WO2016186157A1 - 経皮吸収型液剤 - Google Patents
経皮吸収型液剤 Download PDFInfo
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- WO2016186157A1 WO2016186157A1 PCT/JP2016/064826 JP2016064826W WO2016186157A1 WO 2016186157 A1 WO2016186157 A1 WO 2016186157A1 JP 2016064826 W JP2016064826 W JP 2016064826W WO 2016186157 A1 WO2016186157 A1 WO 2016186157A1
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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
- A61K31/13—Amines
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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
- A61K31/13—Amines
- A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
-
- 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
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/4196—1,2,4-Triazoles
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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
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/445—Non condensed piperidines, e.g. piperocaine
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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
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/16—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing nitrogen, e.g. nitro-, nitroso-, azo-compounds, nitriles, cyanates
- A61K47/18—Amines; Amides; Ureas; Quaternary ammonium compounds; Amino acids; Oligopeptides having up to five amino acids
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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
- A61K47/24—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing atoms other than carbon, hydrogen, oxygen, halogen, nitrogen or sulfur, e.g. cyclomethicone or phospholipids
-
- 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
- A61K9/10—Dispersions; Emulsions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/04—Centrally acting analgesics, e.g. opioids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/06—Antimigraine agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Definitions
- the present invention relates to a percutaneous absorption type liquid preparation, and particularly relates to an external preparation composition containing a drug and phosphatidylcholine.
- Patent Document 1 As a technique for transdermally absorbing various drugs, a transdermal absorption liquid preparation in which a drug and phosphatidylcholine are colloidally dispersed in propylene glycol is known (Patent Document 1). This technology is highly effective in improving skin permeability of a wide range of drugs with a simple composition. However, depending on the type of drug, there is an extremely high demand for absorption in a short time, and further improvement in skin permeability has been demanded.
- transdermal absorption accelerators such as higher fatty acids, higher alcohols and fatty acid esters
- Patent Documents 2 and 3 For colloid solutions containing propylene glycol and phosphatidylcholine, no technology has been proposed for shortening the percutaneous absorption delay time and improving skin permeability.
- the inventor further includes a specific higher alcohol in a colloidal dispersion containing a drug, phosphatidylcholine, and propylene glycol, thereby shortening the transdermal absorption delay time and achieving a high plasma drug concentration in a short time.
- the inventors have found that a transdermal absorption liquid can be obtained, and completed the present invention.
- the present invention (A) Propylene glycol 40 to 98% by weight: (B) Phosphatidylcholine 0.1-5% by weight (C) oleyl alcohol and / or isostearyl alcohol 0.1 to 10% by weight (D) Drug 0.1-25% by weight There is provided a transdermal absorption liquid containing
- a percutaneous absorption type liquid preparation is obtained that has a short percutaneous absorption delay time and can quickly reach the maximum percutaneous permeation rate. Even in the case of a drug for which skin irritation associated with an increase in percutaneous permeation rate has been reported in conventional transdermal administration preparations, according to the present invention, skin irritation is remarkably reduced, and long-term and / or long-term administration.
- a transdermal drug solution suitable for the above can be provided.
- FIG. 1 is a graph showing the results of an in vivo lizatriptan plasma concentration evaluation test using rats in the liquid preparations of Example 1-1 and Comparative Example 1-1.
- FIG. 2 is a graph showing the results of an in vivo donepezil plasma concentration evaluation test using minipigs of the solutions of Example 2-1 and Comparative Example 2-3.
- FIG. 3 is a graph showing the results of an in vitro skin permeability test using rat skin of the liquid preparation of Example 4.
- the percutaneous absorption type liquid preparation of the present invention contains a drug and phosphatidylcholine in propylene glycol or a propylene glycol-containing liquid, and further contains oleyl alcohol and / or isostearyl alcohol (16-methylheptadecen-1-ol).
- the “propylene glycol-containing liquid” refers to propylene glycol in which a solubilizing agent such as water and / or a hydrophilic solvent is dissolved and mixed, as described in detail below.
- any low molecular, medium or high molecular compound having physiological activity can be used, and these usually have one or more polar groups.
- the term “drug” includes these pharmacologically acceptable salts.
- the above-mentioned “low molecular weight compound” means a compound having a molecular weight of generally less than 500, specifically, for example, a drug containing an indane structure such as ramelteon, rasagiline, donepezil, etc .; Rizatriptan, sumatriptan, Drugs containing indole structures such as naratriptan, zolmitriptan, eletriptan, almotriptan; drugs containing piperidine skeletons such as donepezil, trihexyphenidyl, perisoxal, drugs containing benzofurin skeletons such as morphine, oxycodone, galantamine; escitalopram Drugs containing isobenzofurin structures such as
- the above-mentioned “medium molecular compound” means a compound having a molecular weight of about 500 to 2,000, and includes peptides.
- the “polymer compound” is a compound having a molecular weight of about 150,000 to 2,000,000, and examples thereof include sugar chains and proteins. Two or more kinds of drugs may be used in combination.
- the drug can be used alone or in combination of two or more thereof, and the content thereof can be selected from the range of, for example, 0.1 to 25% by weight with respect to the total weight of the solution.
- Phosphatidylcholine is a general term for compounds represented by formula (I), and is usually provided as a mixture of different types and combinations of R 1 and R 2 .
- R 1 and R 2 are the same or different and represent a C 12-22 hydrocarbon group
- unsaturated phosphatidylcholine in which at least one of R 1 and R 2 is an unsaturated hydrocarbon group can be used.
- R 1 and R 2 may contain saturated hydrocarbon groups such as palmityl group (16: 0) and stearyl group (18: 0), but unsaturated phosphatidylcholine which can be used in the present invention has such saturated carbonization.
- the hydrogen group content is less than 80%, preferably less than 70%, more preferably less than 60%, and particularly preferably less than 50%.
- examples of the unsaturated hydrocarbon group include paremitoyl group (16: 1), oleyl group (18: 1), linoleyl group (18: 2), and linolenyl group (18: 3).
- the unsaturated phosphatidylcholine preferably has a content of unsaturated hydrocarbon groups having 18 carbon atoms such as an oleyl group, a linoleyl group, and a linolenyl group of 20% or more, more preferably 30% or more, and particularly preferably. Is 40% or more.
- unsaturated phosphatidylcholine is used, a stable colloidal dispersion excellent in skin permeability can be prepared.
- the unsaturated phosphatidylcholine a high-purity phosphatidylcholine which is naturally derived from soybean lecithin, egg yolk lecithin and the like and has a phosphatidylcholine content of 95% or more can be preferably used.
- phosphatidylcholine that has been chemically and / or biologically modified such as hydrogenated phosphatidylcholine that has been subjected to hydrogenation treatment or lysophosphatidylcholine obtained by enzymatic treatment, a stable colloidal dispersion may not be obtained. It is not preferable.
- a phosphatidylcholine that has been chemically and / or biologically modified such as a partially hydrogenated natural lecithin, has a high degree of unsaturation and high purity phosphatidylcholine (for example, the iodine value is 20 or more, Lysolecithin content of less than 10%) can be used as the “unsaturated phosphatidylcholine” of the present invention.
- the content of phosphatidylcholine is usually selected from 0.1 to 5% by weight, preferably 0.1 to 3% by weight, more preferably 0.1 to 2.0% by weight, particularly preferably 0.2 to 1.% by weight. 5% by weight. If the phosphatidylcholine content is less than 0.1% by weight, a stable solution may not be formed, which is not preferable. Even when phosphatidylcholine is added in excess of 5% by weight, the skin permeability is not improved depending on the increase in the phosphatidylcholine content.
- the liquid preparation of the present invention is produced by mixing a drug dissolved in propylene glycol and phosphatidylcholine dissolved in propylene glycol. If the drug is insoluble or poorly soluble in propylene glycol and cannot be dissolved in the desired amount, a propylene glycol-containing solution is obtained by adding a solubilizing agent such as water or polyethylene glycol to the propylene glycol. A drug in a dissolved state is prepared by dissolving the drug in a glycol-containing liquid.
- a liquid agent having excellent skin permeability is obtained.
- This liquid is usually a colloidal dispersion, and if the drug is a low molecular weight, the median particle diameter is often observed in the range of 5 to 200 nm.
- the addition amount of the solubilizing agent can be selected from a range in which the ratio of propylene glycol to the total weight of the liquid agent is 40% by weight or more, preferably 60% by weight or more.
- the amount of the solubilizing agent added to propylene glycol can be selected, for example, from the range of 0 to 50% by weight, preferably 0 to 35% by weight.
- the propylene glycol-containing liquid may further contain a hydrophilic organic solvent miscible with propylene glycol as necessary.
- a hydrophilic organic solvent miscible with propylene glycol include polyhydric alcohols such as glycerin and 1,3-butanediol.
- the content of such a hydrophilic organic solvent is, for example, less than 30% by weight, preferably less than 20% by weight of the propylene glycol-containing liquid.
- the content of the hydrophilic organic solvent with respect to propylene glycol is less than 50% by weight of propylene glycol.
- the liquid preparation of the present invention further contains oleyl alcohol and / or isostearyl alcohol.
- oleyl alcohol and / or isostearyl alcohol By including oleyl alcohol and / or isostearyl alcohol, the skin permeability of the drug is dramatically improved. In particular, the percutaneous absorption delay time is shortened and the maximum skin permeation rate is reached quickly after adaptation to the skin.
- the amount of oleyl alcohol and / or isostearyl alcohol added is, for example, 0.1 to 10% by weight, preferably 0.2 to 5% by weight, particularly preferably 0.5 to 3% by weight, based on the total weight of the solution. % Can be selected.
- the addition amount of oleyl alcohol and / or isostearyl alcohol is less than 0.1% by weight, it is difficult to obtain the effect of promoting skin permeation, and even if it exceeds 5% by weight, it depends on the concentration of oleyl alcohol and / or isostearyl alcohol. No increase in skin permeability is observed.
- Both oleyl alcohol and isostearyl alcohol are highly effective in improving skin permeability when combined with a solution containing phosphatidylcholine and propylene glycol, but oleyl alcohol is particularly effective. Therefore, it is preferable to contain at least oleyl alcohol.
- the ratio of the two is not particularly limited and can be arbitrarily selected.
- the liquid agent of the present invention preferably further contains alkanolamine.
- alkanolamine By containing alkanolamine, the skin permeability of the drug is further improved.
- alkanolamine primary, secondary, or tertiary alkanolamine having 2 to 12 carbon atoms can be used. Of these, secondary or tertiary alkanolamines are preferred, and tertiary alkanolamines are particularly preferred. Specific examples include diethanolamine, triethanolamine, diisopropanolamine, and triisopropanolamine. Triethanolamine is particularly preferable because of its excellent skin permeation promoting effect.
- the content of alkanolamine is appropriately selected from the range of 0.01 to 10% by weight depending on the properties of the drug.
- Many drugs have a significant skin permeation promoting effect in the range of 0.1 to 5% by weight, particularly 0.2 to 2% by weight.
- the amount of alkanolamine added is 0.01 to 1 0.0% by weight is preferred.
- the liquid preparation of the present invention may contain various additives used for external preparations or cosmetics as necessary.
- additives include fragrances, antioxidants, preservatives, colorants, buffers, pH adjusters, ultraviolet absorbers, antibacterial agents, and the like.
- the oxidizing agent include tocopherol acetate, sodium edetate, erythorbic acid, 1,3-butylene glycol, sodium pyrosulfite and the like.
- the preservative include sorbic acid and taurine.
- the pH regulator include organic acids such as citric acid, acetic acid and tartaric acid; and inorganic acids such as phosphoric acid and hydrochloric acid.
- the method for applying the solution of the present invention to the skin is not particularly limited, and examples thereof include a method of applying or spraying the solution, and a method of attaching an appropriate carrier carrying the solution on the skin.
- a method of attaching a carrier (nonwoven fabric, foamed matrix, etc.) carrying a liquid is preferable from the viewpoint of easy dose adjustment and handling.
- a liquid preparation was prepared with the composition (% by weight) shown in Table 1.
- the obtained liquid preparation was subjected to an in vivo blood concentration evaluation test using rats.
- Table 1 also shows the concentration (ng / ml) of rizatriptan plasma at each blood collection point.
- the graph which shows transition of plasma concentration in FIG. 1 is shown.
- the test conditions were as follows. Animal type: hairless rat (HWY / Slc), 5 weeks old, male Dose: Example 1-1 Chemical solution 0.06 g / 2 cm 2 (Rizatriptan 12 mg) : Comparative Example 1-1 Chemical solution 0.27 g / 9 cm 2 (Rizatriptan 27 mg) Plasma concentration measurement: HPLC
- liquid preparation of the present invention containing oleyl alcohol
- rizatriptan rapidly transferred into plasma, and the plasma concentration reached a peak after 2 hours.
- the comparative solution containing no oleyl alcohol had a large liquid application area, a small amount of drug transferred to plasma despite a large drug dose, and a long skin permeation delay time.
- Example 2-1 and Comparative Example 2-3 were subjected to in vivo blood concentration evaluation tests using minipigs.
- FIG. 2 shows a graph showing the transition of plasma concentration (ng / mg).
- the test conditions were as follows. Animal species: Minipig Dose: Example 2-1 Chemical solution 6 g / 100 cm 2 (Donepezil 300 mg) : Comparative Example 2-3 Chemical solution 6 g / 100 cm 2 (Donepezil 300 mg) Plasma concentration measurement: HPLC
- Example 2-1 containing oleyl alcohol and the solution of Example 2-2 containing isostearyl alcohol contain Comparative Example 2-1 containing neither oleyl alcohol nor isostearyl alcohol, and oleyl alcohol Compared with the solution of Comparative Example 2-2 containing no phosphatidylcholine, it was confirmed that the skin permeability was improved in a short time of 7 hours after the start of the test. Due to the synergistic effect of the combination of phosphatidylcholine and higher alcohol, skin permeability in a short time has been dramatically improved.
- a known memantine-containing transdermal absorption preparation (described in JP-A-2009-13171) was produced in the following manner. Memantine hydrochloride 20.0% Sodium hydroxide 3.7% Hydroxyl-containing type acrylic adhesive 76.3% An aqueous sodium hydroxide solution was added to memantine hydrochloride weighed at the above ratio and stirred. A hydroxyl group-containing type acrylic pressure-sensitive adhesive weighed in the above-mentioned allocation was added to this, stirred, applied to a support with a thickness of about 100 ⁇ m, and dried to produce a patch.
- Example 3-6 [In vitro skin permeability test using human skin Rabbit skin primary irritation test] According to the formulation shown in Table 4, a solution of Example 3-6 was prepared. The liquid preparation of Example 3-6 and the comparative preparation were subjected to an in vitro skin permeability test using human skin. In the irritation test, the liquid preparation of Example 3-6 was impregnated into urethane foam (0.03 g / cm 2 ) to prepare a test preparation. These were applied to rabbits (Kbl: JW species, male and female, 8 weeks old) for 24 hours. The skin condition after 1, 24, and 48 hours after peeling was visually observed, and the primary skin irritation was evaluated by the Draize method. The primary stimulation score (PI) is also shown in Table 4.
- Example 3-6 The liquid preparation of Example 3-6 showed excellent skin permeability in the vitro test, and thus it was considered that memantine was absorbed transdermally in the rabbit skin irritation test, but the skin irritation was mild.
- Urethane foam (2 ⁇ 2 cm 2 : 0.03 g / cm 2 ) impregnated with the obtained liquid was applied to rabbits (Kbl: JW species, male and female, 8 weeks old) for 24 hours.
- the skin condition after 1, 24, and 48 hours after peeling was visually observed, and the primary skin irritation was evaluated by the Draize method.
- the primary stimulation score (PI) is also shown in Table 5.
- Liquid of the present invention comprising tramadol hydrochloride, a 4523.4 ⁇ g / cm 2 at 1815.6 ⁇ g / cm 2, 6 h at 4 h, showed very high permeability in a short time. Moreover, skin irritation was not recognized from the result of the rabbit skin primary irritation test.
- Solution a has a significantly larger amount of donepezil permeated through the skin than solution b without memantine. This is considered to be because memantine promotes the skin penetration of donepezil. On the other hand, the presence or absence of donepezil did not affect the skin permeation amount of memantine.
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Abstract
Description
(a) プロピレングリコール 40~98重量%:
(b) ホスファチジルコリン 0.1~5重量%
(c) オレイルアルコール及び/又はイソステアリルアルコール 0.1~10重量%
(d) 薬物 0.1~25重量%
を含む経皮吸収型液剤を提供する。
試験条件は以下のとおりであった。
動物種:ヘアレスラット(HWY/Slc)、5週齢、雄
投与量:実施例1-1 薬液0.06g/2cm2(リザトリプタン12mg)
:比較例1-1 薬液0.27g/9cm2(リザトリプタン27mg)
血漿中濃度測定:HPLC
表2に示す組成(重量%)で液剤を調製した。得られた液剤について、フランツセルを用いてドネペジル及びメマンチンの皮膚透過性を評価した。試験に用いた皮膚は、ユカタン・マイクロ・ピッグ(雌性、5ヶ月齢)であり、レセプター溶液は(水:エタノール=9:1)溶液であった。試験開始後7時間の累積皮膚透過量(μg/cm2)を表2に示す。
試験条件は以下のとおりであった。
動物種:ミニブタ
投与量:実施例2-1 薬液 6g/100cm2(ドネペジル300mg)
:比較例2-3 薬液 6g/100cm2(ドネペジル300mg)
血漿中濃度測定:HPLC
表3に示す組成(重量%)で液剤を調製した。得られた液剤について、フランツセルを用いてメマンチンの皮膚透過性を評価した。試験に用いた皮膚は、5週齢ヘアレスラット(雄)腹部摘出皮膚であり、レセプター溶液は(水:エタノール=9:1)溶液であった。試験開始後6時間の累積皮膚透過量(μg/cm2)を併せて表3に示す。
公知(特開2009-13171号公報に記載)のメマンチン含有経皮吸収製剤を下記の要領で製造した。
メマンチン塩酸塩 20.0%
水酸化ナトリウム 3.7%
水酸基含有タイプのアクリル粘着剤 76.3%
上記の割合で秤量したメマンチン塩酸塩に水酸化ナトリウム水溶液を添加し、撹拌した。これに、上記割り当いで秤量した水酸基含有タイプのアクリル粘着剤を加えて撹拌し、支持体上に約100μmの厚さで塗布して乾燥し、貼付剤を製造した。
表4に示す処方に従い、実施例3-6の液剤を調製した。実施例3-6の液剤、及び比較製剤について、ヒト皮膚を用いin vitro皮膚透過性試験を行った。
刺激性試験では、実施例3-6の液剤はウレタンフォームに含浸(0.03g/cm2)させて試験製剤とした。これらをウサギ(Kbl:JW種、雄雌、8週齢)に24時間適用した。剥離後1、24、及び48時間後の皮膚の状態を目視して、皮膚一次刺激をDraize法により評価した。一次刺激評点(P.I.I.)を表4に併せて示す。
表5に示す組成(重量%)で液剤を調製した。得られた液剤について、フランツセルを用いてトラマドールの皮膚透過性を評価した。試験に用いた皮膚は、ヘアレスラット、5週齢 腹部摘出皮膚)であり、レセプター溶液は(水:エタノール=9:1)溶液であった。試験開始後6時間の累積皮膚透過量(μg/cm2)を併せて表5に示す。図3に、累積皮膚透過量の推移を表すグラフを示す。
得られた液剤を含浸させたウレタンフォーム(2×2cm2:0.03g/cm2)をウサギ(Kbl:JW種、雄雌、8週齢)に24時間適用した。剥離後1、24、及び48時間後の皮膚の状態を目視して、皮膚一次刺激をDraize法により評価した。一次刺激評点(P.I.I.)を表5に併せて示す。
表6に示す処方で液剤を調製した。得られた液剤について、フランツセルを用いてドネぺジル及びメマンチンの皮膚透過性を評価した。試験に用いた皮膚は、ユカタン・マイクロピッグ(雌性、5か月齢)であり、レセプター溶液は(水:エタノール=9:1)溶液であった。試験開始後6時間又は24時間の累積皮膚透過量(μg/cm2)を表6に示す。
Claims (2)
- (a) プロピレングリコール 40~98重量%
(b) ホスファチジルコリン 0.1~5重量%
(c) オレイルアルコール及び/又はイソステアリルアルコール 0.1~10重量%
(d) 薬物 0.1~25重量%
を含む経皮吸収型液剤。 - さらに、アルカノールアミンを含む、請求項1に記載の経皮吸収型液剤。
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CN201680029257.7A CN107613961B (zh) | 2015-05-19 | 2016-05-19 | 经皮吸收型液体制剂 |
US15/574,801 US20180147138A1 (en) | 2015-05-19 | 2016-05-19 | Transdermal liquid preparation |
JP2017519392A JPWO2016186157A1 (ja) | 2015-05-19 | 2016-05-19 | 経皮吸収型液剤 |
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WO2018190313A1 (ja) | 2017-04-11 | 2018-10-18 | 株式会社メドレックス | メマンチン含有経皮吸収型液剤 |
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- 2016-05-19 JP JP2017519392A patent/JPWO2016186157A1/ja active Pending
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- 2016-05-19 WO PCT/JP2016/064826 patent/WO2016186157A1/ja active Application Filing
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US11141387B2 (en) | 2017-01-05 | 2021-10-12 | Medrx Co., Ltd. | Memantine-containing transdermally absorbable liquid |
WO2018190313A1 (ja) | 2017-04-11 | 2018-10-18 | 株式会社メドレックス | メマンチン含有経皮吸収型液剤 |
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EP3299012A4 (en) | 2018-12-26 |
CN107613961A (zh) | 2018-01-19 |
EP3299012A1 (en) | 2018-03-28 |
JPWO2016186157A1 (ja) | 2018-03-08 |
US20180147138A1 (en) | 2018-05-31 |
CN107613961B (zh) | 2021-07-13 |
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