of formulations with hyaluronic acid uronides to protect, maintain or reconstruct the normal function and structure of human and animal skin and / or to prevent environmental, including UV-related Skin or mucous membrane damage described by UV radiation.
- hyaluronic acid uronides as active ingredients for the treatment of inflammatory processes in human and animal tissues, the Uronids are administered intracorporeally and act systemically.
- uronides of hyaluronic acid with molecular weights less than 80,000 D, preferably with molecular weights between 5,000 and 30,000 D are used.
- the uronides contain less than 0.5%, less than 0.05% proteins for applications in injectables.
- a characteristic feature of the hyaluronic acid uronides is their in vitro proven, previously unknown effect of being more angiogenic and anti-inflammatory than corresponding amounts of high-molecular hyaluronic acid or the low-molecular hyaluronic acid obtained with hyaluronidase.
- An advantage of the supply of angiogenic hyaluronic acid uronides in people and animals with undersupplied hyaluronic acid is that they improve the growth of blood vessels in traumatized tissues or promote health or accelerate healing.
- the intracorporeal administration of the uronides means that the rate of degradation of the body's own high-molecular hyaluronic acid, which is a pool for the body's own low-molecular hyaluronic acid, which has beneficial physiological effects, is reduced.
- the supply of external hyaluronic acid uronides has a positive influence on the pool of high molecular hyaluronic acid because the natural outflow to the low molecular hyaluronic acids is reduced.
- Another advantage of using the uronides is that they do not produce any disadvantageous viscosity in aqueous solution for the use according to the invention.
- uronides according to the invention are new; So far, hyaluronic acid uronides have not been proposed for oral applications or as injectables, infusion solutions or rinsing solutions. The angiogenic and anti-inflammatory properties of uronides have not been described.
- the epidermal topical applications as free radical scavengers or the use as protection against UV rays are expressly not part of the present invention.
- Possibilities according to the invention for intracorporeal application of the uronides are the use in the form of an injection preparation, a rinsing solution or an infusion solution, with which the uronids reach the body directly without going through the digestive tract.
- Flushing solutions are solutions that flush body cavities and wound cavities to achieve a dual effect, removing harmful substances, and aiding healing.
- isotonic sterile solutions which contain between 1 mg / ml and 200 mg / ml hyaluronic acid uronides.
- uronides When used as perfusion, infusion or rinsing solutions, these contain between 0.1 g / l and 100 g / l uronides as well as auxiliary substances and possibly other active substances or medicines.
- Physiological saline is preferably used as the solvent.
- Another way according to the invention for indirect administration is to add the uronides to food or feed.
- concentrated uronides are present in non-perishable or storage-stable, unmixable and defined form in the foodstuffs or feedstuffs in various stages of the food or feed preparation. They can also be used directly in food supplements.
- the uronides are proposed as food supplements in solid form, for example as powders, pellets, capsules or tablets or liquid formulations such as beverage additives, ready-made drinks or pasty, gel-like or semi-solid form. Without thereby restricting the invention, up to 30 g uronide per day without adverse health effects per 80 kg body weight are recommended for human applications.
- ⁇ -sitosterol, ⁇ -tocopherol, vitamins and / or lecithin are added.
- higher doses can be used depending on their weight. The possibility of realizing such a high daily dose represents a clear advantage of the invention compared to the oral intake of high-molecular or high-viscosity hyaluronic acid known per se.
- the uronides used in accordance with the invention are in any case produced in a manner known per se by the action of an endogenously cleaving hyaluronate lyase from microorganisms, for example with an endo-hyaluronate lyase from a Streptococcus.
- the purified enzyme is placed in a solution of high molecular hyaluronic acid with molecular weights greater than 500,000 D.
- the concentration of hyaluronic acid in the solutions is between 1 g / l to 20 g / l.
- the starting solutions can be prepared by dissolving hyaluronic acid in water or buffer solutions.
- a more economical way of manufacturing is to start from hyaluronic acid solutions that are produced in the manufacturing process of hyaluronic acid.
- the advantage of the last production variant is that a drying step can be avoided.
- the cleavage reaction is interrupted by increasing the temperature above 50 ° C. by denaturing the hyaluronate lyase.
- the reaction and the end of the reaction are monitored photometrically via the formation of a double bond in the ⁇ -4,5-position on the glucuronyl radical with an absorption maximum at 232 nm.
- the molecular weights are determined using a laser light scattering method.
- proteases in particular microbial or vegetable origin.
- Neutral proteases of plant or microbial origin are preferably used as proteases.
- the optionally added proteases or other high-molecular impurities such as lipoproteins still present in the hyaluronic acid can be removed by ultrafiltration with an ultrafilter module whose cut-off can be a maximum of 0.7 to 0.3 times lower than the average molar mass of the uronides. The uronide-free retentate is discarded and the run is concentrated with an ultrafilter.
- the solution or the retentate which contains the uronides and possibly cleavage products of the protease treatment, is concentrated by ultrafiltration via ultrafilter modules.
- the ultrafilter must preferably have a cut-off for retentate formation which is 15 to 35 times lower than the average molar mass of the uronides present after the enzymatic degradation.
- Enrichment with an ultrafilter of 1 kD gives a concentrated uronide solution with an average molecular weight between 20,000 and 30,000 D.
- the uronide-containing concentrates are brought into a solid form by one of the measures such as precipitation in alcohols such as ethanol, freeze drying or spray drying.
- a white solid product is obtained, which easily dissolves in water.
- the concentrate is precipitated in ethanol or in isobutanol.
- the solid product is collected and dried.
- CAM chorionallantois membrane
- Uronides with molecular weights of 30 kD, 100 kD and 235 kD are placed on a CAM irritated with 0.25% sodium dodecyl sulfate (SDS) and the angiogenic reactions are assessed subjectively after 24 hours.
- Fertilized chicken eggs are incubated for 3 days under standard conditions. On the third day of incubation, the eggs are disinfected with 70% ethanol. After dipping in ethanol, the eggs are air dried for a few minutes. During this time the embryo positions itself in the normal position.
- the hatching eggs are opened at the bottom and the contents are carefully transferred into sterile petri dishes (20 mm high, 200 mm diameter).
- 2.5 ml cell culture medium 89.5% Eagles minimum essential medium, 10% fetal calf serum, 500 lU / ml penicillin and 50 ⁇ g / ml streptomycin
- the shellless chicken embryos are incubated further in the incubator at 36.5 ° C and over 96% humidity and 0.7% CO 2 concentration.
- test solution (20 ⁇ l) is superficially applied to one site of damage, the second remains untreated as a control. After 24 hours, the CAM reaction and the formation of new vessels are assessed verbally on the color monitor image.
- the angiogenesis of the injured CAM is documented with the ' Stemi 2000-C, Schott cold light source ' KL 1500 ", color camera 2 1-CCD, type: MC-1009S, color monitor and JVC video cassette recorder SR-S388E.
- the 30 kD, 100 kD and 235 kD hyaluronic acid uronides significantly accelerate the angiogenic reactions in the first 24 hours after CAM irritation of the ex ovo-incubated chicken embryos after SDS treatment.
- hyaluronic acid 50 g are dissolved in 4.9 L of 0.01 M acetate buffer pH 7.0 at 4 ° C. overnight with stirring. The solution is then heated to 30 ° C. in a thermostat while stirring. For cleavage, 100 ml of a hyaluronate lyase solution containing 1000 U of hyaluronate lyase / ml of 0.01 M acetate buffer pH 7.0 are added to this solution.
- Hyaluronate lyase activity is determined according to the method described above. The 100 ml hyaluronate lyase solution is mixed in as quickly as possible, and the viscosity of the hyaluronic acid solution drops rapidly after only 3 minutes.
- hyaluronic acid 50 g are dissolved in 4.9 L of 0.01 M acetate buffer pH 7.0 at 4 ° C. overnight with stirring. The solution is then heated to 30 ° C. in a thermostat while stirring. For cleavage, 100 ml of a hyaluronate lyase solution containing 100 U of hyaluronate lyase / ml of 0.01 M acetate buffer pH 7.0 are added to this solution.
- Hyaluronate lyase activity is determined according to the method described above. The 100 ml hyaluronate lyase solution is mixed in as quickly as possible, the viscosity of the hyaluronic acid solution dropping rapidly after 10 minutes.
- One hyaluronate lyase unit corresponds to the activity, the 0.05 mg hyaluronic acid in 30
- the hyaluronic acid is cleaved in accordance with embodiment 2.1.
- the ultrafiltration step is modified. 50 Anson units of the protease bromelain (Merck Eurolab GmbH) are added. The mixture is stirred at room temperature for 2 hours. The solution is then ultrafiltered through an ultrafilter with a cut off of 20 kD. The run is then concentrated to a retentate volume of 3 l with an ultrafilter with a cut off of 1 kD. The concentrate is then freeze-dried and taken in orally in the form of solutions and orally as a solution or addition to food and feed.
- Embodiment 4 Embodiment 4
- 10 g of uronides with an average molecular weight of 20 to 30 kD are mixed with 90 g of dry milk powder, 0.2 g of lecithin, 0.02 g of tocopherol, 1 g of ⁇ -sitosterol and 2 g of sucrose by grinding together and then taken orally as a dietary supplement.
- cereal starch 90 g are mixed with 10 g of hyaluronic acid uronide in the form of their sodium salt and 0.1 g of a vitamin mixture and taken orally as a dietary supplement.
- an injection solution containing about 50 mg / ml 50 g of hyaluronic acid uronide with an average molecular weight of 25,000 D in the form of its sodium salt are dissolved in 1 liter of pyrogen-free physiological saline.
- the solution is sterile filtered, filled into ampoules as a solution for injection and injected into humans or animals.
- 100 g hyaluronic acid uronide in the form of its sodium salt are dissolved with 100 ml of physiological saline and mixed with 0.02% potassium sorbate, 5 g glucose and 0.1% sorbic acid.
- the acidity is adjusted to a pH of 5.2 with dilute citric acid. Up to 10 ml of the solution are recommended daily for oral intake by an adult.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Food Science & Technology (AREA)
- Nutrition Science (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Rheumatology (AREA)
- Epidemiology (AREA)
- Immunology (AREA)
- Dermatology (AREA)
- Pain & Pain Management (AREA)
- Dispersion Chemistry (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Physical Education & Sports Medicine (AREA)
- Mycology (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02748304A EP1408990A2 (de) | 2001-03-02 | 2002-02-21 | Verwendung von hyaluronsäure-uroniden zur behandlung von entzündlichen vorgängen |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10111165.7 | 2001-03-02 | ||
| DE10111165A DE10111165A1 (de) | 2001-03-02 | 2001-03-02 | Verwendung von Hyaluronsäure-Uroniden zur Behandlung von entzündlichen Vorgängen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2002069984A2 true WO2002069984A2 (de) | 2002-09-12 |
| WO2002069984A3 WO2002069984A3 (de) | 2003-01-30 |
Family
ID=7676737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2002/000688 Ceased WO2002069984A2 (de) | 2001-03-02 | 2002-02-21 | Verwendung von hyaluronsäure-uroniden zur behandlung von entzündlichen vorgängen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1408990A2 (de) |
| DE (1) | DE10111165A1 (de) |
| WO (1) | WO2002069984A2 (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005046562A2 (de) | 2003-11-04 | 2005-05-26 | Katharina Beschorner | Verwendung sulfatierter hyaluronsäure |
| WO2009024677A3 (fr) * | 2007-07-23 | 2009-12-03 | Agro Industrie Recherches Et Developpements A.R.D. | Utilisation d ' acide hyaluronique pour la preparation de compositions destinees a l' amelioration de la fonction de protection de la peau, de l' oeil et des muqueuses |
| EP2143433A1 (de) | 2008-07-08 | 2010-01-13 | ISOline s.r.o. | Präparat zur Vorbeugung von Gelenkerkrankungen |
| ITMI20081829A1 (it) * | 2008-10-15 | 2010-04-16 | Innovative Nutrition & Pharma Srl | Composizione per il trattamento delle patologie articolari |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808576A (en) * | 1986-04-28 | 1989-02-28 | Mobay Corporation | Remote administration of hyaluronic acid to mammals |
| GB8713747D0 (en) * | 1987-06-12 | 1987-07-15 | Unilever Plc | Skin treatment composition |
| JPH01151462A (ja) * | 1987-12-09 | 1989-06-14 | Terumo Corp | 腹膜灌流液 |
| DE4223613C2 (de) * | 1992-07-17 | 1994-07-21 | Zuckerindustrie Verein | Verfahren zur Herstellung von ungesättigten Uroniden aus pektinhaltigen Stoffen |
| JPH09241637A (ja) * | 1996-03-14 | 1997-09-16 | Chugai Pharmaceut Co Ltd | 活性酸素ラジカル除去用組成物およびその方法 |
| WO1997033593A1 (en) * | 1996-03-15 | 1997-09-18 | Takara Shuzo Co., Ltd. | A product of heat treatment of uronic acid, food, drink or drug including the product |
| JP4151092B2 (ja) * | 1997-10-22 | 2008-09-17 | チッソ株式会社 | オリゴヒアルロン酸もしくはその塩の製造法 |
| US6689349B1 (en) * | 1998-12-23 | 2004-02-10 | Esparma Gmbh | Skin protection agents containing a fragment mixture produced from hyaluronic acid by hydrolysis |
| DE10053053A1 (de) * | 2000-10-19 | 2002-05-16 | Knoell Hans Forschung Ev | Pharmazeutische Formulierungen zur Hemmung von entzündlichen Arthritiden |
| DE10053866A1 (de) * | 2000-10-27 | 2002-05-08 | Condomi Erfurt Produktions Gmb | Bioverträgliche Flüssigformulierungen für human- und veterinärmedizinische Anwendungen als Gleitmittel |
-
2001
- 2001-03-02 DE DE10111165A patent/DE10111165A1/de not_active Withdrawn
-
2002
- 2002-02-21 WO PCT/DE2002/000688 patent/WO2002069984A2/de not_active Ceased
- 2002-02-21 EP EP02748304A patent/EP1408990A2/de not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005046562A2 (de) | 2003-11-04 | 2005-05-26 | Katharina Beschorner | Verwendung sulfatierter hyaluronsäure |
| EP1737412A2 (de) * | 2003-11-04 | 2007-01-03 | Katharina Trott | Verwendung sulfatierter hyaluronsäure |
| WO2009024677A3 (fr) * | 2007-07-23 | 2009-12-03 | Agro Industrie Recherches Et Developpements A.R.D. | Utilisation d ' acide hyaluronique pour la preparation de compositions destinees a l' amelioration de la fonction de protection de la peau, de l' oeil et des muqueuses |
| CN101801391B (zh) * | 2007-07-23 | 2013-07-10 | 农业工业研究发展公司 | 透明质酸在制备用于改善皮肤、眼和粘膜的保护功能的组合物中的用途 |
| US8895532B2 (en) | 2007-07-23 | 2014-11-25 | Agro Industrie Recherches Et Developpements A.R.D. | Use of hyaluronic acid for the preparation of compositions intended for improving in particular the protective function of the skin, the eye and the mucous membranes |
| EP2143433A1 (de) | 2008-07-08 | 2010-01-13 | ISOline s.r.o. | Präparat zur Vorbeugung von Gelenkerkrankungen |
| ITMI20081829A1 (it) * | 2008-10-15 | 2010-04-16 | Innovative Nutrition & Pharma Srl | Composizione per il trattamento delle patologie articolari |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10111165A1 (de) | 2002-10-10 |
| EP1408990A2 (de) | 2004-04-21 |
| WO2002069984A3 (de) | 2003-01-30 |
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