WO2013161830A1 - 注射製剤 - Google Patents
注射製剤 Download PDFInfo
- Publication number
- WO2013161830A1 WO2013161830A1 PCT/JP2013/061950 JP2013061950W WO2013161830A1 WO 2013161830 A1 WO2013161830 A1 WO 2013161830A1 JP 2013061950 W JP2013061950 W JP 2013061950W WO 2013161830 A1 WO2013161830 A1 WO 2013161830A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compound
- salt
- injection
- benzo
- butoxy
- Prior art date
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- 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
- A61K47/20—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing sulfur, e.g. dimethyl sulfoxide [DMSO], docusate, sodium lauryl sulfate or aminosulfonic 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
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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
- A61K47/26—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
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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
- A61K47/34—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
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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
- A61K9/10—Dispersions; Emulsions
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- 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
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- 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
- A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
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- 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
- A61P25/24—Antidepressants
Definitions
- the present invention relates to an injection preparation containing 7- [4- (4-benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one or a salt thereof.
- the compound (I) or a salt thereof has a dopamine D 2 receptor partial agonist action (D 2 receptor partial agonist action), a serotonin 5-HT 2A receptor antagonist action (5-HT 2A receptor antagonistic action) and adrenaline ⁇ 1 receptor antagonistic action ( ⁇ 1 receptor antagonistic action), and in addition to these actions, it also has serotonin uptake inhibitory action (or serotonin reuptake inhibitory action) It is known (Patent Document 1) and has a broad therapeutic spectrum for central nervous disease (especially schizophrenia).
- a long-acting drug administration form is useful in that it can increase patient compliance and thereby reduce the recurrence rate in treatment.
- An object of the present invention is to provide an injectable preparation which has a long action of the compound (I) or a salt thereof, is stable and can be easily injected even after long-term storage.
- the injectable preparation provides a sustained injectable preparation that maintains an effective blood concentration of compound (I) or a salt thereof, preferably for at least one week.
- an injectable preparation having a specific configuration containing Compound (I) or a salt thereof as an active ingredient is hard even if precipitation of Compound (I) occurs. It has been found that it does not become a cake, can be easily dispersed again by a simple operation such as gentle stirring, and can be suitably injected. And it also discovered that the injection formulation which has the said specific structure can have a long-time effect
- Item 1 Secondary formed by aggregation of particles (primary particles) of 7- [4- (4-benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one or a salt thereof Containing particles,
- the secondary particles have an average particle size (average secondary particle size) of 1 to 50 ⁇ m,
- the secondary particles are dispersed and included, Aqueous suspension.
- the average primary particle diameter of the 7- [4- (4-benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one or a salt thereof is 0.1 to 20 ⁇ m, Item 4.
- the aqueous suspension according to Item 1. Item 3. Containing 0.1 to 40% by weight of 7- [4- (4-benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one; Item 3.
- An injection preparation comprising the aqueous suspension according to any one of Items 1 to 3. Item 5.
- the particle binder is sodium chloride, polyoxyethylene sorbitan fatty acid ester, block copolymer of ethylene oxide and propylene oxide, polyethylene glycol, tocopherol, tocotrienol and its ester, tocopherol acetate, tocopherol succinate, benzyl alcohol, low water-soluble polyoxy At least one selected from the group consisting of ethylene diol dibenzoate, low water-soluble polyoxyethylene diol dimethyl sulfonate and its ester, and benzyl benzoate, Injection formulation.
- Item 6. 7- [4- (4-Benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one or a salt thereof forms secondary particles, The average secondary particle diameter of the secondary particles is 1 to 50 ⁇ m.
- Item 7. 7- [4- (4-Benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one or a salt thereof is included suspended in water for injection.
- Item 7 [4- (4-Benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one or a salt thereof is included by precipitation, Item 7.
- the particle binder comprises sodium chloride, polyoxyethylene (20) sorbitan oleate, polyoxyethylene (160) polyoxypropylene (30) glycol, polyethylene glycol having an average molecular weight of 200 to 6000, benzyl alcohol and benzyl benzoate.
- the injection preparation according to any one of Items 5 to 8, which is at least one selected from the group.
- Item 11 The injection preparation according to any one of Items 4 to 9, wherein the pH of the injection preparation is 5 to 8.
- Item 11. The injection preparation according to any one of Items 4 to 10, which is used for treatment or prevention of recurrence of schizophrenia, bipolar disorder, or depression.
- Item 12a 7- [4- (4-Benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one or a salt thereof, 7- [4- (4-Benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one is a dihydrate.
- Item 4. The aqueous suspension according to any one of Items 1 to 3.
- the injectable preparation according to claim 12b comprising at least one selected from the group consisting of polyoxyethylene sorbitan fatty acid ester and polyethylene glycol as a particle binder.
- Item 14. Item 12. A prefilled syringe in which the injection preparation according to any one of Items 4 to 11, Item 12b, and Item 13b is prefilled.
- Term A. An injection preparation containing 7- [4- (4-benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one or a salt thereof as an active ingredient, Is an injection preparation that releases the active ingredient so that the therapeutically effective blood concentration lasts for at least one week.
- Term B The injection preparation according to Item A, further comprising a binder.
- Term C. Item 8. The injection preparation according to Item A or B, wherein the pH of the injection preparation is 5-8.
- the injection preparation of the present invention contains compound (I) or a salt thereof as an active ingredient.
- the injection preparation contains the compound (I) or a salt thereof as an active ingredient and has a specific composition, so that even if precipitation occurs, it can be easily re-dispersed and returned to a suitable injectable state. it can. Furthermore, the effective blood concentration of compound (I) or a salt thereof persists for at least one week.
- the injection preparation of the present invention is used in the form of a suspension containing water for injection at the time of administration.
- the compound (I) or a salt thereof forms secondary particles, and the average particle size (average secondary particle size) of the secondary particles is preferably 1 to 50 ⁇ m. . And preferably (especially immediately before administration) the secondary particles are suspended in the injectable preparation.
- one of the optimal modes of the injection preparation of the present invention includes secondary particles formed by agglomeration of particles (primary particles) of compound (I) or a salt thereof, and the average particle size (average two particles) of the secondary particles.
- the secondary particle diameter is preferably 1 to 50 ⁇ m, and is an injectable preparation comprising an aqueous suspension in which the secondary particles are suspended and contained.
- the average particle diameter (average secondary particle diameter) of the secondary particles is more preferably 2 to 30 ⁇ m, further preferably 3 to 20 ⁇ m, still more preferably 4 to 17 ⁇ m, and particularly preferably 5 to It is 15 ⁇ m, particularly preferably 5 to 12 ⁇ m.
- the injection preparation of the present invention comprises 7- [4- (4-benzo [b] thiophen-4-yl-piperazin-1-yl) butoxy] -1H-quinolin-2-one (compound (I)) or a salt thereof
- the primary particles of the compound (I) or a salt thereof can preferably form secondary particles
- the secondary particles of the compound (I) having a mean secondary particle size or a salt thereof can be preferably and stably contained.
- the specific particle binder here means a component capable of agglomerating the particles (primary particles) of the compound (I) or a salt thereof to form secondary particles.
- the injection preparation of the present invention does not become a hard cake even when precipitation of the compound (I) or a salt thereof occurs, and it is easily dispersed again by a simple operation such as gentle stirring. This is advantageous.
- it is 7- [4- (4-benzo [b] thiophen-4-yl-piperazin-1-yl) that has the advantageous effect of the injection preparation of the present invention.
- Butoxy] -1H-quinolin-2-one or a salt thereof is suspended in water and, in addition to this, further contains a specific particle binder, thereby allowing compound (I) or a salt thereof It is presumed that these particles are aggregated to form secondary particles, so that even if the compound (I) or a salt thereof precipitates, it is difficult to form a close packed state.
- the present invention also includes an injection preparation in which secondary particles of compound (I) or a salt thereof are precipitated.
- the secondary particles of the compound (I) or a salt thereof having the average secondary particle diameter are, for example, preferably about 0.1 to 20 ⁇ m, more preferably about 1 to 10 ⁇ m, and still more preferably about 2 to 5 ⁇ m.
- the compound (I) having a particle size or a salt thereof can be produced by dispersing in water for injection together with a vehicle described later.
- an aqueous suspension (injection preparation) is obtained by using the bulk powder of compound (I) or a salt thereof having such an average primary particle diameter, or by using a specific particle binder, it is desired.
- the agglomerated compound (I) or a salt thereof secondary particles are well dispersed so as to have an average particle diameter of 5 ⁇ m.
- average particle diameter refers to a volume average diameter when measured by laser diffraction-scattering.
- the particle size distribution is measured by a laser diffraction scattering method, and the average particle size is calculated from the particle size distribution.
- the “average primary particle size” here is a laser diffraction scattering method using a circulation cell, using water as a medium, and irradiating ultrasonic waves during circulation of an aqueous suspension. Is the volume average diameter value calculated from the particle size distribution measured by The “secondary particle size” here is measured by a laser diffraction scattering method using a circulation cell, using water as a medium, and circulating an aqueous suspension (no ultrasonic irradiation). Volume average diameter value calculated from the particle size distribution.
- Specific particle binders used in the present invention include, for example, aqueous particle binders such as sodium chloride, polyoxyethylene sorbitan fatty acid ester, polyethylene glycol, block copolymers of ethylene oxide and propylene oxide; tocopherol, tocotrienol and esters thereof, acetic acid Oil-based particle binders such as tocopherol, tocopherol succinate, benzyl alcohol, low water-soluble polyoxyethylenediol dibenzoate, low water-soluble polyoxyethylenediol dimethylsulfonic acid and esters thereof, and benzoate such as benzyl benzoate Can be mentioned.
- aqueous particle binders such as sodium chloride, polyoxyethylene sorbitan fatty acid ester, polyethylene glycol, block copolymers of ethylene oxide and propylene oxide
- tocopherol, tocotrienol and esters thereof acetic acid Oil-based particle binders such as tocopherol, tocopherol succinate,
- fatty acid of the polyoxyethylene sorbitan fatty acid ester
- a fatty acid having 12 to 18 carbon atoms is preferable, and a fatty acid having 16 to 18 carbon atoms is more preferable.
- Specific examples include lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid and the like, and oleic acid is particularly preferable.
- polyoxyethylene sorbitan fatty acid esters polyoxyethylene (20) sorbitan laurate, polyoxyethylene (20) sorbitan stearate, and polyoxyethylene (20) sorbitan oleate are preferred.
- polysorbate 20 Polysorbate 60 and polysorbate 80 can be exemplified.
- polyoxyethylene (20) sorbitan oleate is preferred.
- Polyethylene glycol is preferably polyethylene glycol having an average molecular weight of about 200 to 6000. Specifically, for example, Macrogol 400 and Macrogol 4000 can be used.
- a block copolymer of ethylene oxide and propylene oxide also referred to as EO / PO block / random copolymer
- those having a larger polymerization weight ratio of ethylene oxide than propylene oxide are preferable, and in particular, polyoxyethylene (160) polyoxy Propylene (30) glycol (eg, Pluronic F68) is preferred.
- These particle binders may be used alone or in combination of two or more. When using 2 or more types together, it is more preferable to use 2 or more types together from an aqueous particle binder, or to use 2 or more types together from an oil-based particle binder. Further, it is preferable to use only the aqueous particle binder alone or the oily particle binder alone.
- sodium chloride can aggregate the compound (I) or a salt thereof to a secondary particle diameter particularly preferably and keep the secondary particles stable. Furthermore, as described below, it also acts as an isotonic agent. Therefore, it is particularly preferable to use sodium chloride.
- block copolymers of polyoxyethylene sorbitan fatty acid ester, polyethylene glycol, ethylene oxide and propylene oxide are preferable because they have an effect of improving needle penetration of injection preparations.
- the concentration of the specific particle binder used in the present invention depends on the type of the particle binder used, but is preferably about 0.01 to 500 mg / mL, for example, about 0.05 to 450 mg / mL in the total injection formulation. mL is more preferable, and about 0.06 to 300 mg / mL is even more preferable.
- the particle binder is preferably contained in an amount of about 0.01 to 500 parts by weight, more preferably about 0.05 to 450 parts by weight, based on 100 parts by weight of the compound (I) or a salt thereof. More preferably, it is contained in an amount of about 0.06 to 300 parts by weight.
- Sodium chloride is preferably contained in the injection preparation at a concentration of about 0.1 mg / mL or more, more preferably 1 mg / mL or more. More specifically, it is preferably contained at a concentration of about 0.1 to 400 mg / mL, more preferably about 1 to 200 mg / mL, more preferably about 1 to 100 mg / mL, and about 1 to 50 mg / mL. Even more preferred is about 2-40 mg / mL. Further, it is preferably contained in an amount of 1 to 100 parts by weight, more preferably 1 to 200 parts by weight, still more preferably 1 to 100 parts by weight, relative to 100 parts by weight of the compound (I) or a salt thereof. Is more preferable, and 2 to 40 parts by weight is particularly preferable.
- the polyethylene glycol is preferably contained in the injection preparation at a concentration of about 1 to 40 mg / mL, more preferably about 5 to 40 mg / mL, more preferably about 10 to 40 mg / mL, and more preferably about 20 to 40 mg / mL. Further preferred.
- polyethylene glycol is preferably contained in an amount of 1 to 40 parts by weight, more preferably 5 to 40 parts by weight, and more preferably 10 to 40 parts by weight with respect to 100 parts by weight of compound (I) or a salt thereof. More preferably, it is more preferably 20 to 40 parts by weight.
- the polyoxyethylene sorbitan fatty acid ester is preferably contained in the injection preparation at a concentration of about 0.01 to 10 mg / mL, more preferably about 0.1 to 5 mg / mL, and about 0.1 to 1 mg. / ML is more preferable, and 0.2 to 0.5 mg / mL is even more preferable.
- the polyoxyethylene sorbitan fatty acid ester is preferably contained in an amount of 0.01 to 10 parts by weight, more preferably 0.1 to 5 parts by weight, relative to 100 parts by weight of the compound (I) or a salt thereof. 0.1 to 1 part by weight is more preferable, and 0.2 to 0.5 part by weight is still more preferable.
- Benzyl benzoate is preferably contained in the injection preparation at a concentration of about 0.1 to 10 mg / mL, more preferably about 0.5 to 5 mg / mL, and 0.5 to 3 mg / mL. More preferably.
- the benzyl benzoate is preferably contained in an amount of 0.1 to 10 parts by weight, more preferably 0.5 to 5 parts by weight, based on 100 parts by weight of the compound (I) or a salt thereof. More preferably, 3 parts by weight is contained.
- compound (I) or its salt 100 weight part means 100 weight part when the quantity of the compound (I) or its salt in an injection formulation is converted into the amount of compound (I) here.
- the salt of compound (I) is not particularly limited as long as it is a pharmacologically acceptable salt.
- an alkali metal salt for example, sodium salt, potassium salt
- an alkaline earth metal salt for example, calcium salt, magnesium
- Metal salts such as salts); ammonium salts; alkali metal carbonates (for example, lithium carbonate, potassium carbonate, sodium carbonate, cesium carbonate, etc.); alkali metal hydrogen carbonates (for example, lithium hydrogen carbonate, sodium hydrogen carbonate, potassium hydrogen carbonate, etc.) ); Salts of inorganic bases such as alkali metal hydroxides (eg, lithium hydroxide, sodium hydroxide, potassium hydroxide, cesium hydroxide, etc.); tri (lower) alkylamines (eg, trimethylamine, triethylamine, N-ethyl) Diisopropylamine), pyridine, quinoline, piperidine, imidazole, Choline, dimethylaminopyridine, dimethylaniline, N-
- compound (I) or a salt thereof means, unless otherwise specified, an anhydride, solvate (eg, hydrate, preferably dihydrate), anhydride of these compounds (I) or a salt thereof. And various crystalline forms of solvates, and mixtures thereof.
- “Compound (I) or a salt thereof” is preferably an anhydride or hydrate of compound (I) or a salt thereof, more preferably a hydrate of compound (I) or a salt thereof, and further preferably Is a dihydrate of compound (I) or a salt thereof.
- compound (I) or its salt anhydride It means an anhydride of compound (I) or an anhydride of a salt of compound (I), and “a solvate (for example, hydrate) of compound (I) or a salt thereof” means a solvent of compound (I) It means a solvate (for example, hydrate) of a solvate (for example, hydrate) or a salt of compound (I).
- the anhydride of compound (I) or a salt thereof can be obtained, for example, by the method described in Example 1 and Examples 42 to 47 of JP-A-2006-316052. The contents of this publication are incorporated herein by reference. Moreover, as a specific example of the hydrate of compound (I) or its salt, a dihydrate is mentioned preferably as above-mentioned.
- Dihydrate is, for example, (1) In an alcohol and water mixed solution (preferably an ethanol and water mixed solution), an acid (preferably at least one organic acid selected from the group consisting of acetic acid and lactic acid) and compound (I) are mixed, Preparing an acidic mixed solution; (2) The step of cooling the solution obtained in the step, and (3) The solution cooled in step (2) is mixed with an alkali (for example, sodium hydroxide, potassium hydroxide, etc.) to adjust to pH 7 or higher. It is obtained by a manufacturing method including steps. More specifically, the dihydrate of compound (I) can be prepared, for example, by the following method (A) or (B).
- an alcohol and water mixed solution preferably an ethanol and water mixed solution
- an acid preferably at least one organic acid selected from the group consisting of acetic acid and lactic acid
- compound (I) Preparing an acidic mixed solution
- an alkali for example, sodium hydroxide, potassium hydroxide, etc.
- the dihydrate of compound (I) can be prepared, for example
- Preparation method (A) (including the following steps) (A1) Step of mixing acetic acid and compound (I) in ethanol and water mixed solution to prepare acidic mixed solution, (a2) Cooling the solution obtained in step (a1) to 4 ° C. or lower And (a3) adjusting the cooled solution to pH 7 or higher using an alkali such as sodium hydroxide or potassium hydroxide.
- -Preparation method (B) (including the following steps) (B1) A step of preparing an acidic mixed solution by mixing lactic acid and compound (I) in a mixed solution of ethanol and water, and (b2) cooling the solution obtained in step (b1) to 4 ° C. or lower. And (b3) adjusting the pH of the cooled solution to 7 or higher using an alkali such as sodium hydroxide or potassium hydroxide.
- Step (1) is a step of preparing an acidic mixed solution by mixing at least one organic acid selected from the group consisting of alcohol, water, acetic acid and lactic acid, and compound (I) (step (1) ′). It may be.
- an ethanol-water mixed solution contains at least one organic acid selected from the group consisting of acetic acid and lactic acid, and an anhydride of the benzothiophene compound represented by the general formula (I). It is the process of mixing and preparing an acidic solution.
- the lactic acid used as the organic acid may be any lactic acid of D-form, L-form, and a mixture thereof.
- the ethanol content in preparing the ethanol-water mixed solution in step (1) is preferably about 95% by volume or less, more preferably about 70% by volume or less, and still more preferably about 60% by volume or less.
- compound (I) in the form of dihydrate can be obtained.
- the lower limit of the content of ethanol is not particularly limited, for example, preferably about 20 volume%, and more preferably about 30 volume%.
- the concentration of the benzothiophene compound represented by the general formula (I) in the ethanol-water mixed solution is preferably about 0.1 to 30% by weight, more preferably about 0.5 to 20% by weight, and more preferably 1 to About 10% by weight is more preferable.
- the weight% here is w / w%.
- the content ratio of the organic acid to be blended is not particularly limited as long as it is blended so that the system is in an acidic condition.
- 0.1 to 20 wt.% In an ethanol-water mixed solution.
- % Preferably about 0.3 to 10% by weight, more preferably about 0.5 to 5% by weight.
- the amount of the organic acid is not particularly limited as long as it is compounded so that the inside of the system is in an acidic condition, but for example, with respect to 100 parts by weight of the benzothiophene compound represented by the general formula (I)
- the amount is preferably about 5 to 100 parts by weight, and more preferably about 20 to 80 parts by weight.
- the temperature at which the solution in the step (1) is prepared is a temperature at which the benzothiophene compound represented by the general formula (I) can be dissolved in the ethanol-water mixed solution and the liquid containing the organic acid.
- the temperature is such that ethanol, water, or the organic acid does not volatilize and the benzothiophene compound represented by the general formula (I) is not decomposed, there is no particular limitation. Specifically, it is preferably about 50 to 120 ° C., more preferably about 70 to 100 ° C., and any reflux temperature (about 80 ° C.) may be used.
- Step (2) is a step of cooling the solution obtained in the step (1).
- the cooling temperature is 5 ° C. or less, preferably about 0 ° C. or less, more preferably about ⁇ 2 ° C. or less. Since heat is generated when the pH of the solution is adjusted using an alkali in a later step, when the cooling temperature exceeds 5 ° C., the dihydrate of the benzothiophene compound represented by the general formula (I) or a salt thereof is formed. There is a tendency not to get enough.
- the lower limit of the cooling temperature in the step (2) is not particularly limited, but is about ⁇ 20 ° C. from the viewpoint that the temperature needs to be raised in the subsequent step and that the water freezes. Is preferable, and about ⁇ 10 ° C. is more preferable.
- Step (3) is a step of adjusting the pH to 7 or higher by mixing the solution cooled in the step (2) and an alkali.
- alkali include sodium hydroxide and potassium hydroxide.
- alkaline aqueous solution when mixing the solution cooled in the said process (2) and alkali, alkaline aqueous solution may be prepared previously and this may be mix
- concentration when used as an alkaline aqueous solution include an aqueous solution of about 0.1 to 25% by weight, preferably about 0.5 to 10% by weight.
- the alkali (aqueous solution) temperature is preferably about ⁇ 5 to 15 ° C., more preferably ⁇ 2 to 5 ° C.
- the blending amount of the alkali is not particularly limited as long as the solution in the system can be blended so that the pH becomes 7 or more.
- 1 part by weight of the organic acid blended in the solution in the step (1) The amount is preferably about 0.3 to 10 parts by weight, more preferably about 0.5 to 3 parts by weight.
- the pH when adjusting the pH using the alkali in step (3) is 7 or more, preferably about 7.5 or more, and more preferably about 8 or more. If the pH is less than 7, the dihydrate of the benzothiophene compound represented by the general formula (I) or a salt thereof tends not to be sufficiently obtained.
- the upper limit of the pH is not particularly limited.
- the precipitated benzothiophene compound dihydrate represented by the general formula (I) can be easily washed. From the viewpoint that the compound forms a salt, etc., about 12 is preferable, and about 10 is more preferable.
- the deposited dihydrate of the benzothiophene compound represented by the general formula (I) or a salt thereof is separated into solid and liquid by a known method and purified by washing with water.
- the resulting dihydrate of the benzothiophene compound represented by the general formula (I) is preferably further heated, preferably about 10 ° C or higher, more preferably about 10 to 50 ° C.
- the dihydrate of the benzothiophene compound represented by the general formula (I) of the present invention has the peak shown in FIG. 2 and is characteristic at the diffraction angle (2 ⁇ ) shown below. Has a strong peak. These peaks are characteristic peaks different from the peaks shown in the X-ray powder diffraction pattern for the known benzothiophene compound (anhydrous form) represented by the general formula (I).
- Diffraction angle (2 ⁇ ) 11.6 °, 12.2 °, 14.0 °, 16.3 °, 18.1 °, 18.4 °, 18.9 °, 19.5 °, 20.5 °, 21.5 °, 22.6 °, 23.3 °, 25.0 °, 26.1 °, 26.4 °, 27.1 °, 28.1 °, 28.5 °, 28.9 °, 29.8 °, 30.4 °, 30.7 °, 31.6 °, 32.9 °, 33.9 °, 34.4 °, 35.2 °, 36.0 °, 36.7 °, 37.4 °, 38.3 °
- the diffraction angle (2 ⁇ ) may have an error of ⁇ 0.2 to + 0.2 ° depending on the measurement equipment, measurement conditions, and the like. In the present invention, the error is within the allowable range. included.
- the dihydrate of the benzothiophene compound shown by general formula (I) is identified by the infrared absorption spectrum measured by the potassium bromide tablet method.
- the dihydrate of the benzothiophene compound represented by the general formula (I) of the present invention has the spectrum shown in FIG. 3, and has a peak at the wave number (cm ⁇ 1 ) shown below. Have.
- the dihydrate of the benzothiophene compound represented by the general formula (I) of the present invention has a peak at a wave number as shown in FIG. 3 in addition to the above peak.
- the wave number (cm ⁇ 1 ) may cause an error of ⁇ 0.5 to +0.5 cm ⁇ 1 depending on the measurement equipment, measurement conditions, and the like.
- the error is allowable. Included as a range.
- the dihydrate of the benzothiophene compound represented by the general formula (I) is identified by a Raman spectrum.
- the dihydrate has the spectrum shown in FIG. 4 and has a peak near the wave number (cm ⁇ 1 ) shown below.
- the dihydrate has a peak near the wave number shown below as shown in FIG.
- the water content of the dihydrate of the benzothiophene compound represented by the general formula (I) is 6.5 to 8.8% by weight, more specifically, 7.3 to 8.1% by weight. is there.
- the amount of moisture is measured by moisture measurement by the Karl Fischer method.
- the dihydrate of the benzothiophene compound represented by the general formula (I) is identified by a peak measured by 1 H-NMR measurement.
- the dihydrate of the benzothiophene compound represented by the general formula (I) of the present invention has the 1 H-NMR spectrum shown in FIG. 1 and the 1 H-NMR proton peak measured in Example 1 below.
- the content of compound (I) or a salt thereof is preferably about 0.1 to 40% by weight, more preferably about 1 to 20% by weight, and further preferably about 5 to 15% by weight in the total injection preparation. That is, the compound (I) or a salt thereof is preferably about 0.1 to 40% (w / v), more preferably about 1 to 20% (w / v), more preferably based on the total injection formulation. In an injectable formulation in an amount in the range of about 2 to 15% by weight (w / v), more preferably about 5 to 15% (w / v), particularly preferably 5 to 11% (w / v). Exists.
- about 1 to 400 mg / mL is preferable, about 10 to 200 mg / mL is more preferable, about 20 to 150 mg / mL is more preferable, and about 50 to 110 mg / mL is even more preferable.
- the content ratio value or content value of compound (I) or a salt thereof in the injection preparation of the present invention is a value in terms of compound (I).
- an injection solution is used due to high viscosity (increase in viscosity due to entrapment of bubbles). May be difficult to handle. In such a case, it is preferable to put a defoaming step in the preparation step. In addition, it is also preferable to use a suspending agent that suppresses viscosity, and further to use a water-repellent vial (particularly a fluorine-coated water-repellent vial). By using a water-repellent vial, handling is improved and generation of bubbles can be suppressed.
- the content of compound (I) or a salt thereof is preferably about 1 to 400 mg, more preferably about 10 to 200 mg, and still more preferably about 50 to 110 mg in the total injection preparation.
- Examples of a method for preparing compound (I) or a salt thereof having an average particle size of the desired primary particles include a wet ball milling method using a medium and a wet pulverization method (such as Manton Gorey) without using a medium.
- a dry pulverization method such as a pulverization method or a jet mill pulverization method is used.
- a freeze pulverization method in liquid nitrogen or under freezing is used.
- the wet milling method is preferably wet ball milling.
- the primary suspension including mixed compound (I) or a salt thereof and a vehicle
- the primary suspension is about 5 to about 15 L Per hour, preferably about 8 to about 12 L / hour, more preferably about 10 L / hour, passed through a single pass (wet ball mill), average particle size of primary particles of compound (I) or a salt thereof
- the diameter is reduced to a desired range, for example, from about 1 to about 5 ⁇ m.
- ball mills eg. Dyno mills
- other low energy mills eg. roller mills
- high energy mills include, for example, Netzsch mills, DC mills and Planetary mills Is used.
- particle size reduction examples include controlled crystallization (aseptic controlled crystallization), high shear homogenization (high shear homogenization), high pressure homogenization (high pressure homogenization) and microfluidics. Examples include microfluidization.
- the injection preparation of the present invention can stably contain secondary particles of compound (I) or a salt thereof having the specific average secondary particle size.
- an injection preparation containing secondary particles having the above-mentioned specific average secondary particle size is more effective after administration than an injection preparation containing primary particles as it is. (Specifically, an excessive increase in blood concentration is not observed, and an equivalent or higher duration of drug effect is exhibited).
- the injectable preparation of the present invention containing the compound (I) or a salt thereof having a secondary particle diameter having the specific average secondary particle diameter
- the secondary particles precipitate when left standing for a long time.
- the precipitate does not agglomerate as it is, and the secondary particles are easily suspended by a simple operation such as gentle stirring or light shaking by hand. Return. Therefore, even if precipitation occurs after storage for a long time, the injection preparation of the present invention can be easily returned to the original suspension and can be suitably injected into a patient as it is.
- the height of the precipitation (Rf value) when the liquid level is 1 is preferably 0.5 or more, more preferably 0.6 or more, and further 0.7 or more. Preferably, 0.8 or more is still more preferable.
- the Rf value is a value measured after thoroughly stirring the injection preparation and leaving it at room temperature for 5 days or more. It is considered that the larger the Rf value, the more difficult it is for the settled particles to form a close-packed state. Therefore, the higher the Rf value, the higher the possibility of an injection preparation having a higher effect of preventing hard cake formation.
- the injection preparation of the present invention preferably has an osmotic pressure ratio close to 1.
- the osmotic pressure ratio is preferably 1 to 2, more preferably 1 to 1.5, still more preferably 1 to 1.2, and still more preferably 1 to 1.1.
- the injectable preparation containing Compound (I) or a salt thereof of the present invention may contain a vehicle for Compound (I) or a salt thereof and water for injection in addition to Compound (I) or a salt thereof which is an active ingredient. preferable.
- the vehicle for the compound (I) or a salt thereof examples include a particle binder, a dispersant (suspending agent), an isotonic agent, a stabilizer, a buffer, a pH adjuster, a solvent, and the like. It is done.
- the injectable preparation of the present invention contains a specific particle binder, whereby the compound (I) or a salt thereof is aggregated to form secondary particles, and the secondary particles can be stably contained. It is important to include a specific particle binder, as it can be preferably done. Other vehicles can be suitably used as long as the effects of the present invention are not impaired.
- Dispersing agents include, for example, sodium carboxymethylcellulose, hydroxypropylcellulose, carboxymethylcellulose, hydroxypropylethylcellulose, hydroxypropylmethylcellulose, and Carbopol 934® (Union Carbide), chloride Cetylpyridinium, gelatin, casein, lecithin (phosphatide), dextran, glycerol, acacia gum, cholesterol, tragacanth, stearic acid, benzalkonium chloride, calcium stearate, glycerol monostearate, cetostegal alcohol, cetomacrogol emulsified wax emulsifying wax), sorbitan esters, polyoxyethylene alkyl ethers (e.g., Macrogol ether such as Setomacrogol 1000), polyoxyethylene castor oil derivatives, dodecyltrimethylammonium bromide, polyoxyethylene stearate, colloidal silicon dioxide, phosphate, sodium dodecyl sulf
- phospholipids such as dimyristoyl phosphatidylglycerol, dioctylsulfosuccinate (DOSS); Tetronic 1508® (T-1508) (BASF Wyandotte Corporation), dialkyl esters of sodium sulfosuccinate ( For example, Aerosol OT®, which is a dioctyl ester of sodium sulfosuccinate (American Cyanamid)); Duponol P®, which is sodium lauryl sulfate (DuPont); Tritons X-200® ), Which is an alkylaryl polyether sulfonate (Rohm and Haas); Crodestas F-110®, It is a mixture of sucrose stearate and sucrose distearate (Croda Inc.); also known as p-isononylphenoxypoly- (glycidol), Olin-10G® or Surfactant 10-G® (Ol
- dispersants are known pharmaceutical excipients and are described in detail in the The Handbooks of Pharmaceuticals Excipients, co-published by the American Pharmaceuticals Association and The Pharmaceuticals of Great Britain (The Pharmaceuticals Excipients). Press, 1986). Moreover, the pharmaceutical excipient
- the concentration of the dispersant is preferably about 0.1 to 45 mg / mL, more preferably about 0.5 to 40 mg / mL, and further preferably about 0.6 to 35 mg / mL in the total injection formulation.
- the content of the dispersing agent is preferably about 0.01 to 10% by weight, more preferably about 0.05 to 8% by weight, and further preferably about 0.06 to 5% by weight in the total injection formulation.
- the content of the dispersant is preferably about 0.01 to 45 parts by weight, more preferably about 0.1 to 40 parts by weight, more preferably about 0.5 to 100 parts by weight of the compound (I) or a salt thereof. More preferred is 35 parts by weight.
- a dispersing agent may also have a function as another additive, and the concentration, content ratio, and content in that case are the sum of the concentration, content ratio, and content of each additive.
- isotonic agents examples include non-electrolyte osmotic pressure regulators such as mannitol, sucrose, maltose, xylitol, glucose, starch, sorbitol, glycerin, propylene glycol; sodium chloride, potassium chloride, sodium sulfate, magnesium chloride, etc. And electrolyte type osmotic pressure adjusting agents. These isotonic agents may be used alone or in combination of two or more.
- sorbitol is preferably used
- aqueous particle binder is used as the binder
- sodium chloride is preferably used.
- sugars or sugar alcohols such as mannitol, trehalose, sucrose, maltose, xylitol, sorbitol and the like are preferable because they can be expected to stabilize the preparation when the produced injection preparation is stored frozen.
- the concentration of the isotonic agent is preferably about 0.1 to 70 mg / mL, more preferably about 0.5 to 60 mg / mL, and further preferably about 1 to 55 mg / mL in the total injection formulation.
- the content of the tonicity agent is preferably about 0.05 to 10% by weight, more preferably about 0.1 to 7% by weight, and further preferably about 0.2 to 5% by weight in the total injection formulation.
- the content of the isotonic agent is preferably about 1 to 70 parts by weight, more preferably about 2 to 60 parts by weight, and more preferably about 4 to 55 parts by weight with respect to 100 parts by weight of the compound (I) or a salt thereof. Is more preferable.
- the tonicity agent may function as other additives, and the concentration, content ratio, and content in that case are the sum of the concentration, content ratio, and content of each additive. .
- the stabilizer examples include ascorbic acid, ascorbic acid derivatives (for example, erythrobic acid, sodium ascorbate), methionine, and the like.
- the methionine may be any of D form, L form, and racemic form (DL form).
- the concentration of the stabilizer is preferably about 0.1 to 5 mg / mL, more preferably about 0.5 to 4 mg / mL, and further preferably about 1 to 3 mg / mL in the total injection formulation.
- the content of the stabilizer is preferably about 0.01 to 5% by weight, more preferably about 0.05 to 2% by weight, and further preferably about 0.1 to 0.5% by weight in the total injection formulation. .
- the content of the stabilizer is preferably about 0.1 to 5 parts by weight, more preferably about 0.5 to 4 parts by weight, and more preferably about 0.1 to 100 parts by weight of the compound (I) or a salt thereof. 1 to 3 parts by weight is more preferable.
- a stabilizer may have a function also as another additive, and the concentration, content ratio, and content in that case are the sum of the concentration, content ratio, and content of each additive.
- buffer examples include sodium phosphate, potassium phosphate, TRIS buffer, sodium hydrogen phosphate, sodium dihydrogen phosphate, trisodium phosphate, or hydrates thereof, and more specifically.
- the content and content of the buffering agent are such that the pH of the injection preparation containing Compound (I) or a salt thereof is the pH described below (preferably about 4 to 9, more preferably about 4.5 to 8.5, more preferably). Is used in an amount adjusted to about 5-8).
- the content of the buffering agent is appropriately changed depending on the type of the buffering agent, etc., for example, about 0.01 to 10 mg / mL is preferable in the total injection formulation, and more preferably about 0.1 to 7 mg / mL. More preferably, about 0.2 to 5 mg / mL.
- the content of the buffering agent is appropriately changed depending on the type of the buffering agent, etc., and is preferably about 0.01 to 10 parts by weight, for example, with respect to 100 parts by weight of compound (I) or a salt thereof. 0.1 to 5 parts by weight is more preferred, and about 0.2 to 3 parts by weight is even more preferred.
- an acidic pH adjuster for example, when the pH of the injection preparation is high and the pH is set low, an acidic pH adjuster is used, and for example, hydrochloric acid, acetic acid, citric acid and the like are used. Preferably hydrochloric acid is used.
- a basic pH adjuster for example, sodium hydroxide, potassium hydroxide, calcium carbonate, magnesium oxide or magnesium hydroxide.
- Sodium hydroxide is preferably used.
- pH adjusters may be used alone or in combination of two or more.
- the content and the content of the pH adjusting agent are determined according to the pH of the injection preparation containing Compound (I) or a salt thereof, which will be described later (preferably about 4 to 9, more preferably about 4.5 to 8.5. It is preferably used in an amount adjusted to about 5 to 8), and an acid or a base is appropriately selected in order to obtain the desired pH.
- a suspension is obtained by suspending the compound (I) or a salt thereof and a vehicle for the compound (I) or a salt thereof in water for injection.
- a vehicle for the compound (I) or a salt thereof in water for injection.
- Sterilized water (pure water) is used as the water for injection.
- the water for injection is preferably about 0.7 to 1 mL, more preferably about 0.8 to 0.9 mL in 1 mL of the total injection formulation.
- the above suspension can be used as it is as an injection preparation.
- the pH of the obtained injection preparation is preferably about 4 to 9, more preferably about 4.5 to 8.5, and still more preferably about 5 to 8.
- a stable suspension with a reduced amount of drug dissolved in the injection solvent can be preferably prepared.
- a stable suspension with reduced irritation can be preferably prepared.
- the compound (I) or a salt thereof and a vehicle for the compound (I) or a salt thereof used in the injection preparation of the present invention may be a lyophilized product or a powder mixture.
- a freeze-dried product for example, the compound (I) or a salt thereof and a vehicle for the compound (I) or a salt thereof are suspended in water, and then the suspension is freeze-dried. Can be obtained.
- the content rate of compound (I) or its salt, and a vehicle in a freeze-dried material or a powder mixture is suitably adjusted so that it may become said content rate by adding water for injection after that.
- the lyophilized product or powder mixture can be made into an injectable preparation by adding water for injection at the time of use.
- the method for producing the injection preparation of the present invention is not particularly limited.
- an aqueous particle binder is used as the particle binder, a step of obtaining an injection solution by dissolving a vehicle in water for injection is obtained.
- the compound (I) or a salt thereof can be further suspended in an injection solution.
- an oily particle binder as the particle binder, for example, a step of obtaining an injection solution by dissolving a vehicle in water for injection and adding an oily particle binder filtered through a sterilized lipophilic filter, and the obtained injection Compound (I) or a salt thereof can be further blended in the solution, and the solution can be produced by a stirring heat treatment step.
- An injection preparation containing the compound (I) or a salt thereof of the present invention is less likely to cause compliance problems in patients and can be preferably administered to deliver a drug.
- ionizing radiation irradiation with electron beam or ⁇ -ray, aseptic crystallization, UV irradiation, sterilization with autoclave, etc., gas sterilization with ethylene oxide or hydrogen peroxide, Suspension particle filtration sterilization, aseptic operation in a clean bench, etc. are used.
- the vehicle particles binder, dispersant (suspending agent), tonicity agent, stabilizer, buffer, pH adjuster, solvent) and water are preferably sterilized by autoclaving or filtration after preparation.
- the preparation containing the compound (I) or a salt thereof of the present invention is preferably used for treating schizophrenia and related disorders (for example, bipolar disorder and dementia) in human patients.
- a preferred dosage used for the injection formulation of the present invention is, for example, a single injection or multiple injections containing about 50-150 mg / mL of compound (I) or a salt thereof per month.
- injectable preparations are preferably administered intramuscularly, but subcutaneous injections are acceptable as well.
- the injection preparation of the present invention is useful as a depot (long-acting injection preparation) because the sustained release period of compound (I) or a salt thereof into the body is long. In addition, it is less irritating and excellent in stability. Moreover, since the irritation becomes large when the needle penetration is poor, it is preferable that the needle penetration is good.
- the injection preparation of the present invention it is possible to administer a therapeutic amount of the above-mentioned continuous injection preparation to a patient in need of treatment, and to treat a central nervous disease.
- central nervous system diseases to be treated with an injection preparation containing a dihydrate of the benzothiophene compound of the present invention include schizophrenia, treatment resistance, refractory or chronic schizophrenia, emotional disorder, psychosis Disorder, mood disorder, bipolar disorder (eg bipolar type I disorder and bipolar type II disorder), mania, depression, endogenous depression, major depression, melancholic and treatment-resistant depression, mood modulation disorder , Mood circulatory disorder, anxiety disorder (eg panic attack, panic disorder, agoraphobia, social phobia, obsessive compulsive disorder, post-traumatic stress disorder, generalized anxiety disorder, acute stress disorder), physical expression disorder (eg hysteria) , Somatic disorder, conversion disorder, pain disorder, psychosis), false disorder, dissociative disorder, sexual disorder (eg, sexual dysfunction, sexual desire disorder, sexual arousal disorder, erectile dysfunction), intake Eating disorders ( For example, anorexia nervosa, bulimia nervosa), sleep disorders, adaptation disorders,
- Cognitive impairment associated with neurodegenerative disease BPSD associated with dementia (Behavioralchand Psychological Symptoms of Dementia), cognitive impairment of schizophrenia, treatment resistance, refractory or cognitive impairment due to chronic schizophrenia, vomiting, motion sickness
- Various disorders of the central nervous system such as obesity, migraine, pain, mental retardation, autistic disorder (autism), touret disorder, tic disorder, attention deficit / hyperactivity disorder, behavioral disorder and Down's syndrome It is very effective in the improvement of these central nervous system disease.
- An example of a particularly preferred particle binder formulation of the injection preparation of the present invention includes (i) sodium chloride, (ii) polyoxyethylene sorbitan fatty acid ester, block copolymer of ethylene oxide and propylene oxide, and polyethylene glycol. And a prescription containing at least one selected from the above.
- (ii) is more preferably at least one selected from the group consisting of polyoxyethylene sorbitan fatty acid esters and polyethylene glycol.
- the formulation of the particle binder is preferable.
- Compound (I) or a salt thereof By containing Compound (I) or a salt thereof, or Compound (I) or a salt thereof and sodium chloride, Compound (I) or a salt thereof can preferably form secondary particles, but needle penetration is not so good.
- the component (ii) serves to improve needle penetration, and for this purpose, it is particularly preferable to use a combination of (i) sodium chloride and the component (ii) as a particle binder.
- the injectable preparation of the present invention precipitates the secondary particles of compound (I) or a salt thereof when left standing for a long time, but does not agglomerate as it is and is gently stirred.
- a prefilled syringe in which the injection preparation is prefilled in a syringe is particularly useful in clinical settings. Useful in. That is, the prefilled syringe prefilled with the injectable preparation easily returns to the original suspension by shaking lightly by hand, etc. It can be said to be a simple and convenient prefilled syringe.
- the present invention also includes such a prefilled syringe and a kit including the prefilled syringe.
- the present invention it is useful as a sustained-injection preparation that releases Compound (I) or a salt thereof in an effective therapeutic amount for at least one week as a drug administration form having a long-acting effect of Compound (I) or a salt thereof. is there.
- the injection preparation of the present invention is superior in sustainability after administration as compared with the injection preparation containing Compound (I) or a salt thereof as primary particles (specifically, an excessive increase in blood concentration is observed). And the sustainability of the medicinal effect is equivalent or better).
- the secondary particles of compound (I) or a salt thereof precipitate when left standing for a long time, they do not agglomerate as they are, and they can be simply stirred or shaken lightly by hand.
- the injectable preparation of the present invention can be easily returned to the original suspension even if precipitation occurs after storage for a long time (for example, 5 days or longer), and can be suitably injected into a patient as it is. Can do.
- FIG. 2 is a 1 H-NMR spectrum of a benzothiophene compound represented by the general formula (I) synthesized in Production Example 1.
- 3 is an X-ray powder diffraction pattern of a dihydrate of a benzothiophene compound represented by general formula (I) synthesized in Production Example 1.
- FIG. 2 is an infrared absorption spectrum of a dihydrate of a benzothiophene compound represented by the general formula (I) synthesized in Production Example 1.
- 2 is a Raman spectrum of a dihydrate of a benzothiophene compound represented by general formula (I) synthesized in Production Example 1.
- FIG. 2 is a 1 H-NMR spectrum of a benzothiophene compound represented by the general formula (I) synthesized in Production Example 2.
- FIG. 3 is an X-ray powder diffraction pattern of a dihydrate of a benzothiophene compound represented by the general formula (I) synthesized in Production Example 2.
- FIG. 2 is an infrared absorption spectrum of a dihydrate of a benzothiophene compound represented by the general formula (I) synthesized in Production Example 2.
- 2 is a Raman spectrum of a dihydrate of a benzothiophene compound represented by general formula (I) synthesized in Production Example 2.
- FIG. 2 is a Raman spectrum of a dihydrate of a benzothiophene compound represented by the general formula (I) synthesized in Production Example 3.
- FIG. 4 is an infrared absorption spectrum of an anhydride of a benzothiophene compound represented by General Formula (I) synthesized in Production Example 4. In Experiment 1, it is a graph which shows the average blood concentration versus time profile at the time of injecting each injection formulation which uses the compound (I) of Example 1 and 2 as an active ingredient, respectively.
- Experiment 2 it is a graph which shows the average blood concentration versus time profile at the time of injecting each injection formulation which uses the compound (I) of Example 3 and 4 as an active ingredient to a rat, respectively.
- Experiment 3 it is a graph which shows the average blood concentration versus time profile at the time of injecting each injection formulation of Example A and B and Comparative Example A and B to a rat, respectively.
- FIG. 7 is a graph showing average blood concentration versus time profile when each of the injection preparations of Examples C to F was injected into a rat in Test Example 4.
- FIG. In Experiment 5 it is a graph which shows the result of having measured Rf value of each Example.
- FIG. 1 shows the 1 H-NMR spectrum (DMSO-d 6 , TMS) of the 1 H-NMR spectrum (DMSO-d 6 , TMS) of the dihydrate prepared by the above method.
- FIG. 2 shows a powder X-ray diffraction spectrum.
- FIG. 3 shows the IR (KBr) spectrum.
- the IR (KBr) spectrum has absorptions in the vicinity of wave numbers 3509 cm ⁇ 1 , 2934 cm ⁇ 1 , 2812 cm ⁇ 1 , 1651 cm ⁇ 1 , 1626 cm ⁇ 1 , 1447 cm ⁇ 1 , 1223 cm ⁇ 1 and 839 cm ⁇ 1. Admitted.
- FIG. 4 shows the Raman spectrum. As shown in FIG. 4, the Raman spectrum showed absorption near wave numbers 1497 cm ⁇ 1 , 1376 cm ⁇ 1 , 1323 cm ⁇ 1 , 1311 cm ⁇ 1 , 1287 cm ⁇ 1 , 1223 cm ⁇ 1 , and 781 cm ⁇ 1 .
- the water content of the dihydrate prepared by the above method was measured by the Karl Fischer method using a moisture measuring device (CA-100) manufactured by Mitsubishi Chemical Analytech Co., Ltd. As a result, the water content of the obtained dihydrate was 7.79% by weight.
- Production Example 2 (Preparation of finely pulverized dihydrate) 2.73 kg of the dihydrate crystal obtained in Production Example 1 was pulverized using a jet mill. At this time, the air pressure was set to 5 kgf / cm 2 and the feeding machine feed rotation speed was set to 20 rpm. 7- [4- (4-Benzo [b] thiophen-4-yl-piperazin-1-yl) -butoxy] -1H-quinolin-2-one dihydrate finely pulverized 2.61 kg (95.6 %).
- the average particle size of the dihydrate (finely pulverized product) thus obtained was 5.5 ⁇ m.
- the average particle size was measured by Nikkiso Microtrac HRA.
- FIG. 5 shows the 1 H-NMR spectrum (DMSO-d 6 , TMS) of the 1 H-NMR spectrum (DMSO-d 6 , TMS) of the dihydrate prepared by the above method.
- FIG. 7 shows the IR (KBr) spectrum.
- the IR (KBr) spectrum has absorptions in the vicinity of wave numbers 3507 cm ⁇ 1 , 2936 cm ⁇ 1 , 2812 cm ⁇ 1 , 1651 cm ⁇ 1 , 1626 cm ⁇ 1 , 1447 cm ⁇ 1 , 1223 cm ⁇ 1 and 839 cm ⁇ 1. Admitted.
- FIG. 8 shows the Raman spectrum. As shown in FIG. 8, the Raman spectrum showed absorption near wave numbers 1496 cm ⁇ 1 , 1376 cm ⁇ 1 , 1323 cm ⁇ 1 , 1311 cm ⁇ 1 , 1286 cm ⁇ 1 , 1223 cm ⁇ 1 , and 781 cm ⁇ 1 .
- the water content of the dihydrate prepared by the above method was measured by the Karl Fischer method using a moisture measuring device (CA-100) manufactured by Mitsubishi Chemical Analytech Co., Ltd. As a result, the water content of the obtained dihydrate was 6.74% by weight.
- the mixture was poured into a solution of 1.48 kg of sodium hydroxide and 135 L of water cooled to 1 ° C. over about 15 minutes with stirring to prepare a pH 11 mixture. Thereafter, the mixture was stirred at about 2 to 5 ° C. for 3 hours, then heated to 45 ° C., further stirred at 45 to 50 ° C. for 2 hours, and solid-liquid separation was performed. The resulting solid was washed with water (200 L) until there was no alkali (specifically, until the pH of the filtrate reached 7). Furthermore, it wash
- the obtained hydrate was the same compound as in Production Example 1.
- FIG. 9 shows the Raman spectrum. As shown in FIG. 9, the Raman spectrum showed absorption near wave numbers 1497 cm ⁇ 1 , 1376 cm ⁇ 1 , 1323 cm ⁇ 1 , 1311 cm ⁇ 1 , 1287 cm ⁇ 1 , 1223 cm ⁇ 1 , and 782 cm ⁇ 1 .
- 1 H-NMR of the anhydride obtained above was measured by the same method as in Production Example 1.
- the 1 H-NMR spectrum (DMSO-d 6 , TMS) is shown in FIG.
- powder X-ray diffraction of the anhydride obtained above was measured by the same method as in Production Example 1.
- the powder X-ray diffraction spectrum is shown in FIG.
- FIG. 12 shows an IR (KBr) spectrum.
- the moisture content of the anhydride prepared by the above method was measured by the same method as in Production Example 2.
- the moisture content of the obtained anhydride was 0.04% by weight.
- Example 1 (Preparation of Injectable Formulation Using Compound (I) Anhydride as Active Ingredient Using Aqueous Particle Binder)
- polyethylene glycol 400 8640 mg
- DL-methionine 750 mg
- sodium dihydrogen phosphate dihydrate 226 mg
- disodium hydrogen phosphate dodecahydrate 176 mg
- polysorbate 80 90 mg
- the resulting solution was placed in a clean bench (Bioclean Bench, MCV-B161F, manufactured by Biomedic Co., Ltd.) in a polyethylenesulfone (PES) filter (Millipore Express PLUS high flow rate, 73 mm / 0.22 ⁇ m, SCGP U11 RE, manufactured by Nihon Millipore Corporation).
- PES polyethylenesulfone
- 30000 mg of compound (I) anhydride was added to the solution passed through the filter in the clean bench, suspended using a stirrer, and further pH adjusted to about 7 using 1 or 5N sodium hydroxide passed through the PES filter. Adjusted.
- the volume of the solution obtained with a graduated cylinder was measured, and a part (0.5 mL) was collected. After the content of compound (I) was measured by HPLC method, it was adjusted with water for injection so that the concentration of compound (I) was 100 mg / mL.
- the vial ( ⁇ 23 ⁇ 35, caliber 13 mm, Iwata Glass Industry Co., Ltd.) was filled and autoclaved (121 ° C., 20 minutes) to obtain an injection preparation.
- the obtained injection preparation had a pH of 6.54.
- the particle size of the compound (I) anhydride in the obtained injection preparation was measured with a laser diffraction particle size distribution measuring apparatus (Laser diffraction Particle s Size s Analyzer s SALD-3000J or SALD-3100) manufactured by Shimadzu Corporation. More specifically, using a circulation cell, using water as the medium, the average particle diameter measured while circulating is the average secondary particle diameter, and in addition to the same conditions, the measurement medium is irradiated with ultrasonic waves during measurement. The average particle diameter measured and measured was defined as the average primary particle diameter. (The same shall apply hereinafter.)
- the average secondary particle size of Compound (I) anhydride is 10.480 ⁇ m, and it is confirmed that the particles of Compound (I) anhydride are aggregated to form secondary particles. did it.
- Example 2 Preparation of an injection preparation containing Compound (I) dihydrate as an active ingredient using an aqueous particle binder
- An injection preparation was obtained in the same manner as in Example 1, except that Compound (I) dihydrate was used in place of Compound (I) anhydride, and autoclave treatment was not performed.
- the obtained injection preparation had a pH of 7.08.
- the particle size of compound (I) dihydrate in the obtained injection preparation was measured by the same method as in Example 1.
- the average particle size of the compound (I) dihydrate was 9.819 ⁇ m, and it was confirmed that the particles of the compound (I) dihydrate were aggregated to form secondary particles.
- Table 1 shows the prescriptions of the injection preparations obtained in Examples 1 and 2 and the prescription amounts (that is, the composition of the injection preparations).
- Example 2 was prepared again by the same method (Example 2b), and at the same time, an injection preparation (Example 2c) in which the amount of sodium chloride was changed to 10 mg / mL instead of 5 mg / mL, and the example To prepare an injection preparation (Example 2a) from which polyethylene glycol was omitted. That is, preparations (Examples 2a, 2b, and 2c) as shown in Table 2 below were prepared. Furthermore, about Example 2a, 2b, 2c, it left still for one month at 60 degreeC, and the dispersibility and redispersibility were examined. Moreover, the average primary particle diameter and the average secondary particle diameter were measured before and after standing. These results are also shown in Table 2.
- the value described in the column of “dispersibility (60 ° C./1 M, Rf)” is the height of the precipitate formed when each injection preparation was allowed to stand at 60 ° C. for 1 month. Indicates how many times the face is hit. That is, the ratio of the height of precipitation when the liquid level is 1 is shown. (It shows that 60 degreeC / 1M left still for one month at 60 degreeC.)
- “ ⁇ ” described in the “Redispersibility (60 ° C./1M)” column indicates that any injection preparation can be left at 60 ° C. for 1 month to precipitate, and then easily shaken by hand. It shows that it returned to the original suspension after redispersion.
- Example 3 (Preparation of Injectable Formulation Using Compound (I) Anhydride as Active Ingredient Using Oil-Based Particle Binder)
- Carboxymethyl cellulose was weighed (15000 mg) and added to a 300 mL beaker. 120 mL of water for injection was added and dissolved at 50 ° C. using a homogenizer (OMNI TH, OMNI International). Next, sorbitol (75000 mg), sodium dihydrogen phosphate dihydrate (117 mg), and polysorbate 80 (150 mg) were weighed and added to a 300 mL beaker and stirred thoroughly.
- PES polyethersulfone
- PTFE polytetrafluoroethylene
- Benzyl benzoate through Millipore was added and the weight of the volumetric flask was weighed. Based on the density calculated from the weighing results, the benzyl benzoate to be added was estimated, and the required amount of benzyl benzoate was added to the solution passed through the PES filter and mixed well.
- Compound (I) anhydride (16215 mg) weighed in a clean bench was further added, and the pH was adjusted to about 7 using 1 or 5N sodium hydroxide passed through a PES filter. The volume was measured with a graduated cylinder, and a part (0.5 mL) was collected. After measuring the content of compound (I) by HPLC, the volume was adjusted with water for injection so that the concentration of compound (I) was 100 mg / mL. The obtained injection preparation had a pH of 6.95.
- the particle size of the compound (I) anhydride in the injection preparation was measured by the same method as in Example 1.
- the average particle size of Compound (I) anhydride was 13.237 ⁇ m, and it was confirmed that Compound (I) anhydride particles were aggregated to form secondary particles.
- Example 4 Preparation of an injection preparation containing Compound (I) dihydrate as an active ingredient using an oily particle binder
- An injection preparation was obtained in the same manner as in Example 3 except that Compound (I) dihydrate was used in place of Compound (I) anhydride.
- pH of the obtained injection formulation was 7.06.
- the particle size of compound (I) dihydrate in the injection preparation was measured by the same method as in Example 1.
- the average particle size of Compound (I) dihydrate was 8.025 ⁇ m, and it was confirmed that the particles of Compound (I) dihydrate were aggregated to form secondary particles.
- Table 3 shows the prescriptions and prescription amounts of the injection preparations obtained in Examples 3 and 4.
- Example 4 was prepared again by the same method (Example 4b), and at the same time, the amount of benzyl benzoate used was not 0.6 mg / mL but 0.6 mg / mL (Example 4a) or 1.
- the injection formulation was prepared in the same manner except that the conditions were changed to 0 mg / mL (Example 4c). That is, preparations (Examples 4a, 4b, and 4c) as shown in Table 4 below were prepared. Furthermore, about Example 4a, 4b, 4c, it left still at 60 degreeC for 1 month, and investigated the dispersibility and redispersibility. Moreover, the average primary particle diameter and the average secondary particle diameter were measured before and after standing. These results are also shown in Table 2.
- Example 1a and Example 3 were prepared again (Examples 1a and 3a) and their average particle diameters were measured, Example 1a had an average primary particle diameter of 5.0 ⁇ m and an average secondary particle size. The particle diameter was 10.3 ⁇ m, and Example 3a had an average primary particle diameter of 3.9 ⁇ m and an average secondary particle diameter of 15.1 ⁇ m.
- Example 5 Except for the point of using Compound (I) dihydrate in place of Compound (I) anhydride and the point that benzyl alcohol was 10 mg / mL instead of benzyl benzoate 0.3 mg / mL, An injection preparation was prepared in the same manner as in Example 3.
- the average secondary particle diameter of Compound (I) dihydrate in the injectable preparation was 6.9 ⁇ m, and the average primary particle diameter was 2.3 ⁇ m. Therefore, it was confirmed that the particles of the compound (I) dihydrate aggregated to form secondary particles. Furthermore, when the injectable preparation was allowed to stand at room temperature for 4 days, precipitation occurred, but it was easily returned to the original suspension by simply shaking it by hand.
- Test Examples 1 and 2 Each injection formulation containing Compound (I) anhydride or Compound (I) dihydrate prepared in Examples 1 to 4 as an active ingredient was injected into the lower leg muscle of male rats at a dose of 25 mg / kg. .
- blood samples were collected 0.25, 1, 3, 6, 9, 14, 21, and 28 days after administration, and compound (I) in the blood was collected. ) was measured.
- FIG. 13 shows the mean blood concentration-time profile obtained as a result of administration of the injection preparations prepared in Examples 1 and 2
- FIG. 14 shows the result of administration of the injection preparations prepared in Examples 3 and 4.
- the mean blood concentration-time profile is also shown. From FIG. 13 and FIG. 14, the blood concentration of Compound (I) persists for at least 28 days when any injection formulation using Compound (I) anhydride and dihydrate is administered. all right.
- Test Example 2 FIG. 14
- Test example 3 Injectable preparations (Example A and Example B) having the formulations shown in Table 5 below were prepared in the same manner as in Examples 3 and 4, respectively.
- freeze-dried injection preparations having the formulations shown in Table 6 below were prepared by the method described in Examples of JP2012-232958A. (The contents of this publication are incorporated herein by reference.) The preparation was performed on a 100 mL scale.
- Examples A and B and Comparative Examples A and B were injected into the lower leg muscles of male rats at a dose of Compound (I) 25 mg / kg.
- Compound (I) 25 mg / kg.
- blood samples were collected 0.25, 1, 3, 6, 9, 14, 21, and 28 days after administration, and the compound ( The concentration of I) was measured.
- the freeze-dried injection preparations of Comparative Examples A and B are preparations in which compound (I) or a salt thereof does not form a secondary particle size.
- FIG. 15 shows the results obtained in a graph. From FIG. 15, the compound (I) or a salt thereof is an injection preparation of the present invention in which secondary particles having a specific particle size are formed. It was found that the burst was kept low and the medicinal durability was good.
- Test example 4 Injectable preparations (Example C to Example F) having the formulations shown in Table 7 below were prepared in the same manner as in Example 2.
- Examples Examples CF were then injected into the lower leg muscles of male rats at a dose of 25 mg / kg of Compound (I).
- For evaluation of compound (I) migration into the blood after administration blood samples were collected 0.25, 1, 3, 6, 9, 14, 21, and 28 days after administration, and the compound ( The concentration of I) was measured.
- FIG. 16 is a graph showing the results obtained.
- Table 8 shows C max and AUC 28 day when each Example was administered.
- Test Example 5 In the same manner as in Example 2, each vehicle component was dissolved in water for injection, Compound (I) dihydrate was suspended in the resulting injection solution, and each injection preparation having the formulation described in Tables 9 to 12 ( Examples G-1 to G-6, Examples H-1 to H-6, Examples I-1 to I-6, and Examples J-1 to J-6) were prepared.
- Table 13 shows the results of measuring the Rf value (precipitation height when the liquid level is 1) in each example.
- the Rf value is a value obtained when each example is left for 5 days with vibration at room temperature.
- the test tubes and vibration tester used for the examination are as follows. ⁇ Test tube filled with each example> Thread test tube NR-10 (Maruemu Co., Ltd.) Material (body): Borosilicate glass, Length: 105mm Shape: round bottom, Capacity: 12mL, Body diameter ( ⁇ ) x Height: ⁇ 16.5mm x 105mm ⁇ Vibration tester with each test tube> Xinjiang Industrial Co., Ltd.
- Air Conditioner DH-14 (Used as a vibrator by installing a test tube filled with injection preparation on the air conditioner.) When the vibration of the air conditioner was measured using a vibration level meter (Rion Corporation vibration level meter VM-53A), there was a vibration of 68 dB in the X-axis direction, 76 dB in the Y-axis direction, and 90 dB in the Z-axis direction.
- a vibration level meter Roon Corporation vibration level meter VM-53A
- the Rf value measurement condition is a severe condition compared with the stationary condition because it is considered that the precipitation becomes dense and the hard cake formation is promoted by applying the vibration.
- FIG. 17 shows a graph of Table 13.
- PS80 represents polysorbate 80
- PEG represents macrogol 400
- F68 represents polyoxyethylene (160) polyoxypropylene (30) glycol (PluronicroF68).
- (+) described after each component indicates that the component is included, and ( ⁇ ) indicates that the component is not included.
- Table 14 The same applies to Table 14 below.
- Test Example 6 The injection preparations of Examples G-1 to G-6, Examples H-1 to H-6, Examples I-1 to I-6, and Examples J-1 to J-6 were as follows. The needle penetration was examined.
- Examples G-1 to G-6, Examples H-1 to H-6, Examples I-1 to I-6, and Examples J-1 to J-6 were placed while being vibrated for 5 days after preparation.
- the precipitate was redispersed by inversion.
- the precipitate was redispersed satisfactorily by mixing once by inversion.
- each of the injection preparations of each example was filled in a syringe with a 27G ⁇ 1.5 inch (Terumo Corporation) injection needle, and it was examined whether it could be injected into the extracted muscle (chicken thigh meat).
- the results are shown in Table 14.
- an injection preparation in which the entire amount was injectable was indicated by a
- an injection preparation in which the entire amount could not be injected due to clogging was indicated by b.
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Abstract
Description
項1.
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩の粒子(一次粒子)が凝集してなる二次粒子を含み、
前記二次粒子の平均粒子径(平均二次粒子径)が1~50μmであり、
前記二次粒子が、分散されて含まれる、
水性懸濁液。
項2.
前記7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩の粒子の平均一次粒子径が0.1~20μmである、
項1に記載の水性懸濁液。
項3.
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オンを0.1~40重量%含有する、
項1又は2に記載の水性懸濁液。
項4.
項1~3のいずれかに記載の水性懸濁液を含む注射製剤。
項5.
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩、粒子結合剤、及び注射用水を含み、
前記粒子結合剤は、塩化ナトリウム、ポリオキシエチレンソルビタン脂肪酸エステル、エチレンオキサイド及びプロピレンオキサイドのブロックコポリマー、ポリエチレングリコール、トコフェロール、トコトリエノール及びそのエステル、酢酸トコフェロール、トコフェロールサクシネート、ベンジルアルコール、低水溶性ポリオキシエチレンジオールジ安息香酸エステル、低水溶性ポリオキシエチレンジオールジメチルスルホン酸及びそのエステル、並びに安息香酸ベンジルからなる群より選択される少なくとも1種である、
注射製剤。
項6.
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩が、二次粒子を形成しており、
該二次粒子の平均二次粒子径が1~50μmである、
項5に記載の注射製剤。
項7.
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩が、注射用水に懸濁されて含まれる、
項5又は6に記載の注射製剤。
項8.
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩が、沈殿して含まれる、
項5又は6に記載の注射製剤。
項9.
粒子結合剤が、塩化ナトリウム、ポリオキシエチレン(20)ソルビタンオレイン酸エステル、ポリオキシエチレン(160)ポリオキシプロピレン(30)グリコール、平均分子量200~6000のポリエチレングリコール、ベンジルアルコール及び安息香酸ベンジルからなる群より選択される少なくとも1種である、項5~8のいずれかに記載の注射製剤。
項10.
注射製剤のpHが5~8である、項4~9のいずれかに記載の注射製剤。
項11.
統合失調症、双極性障害、又はうつの治療または再発予防用である、項4~10のいずれかに記載された注射製剤。
項12a.
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩が、
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オンの二水和物である、
項1~3のいずれかに記載の水性懸濁液。
項12b.
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩が、
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オンの二水和物である、
項4~11のいずれかに記載の注射製剤。
項13a.
粒子結合剤として、ポリオキシエチレンソルビタン脂肪酸エステル及びポリエチレングリコールからなる群より選択される少なくとも1種を含む、請求項12aに記載の水性懸濁液。
項13b.
粒子結合剤として、ポリオキシエチレンソルビタン脂肪酸エステル及びポリエチレングリコールからなる群より選択される少なくとも1種を含む、請求項12bに記載の注射製剤。
項14.
項4~11、項12b及び項13bのいずれかに記載の注射製剤がプレフィルドされた、プレフィルドシリンジ。
項A.7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩を有効成分として含む注射製剤であって、該製剤は有効成分を治療有効血中濃度が少なくとも1週間以上持続するよう放出する、注射製剤。
項B.さらに結合剤を含有する項Aに記載の注射製剤。
項C.注射製剤のpHが5~8である項A又はBに記載の注射製剤。
これらの粒子結合剤は、1種単独で用いてもよく、また2種以上を併用してもよい。2種以上を併用する場合においては、水性粒子結合剤から2種以上を併用するか、油性粒子結合剤から2種以上を併用することが、より好ましい。また、水性粒子結合剤のみを併用すること又は油性粒子結合剤のみを併用することが好ましい。
化合物(I)の無水物又は化合物(I)の塩の無水物という意味であり、「化合物(I)又はその塩の溶媒和物(例えば水和物)」とは、化合物(I)の溶媒和物(例えば水和物)又は化合物(I)の塩の溶媒和物(例えば水和物)という意味である。
(1)アルコール及び水混合溶液(好ましくはエタノール及び水混合溶液)中に、酸(好ましくは酢酸及び乳酸よりなる群から選ばれる少なくとも1種の有機酸)、及び化合物(I)を混合し、酸性の混合溶液を調製する工程、
(2)前記工程で得られた溶液を冷却する工程、及び
(3)工程(2)で冷却した溶液に、アルカリ(例えば水酸化ナトリウム、水酸化カリウム等)を配合してpH7以上に調整する工程
を含む製造方法によって得られる。より詳細には、化合物(I)の二水和物は、例えば以下の方法(A)又は(B)によって調製され得る。
(a1)エタノール及び水混合溶液中に、酢酸、及び化合物(I)を混合し、酸性の混合溶液を調整する工程、(a2)工程(a1)で得られた溶液を4℃以下に冷却する工程、及び
(a3)冷却した溶液を、水酸化ナトリウム、水酸化カリウム等のアルカリを用いてpH7以上に調整する工程。
(b1)エタノール及び水混合溶液中に、乳酸、及び化合物(I)を混合し、酸性の混合溶液を調製する工程、(b2)工程(b1)で得られた溶液を4℃以下に冷却する工程、並びに
(b3)冷却した溶液を、水酸化ナトリウム、水酸化カリウム等のアルカリを用いてpH7以上に調整する工程。
一般式(I)で示されるベンゾチオフェン化合物の二水和物は、モノクロメーターを通したλ=1.5418Åの銅放射線を用いて測定されたX線粉末回折パターンによって同定される。前記X線粉末回折パターンにより、本発明の一般式(I)で示されるベンゾチオフェン化合物の二水和物は、図2に示されるピークを有し、下記に示す回折角(2θ)において特徴的なピークを有する。これらのピークは、公知の一般式(I)で示されるベンゾチオフェン化合物(無水物形態)についての前記X線粉末回折パターンで示されるピークと異なる特徴的なピークである。
8.1°
8.9°
15.1°
15.6°
24.4°
また、本発明の一般式(I)で示されるベンゾチオフェン化合物の二水和物は、上記のピーク以外にも、図2に示すように、下記に示す回折角(2θ)においてピークを有する。
11.6°,12.2°,14.0°,16.3°,18.1°,18.4°,18.9°,19.5°,20.5°,21.5°,22.6°,23.3°,25.0°,26.1°,26.4°,27.1°,28.1°,28.5°,28.9°,29.8°,30.4°,30.7°,31.6°,32.9°,33.9°,34.4°,35.2°,36.0°,36.7°,37.4°,38.3°
なお、前記の回折角(2θ)は、測定機器や測定条件等により、-0.2~+0.2°の誤差が生じる可能性があるが、本発明においては、当該誤差は、許容範囲として含まれる。
一般式(I)で示されるベンゾチオフェン化合物の二水和物は、臭化カリウム錠剤法によって測定された赤外吸収スペクトルによって同定される。前記赤外吸収スペクトルにおいて、本発明の一般式(I)で示されるベンゾチオフェン化合物の二水和物は、図3に示されるスペクトルを有し、下記に示す波数(cm-1)にピークを有する。
3509cm-1
2934cm-1
2812cm-1
1651cm-1
1626cm-1
1447cm-1
1223cm-1
839cm-1
また、本発明の一般式(I)で示されるベンゾチオフェン化合物の二水和物は、上記のピーク以外にも、図3に示すような波数においてピークを有する。
1497cm-1
1376cm-1
1323cm-1
1311cm-1
1287cm-1
1223cm-1
781cm-1
また、当該二水和物は、上記のピーク以外にも、図4に示すように、下記に示す波数付近においてピークを有する。
1656cm-1、1613cm-1、1563cm-1、1512cm-1、1468cm-1、1446cm-1、1241cm-1、1203cm-1、1145cm-1、1096cm-1、1070cm-1、971cm-1、822cm-1、
・水分量
一般式(I)で示されるベンゾチオフェン化合物の二水和物の水分量は、6.5~8.8重量%、より具体的には、7.3~8.1重量%である。なお、水分量は、カールフィッシャー法の水分測定によって測定される。
一般式(I)で示されるベンゾチオフェン化合物の二水和物は、1H-NMR測定によって測定されたピークによって同定される。本発明の一般式(I)で示されるベンゾチオフェン化合物の二水和物は、図1に示される1H-NMRスペクトルを有し、下記実施例1において測定された1H-NMRのプロトンピークを有する。
メタノール149L、7-ヒドロキシ-1H-キノリン-2-オン14.87kg、及び水酸化カリウム6.21kgを混合し、得られた混合物を攪拌した。溶解後、1-ブロモ-4-クロロブタン47.46kgを配合し、還流下7時間攪拌した。その後、10℃で1時間攪拌した。析出晶を遠心分離し、メタノール15Lで洗浄後、wet晶を取り出しタンクに仕込んだ。水149Lを加え、室温で攪拌した。遠心分離し、水30Lで洗浄後、wet晶を取り出しタンクに仕込んだ。メタノール74Lを加え、還流下1時間攪拌した後、10℃に冷却し攪拌した。析出晶を遠心分離し、メタノール15Lで洗浄した。分離晶は60℃で乾燥し、7-(4-クロロブトキシ)-1H-キノリン-2-オン15.07kgを得た。
製造例1で得られた二水和物結晶2.73kgをジェットミルを使って粉砕した。この時、エアー圧5kgf/cm2、供給機送り回転数を20rpmに設定した。7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)-ブトキシ]-1H-キノリン-2-オン二水和物の微粉砕品2.61kg(95.6%)を得た。
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)-ブトキシ]-1H-キノリン-2-オン5.0kg、エタノール100L、水115L、DL乳酸2.29kgを混合し、酸性の混合液を調製した後、攪拌しながら還流することにより溶解させた(還流温度:82℃)。-5℃まで冷却した後、1℃に冷却した水酸化ナトリウム1.48kg、水135Lの溶液に攪拌しながら約15分かけて流入し、pH11の混合液を調製した。その後、約2~5℃で3時間攪拌した後、45℃に昇温し、45~50℃でさらに2時間攪拌し、固液分離した。得られた固形物中のアルカリがなくなるまで(具体的には、濾液のpHが7になるまで)、水(200L)で洗浄した。さらにエタノール15Lと水20Lの混合液で洗浄した。恒量になるまで室温で風乾し、白色固体として7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)-ブトキシ]-1H-キノリン-2-オン二水和物(未粉砕品)5.11kgを得た。
前記製造例1で得られた7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)-ブトキシ]-1H-キノリン-2-オン700g、エタノール14L、酢酸1.4Lを混合した後、還流温度(76℃)まで加熱し溶解させた。濃塩酸158mLを混合し、攪拌しながら10℃まで冷却した。その後、再度加熱し還流下1時間攪拌した後、10℃以下になるまで冷却した。析出する固体を吸引濾過し、エタノール0.7Lで洗浄した。恒量になるまで60℃で乾燥し、白色固体として7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)-ブトキシ]-1H-キノリン-2-オン塩酸塩814gを得た。7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)-ブトキシ]-1H-キノリン-2-オン塩酸塩800g、エタノール7.2L、水4.8Lを混合し、攪拌しながら還流温度(80℃)まで加熱した。熱時ろ過した後溶解させた。ここへ水酸化ナトリウム81.6gを水240mlに溶解した溶液を流入し、還流下30分攪拌した。水2.4Lを流入し攪拌しながら40℃まで冷却した。析出する固体をろ取し、水16Lで洗浄した。80℃で乾燥し白色固体として7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)-ブトキシ]-1H-キノリン-2-オン無水物637gを得た。
上記方法により調製された、化合物(I)二水和物(製造例1で得たものを適宜粉砕した)、及び化合物(I)無水物、並びに次に示す各成分を用いて、下記に示す各実施例の注射製剤を調製した。特に記載が無い限り、化合物(I)二水和物、及び化合物(I)無水物は、適宜2~6μmに粉砕したものを使用した。粒子径測定は(株)島津製作所製のレーザー回折式粒度分布測定装置(Laser Diffraction Particle Size Analyzer SALD-3000J又はSALD-3100)にて行った。なお、1mL中、化合物(I)二水和物が108mgの割合で含まれる注射製剤は、化合物(I)換算では100mg含まれる。
・塩化ナトリウム(ナカライテスク(株)製)
・リン酸二水素ナトリウム・二水和物(ナカライテスク(株)製)
・リン酸水素二ナトリウム・十二水和物(和光純薬工業(株)製)
・ポリオキシエチレンソルビタンモノ脂肪酸エステル(ポリソルベート80)(日油(株)製のポリソルベート80)
・DL-メチオニン(和光純薬(株)製)
・ポリオキシエチレン(160)ポリオキシプロピレン(30)グリコール(BASFジャパン(株)製のPluronic F68)
・水酸化ナトリウム(和光純薬(株)製)
・ソルビトール(和光純薬工業(株)製のD(-)-ソルビトール)
・カルボキシメチルセルロースナトリウム(Hercules Chemical Co., Ltd.製の
Sodium carboxymethyl cellulose)
・安息香酸ベンジル(ナカライテスク(株)製)
ビヒクルとして、ポリエチレングリコール400(8640mg)、ポリオキシエチレン(160)ポリオキシプロピレン(30)グリコール(300mg)、塩化ナトリウム(12000mg)、DL-メチオニン(750mg)、リン酸二水素ナトリウム・二水和物(226mg)、リン酸水素二ナトリウム・十二水和物(176mg)、及びポリソルベート80(90mg)を秤量し、500mLビーカーに加えた。注射用水を240mL添加し、スターラーを用いて溶解させた。前記ビヒクルが注射用水に溶解したことを確認した後に、得られた溶液をクリーンベンチ内(バイオクリーンベンチ、MCV-B161F、バイオメディック(株)製)でポリエチレンスルホン(polyethersulfone)(PES)フィルター(Millipore Express PLUS high flow rate、73mm/0.22μm、SCGP U11 RE、日本ミリポア(株)製)に通液した。クリーンベンチ内でフィルターに通過させた溶液に化合物(I)無水物を30000mg添加し、スターラーを用いて懸濁し、さらに、PESフィルターを通過させた1又は5N水酸化ナトリウムを用いてpHを約7に調整した。メスシリンダーにて得られた溶液の容量を測定し、その一部(0.5mL)を採取した。HPLC法により化合物(I)の含量を測定後、化合物(I)濃度が100 mg/mLになるように注射用水にて調整した。
化合物(I)無水物に代えて化合物(I)二水和物を用いたこと、及びオートクレーブ処理を行わなかったこと、以外は、実施例1と同様の方法で注射製剤を得た。なお、得られた注射製剤のpHは7.08であった。
また、「再分散性(60℃/1M)」欄に記載の「○」は、いずれの注射製剤も、60℃で1ヶ月静置させ沈殿が生じた後、軽く手で振るだけで容易に再分散してもとの懸濁液に戻ったことを示す。
カルボシキメチルセルロースを秤量(15000mg)し、300mLビーカーに加えた。注射用水を120mL添加し、ホモジナイザー(OMNI TH, OMNI International)を用いて50℃にて溶解させた。次いで、ソルビトール(75000mg)、リン酸二水素ナトリウム・二水和物(117mg)、及びポリソルベート80(150mg)を秤量し、300mLビーカーに加え充分に攪拌した。溶解確認後、クリーンベンチ内(バイオクリーンベンチ、MCV-B161F、バイオメディック、バイオメディック(株)製)でPES(polyethersulfone)フィルター(Millipore Express PLUS high flow rate,73mm/0.22μm, SCGP U11 RE,日本ミリポア(株)製)を通した。一方、クリーンベンチ内で、風袋重量を測定した10mLのメスフラスコの秤線までに、予めエチレンオキサイドにより滅菌処理済みのPTFE(polytetrafluoroethylene)フィルター(Millex(登録商標) FG 0.2 μm、25mm、日本ミリポア(株))を通した安息香酸ベンジルを加え、メスフラスコの重量を秤量した。秤量結果から算出した密度を基に、添加する安息香酸ベンジルを見積もり、添加必要量の安息香酸ベンジルをPESフィルターに通した溶液に加え、十分に混合した。クリーンベンチ内で秤量した化合物(I)無水物(16215mg)をさらに添加し、PESフィルターを通過させた1もしくは5N水酸化ナトリウムを用いてpHを約7に調整した。メスシリンダーにて容量を測定し、その一部(0.5mL)を採取した。HPLC法により化合物(I)の含量を測定後、化合物(I)の濃度が, 100 mg/mLになるように注射用水にて容量を調整した。なお、得られた注射製剤のpHは6.95であった。
化合物(I)無水物に代えて、化合物(I)二水和物を用いた以外は、実施例3と同様の方法で注射製剤を得た。なお、得られた注射製剤のpHは7.06であった。
化合物(I)無水物に代えて、化合物(I)二水和物を用いた点、及び、安息香酸ベンジル0.3mg/mLの代わりにベンジルアルコール10mg/mLとなるようにした点以外は、実施例3と同様にして、注射製剤を調製した。当該注射製剤における化合物(I)二水和物の平均二次粒子径は6.9μmであり、また、平均一次粒子径は2.3μmであった。よって、化合物(I)二水和物の粒子が凝集し、二次粒子を形成していることが確認できた。さらに、当該注射製剤を室温で4日静置したところ、沈殿が生じたが、手で軽く振るだけで、容易にもとの懸濁液に戻った。
実施例1~4において調製された化合物(I)無水物又は化合物(I)二水和物を有効成分として含む各注射製剤を、25mg/kgの用量で、雄性ラットの下腿筋中へ注射した。投与後の化合物(I)の血中移行性評価のために、血液サンプルを投与後0.25、1、3、6、9、14、21及び28日後に採取し、血中における化合物(I)の濃度をそれぞれ測定した。
以下の表5に示す処方の注射製剤(実施例A及び実施例B)を、それぞれ実施例3及び4と同様にして調製した。
以下の表7に示す処方の注射製剤(実施例C~実施例F)を、実施例2と同様にして調製した。
実施例2と同様に、各ビヒクル成分を注射用水に溶解し、得られた注射溶液に化合物(I)二水和物を懸濁して、表9~12に記載の処方を有する各注射製剤(実施例G-1~G-6、実施例H-1~H-6、実施例I-1~I-6、及び実施例J-1~J-6)を調製した。
<各実施例を充填した試験管>
ねじ口試験管NR-10 (株式会社マルエム)
材質(本体):硼珪酸ガラス、
長さ:105mm、
形状:丸底、
容量:12mL、
胴径(φ)×全高:φ16.5mm×105mm
<各試験管を設置した振動試験機>
新晃工業株式会社 空調機 DH-14(当該空調機の上に注射製剤を充填した試験管を設置することにより、振動機として利用した。)
振動レベル計(リオン株式会社 振動レベル計 VM-53A)を用いて当該空調機の振動を測定したところ、X軸方向:68dB、 Y軸方向:76dB、 Z軸方向:90dB の振動があった。
Claims (13)
- 7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩の粒子が凝集してなる二次粒子を含み、
前記二次粒子の平均粒子径(平均二次粒子径)が1~50μmであり、
前記二次粒子が、分散されて含まれる、
水性懸濁液。 - 前記7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩の粒子の平均一次粒子径が0.1~20μmである、
請求項1に記載の水性懸濁液。 - 7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オンを0.1~40重量%含有する、
請求項1又は2に記載の水性懸濁液。 - 請求項1~3のいずれかに記載の水性懸濁液を含む注射製剤。
- 7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩、粒子結合剤、及び注射用水を含み、
前記粒子結合剤は、塩化ナトリウム、ポリビニルピロリドン(PVP)、ポリオキシエチレン(160)ポリオキシプロピレン(30)グリコール、トコフェロール、トコトリエノール及びそのエステル、酢酸トコフェロール、トコフェロールサクシネート、ベンジルアルコール、低水溶性ポリオキシエチレンジオールジ安息香酸エステル、低水溶性ポリオキシエチレンジオールジメチルスルホン酸及びそのエステル、並びに安息香酸ベンジルからなる群より選択される少なくとも1種である、
注射製剤。 - 7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩が、二次粒子を形成しており、
該二次粒子の平均二次粒子径が1~50μmである、
請求項5に記載の注射製剤。 - 7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩が、注射用水に懸濁されて含まれる、
請求項5又は6に記載の注射製剤。 - 7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩が、沈殿して含まれる、
請求項5又は6に記載の注射製剤。 - 粒子結合剤が、塩化ナトリウム、ポリオキシエチレン(160)ポリオキシプロピレン(30)グリコール、ベンジルアルコール及び安息香酸ベンジルからなる群より選択される少なくとも1種である、請求項5~8のいずれかに記載の注射製剤。
- 注射製剤のpHが5~8である、請求項4~9のいずれかに記載の注射製剤。
- 統合失調症、双極性障害、又はうつの治療または再発予防用である、請求項4~10のいずれかに記載された注射製剤。
- 7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オン又はその塩が、
7-[4-(4-ベンゾ[b]チオフェン-4-イル-ピペラジン-1-イル)ブトキシ]-1H-キノリン-2-オンの二水和物である、
請求項4~11のいずれかに記載の注射製剤。 - 請求項4~12のいずれかに記載の注射製剤がプレフィルドされた、プレフィルドシリンジ。
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JP2015514677A (ja) * | 2012-04-23 | 2015-05-21 | 大塚製薬株式会社 | ベンゾチオフェン化合物又はその塩の、二水和物、及びその製造方法 |
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Cited By (9)
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JP2015514677A (ja) * | 2012-04-23 | 2015-05-21 | 大塚製薬株式会社 | ベンゾチオフェン化合物又はその塩の、二水和物、及びその製造方法 |
US10517951B2 (en) | 2012-04-23 | 2019-12-31 | Otsuka Pharmaceutical Co., Ltd. | Injectable preparation |
US11097007B2 (en) | 2012-04-23 | 2021-08-24 | Otsuka Pharmaceutical Co., Ltd. | Injectable preparation |
US11638757B2 (en) | 2012-04-23 | 2023-05-02 | Otsuka Pharmaceutical Co., Ltd. | Injectable preparation |
US12016927B2 (en) | 2012-04-23 | 2024-06-25 | Otsuka Pharmaceutical Co., Ltd. | Injectable preparation |
WO2017134038A1 (en) | 2016-02-01 | 2017-08-10 | Hexal Ag | Anhydrate-free polymorphically pure micronized crystalline brexpiprazole dihydrate for use in intramuscular injectable sustained release formulations |
WO2018141886A1 (en) | 2017-02-02 | 2018-08-09 | Hexal Aktiengesellschaft | Crystalline brexpiprazole |
US11072605B2 (en) | 2017-02-02 | 2021-07-27 | Hexal Ag | Crystalline brexpiprazole |
WO2021029020A1 (ja) * | 2019-08-13 | 2021-02-18 | 大塚製薬株式会社 | 経口医薬組成物 |
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