WO2003018035A1 - Pharmaceutical preparation for treating wounds - Google Patents
Pharmaceutical preparation for treating wounds Download PDFInfo
- Publication number
- WO2003018035A1 WO2003018035A1 PCT/DE2002/002910 DE0202910W WO03018035A1 WO 2003018035 A1 WO2003018035 A1 WO 2003018035A1 DE 0202910 W DE0202910 W DE 0202910W WO 03018035 A1 WO03018035 A1 WO 03018035A1
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- WO
- WIPO (PCT)
- Prior art keywords
- component
- preparation according
- solution
- per liter
- growth factor
- 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
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/24—Heavy metals; Compounds thereof
- A61K33/26—Iron; Compounds thereof
-
- 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
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
-
- 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
- A61K33/30—Zinc; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/18—Growth factors; Growth regulators
- A61K38/1858—Platelet-derived growth factor [PDGF]
Definitions
- the invention relates to a pharmaceutical preparation or to a pharmaceutical preparation for the treatment of wounds.
- a preparation which contains as an active ingredient a growth factor produced on the basis of platelets, which is also known to experts under the name PDGF (platelet derived grwoth factor) (US Pat. No. 5,457,093).
- PDGF platelet derived grwoth factor
- Regranex namely as a gel with 0.01% (weight percent) active ingredient.
- the object of the present invention is to show a pharmaceutical preparation which enables a substantially improved care of wounds, including acute or chronic wounds.
- a pharmaceutical preparation is designed according to claim 1.
- the “growth factor PDGF” is generally a growth factor produced on the basis of platelets.
- the preparation according to the invention consists, for example, of a mixture of at least a first component which contains the growth factor PDGF and a second component in the form of an aqueous solution which, in addition to distilled water, contains at least zinc, iron and a proportion of acid, preferably sulfuric acid.
- the proportion of acid in the second component is chosen such that the latter has a pH between 2.5 and 3.5, preferably a pH of 2.8.
- the proportion or mixture ratio between the first component and the second component is selected such that the combination of the two components results in a pH value which is in any case in the acidic range, ie less than 7.
- the second component is produced in such a way that this component in aqueous solution contains 10-100 mg Zn and 6.5-65 mg Fe per liter of distilled water, the proportion of sulfuric acid (H 2 S0 4 95-97% - ig) is selected so that the pH value is between 2.5 and 3.5, preferably the pH value of 2.8.
- ZnCI 2 and FeS0 4 are particularly suitable as raw or starting materials, namely about 20-209 mg ZnCI and 32-325 mg FeS0 4 per liter of solution.
- a possible composition for the second component then contains per liter
- the pharmaceutical composition according to the invention has a significantly improved healing effect, both in comparison to the 0.01% gel "Regranex" containing the growth factor and in particular also in comparison to wound healing without using the Gel and the composition according to the invention
- Treatment with the preparation according to the invention resulted in 100% healing in almost all experimental animals
- Experiments were carried out on superficial wounds, ie on wounds with a depth of up to 0.3 mm and with five wounds per experimental animal. The results of the tests are shown in the tables below in:
- Table 3 wound healing when treating the wounds with the preparation according to the invention in the aforementioned special composition of the second component, which contains 30 mg Zn and 20 mg Fe per liter of solution.
- the numbers in the tables indicate the number of wounds healed in relation to the total number of five wounds on an animal.
- the percentages relate to the degree of wound healing, with complete healing being indicated in 100%.
- the results of Tables 1-3 are shown again in the graphs of FIGS. 1-3, namely the duration of wound healing in days and the degree of healing in%, up to a 100% healing of the wounds, in FIG. 1 for treatment of wounds treated neither with the product “Regranex” nor with the preparation according to the invention,
- the increased effect of the composition according to the invention is obviously due to the fact that the acid in connection with the iron of the second component has bacterostatic properties, i.e. this creates a milieu that prevents the growth of germs and bacteria and has a repulsive effect on them, so that inflammation caused by germs entering the wound and developing there is effectively prevented.
- the acidic environment based on the second component optimizes the wound environment as a whole and stimulates the metabolism in the surrounding tissue, so that the effects of the growth factor PDGF can develop fully.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Immunology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Gastroenterology & Hepatology (AREA)
- Zoology (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Pharmazeutisches Präparat zur Behandlung von Wunden Pharmaceutical preparation for the treatment of wounds
Die Erfindung bezieht sich auf eine pharmazeutische Zubereitung bzw. auf ein pharmazeutisches Präparat zur Behandung von Wunden gemäß Oberbegriff Patentanspruch 1.The invention relates to a pharmaceutical preparation or to a pharmaceutical preparation for the treatment of wounds.
Zur Versorgung von Wunden, d.h. zur Förderung der Wundheilung ist ein Präparat bekannt, welches als Wirkstoff einen auf Basis von Blutplättchen hergestellten Wachstumsfaktor enthält, der Fachleuten auch unter der Bezeichnung PDGF (platelet derived grwoth factor) bekannt ist (US 54 57 093). Dieses Präparat ist unter der Bezeichnung „Regranex" auf dem Markt erhältlich, und zwar als Gel mit 0,01 % (Gewichtsprozent) Wirkstoff.To treat wounds, i.e. To promote wound healing, a preparation is known which contains as an active ingredient a growth factor produced on the basis of platelets, which is also known to experts under the name PDGF (platelet derived grwoth factor) (US Pat. No. 5,457,093). This preparation is available on the market under the name "Regranex", namely as a gel with 0.01% (weight percent) active ingredient.
Aufgabe der vorliegenden Erfindung ist es, ein pharmazeutisches Präparat aufzuzeigen, das eine wesentlich verbesserte Versorgung von Wunden, auch von akuten oder chronischen Wunden ermöglicht. Zur Lösung dieser Aufgabe ist ein pharmazeutisches Präparat entsprechend dem Patentanspruch 1 ausgebildet.The object of the present invention is to show a pharmaceutical preparation which enables a substantially improved care of wounds, including acute or chronic wounds. To achieve this object, a pharmaceutical preparation is designed according to claim 1.
Der „Wachstumsfaktor PDGF" ist im Sinne der Erfindung generell ein auf Basis von Blutplättchen hergestellter Wachstumsfaktor.For the purposes of the invention, the “growth factor PDGF” is generally a growth factor produced on the basis of platelets.
Das erfindungsgemäße Präparat besteht beispielsweise in Mischung aus wenigstens einer ersten Komponente, die den Wachstumsfaktor PDGF enthält, sowie aus einer zweiten Komponente in Form einer wässrigen Lösung, die neben destilliertem Wasser wenigstens Zink, Eisen und einen Anteil an Säure, vorzugsweise Schwefelsäure enthält. Der Anteil an Säure ist bei der zweiten Komponente so gewählt, dass letztere einen PH-Wert zwischen 2,5 bis 3,5, vorzugsweise einen PH-Wert von 2,8 aufweist. Das Anteils- oder Mischungsverhältnis zwischen der ersten Komponente und der zweiten Komponente ist so gewählt, dass die Kombination beider Komponenten einen PH-Wert ergibt, der auf jeden Fall im sauren Bereich liegt, d.h. kleiner ist als 7.The preparation according to the invention consists, for example, of a mixture of at least a first component which contains the growth factor PDGF and a second component in the form of an aqueous solution which, in addition to distilled water, contains at least zinc, iron and a proportion of acid, preferably sulfuric acid. The proportion of acid in the second component is chosen such that the latter has a pH between 2.5 and 3.5, preferably a pH of 2.8. The proportion or mixture ratio between the first component and the second component is selected such that the combination of the two components results in a pH value which is in any case in the acidic range, ie less than 7.
Die Herstellung der zweiten Komponente erfolgt in der Weise, dass diese Komponente in wässriger Lösung je Liter destilliertes Wasser 10 - 100 mg Zn und 6,5 - 65 mg Fe enthält, wobei der Anteil an Schwefelsäure (H2S04 95-97%-ig) so gewählt ist, dass sich der PH-Wert zwischen 2,5 und 3,5, vorzugsweise der PH-Wert von 2,8 ergibt.The second component is produced in such a way that this component in aqueous solution contains 10-100 mg Zn and 6.5-65 mg Fe per liter of distilled water, the proportion of sulfuric acid (H 2 S0 4 95-97% - ig) is selected so that the pH value is between 2.5 and 3.5, preferably the pH value of 2.8.
Als Roh- oder Ausgangsmaterialien eignen sich insbesondere ZnCI2 und FeS04, und zwar dann je Liter Lösung etwa 20 - 209 mg ZnCI und 32 - 325 mg FeS04.ZnCI 2 and FeS0 4 are particularly suitable as raw or starting materials, namely about 20-209 mg ZnCI and 32-325 mg FeS0 4 per liter of solution.
Eine mögliche Zusammensetzung für die zweite Komponente enthält dann pro LiterA possible composition for the second component then contains per liter
Lösung:Solution:
980 g aqua bidestillata DAB 10980 g aqua bidestillata DAB 10
0,097 g FeS04 0.097 g FeS0 4
0,063 g ZnCl2 0.063 g ZnCl 2
Rest Schwefelsäure (H2S04 95 - 97%ig) in einem Anteil bis ein PH-Wert von 2,8 erreicht ist.Remaining sulfuric acid (H 2 S0 4 95 - 97%) in a proportion until a pH value of 2.8 is reached.
Wie in Tierversuchen bei Schweinen nachgewiesen werden konnte, weist die erfindungsgemäße pharmazeutische Zusammensetzung eine wesentlich verbesserte Heilwirkung auf, und zwar sowohl im Vergleich zu dem den Wachstumsfaktor enthaltenden 0,01 %gen Gel „Regranex" sowie insbesondere auch im Vergleich zu einer Wundheilung ohne Anwendung des Gel und der erfindungsgemäßen Zusammensetzung. Bereits nach dem vierten Tag ergab sich bei Behandlung mit den erfindungsgemäßen Präparat eine 100% Heilung bei nahezu allen Versuchstieren. Die Versuche wurden an oberflächlichen Wunden, d.h. an Wunden mit einer Tiefe bis zu 0,3 mm und mit jeweils fünf Wunden je Versuchstier durchgeführt. Die bei den Versuchen ermittelten Ergebnisse sind in den nachstehenden Tabellen wiedergegeben und zwar in:As could be demonstrated in animal experiments in pigs, the pharmaceutical composition according to the invention has a significantly improved healing effect, both in comparison to the 0.01% gel "Regranex" containing the growth factor and in particular also in comparison to wound healing without using the Gel and the composition according to the invention Already after the fourth day, treatment with the preparation according to the invention resulted in 100% healing in almost all experimental animals Experiments were carried out on superficial wounds, ie on wounds with a depth of up to 0.3 mm and with five wounds per experimental animal. The results of the tests are shown in the tables below in:
Tabelle 1 Wundheilung bei weder mit dem Wachstumsfaktor noch mit der erfindungsgemäßen Zusammensetzung behandelten Wunden,Table 1 wound healing in wounds treated neither with the growth factor nor with the composition according to the invention,
Tabelle 2 Wundheilung bei Behandlung der Wunden mit dem Produkt „Regranex" (Gel mit Wachstumsfaktor PDGF 0,01 %) ,Table 2 wound healing when treating the wounds with the product "Regranex" (gel with growth factor PDGF 0.01%),
Tabelle 3 Wundheilung bei Behandlung der Wunden mit dem erfindungsgemäßen Präparat in der vorgenannten speziellen Zusammensetzung der zweiten Komponente, die je Liter Lösung 30 mg Zn und 20 mg Fe enthält.Table 3 wound healing when treating the wounds with the preparation according to the invention in the aforementioned special composition of the second component, which contains 30 mg Zn and 20 mg Fe per liter of solution.
Tabelle 1:Table 1:
Tabelle 2: Table 2:
Die Zahlen in den Tabellen bezeichnen jeweils die Anzahl der geheilten Wunden bezogen auf die Gesamtzahl Fünf der Wunden an einem Tier. Die Prozentangaben beziehen sich auf den Grad der Wundheilung, wobei die vollständige Heilung in 100% angegeben ist. Die Ergebnisse der Tabellen 1 - 3 sind nochmals in den Graphiken der Figuren 1 - 3 dargestellt, und zwar die Dauer der Wundheilung in Tagen und der Heilungsgrad in %, und zwar bis zu einem 100%igen Ausheilen der Wunden, - in der Fig. 1 für eine Behandlung weder mit dem Produkt „Regranex", noch mit dem erfindungsgemäßen Präparat behandelten Wunden,The numbers in the tables indicate the number of wounds healed in relation to the total number of five wounds on an animal. The percentages relate to the degree of wound healing, with complete healing being indicated in 100%. The results of Tables 1-3 are shown again in the graphs of FIGS. 1-3, namely the duration of wound healing in days and the degree of healing in%, up to a 100% healing of the wounds, in FIG. 1 for treatment of wounds treated neither with the product “Regranex” nor with the preparation according to the invention,
- in der Fig. 2 für die Behandlung der Wunden nur mit dem Produkt „Regranex" und- In Fig. 2 for the treatment of wounds only with the product "Regranex" and
- in der Fig. 3 für die Behandlung mit der erfindungsgemäßen Zusammensetzung.- In Fig. 3 for treatment with the composition according to the invention.
Versuche haben auch gezeigt, dass der Behandlungserfolg noch gesteigert werden kann, wenn die Wunden nach dem Aufbringen der erfindungsgemäßen Zusammensetzung unter Verwendung eines geeigneten Verbandmaterials und der zweiten Komponente der erfindungsgemäßen Zusammensetzung in einem feuchten, sauren Milieu gehalten werden.Experiments have also shown that the success of treatment can be increased if the wounds are kept in a moist, acidic environment after application of the composition according to the invention using a suitable dressing material and the second component of the composition according to the invention.
Die gesteigerte Wirkung der erfindungsgemäßen Zusammensetzung ist offensichtlich darauf zurückzuführen, dass die Säure in Verbindung mit dem Eisen der zweiten Komponente bakterostatische Eigenschaften hat, d.h. hierdurch ein Milieu geschaffen wird, welches das Wachstum von Keimen und Bakterien unterbindet und auf diese abstossend wirkt, so dass Entzündungen durch in die Wunde eintretende und sich dort entwickelnde Keime wirksam verhindert sind. Ganz entscheidend ist aber, dass durch das auf der zweiten Komponente basierende saure Milieu das Wundmilieu insgesamt optimiert und der Stoffwechsel im umgebenden Gewebe angeregt wird, so dass sich die Wirkungen des Wachstumsfaktors PDGF voll entfalten können.The increased effect of the composition according to the invention is obviously due to the fact that the acid in connection with the iron of the second component has bacterostatic properties, i.e. this creates a milieu that prevents the growth of germs and bacteria and has a repulsive effect on them, so that inflammation caused by germs entering the wound and developing there is effectively prevented. However, it is very important that the acidic environment based on the second component optimizes the wound environment as a whole and stimulates the metabolism in the surrounding tissue, so that the effects of the growth factor PDGF can develop fully.
Die Erfindung wurde voranstehend an Ausführungsbeispielen beschrieben. Es versteht sich, dass Änderungen und Abwandlungen möglich sind, ohne dass dadurch der der Erfindung zugrundeliegende Erfindungsgedanken verlassen wird. The invention has been described above using exemplary embodiments. It goes without saying that changes and modifications are possible without thereby departing from the inventive idea on which the invention is based.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10140623.1 | 2001-08-18 | ||
| DE2001140623 DE10140623A1 (en) | 2001-08-18 | 2001-08-18 | Pharmaceutical preparation for the treatment of wounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003018035A1 true WO2003018035A1 (en) | 2003-03-06 |
Family
ID=7695918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2002/002910 Ceased WO2003018035A1 (en) | 2001-08-18 | 2002-08-08 | Pharmaceutical preparation for treating wounds |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE10140623A1 (en) |
| WO (1) | WO2003018035A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2891149A1 (en) * | 2005-09-26 | 2007-03-30 | Biodex Sarl | PHARMACEUTICAL COMPOSITION WITH A HEALING ACTION COMPRISING A SOLUBLE DEXTRANE DERIVATIVE AND A PLATELET DERIVED GROWTH FACTOR. |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007044202A1 (en) | 2007-09-17 | 2009-03-19 | Deckner, Peter G., Dr. med. | Composition, useful for wound treatment, preferably poor or non-healing open wounds in humans, comprises hyaluronic acid, urea, and colloidal silver |
| DE102007044583A1 (en) | 2007-09-19 | 2009-04-09 | Deckner, Peter G., Dr. med. | Composition, useful for wound treatment in veterinary field, as spray in button probe, and as ointment or cream, comprises hyaluronic acid, urea and colloidal silver |
| DE102007044582A1 (en) | 2007-09-19 | 2009-04-09 | Deckner, Peter G., Dr. med. | Composition for wound treatment in the human area |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5457093A (en) * | 1987-09-18 | 1995-10-10 | Ethicon, Inc. | Gel formulations containing growth factors |
| WO1997012601A2 (en) * | 1995-10-06 | 1997-04-10 | Ethicon, Inc. | Gel formulations containing growth factors |
-
2001
- 2001-08-18 DE DE2001140623 patent/DE10140623A1/en not_active Withdrawn
-
2002
- 2002-08-08 WO PCT/DE2002/002910 patent/WO2003018035A1/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5457093A (en) * | 1987-09-18 | 1995-10-10 | Ethicon, Inc. | Gel formulations containing growth factors |
| WO1997012601A2 (en) * | 1995-10-06 | 1997-04-10 | Ethicon, Inc. | Gel formulations containing growth factors |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2891149A1 (en) * | 2005-09-26 | 2007-03-30 | Biodex Sarl | PHARMACEUTICAL COMPOSITION WITH A HEALING ACTION COMPRISING A SOLUBLE DEXTRANE DERIVATIVE AND A PLATELET DERIVED GROWTH FACTOR. |
| WO2007034321A3 (en) * | 2005-09-26 | 2007-10-04 | Biodex | Wound-healing pharmaceutical compositions comprising at least one soluble dextran and at least one platelet-derived growth factor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10140623A1 (en) | 2003-03-06 |
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