WO2001028571A1 - Preparations stables pour le traitement des escarres, des ulceres de la peau et des blessures - Google Patents
Preparations stables pour le traitement des escarres, des ulceres de la peau et des blessures Download PDFInfo
- Publication number
- WO2001028571A1 WO2001028571A1 PCT/JP2000/007335 JP0007335W WO0128571A1 WO 2001028571 A1 WO2001028571 A1 WO 2001028571A1 JP 0007335 W JP0007335 W JP 0007335W WO 0128571 A1 WO0128571 A1 WO 0128571A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gelatin
- iodine
- preparation
- preparation according
- formulation
- 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
Links
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
- A61K33/18—Iodine; Compounds thereof
-
- 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
- A61K47/26—Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharides; Derivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
-
- 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
- A61K47/56—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 an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
-
- 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
Definitions
- the present invention relates to a preparation for treating pressure ulcers / skin ulcers and wounds, and particularly to a preparation for treating pressure ulcers / skin ulcers and wounds which is useful for treating bedsores.
- sucrose and povidone are made into an ointment together with water, a buffer, and certain polysaccharides (shape preservatives) (Japanese Patent Publication No. 1-232210). Has been put to practical use.
- Japanese Patent Publication No. Hei 132-210 states that among the shape-preserving agents, albumin-gelatin has a low effective iodine residual ratio even if the pH is adjusted with a buffer solution, and the stability is rather deteriorated.
- albumin-gelatin has a low effective iodine residual ratio even if the pH is adjusted with a buffer solution, and the stability is rather deteriorated.
- what is impractical is described as a comparative example with specific data.
- An object of the present invention is to solve the above-mentioned problems of the prior art, and in particular, to improve the stability and biocompatibility of various formulations without changing the main auxiliary components.
- the present invention is a preparation for treating pressure ulcers / skin ulcers and wounds, which comprises gelatin, saccharides, and chondhole as essential components whose iodine consumption measured at pH 4.5 is 15 mgZg or less.
- the gelatin used in the present invention has an iodine consumption of not more than 15 mgZg as measured by PH4.5. Since ordinary gelatin has the above-mentioned iodine consumption considerably exceeding 15 mg Zg, it is necessary to reduce the iodine consumption beforehand when these are used.
- the means can be appropriately selected depending on the gelatin used. For example, there are a method of chemically treating gelatin with sodium hypochlorite, hydrogen peroxide, sodium borohydride, and the like, and a method of hydrolyzing with an acid or an enzyme to reduce the molecular weight.
- gelatins and the like obtained from the tissues of young animals such as fetuses satisfy the above-mentioned iodine consumption, and these can be selected and used in the present invention.
- Methods for hydrolyzing gelatin with an acid or an enzyme to reduce the molecular weight are well known.
- a hydrochloric acid decomposition method of decomposing in hydrochloric acid or an enzymatic decomposition method of decomposing with protease is well known.
- An enzymatic decomposition method of decomposing with pepsin is preferable (Japanese Patent Application No. 11-22810 by the same applicant). No. 5).
- the low molecular weight gelatin has a weight-average molecular weight of at least about 1,000,000, preferably about 20,000,000 or more, and more preferably about 20,000,000 to about 3,000,000. The one with 0.0000 is particularly preferred.
- Pepsin which is used to break down (degrade) gelatin, is available in the industry. Any pepsin may be used. For example, there is a product derived from the stomach mucous membrane commercially available from Sigma. The decomposition is preferably performed under the following conditions.
- the concentration of pepsin relative to gelatin is usually such that the protein is hydrolyzed in the art using proteases, for example, the weight ratio of substrate to enzyme is 10, 1000: 1-10. 0: 1, preferably 5, 000: 1 to 500: 1, more preferably 1, 0000: 1.
- the solution is a 0.05-0.5 molar acetic acid or hydrochloric acid solution, preferably a 0.1-0.3 molar hydrochloric acid solution.
- the gelatin concentration is from 0.01 to several 10%, more preferably from 5 to 30%.
- the decomposition temperature is preferably 37 to 60 ° C, and the decomposition time is preferably 1 to 12 hours, more preferably 2 hours to 8 hours.
- the weight-average molecular weight of the pepsin-treated gelatin is more than 20,000, preferably more than 20,000 and up to 30,000.
- This pepsin-treated gelatin has an allergenicity of 1/5 or less of the starting gelatin, and has a gelling ability.
- the pH of the preparation falls within a certain range, the fluctuation of pH is small, and the active ingredient composed of sugar and eodhol is also stabilized.
- a formulation obtained by kneading sucrose and a povidonodo formulation has a very strong pH at around 1, and both the iodine and sucrose as active ingredients disappear quickly. Even if the pH is adjusted by adding a pH regulator, the pH rapidly decreases with time, and iodine and sucrose disappear.
- the pH of the preparation was 4 to 6, and it was found that the pH was stable for a long period of time and that the contents of iodine and sucrose hardly decreased.
- Gelatin used in the present invention preferably has an iodine consumption at pH 4.5 of not more than 15 mgZg, and usually has an iodine consumption of 1 to 12 mgZg.
- non-reducing saccharides are desirable in order to stably maintain the effective iodine in the compounded hall.
- sucrose 'trehalose' gluconic acid 'sorbitol dextrin examples include povidone, which is a complex of iodine and polyvinylpyrrolidone, and a complex of iodine and polydextrose.
- the saccharide can usually contain 50 to 9 Ow / w%, but preferably 60 to 8 Ow / w%.
- the eaves hole can usually contain 0.5-1 Ow / w%, but preferably 1-6 w / w%.
- the gelatin of the present invention can usually contain 0.5 to 2 Ow / w%, but preferably 1 to 15 w / w%, more preferably 1.5 to 5.0 Ow / w%.
- the preparation of the present invention can be prepared in a substantially anhydrous state. As described above, it was found that the preparation of the present invention did not differ depending on the presence or absence of water.
- the preparation of the present invention may contain, if necessary, appropriate pharmaceutically acceptable additive components.
- These optional components include bases, additives, solvents and the like which are usually used in pharmacology.
- bases such as hydrophilic ointments and water-absorbing ointments
- water-soluble bases such as polyethylene glycol
- petroleum bases such as petrolatum, isopropyl myristate, liquid paraffin, and higher alcohols, and gum arabic , Alginic acid and its salts, etc.
- water-soluble polymers such as methylcellulose, ethylcellulose, carboxymethylcellulose, hydroxydipropylcellulose, hydroxydipropylmethylcellulose, polyacrylic acid, polyvinyl alcohol and salts thereof
- Emulsifiers such as poloxamer, polyoxyethylene alkyl ethers, polyoxyshethylene-hardened castor oils, polyoxyshylene sorbin fatty acid esters, sodium lauryl sulfate, quaternary ammonium
- the preparation of the present invention basically does not require any particular pH adjustment, if necessary, it can be adjusted to pH by using a pH adjusting agent such as hydrochloric acid / sodium hydroxide, hydrating power, sodium hydrogen carbonate and the like. Can also be adjusted. Furthermore, since the preparation of the present invention contains gelatin, the use of a cross-linking agent such as formaldehyde or glutaraldehyde or transglutaminase, which is an enzyme that cross-links proteins, as necessary, can disintegrate and effectively disintegrate the preparation. The release rate of the components can also be adjusted.
- the preparation of the present invention can be prepared into an appropriate preparation such as a sponge, a sheet, a granule, a powder, and a semi-solid form using well-known means. Microencapsulation is also possible.
- bedsores such as long-term hospitalized patients who cannot move become a social problem.
- test example 1 was performed on gelatins A to F.
- A, B, and E are alkali-treated gelatin obtained from adult cow bone, and A and B are gelatins that have been further chemically treated with hydrogen peroxide.
- C is gelatin obtained by treating E with pepsin (weight-average molecular weight: about 20, 000 to about 30, 000. Japanese Patent Application No. 11-228810, filed by the same applicant) Corresponding to the gelatin described in).
- D is alkali-treated gelatin obtained from fetal calf bone
- F is crude collagen extracted from adult cow skin and dissolved by heating.
- gelatins AF contains impurities such as sulfurous acid.
- the solvent used was a calcium phosphate buffer (pH 6.9), the flow rate was 1 mlZ min, and the column temperature was 40 ° C.
- the molecular weight was calculated using a polyethylene oxide molecular weight marker as a standard. For comparison, the weight-average molecular weight of degraded gelatin treated with hydrochloric acid (0.4 molar concentration of hydrochloric acid, pH 1.5, temperature of 76 ° C) using the same concentration of pure gelatin was also determined.
- Figure 1 shows the weight average molecular weight (vertical axis) versus the hydrolysis time (horizontal axis).
- the weight-average molecular weight of the degraded gelatin did not decrease to not more than 20,000 in the pepsin treatment for 1 to 12 hours, whereas the weight-average molecular weight in the decomposition in hydrochloric acid was about 1 in the treatment for 2 hours. It became 5.000, which was less than 10.000 in 4 hours.
- the residual allergen activity of the above-mentioned pepsin-treated gelatin was determined by a fluorescence ELISA method (ELISA method) using sera of patients showing an allergic reaction to gelatin. That is, the gelatin treated with pepsin was absorbed into an ELISA plate, and the IgE antibody titer against the gelatin of the patient's serum was measured by the ELISA method.
- Figure 2 shows the results. As clearly shown in Figure 2, the treatment with pepsin for 1 to 12 hours reduced the residual allergen activity of the degraded gelatin to less than 20% of the starting gelatin, whereas the degradation with hydrochloric acid only reduced it to 30%. Did not.
- Gelatin ABCDEF Iodine consumption (mgZg) 1.27 7.80 12.39 10.72 28.55 27.60
- Chemically treated gelatin A, B gelatin reduced from gelatin by treating with pepsin (: and gelatin D obtained from fetal calf
- the consumption of iodine was lower than that of gelatins E and F.
- Example 2 The amount of gelatin B used in Example 1 was changed, and povidonol, sucrose and other components were mixed at the ratios shown in Table 2 and formed into a sheet.
- the prototype which did not contain gelatin B, adhered in a paste form when sandwiched between polyethylene films, and did not come off at all. In addition, even at room temperature, the liquid appeared to bleed to the surface immediately after the trial production. Even when it was formed into a sheet, it flowed at 30 ° C or higher and could not maintain its shape.
- the mixture containing gelatin B did not show any liquid bleeding at room temperature, separated from the film without breaking down, and maintained a sheet-like form.
- the formulation prepared above was placed at 60 ° C, and one day later, the content of effective iodine was quantified to calculate the residual ratio.
- the pH was compared between immediately after preparation and one day after the preparation at 60 ° C. The results are shown in Table 3.
- Table 4 shows the results of comparing the pH fluctuations after 14 days with the prototype and a commercially available ointment containing sucrose and povidonodo at 60 ° C. (Table 3)
- iodine could not be detected in the preparation containing no gelatin B.
- the sheet-shaped preparation flowed in a syrup-like shape, and was colored black-brown.
- the effective iodine was kept stable and the appearance did not change.
- This formulation also had a smaller variation in pH than the commercially available ointment. It was found that the addition of gelatin B improved the properties of the preparation and increased the stability of the active ingredient.
- Test Example 2 The test of Test Example 2 was performed by mixing gelatin B or E used in Example 1, and povidone and sucrose and other components at the ratios shown in Table 5 and forming the mixture into a sponge or a sheet.
- Example 4 Comparative Example 1 Gelatin B 3.5 5.0 2.5
- Gelatin B or Gelatin E used in Example 1 and povidone chloride, sucrose, and other components were mixed and kneaded at the ratios shown in Table 6 to prepare a semi-solid form, and the test of Test Example 3 was performed.
- Table 6 the ratios shown in Table 6 to prepare a semi-solid form
- gelatin B or gelatin E used in Example 1 was mixed with povidonodo, sucrose, and other components in the proportions shown in Table 7, dried, pulverized, and then prepared in the form of granules or powder. 4 tests were performed.
- Example 9 Comparative Example 3 Comparative Example 4 Gelatin B 4.5 4.8
- Example 7 the formulation using gelatin B in the powder (Examples 8, 9) was in the state immediately after production even after heating. However, the preparations using gelatin E (Comparative Examples 3 and 4) were browned and solidified after heating and could not maintain the shape immediately after production.
- Example 10 0, 1 1, 1 2
- Gelatins B and C used in Example 1 and povidone and other components were mixed in the proportions shown in Table 8 to obtain a flexible sheet-shaped preparation without adding any water.
- Example 11 Example 1 2 Gelatin B 1.8 1.8
- FIG. 1 is a graph showing the relationship between the hydrolysis time of gelatin with pepsin and the weight average molecular weight.
- FIG. 2 is a graph showing the relationship between hydrolysis of gelatin by pepsin and residual allergen activity.
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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)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Dermatology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00969952A EP1224937A4 (en) | 1999-10-22 | 2000-10-20 | STABLE PREPARATIONS FOR THE TREATMENT OF DECUBITUS, SKIN AND WOUNDS |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11/300330 | 1999-10-22 | ||
| JP30033099A JP2001122790A (ja) | 1999-10-22 | 1999-10-22 | 安定な褥瘡・皮膚潰瘍および創傷治療用製剤 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001028571A1 true WO2001028571A1 (fr) | 2001-04-26 |
Family
ID=17883485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2000/007335 Ceased WO2001028571A1 (fr) | 1999-10-22 | 2000-10-20 | Preparations stables pour le traitement des escarres, des ulceres de la peau et des blessures |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1224937A4 (ja) |
| JP (1) | JP2001122790A (ja) |
| WO (1) | WO2001028571A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004037293A1 (ja) * | 2002-10-22 | 2004-05-06 | Dainippon Pharmaceutical Co., Ltd. | 安定化組成物 |
| WO2004043473A1 (ja) * | 2002-11-11 | 2004-05-27 | Kowa Co., Ltd. | 損傷皮膚修復用組成物 |
| WO2015198196A1 (en) * | 2014-06-26 | 2015-12-30 | Tenerelli Simone | Improved pharmaceutical composition for the protection and healing of pressure ulcers, diabetic ulcers and vascular ulcers |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4841733B2 (ja) * | 2001-01-31 | 2011-12-21 | 三笠製薬株式会社 | 創傷治療用製剤 |
| TW200637564A (en) * | 2004-12-27 | 2006-11-01 | Kowa Co | Orally disintegrable solid preparation comprising povidone-iodine |
| CN101175512B (zh) * | 2005-05-13 | 2012-10-17 | 株式会社奈特克 | 促进皮肤再生的医疗组合物 |
| DE102006005659A1 (de) * | 2006-02-08 | 2007-08-16 | Paul Hartmann Ag | Proteasen-Inhibitor zur Wundbehandlung |
| ITBA20130047A1 (it) * | 2013-06-07 | 2014-12-08 | Simone Tenerelli | Composizione per la protezione e la guarigione di ulcere da decubito, vascolari e diabetiche. |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401651A (en) * | 1979-04-18 | 1983-08-30 | Knutson Richard A | Wound-healing compositions containing povidone-iodine |
| JPS6310731A (ja) * | 1986-03-12 | 1988-01-18 | Kowa Co | 安定な損傷皮膚修復用製剤 |
| JPH04321627A (ja) * | 1991-04-17 | 1992-11-11 | Ise Kagaku Kogyo Kk | ヨウ素含有複合体の製造法並びにヨウ素含有複合体 |
| JPH1017596A (ja) * | 1996-07-03 | 1998-01-20 | Miyagi Kagaku Kogyo Kk | 抗原性成分の除去方法、非抗原性ペプチド組成物、非抗原性安定化剤および生理活性物質 |
| JPH10338638A (ja) * | 1997-06-05 | 1998-12-22 | Toa Yakuhin Kk | 損傷皮膚修復用製剤 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5879717A (en) * | 1993-02-10 | 1999-03-09 | Rita McConn-Stern | Wound healing compositions containing iodine and sucrose |
| JP3583166B2 (ja) * | 1994-06-27 | 2004-10-27 | 興和株式会社 | 損傷皮膚修復用粉末製剤 |
| JP2953649B2 (ja) * | 1995-12-21 | 1999-09-27 | 岩城製薬株式会社 | 皮膚潰瘍用外用散剤 |
| JP2000038342A (ja) * | 1998-05-18 | 2000-02-08 | Kyowa Yakuhin Kogyo Kk | 褥瘡・損傷皮膚修復用製剤 |
| JP3153811B2 (ja) * | 1999-08-12 | 2001-04-09 | 株式会社ニッピ | ペプシン処理ゼラチン |
-
1999
- 1999-10-22 JP JP30033099A patent/JP2001122790A/ja active Pending
-
2000
- 2000-10-20 WO PCT/JP2000/007335 patent/WO2001028571A1/ja not_active Ceased
- 2000-10-20 EP EP00969952A patent/EP1224937A4/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401651A (en) * | 1979-04-18 | 1983-08-30 | Knutson Richard A | Wound-healing compositions containing povidone-iodine |
| JPS6310731A (ja) * | 1986-03-12 | 1988-01-18 | Kowa Co | 安定な損傷皮膚修復用製剤 |
| JPH04321627A (ja) * | 1991-04-17 | 1992-11-11 | Ise Kagaku Kogyo Kk | ヨウ素含有複合体の製造法並びにヨウ素含有複合体 |
| JPH1017596A (ja) * | 1996-07-03 | 1998-01-20 | Miyagi Kagaku Kogyo Kk | 抗原性成分の除去方法、非抗原性ペプチド組成物、非抗原性安定化剤および生理活性物質 |
| JPH10338638A (ja) * | 1997-06-05 | 1998-12-22 | Toa Yakuhin Kk | 損傷皮膚修復用製剤 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1224937A4 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004037293A1 (ja) * | 2002-10-22 | 2004-05-06 | Dainippon Pharmaceutical Co., Ltd. | 安定化組成物 |
| WO2004043473A1 (ja) * | 2002-11-11 | 2004-05-27 | Kowa Co., Ltd. | 損傷皮膚修復用組成物 |
| WO2015198196A1 (en) * | 2014-06-26 | 2015-12-30 | Tenerelli Simone | Improved pharmaceutical composition for the protection and healing of pressure ulcers, diabetic ulcers and vascular ulcers |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1224937A1 (en) | 2002-07-24 |
| EP1224937A4 (en) | 2007-03-07 |
| JP2001122790A (ja) | 2001-05-08 |
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