WO2008002196A1 - Composition pharmaceutique pour traiter des brûlures (et variantes) et procédés de fabrication (et variantes) - Google Patents
Composition pharmaceutique pour traiter des brûlures (et variantes) et procédés de fabrication (et variantes) Download PDFInfo
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- WO2008002196A1 WO2008002196A1 PCT/RU2007/000327 RU2007000327W WO2008002196A1 WO 2008002196 A1 WO2008002196 A1 WO 2008002196A1 RU 2007000327 W RU2007000327 W RU 2007000327W WO 2008002196 A1 WO2008002196 A1 WO 2008002196A1
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- 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
- A61K9/0014—Skin, i.e. galenical aspects of topical compositions
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- 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
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/24—Heavy metals; Compounds thereof
- A61K33/38—Silver; Compounds thereof
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- 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
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
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- 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
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
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- 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
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
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- 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
- A61K9/06—Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L26/00—Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form
- A61L26/0009—Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form containing macromolecular materials
- A61L26/0023—Polysaccharides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L26/00—Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form
- A61L26/0061—Use of materials characterised by their function or physical properties
- A61L26/0066—Medicaments; Biocides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L26/00—Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form
- A61L26/0061—Use of materials characterised by their function or physical properties
- A61L26/008—Hydrogels or hydrocolloids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/02—Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/412—Tissue-regenerating or healing or proliferative agents
Definitions
- composition for the treatment of burns (options) and method for its preparation (options)
- the invention relates to medicine, namely to soft drugs for external use (ointments, gels, emulsions, liniments), and can be used to treat thermal, solar and chemical burns in humans and animals
- Burns of varying severity are accompanied by a violation of acid-base balance and protein synthesis, a combination of enzymatic reactions of the decomposition of complex macromolecular and bioorganic compounds, which leads to tissue necrosis, essudative reactions, the formation of granulation tissue, bacterial contamination of the burn surface.
- the search for effective agents for treating wounds caused by burns is an urgent problem of modern medicine and pharmacology.
- methyluracil ointment for local and external use (see the Russian drug register), contains 10 g of methyluracil and ointment base (medical vaseline, aqueous lanolin) up to 100 g.
- Levomekol an antimicrobial ointment for external use, is also known, containing 4 g of methyluracil, 0.75 g of chloramphenicol and ointment base up to 100 g.
- methyluracil ointments remain the most common treatment for burns, they are not free from a number of disadvantages.
- medicines for the treatment of burns made in the form of gels, characterized by the use of various active substances and gel-forming components.
- a composition for treating burns in children is known (see RF patent N ° 2209074, publ. 2003), including the biologically active component of the drug Actovegin in the form of an injection and Tizol gel in the following ratio, wt.%: Actovegin solution for injection in terms of the content of the active component 0.2 - 0.3, Tizol - up to 100.
- the composition for the treatment of burns is prepared as follows. In a reactor equipped with a heating system and a mechanical stirrer, the base of the Tizol composition is prepared - the substance and Actovegin is added to it in the form of an injection solution in ampoules based on the calculation of the desired concentration of Actovegin from 0.2 to 0.3 wt.%. The resulting composition is thoroughly mixed to a homogeneous environment, quality control of the mixture is carried out and packaged in glass containers (dark glass) 10-50 grams, closed and glued labels.
- the composition is used to treat burns in children as follows. After the primary toilet of the burn wound, which includes covering and emptying the epidermal blisters, removing the remnants of the affected epidermis, cleaning the wound with sterile gauze swabs moistened with an antiseptic, the application of the proposed composition is performed - thisol with Actovegin.
- the lack of composition is the occurrence of allergic reactions in some patients (urticaria, sensation of fever, fever, shock), which is especially important when treating children.
- wound healing agent (see RF patent N ° 2259816, publ. 2005), comprising the active substance mexidol (2-ethyl 6-methyl 3-hydroxypyridine succinate), a gelling agent and distilled water in the following ratio of components, max .%: gelling agent 0.5-5.0, stabilizer 0.01-0.8, preservative 0.01-1.0, mexidol 0.01-10.0, distilled deionized water - the rest.
- Wound healing agent is prepared as follows. The necessary reactor is placed in a special the amount of deionized distilled water, heat it to 70 ° C and with constant stirring, a gelling base and a stabilizer are introduced.
- the preservative is dissolved in a separate container with stirring at room temperature, then Mexidol is added and stirred until the solution is completely transparent.
- the resulting solutions are mixed by stirring for two hours until complete transparency and uniformity of the system.
- the resulting gel was cooled to room temperature.
- Known tool is highly effective. It has a pronounced wound healing effect in the 1st, 2nd and 3rd phases of the wound healing process. It quickly eliminates inflammatory processes, reduces soreness, swelling, significantly improves the condition of affected tissues, accelerates reparative-degenerative processes and the timing of epithelization, has a wide spectrum of action.
- mexidol being an antioxidant, exhibits a therapeutic effect only in the initial period of application of the drug to the wound surface.
- the more intense the inflammatory processes the more intensively the products of lipid peroxidation accumulate and, accordingly, Mexidol is consumed faster, while the bulk of the active substance is inactivated in the aqueous phase due to atmospheric oxygen.
- These processes are enhanced by the fact that, on the surface of the skin, a monomolecular film is formed, which, in fact, is a membrane and enhances the inactivation of mexidol.
- Mexidol is unstable under aseptic conditions, i.e. after violation of the integrity of industrial packaging, the active substance is rapidly inactivated. Based on the foregoing, Mexidol is an ambulance: its effect is very effective, but it is short-lived, which is not rational in the treatment of burns.
- Xymedon N- ( ⁇ -hydroxyethyl) -4,6-dimethyldihydropyrimedone-2
- 3rd generation pyrimidine derivative having high regenerative activity see AS No. 1685454, publ. 1991, 1991
- Xymedon is an effective treatment for burns due to its high anti-inflammatory and regenerative activity.
- the therapeutic effect is expressed in the quickest healing of the wound surface, the scab falling off at an earlier date, in the improvement of morphological a logical and purely chemical picture of skin lesions and restoration of biochemical parameters indicating normalization of metabolic processes. Based on this tool, a number of drugs have been created.
- the ointment contains xymedon (5-10 wt.%) As an active agent and a vaseline-lanolin mixture (lanolin - 40-45, vaseline - the rest, up to 100 wt.%) As the main agent.
- the powder contains xymedon (5-10 wt.%) And talc - the rest (up to 100 wt.%). All proposed dosage forms are prepared in accordance with generally accepted pharmacopoeial rules.
- the tool has antibacterial activity, reduces the phases of hydration and dehydration of the wound process, reduces the period of treatment of wounds.
- the applicant does not know a composition based on the active ingredient of xymedon, made in the form of a gel, therefore any of the described inventions based on the active substance of xymedon can be taken as a prototype.
- the applicant for the prototype selected a composition in the form of an ointment described above (see "Kimedon in clinical practice", S. G. Izmaylov et al., N. Novgorod, Publishing House of the Novosibirsk State Medical Academy, 2001, p. 92).
- the prototype for the method of obtaining a pharmaceutical composition by the applicant selected a method of obtaining a wound healing agent (see RF patent N ° 2259816, publ. 2005), described above.
- the problem to which the invention is directed is to create a highly effective regenerative, wound healing, microcirculation improving agent for treating an infected burn wound, made in the form of a gel - the dosage form that works most favorably in the treatment of burns, based on the active substance ksime- Don (N- (P-Oxyethyl) -4,6-dimethyldihydropyrimedone-2) - 3rd generation pyrimidine derivative with high regenerative activity.
- a group of inventions is proposed combining variants of a pharmaceutical composition for treating burns based on the active substance Xymedon, containing a gelling agent, a water-retaining agent and distilled water as the main agents, and methods for preparing the compositions.
- a pharmaceutical composition for treating burns includes the active substance N- ( ⁇ -hydroxyethyl) -4,6-dimethyldihydroperium medone-2 (xymedon) and base substances in which, according to the invention, it contains a gelling agent as base agents, which is sodium salts of biopolymers, a water-retaining agent, which is glycerin, in an amount of not less than 20 wt.%, a stabilizer, a preservative and distilled water.
- a gelling agent as base agents, which is sodium salts of biopolymers
- a water-retaining agent which is glycerin
- a gelling agent it may contain sodium carboxymethyl cellulose, sodium alginates, or a mixture thereof
- the composition When using sodium carboxymethyl cellulose as a gelling agent, the composition has the following composition, wt.%: Xymedon 1.0 - 10.0
- the composition When using alginates as a sodium gelling agent, the composition has the following composition, wt.%: Xymedon 1.0 - 10.0
- the composition When using a mixture of sodium carboxymethyl cellulose and sodium alginates as a gelling agent, the composition has the following composition, wt.%: Xymedon 1.0 - 10.0
- the pharmaceutical composition for treating burns contains the active substance silver nitrate in an amount of 0.1-0.2 wt.%.
- a pharmaceutical composition for treating burns according to a third embodiment of the invention in addition to the active substance xymedon, contains active substances silver nitrate in an amount of 0.1-0.2 wt.%. and sodium sulfacyl in an amount of 0.5-1.0 wt.%.
- the pharmaceutical composition for treating burns according to a fourth embodiment of the invention in addition to the active substance xymedon, contains the active substances chloramphenicol in an amount of 1.0 to 5.0 wt.% And succinic acid in an amount of 2.0 to 10.0 wt.%.
- the specified technical result is achieved by variants of the method for producing a pharmaceutical composition for treating burns.
- the first variant of the method allows to obtain the first three variants of pharmaceutical compositions and consists in the fact that in a reactor with a water jacket in a mixture of distilled water and a water-retaining agent heated to a temperature of 50-60 ° C, the gel is dissolved with stirring until a homogeneous homogeneous mass is formed after which a preservative and a stabilizer are introduced into the reactor, a part of the obtained base is added to the calculated amount of one or more active substances previously ground in a colloid mill, and they are mixed to a homogeneous mass, which is then returned to the reactor and mixed with the rest of the base until a homogeneous mass is formed.
- the second variant of the method allows you to get the fourth version of the pharmaceutical composition for the treatment of burns and consists in the fact that with the additional inclusion in any of the four compositions of the active substances of chloramphenicol in an amount of 1.0 - 5.0 wt.% And succinic acid in an amount of 2.0 10.0 wt.%, They are dissolved in water heated to 7O 0 C in another reactor with a water jacket, and then the resulting solution is mixed with a part of the base containing xymedon.
- the essence of the proposed invention lies in the fact that on the basis of the agent known for the treatment of burns - xymedon, a number of compositions have been created in the form of a new dosage form - a gel, the most favorable form for treating burns.
- the technical result in this invention is achieved not only by using the main active substance xymedon, but also by synergism and prolonged action of its components.
- Xymedon by its chemical nature, is an organic base.
- the formation of more hydrophilic and ionic structures occurs, which can radically change not only the interaction of xymedon with other components of the pharmaceutical composition, but also affect the healing process in different ways.
- the change in the hydrophilic-lipophilic ratio in the xymedon molecule occurs under the influence of the pH of the medium, the presence of other active substances or metal ions.
- One of the methods for more efficient delivery of a drug substance - Xymedon - is its capture by a structured network of ionized biopolymers in salt form (sodium salts).
- salt form sodium salts
- the formation of more reactive ionized forms of xymedon in the form of sodium salts which have a higher permeability to wound tissues. Due the adhesion of biopolymers with fixed xymedon complexes to the burn wound is also provided by the prolonged action of the active substance.
- the invention provides sodium salts of biopolymers — carboxymethyl cellulose (Na — CMC) and alginic acid (sodium alginate) as a gelling agent.
- Na-CMC and sodium alginates are known as biocompatible materials from natural polysaccharides that have a resolving effect and prevent the exudate from evaporating.
- the ability of these materials to absorb is based on their water and plasma solubility. They are hydrophilic, have a high adsorption capacity (up to 5000%), cause good adhesion to the wound, do not show toxicity and irritant effect, have good hemostatic properties.
- Na-CMC and Na alginate contribute to the stimulation of the granulation process in tissues and its epithelization.
- the use of Na-CMC and Na alginate as biocompatible coatings without a water base does not provide good mechanical strength of the coating and stability on a burn wound. (Shapovalov SG Modern wound coverings in combustology. “FAPMindex-Practice” issue 8,2005, pp. 38-46.)
- Na-CMC and Na alginate perform the following functions :
- gel formation occurs due to the formation of fusion zones, or connecting zones, between segments of a polymer chain with regularly repeating structures under conditions conducive to such an association of chains ( ⁇ lpis W, ⁇ Furthermorembough Vintage Vintage Vintages & ff f adopted cultivated products, ⁇ etc.
- fusion zones or connecting zones, between segments of a polymer chain with regularly repeating structures under conditions conducive to such an association of chains
- alginate gels In alginate gels, neighboring nearby polysaccharide chains form fusion zones due to hydrogen bridges between carboxylic groups, and the association of the chains occurs due to the formation of multiple bonds with positively charged ions or polar medicinal substances of small sizes, which are located between the alginate molecules, like eggs in a package ("packaging structure for eggs” - "egg - boh structure” (Yu.S. Khotimchenko, VV Kovalev, OV Savchenko, OA Ziganshina Physico-chemical properties, physiological activity and use of alginates - brown algae polysaccharides. Sea Biology. 2001, Volume 27, N ° 3, p. 151- 162.)).
- the use of a mixture of sodium salts of biopolymers enhances the prolonged action of xymedon due to the formation of a cellular structure of polymer networks that can more strongly capture xymedon molecules or ionic complexes.
- the jointly formed structure allows for a lower concentration of polymers to provide the necessary viscosity of the composition and is a trap for microorganisms.
- the gelling agent is present in the composition in an effective amount.
- an amount less than the lower limit does not provide sufficient viscosity of the composition, which does not allow fixing it on a burn wound
- an amount greater than the upper limit causes technological difficulties in the manufacture of the composition, namely, it is difficult to mix the solution and packaging of the finished product.
- the prolonged effect of the composition is also enhanced when used as a water-retaining substance - glycerol.
- glycerin causes the softening of burnt tissues, their swelling, which increases the permeability of xymedon through wound tissue.
- Glycerin unlike most water-retaining agents, for example, urea, glycols, is a chemically indifferent substance with respect to xymedon.
- Glycerin is present in the composition in an amount of 20.0-30.0 wt.%. When its content is less than 20.0 wt.%, The ability of the composition to retain moisture is reduced. With a content of more than 30 wt.%, The water-retaining effect does not increase.
- nipagin was used as a stabilizer
- potassium sorbate or sorbi as a preservative new acid. Sorbic acid is effective in slightly acidic environments (pH ⁇
- the second embodiment of the pharmaceutical composition in addition to xymedon, contains the active substance silver nitrate.
- the effect of silver nitrate as a bactericidal, antiseptic, astringent and cauterizing agent is known (State Register of Medicines).
- silver ions are reduced to a zero-valence state (colloidal silver), stabilized in the matrix.
- the formation of oxidized forms of polysaccharides during the reduction of silver ions contributes to the further process of their reduction.
- silver nitrate forms insoluble precipitates. These compounds in the polymer matrix in the presence of oxidized forms of polysaccharides and the starting polysaccharides themselves also form clusters of silver nanoparticles.
- the introduction of silver nitrate in the composition with xymedon leads to a significant change in the pharmacological properties of the gel.
- Colloidal silver nanoparticles exhibit a wider spectrum of action, in particular, in addition to the well-known bactericidal properties, they are used as immunomodulators, exhibit antiviral effect against the vaccine virus (See Bogdanchikova HE, Kurbatov AB, Tretyakov BB, Rodionov P. P.
- a third embodiment of the pharmaceutical composition further comprises silver nitrate and sodium sulfacyl.
- a pharmaceutical composition containing xymedon, a gelling agent (Na-CMC, sodium alginates, or mixtures of the named biopolymers), glycerin, water, preservatives and stabilizers, silver nitrate and a water-soluble sulfacyl- sodium from the group of sulfanilamide preparations allows not only to expand the spectrum of antimicrobial action, but also determines new properties of the composition.
- Sodium p-aminobenzenesulfonylacetamide hydrate (sulfacyl sodium) in an aqueous medium forms a protective monomolecular silver sulfacyl film on the surface of the wound.
- Silver sulfacyl has low solubility, does not interact with xymedon, glycerin and other components of the composition with the formation of new substances. Drug delivery to a burn wound occurs in a polymer matrix. Silver sulfacyl is captured either by the three-dimensional network structure of Na-CMC, or the substance enters the cells of the spatial structure of sodium alginates.
- Silver salts of sulfa drugs are known, such as sulfazine silver salt, argosulfan, sulfargin and used to treat burn wounds.
- Cream “Apgocylfan” - 0.02% silver sulfathiazole; composition: sulfatiazole silver salt - 20 mg, base - up to 1 g (liquid paraffin, cetostearyl alcohol, petroleum jelly, sodium lauryl sulfate, glycerin, preservatives, water).
- Preparations of silver salts of sulfanilamides are topical antibacterial drugs that help heal wounds from infection, relieve pain and burning in the wound, shorten the treatment time and preparation time of the wound for skin transplantation, and in many cases lead to an improvement in the condition that eliminates the need for transplantation (“Register medicines of Russia - an encyclopedia of medicines.
- the mechanism of the antimicrobial action of sulfanilamide preparations - inhibition of the growth and reproduction of microbes - is associated with competitive antagonism with PABA (para-aminobenzoic acid) and inhibition of dihydropteroate syntherase, which leads to disruption of the synthesis of dihydrofolic acid and, ultimately, its active metabolite - tetrahydrofol necessary for the synthesis of purines and pyrimidines of the microbial cell.
- Silver ions present in the preparation enhance the antibacterial effect of sulfonamide several tens of times — they inhibit the growth and division of bacteria by binding to microbial cell DNA. In addition, silver ions weaken the sensitizing properties of sulfonamide.
- Sulfacyl sodium in the presence of silver nitrate also has all of the aforementioned set of beneficial properties.
- xymedone which has a different mechanism of action on the body (i.e., pharmacologically compatible and non-competitive)
- components of an aqueous pharmaceutical composition Na-CMC, sodium alginate, glycerin, preservatives
- sodium sulfacyl, its silver salt and silver ions exhibit more effective wound healing, immunomodulatory and weaken the sensitizing properties of sulfonamides.
- a fourth embodiment of the pharmaceutical composition further comprises the active substances chloramphenicol and succinic acid.
- a pharmaceutical composition containing xymedon, a gelling agent (Na-CMC, sodium alginates, or mixtures of the aforementioned biopolymers), glycerin, water, preservatives and stabilizers, chloramphenicol and succinic acid allows not only to expand the spectrum of antimicrobial action, but also determines new properties of the composition.
- Chloramphenicol has an antimicrobial, antibacterial (bacteriostatic) effect. It is effective against many gram- negative and gram-negative bacteria.
- Succinic acid has a positive effect on oxygenation processes, stabilizes the structure and functional activity of mitochondria, is an inducer of the synthesis of certain proteins, and affects ion exchange in the cell.
- Succinic acid inhibits inflammatory processes (normalizes the content of histamine and serotonin), increases microcirculation in organs and tissues, enhances the effect of other drugs. The use of succinic acid with other drugs allows you to get a more pronounced therapeutic effect.
- chloramphenicol and succinic acid in addition to the active substance xymedon allows to obtain a highly effective gel regenerating, wound healing, microcirculation improving agent for treating an infected burn wound.
- the active substances - xymedon, silver nitrate, sodium sulfacyl, levomycetin and succinic acid are present in pharmaceutical compositions in an effective amount.
- An amount less than the specified does not give an effect, an amount greater than the specified is not advisable, since an increase in the effect does not occur.
- Table 1 presents examples of formulations of the claimed variants of pharmaceutical compositions for the treatment of burns.
- the amount of ingredients is given per 100 wt.% Of the composition.
- nipagin is used as a stabilizer in an amount of 0.4-1.0 g per 10Or of the composition.
- Example 1 The composition, wt.%:
- a gelling agent — sodium carboxymethylcellulose — is dissolved with stirring until a homogeneous mass is formed, and then into the reactor a preservative - potassium sorbate and a stabilizer - nipagin are introduced, a part of the obtained base is added to the calculated amount of one or more active substances - xymedon and silver nitrate, previously ground in a colloid mill, and mixed to a homogeneous mass, which is then returned to the reactor and mixed with the remaining part of the base until a homogeneous mass is formed.
- Examples 2-4, 7-10, 12-14 are carried out in accordance with the method described in example 1.
- the composition of the compositions see table 1.
- Example 5. Composition of the composition, wt.%: Xymedon - 5.0; chloramphenicol - 1.0; succinic acid - 2.7; glycerin - ⁇ 30.0; sodium carboxymethyl cellulose - 2.0; stabilizer (nipagin) - 1.0; preservative (sorbic acid) - 0.2; distilled water - the rest is up to 100.
- a method of obtaining a composition In a reactor with a water jacket in a mixture of distilled water and glycerin heated to a temperature of 50-60 ° C, a gelling agent — sodium carboxymethylcellulose — is dissolved with stirring until a homogeneous mass is formed, after which a preservative (sorbic acid) and a stabilizer are introduced into the reactor ( nipagin), simultaneously in a second reactor with a water jacket heated to 7O 0 c water was dissolved active substance chloramphenicol and succinic acid, base portion of the first reactor and the resulting solution from the second reactor is added to calcd annomu quantity of xymedon, previously comminuted in a colloidal mill and mixed to a homogeneous mass which is then introduced into the first reactor and mixed with the remaining portion of the base until smooth. Examples 6, 11, 15, 16 are carried out in accordance with the method variant described in example 5.
- the composition of the compositions see table 1.
- test substance (drug) was used at a dose of 10 mg / cm 2.
- test substance medical vaseline oil was used as a control substance.
- Burns of SB grade are usually accompanied by the formation of a thick dense primary burn scab of a brown hue.
- the scab was rejected along the edges of the wound surface, weak epithelization of the edges of the wound was observed, in contrast to animals of the control group, where no such dynamics were observed.
- all animals showed early rejection of the scab crusts, the formation of wound exudate.
- the created pharmaceutical composition according to this invention made in the form of a gel, meets all the biomedical requirements for the creation of modern medicines for the treatment of burns and wounds: the gel is transparent, which allows you to observe the wound; contains medicinal substances with antibacterial and reparative properties; the gel is elastic, which makes it possible to use it for surfaces with complex relief; creates an optimal microenvironment for wound healing; possesses high adsorption ability against wound exudate; prevents the penetration of microorganisms; has sufficient permeability to gases (oxygen, carbon dioxide), necessary for active reparative processes; has no local irritant and allergic effects; resistant to sterilization; easily removed from the surface of the skin; convenient to use for medical personnel and the patient.
- gases oxygen, carbon dioxide
- the pharmaceutical composition of this invention made in the form of a gel, can be used as a highly effective regenerative, wound healing, microcirculation enhancing agent for the treatment of infected burn wounds, bedsores, erosion, trophic ulcers and other skin and mucous membrane injuries.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dermatology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Dispersion Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Medicinal Preparation (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200731456T SI2030612T1 (sl) | 2006-06-19 | 2007-06-15 | Farmacevtski sestavek za zdravljenje opeklin in postopek za njegovo izdelavo |
EP07794054.2A EP2030612B1 (en) | 2006-06-19 | 2007-06-15 | Pharmaceutical composition for treating burns and a method for the production thereof |
EA200802229A EA014391B1 (ru) | 2006-06-19 | 2007-06-15 | Фармацевтическая композиция для лечения ожогов и способ ее получения |
CN200780022829XA CN101472560B (zh) | 2006-06-19 | 2007-06-15 | 治疗烧伤的药物组合物及其制备方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2006121794 | 2006-06-19 | ||
RU2006121794/15A RU2317811C1 (ru) | 2006-06-19 | 2006-06-19 | Фармацевтическая композиция для лечения ожогов (варианты) и способ ее получения (варианты) |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008002196A1 true WO2008002196A1 (fr) | 2008-01-03 |
Family
ID=38845852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/RU2007/000327 WO2008002196A1 (fr) | 2006-06-19 | 2007-06-15 | Composition pharmaceutique pour traiter des brûlures (et variantes) et procédés de fabrication (et variantes) |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2030612B1 (ru) |
CN (1) | CN101472560B (ru) |
EA (1) | EA014391B1 (ru) |
GE (1) | GEP20115348B (ru) |
RU (1) | RU2317811C1 (ru) |
SI (1) | SI2030612T1 (ru) |
UA (1) | UA93995C2 (ru) |
WO (1) | WO2008002196A1 (ru) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9054372B2 (en) | 2008-08-01 | 2015-06-09 | Seeo, Inc. | High capacity anodes |
CN110755673A (zh) * | 2019-11-07 | 2020-02-07 | 广州市福托康生物科技有限公司 | 一种羧甲基纤维素钠液体敷料及其制作方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2370265C1 (ru) * | 2008-03-04 | 2009-10-20 | Лев Давидович Раснецов | Гель, обладающий противовоспалительным и противоаллергическим действием |
CN102614298B (zh) * | 2012-04-26 | 2013-10-30 | 肖连元 | 一种烫伤喷剂及其制备方法 |
RU2506086C1 (ru) * | 2012-09-07 | 2014-02-10 | Илья Александрович Марков | Глазные капли, обладающие противовоспалительным и антибактериальным действием |
RU2510264C1 (ru) * | 2012-12-21 | 2014-03-27 | Станислав Анатольевич Кедик | Офтальмологический препарат в виде глазных капель, содержащий разветвленные полигексаметиленгуанидины |
RU2614961C1 (ru) * | 2015-12-31 | 2017-03-31 | Виктория Александровна Чумакова | Способ изготовления фармацевтической композиции с фексофенадином, обладающей противоаллергическим и противовоспалительным действием |
CN108456174B (zh) * | 2017-02-21 | 2020-06-16 | 清华大学 | 含二氢嘧啶酮结构的单体及其聚合物以及它们的应用 |
RU2706722C2 (ru) * | 2017-10-16 | 2019-11-20 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кировский государственный медицинский университет" Министерства здравоохранения Российской Федерации (ФГБОУ ВО Кировский ГМУ Минздрава России) | Способ лечения кожных заболеваний, ожогов, поверхностных и глубоких ран |
RU2720627C1 (ru) * | 2019-09-09 | 2020-05-12 | Общество с ограниченной ответственностью "Химико-фармацевтические технологии" (ООО "ХимФармТех") | Гемостатическая композиция с репаративными свойствами (варианты) |
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- 2006-06-19 RU RU2006121794/15A patent/RU2317811C1/ru active
-
2007
- 2007-06-15 SI SI200731456T patent/SI2030612T1/sl unknown
- 2007-06-15 CN CN200780022829XA patent/CN101472560B/zh not_active Expired - Fee Related
- 2007-06-15 UA UAA200900301A patent/UA93995C2/ru unknown
- 2007-06-15 GE GEAP200711065A patent/GEP20115348B/en unknown
- 2007-06-15 EA EA200802229A patent/EA014391B1/ru not_active IP Right Cessation
- 2007-06-15 WO PCT/RU2007/000327 patent/WO2008002196A1/ru active Application Filing
- 2007-06-15 EP EP07794054.2A patent/EP2030612B1/en not_active Not-in-force
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9054372B2 (en) | 2008-08-01 | 2015-06-09 | Seeo, Inc. | High capacity anodes |
CN110755673A (zh) * | 2019-11-07 | 2020-02-07 | 广州市福托康生物科技有限公司 | 一种羧甲基纤维素钠液体敷料及其制作方法 |
Also Published As
Publication number | Publication date |
---|---|
GEP20115348B (en) | 2011-12-12 |
EA014391B1 (ru) | 2010-10-29 |
EP2030612A4 (en) | 2013-03-20 |
CN101472560B (zh) | 2011-03-23 |
CN101472560A (zh) | 2009-07-01 |
EA200802229A1 (ru) | 2009-06-30 |
SI2030612T1 (sl) | 2014-06-30 |
RU2317811C1 (ru) | 2008-02-27 |
UA93995C2 (ru) | 2011-03-25 |
EP2030612A1 (en) | 2009-03-04 |
EP2030612B1 (en) | 2014-04-23 |
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