CN109789120A - Granular preparation - Google Patents

Granular preparation Download PDF

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Publication number
CN109789120A
CN109789120A CN201880003639.1A CN201880003639A CN109789120A CN 109789120 A CN109789120 A CN 109789120A CN 201880003639 A CN201880003639 A CN 201880003639A CN 109789120 A CN109789120 A CN 109789120A
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Prior art keywords
leucine
valine
granular preparation
isoleucine
gelling agent
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CN201880003639.1A
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谷川泰士
牧野千里
二宫信豪
小坂纯
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EA Pharma Co Ltd
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EA Pharma Co Ltd
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Publication of CN109789120A publication Critical patent/CN109789120A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1629Organic macromolecular compounds
    • A61K9/1635Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/185Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19Carboxylic acids, e.g. valproic acid
    • A61K31/195Carboxylic acids, e.g. valproic acid having an amino group
    • A61K31/197Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
    • A61K31/198Alpha-amino acids, e.g. alanine or edetic acid [EDTA]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/10Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/32Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1629Organic macromolecular compounds
    • A61K9/1641Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/16Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00Drugs for disorders of the blood or the extracellular fluid

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  • Chemical & Material Sciences (AREA)
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  • Pharmacology & Pharmacy (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Bioinformatics & Cheminformatics (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Hematology (AREA)
  • Diabetes (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Inorganic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Medicinal Preparation (AREA)

Abstract

本发明提供服用感得以改善的含有异亮氨酸、亮氨酸及缬氨酸的颗粒制剂。本发明涉及含有异亮氨酸、亮氨酸及缬氨酸作为有效成分的颗粒制剂,所述颗粒制剂含有胶凝剂。

The present invention provides a granular preparation containing isoleucine, leucine and valine with improved ingestion feeling. The present invention relates to a granule formulation containing isoleucine, leucine and valine as active ingredients, the granule formulation containing a gelling agent.

Description

Granular preparation
Technical field
The present invention relates to granular preparations.Specifically, the present invention relates to containing isoleucine, leucine and valine Grain preparation.
Background technique
As the pharmaceuticals containing isoleucine, leucine and valine, efficacy of a drug Wei Te is effectively treated for hepatopathy etc. (LIVACT) (registered trademark, same as below) composite particles are commercially available.
Contain 4g effective component in 1 packet (4.15g) Li Weite composite particles, is filled although being used to improve diet regimen amount Divide but still the hypoalbuminemia (non-patent literature 1) of the uncompensated liver cirrhosis patient of hypoalbuminemia occurs.
Existing technical literature
Non-patent literature
Non-patent literature 1: appended document branched-amino acid supplement Japanese Pharmacopoeia isoleucine leucine valine Grain revision Li Weite (registered trademark) composite particles in April, 2016 (the 17th edition)
Summary of the invention
Problems to be solved by the invention
Li Weite composite particles are the granular preparations containing a large amount of aminoacid ingredients, are derived from therefore it is required that further improving Residual etc. takes sense in the bitter taste of amino acid, the mouth of particle.
Project to be solved by this invention be provide take that sense is improved containing isoleucine, leucine and figured silk fabrics ammonia The granular preparation of acid.
Means for solving the problems
Present inventor has made intensive studies, as a result, it has been found that, by containing isoleucine, leucine and valine Granular preparation in cooperate gelling agent, be able to solve the above subject, so as to complete the present invention.
That is, the present invention is as described below.
(1)
Granular preparation, is the granular preparation for containing isoleucine, leucine and valine as effective component, described Grain preparation contains gelling agent.
(2)
Granular preparation as described in (1), wherein gelling agent is carboxyl vinyl polymer or polyethylene oxide.
(3)
Granular preparation as described in (1) or (2), wherein gelling agent is the polycyclic of the average molecular weight with 500,000 or more Oxidative ethane.
(4)
Granular preparation as described in any one of (1)~(3), wherein the granular preparation gelling agent is in powder form It is added.
(5)
Granular preparation as described in any one of (1)~(4), the granular preparation is for granular preparation total amount Contain gelling agent for 0.05~2% amount.
(6)
Granular preparation as described in any one of (1)~(5), the granular preparation is with isoleucine/leucine/valine The weight ratio of=1/1.9~2.2/1.1~1.3 contains isoleucine, leucine and valine.
(7)
Granular preparation as described in any one of (1)~(6), the granular preparation is for granular preparation total amount Contain isoleucine, leucine and valine for 80% or more amount.
(8)
Granular preparation as described in any one of (1)~(7), also contains binder and/or corrigent.
(9)
Contain the manufacturing method of isoleucine, leucine and valine as the granular preparation of effective component, the manufacture In method,
Gelling agent is added into the particle containing isoleucine, leucine and valine.
(10)
Manufacturing method as described in (9), wherein add gelling agent in powder form.
Invention effect
The particle containing isoleucine, leucine and valine that sense is improved is taken in accordance with the invention it is possible to provide Preparation.
Detailed description of the invention
[Fig. 1] indicates the result of the dissolution test of the granular preparation of embodiment 1.
[Fig. 2] indicates the result of the dissolution test of the granular preparation of comparative example 1.
Specific embodiment
Specifically describe the present invention by specific embodiment, but the present invention is not limited to specific embodiment below, It can carry out various modifications and implement.
Granular preparation of the invention contains isoleucine, leucine and valine as effective component, and contains gelling Agent.
In granular preparation of the invention, isoleucine, leucine and valine as effective component are as branch ammonia Base acid and known amino acid.
In the present invention, respectively, D type, L-type can be used, the mixture of any mixing ratio of D type and L-type can be used, Also DL type can be used.
Isoleucine, leucine and valine respectively can be synthetic, be also possible to fermentation product.
It is preferable to use meet in the 17th revised edition of Japanese Pharmacopoeia (respectively page 483, page 1711~1712, page 1248) It is recorded as the amino acid of the standard of l-Isoleucine, L-Leu and Valine.
In the present invention, so-called isoleucine, leucine and the valine of containing refers to as effective component by of the invention When grain preparation is used as pharmaceuticals, contain isoleucine, leucine and valine as the ingredient for playing effect effect.
About effect the effect of containing the pharmaceuticals of isoleucine, leucine and valine as effective component, in Japan, The effect of Li Weite composite particles as commercial articles, effect was " although improving diet regimen amount sufficiently but still occurring low white The hypoalbuminemia of the uncompensated liver cirrhosis patient of proteinemia " is known, but just it is of the invention containing isoleucine, For the effect of granular preparation as effective component of leucine and valine effect, it is not limited to above-mentioned effect effect.
It in the present invention, as effective component, does not interfere containing other compositions, but preferably only contains isoleucine, leucine And valine.
Granular preparation of the invention by containing isoleucine, leucine and valine as effective component, so as to As pharmaceutical granular preparation.
In granular preparation of the invention, the content ratio of isoleucine, leucine and valine is not particularly limited, as Weight ratio, preferably isoleucine/leucine/valine=1/1.9~2.2/1.1~1.3.
The content of isoleucine, leucine and valine can be suitably set, for granular preparation total amount Quality % meter, as the lower limit value of its content, preferably 80% or more, more preferably 90% or more, further preferably 95% More than.
The upper limit value of content as isoleucine, leucine and valine, is not particularly limited, isoleucine, bright ammonia The content of acid and valine is preferably smaller than 100%, and more preferably 99% hereinafter, further preferably 98% hereinafter, further more Preferably 97% or less.
The content of isoleucine, leucine and valine can be will be to be preferably worth as upper limit value and lower limit value Range obtained from each value combination that form is recorded.
Granular preparation of the invention contains gelling agent.
In the present invention, so-called gelling agent refers to the preparation additive as the substrate of gelation and containing water.
It as gelling agent, is not particularly limited, such as hydroxypropyl methylcellulose, methylcellulose, hydroxy propyl cellulose can be enumerated Element, carboxyl vinyl polymer, sodium alginate, carragheen, xanthan gum, tamarind gum, pectin, locust bean gum, gellan gum, agar And polyethylene oxide etc..
From the viewpoint of gelatinisation ability and gelation speed, preferably carboxyl vinyl polymer and polyethylene oxide, More preferable polyethylene oxide.
Gelling agent can be used a kind, can also be used in the form of mixture of more than two kinds.
From the viewpoint of the indexs such as gelatinisation ability and gelation speed, the average molecular weight of gelling agent can be according to glue It coagulates the type of agent and suitably sets.
Gelatinisation ability can be for example, by seeing appearance when gelling agent is dissolved in water with high concentration, low concentration It examines to confirm.
In addition, gelation speed can by being stirred after making an addition in water and dissolving by gelling agent, time dependent The situation of gelation is observed to confirm.
As the measurement concentration of gelatinisation ability, such as high concentration (10w/v%) and low concentration (1w/v%) can be enumerated, is made For the measurement concentration of gelation speed, can enumerate such as 10w/v%.
For polyethylene oxide, as the lower limit value of its average molecular weight, preferably there is 150,000 or more mean molecule Amount more preferably has 500,000 or more average molecular weight, further preferably has 1,000,000 or more average molecular weight, further More preferably there is 2,000,000 or more average molecular weight.
The upper limit value of average molecular weight as polyethylene oxide, is not particularly limited, the mean molecule of polyethylene oxide Amount preferably 10,000,000 is hereinafter, more preferably 5,000,000 or less.
The average molecular weight of polyethylene oxide can be by using as upper limit value and lower limit value and be preferably worth form note Range obtained from each value combination carried.
In the present invention, the average molecular weight of gelling agent can be the value that product is indicated, can also be by measuring gelling agent Solution viscosity to being measured in the form of viscosity average molecular weigh.
Gelling agent contained by granular preparation of the invention preferably adds in powder form and exists.
For the powder of the feed particles addition gelling agent containing isoleucine, leucine and valine.By that will be gelled Agent is added to feed particles in powder form, to be added with the gelling of powder type on the surface of particle as granular preparation The state of agent exists.
In the case where being added with gelling agent in powder form in granular preparation of the invention, due on the surface of particle The state of gelling agent added with powder type exists, therefore granular preparation of the invention (is coated with as so-called coated granule Particle), the granular preparation that is coated with gelling agent in particle surface it is different.
In coated granule, the feed particles containing isoleucine, leucine and valine are coated with using coating solution. In this case, gelling agent is contained in coating solution.
In granular preparation, gelling agent add in powder form and exist such as can by evaluation using screening be divided Gelatinisation ability of the powder from obtained from etc. confirms, is not particularly limited.Alternatively, it is also possible to pass through spectrum picture observation etc. To confirm that gelling agent adds in powder form and exists.
The content of gelling agent is suitably set according to the type of gelling agent, from the viewpoint of gelatinisation ability and gelation speed Consider, based on the quality % for granular preparation total amount, preferably 0.01~5%, more preferably 0.05~2%, into One step is preferably 0.05~1%.The content of gelling agent can be 0.1% or more within the above range.
Granular preparation of the invention can contain isoleucine, leucine made of the method known to existing to utilization And gelling agent is added in the particle of valine to be manufactured.
In the present invention, for isoleucine, leucine and valine, it can use in Japanese Patent No. 3228288 The method of record is carried out by the solid feed amino acid co-grinding as isoleucine, leucine and valine, and to granularity It adjusts.
Co-grinding using the method that crushes after in advance mixing isoleucine, leucine and valine or The method crushed while isoleucine, leucine and valine are mixed.
It in the mixing of solid feed amino acid, is not particularly limited, can use the rotation of the container such as container type mixer The air stirrings type mixers such as transition mixer, fluidized bed type mixer, the stirring for utilizing agitating paddle and stirring the rotation of ribbon Mixer, the line mixer mixed in powder conveying pipeline or the raw material supply mouth for being set to pulverizer etc. into Material type mixer.
It in the crushing of solid feed amino acid, is not particularly limited, can use the impacting type such as hammer-mill, needle mill The fluid-types such as the drum-types such as (high-speed rotary) pulverizer, ball mill (medium-type) pulverizer or aeropulverizer (air-flowing type) crush Machine.
In the manufacture of particle containing isoleucine, leucine and valine of the invention, it is not particularly limited, Ke Yili Pelletizer is flattened with such as high-speed stirred pelletizer, fluidized bed pelletizer, planetary stirring machine, dry type, broken pelletizer, is squeezed out Pelletizer, rotation pelletizer, spray drying granulation machine or coating granulator.
It is preferable to use high-speed stirred pelletizers or extruding granulator to manufacture particle.
It as extruding granulator, is not particularly limited, extruded type pelletizer, disc-type granulating machine, ring before can enumerating for example Mode pelletizer, barrel type pelletizer (basket granulator), swing pelletizer and cylinder formula granulator (cylinder Granulator) etc..
When manufacturing particle, it can cooperate and meet the standards such as Japanese Pharmacopoeia or pharmaceuticals additive standard, can be used as curing The known additive on medicinal way.
It as additive, is not particularly limited, can enumerate for example as binder, lubricant, colorant, plasticizer, table Face activating agent, sweetener, corrigent, flavoring agent and fragrance etc. and known additive, wherein preferred binder and/or Corrigent.
Additive can be used a kind, can also be used in the form of mixture of more than two kinds.
It as binder, is not particularly limited, such as methylcellulose, hydroxypropyl cellulose, hypromellose can be enumerated The starch such as the cellulose derivatives such as element, hypromellose phthalate, cornstarch, wheaten starch, polyethylene pyrrole Pyrrolidone (povidone), polyvinyl alcohol, acrylate copolymer etc. synthesize the natural polymers such as high score subclass and Arabic gum, gelatin Class etc..
As corrigent, be not particularly limited, can enumerate for example citric acid, tartaric acid, aspartame, saccharin, saccharin sodium, Erythritol, xylitol, mannitol and stevioside etc..It also may include in corrigent as sweetener and known add Add agent.
It as flavoring agent and fragrance, is not particularly limited, such as menthol, lemon extract, generation sugar can be enumerated (sugarless), sweet taste essence (sugar flavor) and arbusterol etc..
Present invention it is preferred that utilizing Japan Patent for the particle containing isoleucine, leucine and valine Corrigent and/or flavoring agent are attached to the surface of particle by the method recorded in No. 3405342.
For being attached with the granularity of particle of corrigent and/or flavoring agent, as long as can be in common fluidized bed value Under easily maintain flow regime, be not particularly limited, usually 100~2000 μm, preferably 200~1700 μm or so.
As for making corrigent and/or flavoring agent be attached to the liquidation device of particle, it is not particularly limited, can enumerates Such as FREUND CORPORATION drying apparatus " FLOW DRYER ", FREUND CORPORATION fluidized bed are made Grain coating device " FLOW COATER ", POWREX CORPORATION system " Glatt GPCG ", DALTON CORPORATION system " Marumerizer " and (strain) chrysanthemum water makes made " Multi Processor " etc..
In the present invention, containing isoleucine, leucine and valine particle (be preferably attached with corrigent and/or The particle of flavoring agent) in mixing gelling agent.
In the present invention, (corrigent is preferably preferably attached with to the particle containing isoleucine, leucine and valine And/or the particle of flavoring agent) in add gelling agent in powder form and mixed.
As above-mentioned mixed method, as long as the method that can be substantially evenly mixed, is not particularly limited, It can enumerate such as having used common container rotating type mixer (such as V-type, the double-deck pyramid type, rotation rocking type), container The method of the mixers such as fixed mixer (such as ribbon type, circular cone screw type etc.) or airflow stirring type mixer.
Also it can use each preparation of specified amount using the investment such as Subpackaging machine into defined container and mix Method.
By adding gelling agent in powder form into the particle containing isoleucine, leucine and valine and being mixed It closes, can obtain with granular preparation existing for the state of the gelling agent added with powder type.
Granular preparation of the invention is formed by the particle added with gelling agent, which is specified in Japanese Pharmacopoeia Granule (referring to page 11 of the 17th revised edition of Japanese Pharmacopoeia).
In the present invention, the granularity of granular preparation is usually 100~2000 μm, and preferably 200~1700 μm or so.
In the present invention, so-called granularity refers to the average grain diameter of particle, can use and remembers in the 17th revised edition of Japanese Pharmacopoeia The 2nd method " sieve method " of ordinary test method 3.04 " granulometry " of load is measured (page 95~97).It should be noted that Also it can use the ordinary test method 6.03 " test method(s) of the granularity of preparation " recorded in the 17th revised edition of Japanese Pharmacopoeia to carry out It measures (page 135).
Granular preparation of the invention can be the granular preparation obtained using granular preparation manufacturing method of the invention.
For granular preparation of the invention, residual etc. is taken sense and is able in the bitter taste of amino acid, the mouth of particle Improve.
In the present invention, providing by adding gelling agent in powder form improves containing isoleucine, leucine and figured silk fabrics ammonia The method of taking sense of the acid as the granular preparation of effective component.As the improvement for taking sense, can enumerate from amino acid Remaining improvement etc. in the improvement of bitter taste, the mouth of granular preparation.
Embodiment
Hereinafter, specifically describing the present invention based on embodiment, but the present invention is not limited to these embodiments.This field skill The present invention can be changed to various modes in the case where not departing from present subject matter by art personnel, these changes are also included within this In the range of invention.
Embodiment 1
Based on formula recorded in table 1, granular preparation is prepared.
Povidone (Kollidon, 90F) is added into the mixture of l-Isoleucine, L-Leu and Valine, is gathered The aqueous solution of vinyl alcohol (partially saponified matter), tartaric acid and saccharin sodium hydrate, is granulated using stirring granulating machine and is carried out whole Grain, drying, thus obtain feed particles.
For feed particles extension fragrance, polyethylene oxide (average molecular weight: 500 is added after whole grain in powder form Ten thousand) granular preparation, is prepared.
Comparative example 1
Based on formula recorded in table 1, granular preparation is prepared.
It operates similarly with example 1, obtains feed particles.
Feed particles are coated with using the aqueous solution of povidone (Kollidon, 90F), then extend fragrance, whole grain is carried out, by This prepares granular preparation.
[table 1]
Using the granular preparation prepared in embodiment 1 and comparative example 1, to swallow easness, particle residue degree of difficulty, bitter taste Power as index, implement sensory evaluation.(n=9)
For swallowing easness, two kinds of particles preparation when taking is compared, selection is easier one swallowed Side.
For particle residue degree of difficulty, two kinds of particles preparation when taking is compared, selection is more difficult in mouth A remaining side.
For the power of bitter taste, two kinds of particles preparation is compared, selects the weaker side of bitter taste.
As a result it is shown in table 2.
[table 2]
Assessment item Comparative example 1 Embodiment 1 It is not different
Swallow easness 0 9 0
Particle residue degree of difficulty 0 9 0
The power of bitter taste 1 6 2
For the formula of Li Weite composite particles is the granular preparation of comparative example 1, the granular preparation of embodiment 1 exists It is more excellent to swallow easness, particle residue degree of difficulty, bitter taste aspect, it follows that it is to take the granular preparation for feeling excellent.
Using the granular preparation prepared in embodiment 1 and comparative example 1, Japanese Pharmacopoeia the 17th time revision has been used by being based on The dissolution test of the sheathed submergence of the 2nd liquid of dissolution test in version, stripping property is evaluated (page 141~145, generally Test method(s) 6.10 " dissolution test method ").
As a result it is shown in Fig. 1 and Fig. 2.
It confirms for the granular preparation of comparative example 1, initial (the 5 minutes values) of the granular preparation of embodiment 1 Stripping property is low, but confirms the stripping property that two kinds of preparations all show substantially 100% after 15 minutes.Think embodiment 1 Granular preparation also shows that drug effect same as Li Weite composite particles.
Embodiment 2~4
Making polyethylene oxide, (average molecular weight: content 5,000,000) is 0.1%, 1% for granular preparation total amount Or 2%, it in addition to this, operates similarly with example 1, prepares granular preparation.
Embodiment 5~7
Other than using the polyethylene oxide that average molecular weight is 500,000,1,000,000 or 2,000,000, similarly to Example 1 Operation, prepares granular preparation.
Using the granular preparation prepared in Examples 1 to 7, using foreign body sensation, bitter taste, easness is swallowed as index, is implemented Sensory evaluation.(n=10)
For each index, not feel: 1 point, do not feel substantially: 2 points, slightly feel: 3 minutes, feel: 4 minutes into Row scoring, finds out average value.As a result it is shown in table 3.
[table 3]
Assessment item Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Embodiment 6 Embodiment 7
Swallow easness 2.4 2.7 3.0 2.4 2.5 2.5 3.0
Foreign body sensation 2.8 2.4 2.2 2.8 2.7 2.7 2.5
Bitter taste 2.8 2.6 2.3 2.3 2.4 2.3 2.2
Industrial availability
The Li Weite composite particles that granular preparation of the invention is considered being equivalent to present agent have improved take Property, therefore, there is industrial availability as pharmaceutical granular preparation.

Claims (10)

1.颗粒制剂,其是含有异亮氨酸、亮氨酸及缬氨酸作为有效成分的颗粒制剂,所述颗粒制剂含有胶凝剂。1. A granule formulation containing isoleucine, leucine and valine as active ingredients, the granule formulation containing a gelling agent. 2.如权利要求1所述的颗粒制剂,其中,胶凝剂为羧基乙烯基聚合物或聚环氧乙烷。2. The granular formulation of claim 1, wherein the gelling agent is a carboxyvinyl polymer or polyethylene oxide. 3.如权利要求1或2所述的颗粒制剂,其中,胶凝剂为具有50万以上的平均分子量的聚环氧乙烷。3. The granular preparation according to claim 1 or 2, wherein the gelling agent is polyethylene oxide having an average molecular weight of 500,000 or more. 4.如权利要求1~3中任一项所述的颗粒制剂,其中,胶凝剂是以粉末形式进行添加的。4. The granular formulation according to any one of claims 1 to 3, wherein the gelling agent is added in powder form. 5.如权利要求1~4中任一项所述的颗粒制剂,所述颗粒制剂以相对于颗粒制剂总量而言为0.05~2%的量含有胶凝剂。5 . The granule formulation according to claim 1 , which contains a gelling agent in an amount of 0.05 to 2% with respect to the total amount of the granule formulation. 6 . 6.如权利要求1~5中任一项所述的颗粒制剂,所述颗粒制剂以异亮氨酸/亮氨酸/缬氨酸=1/1.9~2.2/1.1~1.3的重量比含有异亮氨酸、亮氨酸及缬氨酸。6 . The granular preparation according to claim 1 , which contains isoleucine/leucine/valine=1/1.9-2.2/1.1-1.3 by weight. 7 . Leucine, Leucine and Valine. 7.如权利要求1~6中任一项所述的颗粒制剂,所述颗粒制剂以相对于颗粒制剂总量而言为80%以上的量含有异亮氨酸、亮氨酸及缬氨酸。7 . The granule preparation according to claim 1 , which contains isoleucine, leucine, and valine in an amount of 80% or more relative to the total amount of the granule preparation. 8 . . 8.如权利要求1~7中任一项所述的颗粒制剂,其还含有粘结剂及/或矫味剂。8. The granular preparation according to any one of claims 1 to 7, further comprising a binder and/or a flavoring agent. 9.含有异亮氨酸、亮氨酸及缬氨酸作为有效成分的颗粒制剂的制造方法,所述制造方法中,9. A method for producing a granule formulation containing isoleucine, leucine and valine as active ingredients, wherein, 向含有异亮氨酸、亮氨酸及缬氨酸的颗粒中添加胶凝剂。Gelling agents were added to the granules containing isoleucine, leucine and valine. 10.如权利要求9所述的制造方法,其中,以粉末形式添加胶凝剂。10. The production method according to claim 9, wherein the gelling agent is added in powder form.
CN201880003639.1A 2017-02-21 2018-02-20 Granular preparation Pending CN109789120A (en)

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WO2002034255A1 (en) * 2000-10-26 2002-05-02 Ajinomoto Co., Inc. Granular drug preparations containing branched amino acids and process for producing the same
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