JP6273151B2 - Cellulosic core particles and method for producing the same - Google Patents

Description

  The present invention relates to a core particle used in the production of particles, a particle prepared using the core particle, a tablet containing the particle, an orally disintegrating tablet or capsule that can be taken without water.

  In recent years, a layering method in which a core particle is coated with a drug or a medicinal component is known as a method for preparing particles in the preparation of pharmaceuticals, foods and the like. In addition, there is a known technology for film coating on particles produced using core particles in order to mask stability and bitterness of active ingredients such as drugs and medicinal ingredients, and to control elution of active ingredients. .

  In particular, the fine particle film coating technology is widely used for bitterness masking and orally disintegrating tablets. The reason for this is that the core particle technology, which was originally used as capsule particles, has been improved to make fine particles and fine particles. However, a fine particle coating device that can produce stable products has been developed. As a result, orally disintegrating tablets containing fine particle coating particles can be widely used, and such tablets can be taken without feeling rough in the oral cavity. Furthermore, by making the particles finer, more drugs can be coated, and the burden on the tablet dose to the patient can be reduced. In the case of orally disintegrating tablets, the smaller the average particle size of the core particles that can be taken in the oral cavity without a sense of incongruity, the better, but generally the average particle size after coating a drug or film should be 150 μm or less. It is said to be acceptable.

  Recent orally disintegrating tablets are dosage forms that have greatly developed in the pharmaceutical formulation field. These orally disintegrating tablets are manufactured by the same manufacturing method as ordinary tablets. However, in order to obtain a tablet hardness that is practical for tablets and satisfactory disintegration and a feeling of administration as orally disintegrating tablets, a wide variety of This is based on a technology created by making full use of additive and excipient blending ratios. The preparation of such a technique is becoming important as a high-value-added preparation in addition to improvement of QOL (Quality Of Life) for patients as well as product Product Cycle Management (PLCM). Furthermore, as the aging society progresses rapidly, orally disintegrating tablets that disintegrate rapidly with saliva and a small amount of water are used in the medical field as dosage forms that are easy to take even for patients with weak swallowing power, such as the elderly and children. Contributing to the improvement of compliance, such as convenience and patient compliance.

  Examples of cellulosic core particles that have been used in the production of particles so far include the following.

  Patent Document 1 discloses a method of laminating drugs using crystalline cellulose as core particles, and further applying a film coating. Patent Document 2 discloses crystalline cellulose obtained by mechanical grinding. A cellulosic core particle obtained by preparing a dispersion liquid containing lysate, making the dispersion liquid into a droplet form and then drying, and a method of laminating a drug on the particle and applying a film coating are disclosed. . Furthermore, Patent Document 3 discloses a method for producing small particles in which a medicinal component and a film coating layer are laminated with a uniform thickness on crystalline cellulose-based core particles in a high yield.

JP-A-7-173050 International Publication No. 2002/036168 International Publication No. 2008/149894

  The cellulosic core particles disclosed in Patent Document 1 have a large average particle diameter of 150 μm or more, and when applied to fine granules, granule-containing tablets, etc., they feel rough in the oral cavity and cause a problem of ingestion. Moreover, when it is set as a particle-containing tablet, separation and segregation of particles and excipient occurs, and there are problems in tableting property, mixing uniformity and content uniformity as a preparation.

  Cellulose-based core particles disclosed in Patent Document 2 have large irregularities on the particle surface and a large specific surface area. Therefore, dispersion of the film coating layer occurs, so that it is difficult to control the elution of the medicinal component, and the desired medicinal component In order to obtain the elution control, it is necessary to increase the thickness of the film layer, which requires many coating layers. As a result, the particle size becomes 150 μm or more, and when applied to a fine granule or a particle-containing tablet, it feels rough in the oral cavity and the feeling of taking a problem becomes a problem.

  The average particle diameter of the cellulosic core particles disclosed in Patent Document 3 is as small as less than 10 to 100 μm and does not feel rough in the oral cavity. However, since the tapping bulk density of the core particles is as heavy as 0.80 g / ml or more, and the sphericity is high and the surface is smooth, it is satisfactory even if it is molded in the manner of tableting the particles. It cannot be molded. In other words, when it is made into a particle-containing tablet, not only is the moldability insufficient and it is difficult to tablet, but even if it can be made into a tablet, a high tableting pressure is required, and fast disintegration is not obtained and it can be obtained in the oral cavity. It is very difficult to design a disintegrating tablet.

  As described above, in the case of conventional core particles, when a coating of a medicinal component of several tens mass% or more or a fim coating layer is laminated on the core particles, the average particle diameter becomes as large as 100 μm or more, and the moldability of the particles also increases. Unfortunately, it has not been possible to produce a tablet that satisfies the optimum tablet hardness, disintegration property and feeling of administration as an orally disintegrating tablet.

  Therefore, an object of the present invention is to suppress the average particle diameter to 100 μm or less even when a coating of a medicinal component of several tens mass% or more or a film coating layer is laminated on the core particles, and further, the moldability of the particles is also good. It is intended to provide a satisfactory product in hardness, disintegration, and feeling of administration as an orally disintegrating tablet.

  As a result of intensive studies to solve the above problems, the inventors of the present invention contain 10% by mass or more of cellulose and 90% by mass or less of excipient, and the apparent bulk density is less than 0.20 to 0.60 g / ml, If the angle of repose is 38 to 50 °, the tablet hardness when the impact pressure is 3 kN is 50 N or more, the ratio of the particles passing through the sieve having an opening of 75 μm and remaining on the sieve having an opening of 20 μm is 50% by mass or more, In addition, the core particles can be obtained by mixing agitation and mixing of cellulose and a binder solution and granulating the first granulated product obtained in the agitation and granulation step. Rotating granulation step of spraying the binding liquid while flowing and rolling, a drying step of drying the second granulated product obtained in the tumbling granulation step, and pulverization of pulverizing the dried particles The present invention finds that it can be manufactured by combining with a process. Led was.

That is, the present invention is as follows.
(1) Contains 10% by mass or more of cellulose and 90% by mass or less of an excipient, has an apparent bulk density of 0.20 g / ml or more and less than 0.60 g / ml, an angle of repose of 38 to 50 °, and an impact pressure of 3 kN Cellulose-based core particles containing cellulose and an excipient, wherein the tablet has a tablet hardness of 50 N or more, passes through a sieve having an opening of 75 μm, and the ratio of particles remaining on the sieve having an opening of 20 μm is 50% by mass or more.
(2) The above excipient is hydrous silicon dioxide, light anhydrous silicic acid, synthetic aluminum silicate, magnesium alumina hydroxide, magnesium metasilicate magnesium aluminate, magnesium aluminate, calcium silicate, hydrous amorphous silicon oxide Cellulosic core particles according to (1) above, which are at least one compound selected from the group consisting of magnesium silicate, and hydrous magnesium silicate.
(3) The cellulose-based core particle according to (1), wherein the excipient is calcium silicate or light anhydrous silicic acid.
(4) The cellulosic core particle according to any one of (1) to (3), wherein the water absorption capacity is 0.3 ml / g or more and less than 1.5 ml / g.
(5) Particles having a cellulosic core particle according to any one of (1) to (4) above and a drug layer covering the core particle.
(6) Film coating particles having the particles of (5) above and a film coating layer covering the particles.
(7) A tablet containing the particles of (5) above or the film coating particles of (6) above.
(8) The tablet according to (7), containing 3 to 90% by mass of the particle according to (5) or the film coating particle according to (6).
(9) The tablet according to (7), wherein the disintegration time measured according to the 16th revised Japanese Pharmacopoeia disintegration test method is less than 60 seconds.
(10) A granulation step of mixing and stirring cellulose and a binding liquid, granulating, a drying step of drying the granulated product obtained in the granulation step, and a granulated product obtained in the drying step A method for producing cellulosic core particles, comprising a pulverizing step.
(11) Any of (1) to (4) above, comprising a step of pulverizing a granulated product containing 10% by mass or more of cellulose and 90% by mass or more of an excipient and having a load peak value of 200 to 1000 mN. A method for producing such cellulosic core particles.

  The present invention typically relates to core particles obtained by a method of grinding a somewhat hard spherical granulate containing cellulose, which surprisingly breaks the granulate evenly. Thus, relatively round particles having a uniform particle diameter can be obtained. Further, from particles containing an excipient such as calcium silicate or light anhydrous silicic acid in cellulose, particles having a relatively round shape with a uniform particle diameter can be obtained when pulverized in the same manner. In addition, since the surface of these particles is not completely smooth and has some irregularities, when the particles are used as core particles, a drug is laminated, and further film coating is performed, several tens mass% with respect to the core particles The average particle diameter can be suppressed to 100 μm or less even if the above-mentioned medicinal component coating or film coating layer is laminated, and the moldability of the particles is also good, satisfying the hardness and disintegration properties as an orally disintegrating tablet and feeling of administration. I can make anything.

The cross-sectional schematic diagram of one embodiment of the tablet of this invention is shown.

  Hereinafter, the best mode for carrying out the present invention (hereinafter simply referred to as “the present embodiment”) will be described in detail. In addition, this invention is not limited to the following embodiment, It can implement by changing variously within the range of the summary.

<Core particle of the present invention>
The cellulosic core particles of the present embodiment contain 10% by mass or more of cellulose and 90% by mass or less of excipient, have an apparent bulk density of 0.20 g / ml or more and less than 0.60 g / ml, and an angle of repose of 38 to 50. ° The tablet hardness when the impact pressure is 3 kN is 50 N or more, the ratio of the particles passing through the sieve having an opening of 75 μm and remaining on the sieve having an opening of 20 μm is 50% by mass or more.

  Cellulose includes crystalline cellulose and powdered cellulose. Crystalline cellulose is preferred from the viewpoints of hardness when it is made into core particles and moldability with core particles made into tablets.

  As the crystalline cellulose, those having an average degree of polymerization of 60 to 350 are preferable. If the average degree of polymerization is 350 or less, it is preferable because no fibrous form appears in the core particles, the core particles are easily ground, and the roundness of the core particles is not impaired. An average degree of polymerization of 60 or more is preferable because the entanglement of crystalline cellulose molecules increases and the hardness of the core particles is improved. The average degree of polymerization of crystalline cellulose is preferably 100 to 300, and more preferably 120 to 270.

  The excipient of the present embodiment is an additive added for the convenience of handling or improving the formability of medicines and the like and for convenient use. In particular, in the preparation process (manufacturing process), when the amount of the active ingredient is small, an excipient is added for the purpose of obtaining a constant size and concentration.

  Examples of excipient components contained in the cellulose-based core particles of the present embodiment include hydrous silicon dioxide, light anhydrous silicic acid, synthetic aluminum silicate, magnesium alumina hydroxide, magnesium metasilicate aluminate, and aluminum silicate. Magnesium silicate, calcium silicate, hydrous non-crystal silicon oxide, magnesium silicate, hydrous magnesium silicate, calcium stearate, magnesium stearate, stearic acid, calcium carbonate, titanium oxide, magnesium oxide, talc, magnesium carbonate, anhydrous phosphoric acid Examples thereof include calcium hydrogen and calcium monohydrogen phosphate.

  The average particle size of the cellulosic core particles of the present embodiment is the viewpoint of suppressing the aggregation during the coating of the medicinal component, film coating, and the prevention of separation and segregation that affects the roughness of the oral cavity and the content uniformity of the medicinal component From the viewpoint, 20 μm to 100 μm is preferable, 40 μm to 80 μm is more preferable, and 40 μm to 70 μm is more preferable.

  The average particle size is a particle size of 50% by mass when measured using a general air dispersion sieve analyzer such as a low-tap sieving machine, a vibration sieving machine, an ultrasonic sieving machine, or an air jet sieve. Say that. In the present embodiment, the particle size distribution of the cellulosic core particles is preferably as narrow as possible for the above reasons, and passes through a sieve having an opening of 75 μm (both sieves are JIS standard sieves) and has an opening of 20 μm. The proportion of particles remaining on the sieve is preferably 50% by mass or more, more preferably 65% by mass or more, and further preferably 80% by mass or more.

  The apparent bulk density of the cellulosic core particles of the present embodiment is 0.20 g / ml or more and less than 0.60 g / ml, preferably 0.30 g / ml or more and less than 0.60 g / ml.

  In the present invention, the apparent bulk density is a value obtained by reading the volume of a particle layer in which 30 g of particles are loosely packed in a 100 ml glass graduated cylinder and dividing 30 g by the volume (ml).

  If the apparent bulk density is 0.20 g / ml or more, since the particles are light and the number of particles per unit mass is sufficient, the surface area of the particles per unit mass is increased, but the effective contained in the coating layer In order to obtain a film coating layer having a thickness necessary for controlling the elution of components, it is not necessary to greatly increase the film coating layer, and there are few negative factors in terms of efficiency and cost.

  When the apparent bulk density is less than 0.60 g / ml, it is preferable that the particles themselves are difficult to separate and segregate when mixed with other excipients, and the content uniformity of the drug coated on the particles is excellent.

  The angle of repose of the cellulosic core particles of the present embodiment is a value obtained by measuring the angle (elevation angle) of a powder crest formed with the sample naturally dropped. This is the simplest measured value for estimating the handleability of the powder, and it is generally said that a powder having an angle of repose of 40 ° or less is less clogged in the production facility. However, even if only the cellulosic core particles flow well, when mixed and blended with other excipients, the particles segregate and segregate, and problems such as content uniformity and tablet weight uniformity are likely to occur. The repose angle of the cellulose-based core particles is preferably 38 to 50 °, more preferably 40 to 48 °, and further preferably 42 to 45 °.

  The tablet hardness of the cellulose-based core particles of the present embodiment when the tableting pressure is 3 kN is 50N or more. 500 mg of core particles are measured, put into a mortar, and pressed with a 11 mmφ mortar with a force of tableting pressure of 3 kN for 10 seconds. It refers to the hardness of the tablet (1011CREEP, manufactured by AIKOH ENGINEERING).

  When the tablet hardness is 50 N or more, the corners of the tablet are not easily lost even during packaging and transportation of tablets formulated using the cellulose-based core particles of the present embodiment, which is preferable because it leads to stable quality and drug content.

  The cellulose-based core particles are preferably spherical nuclei while having an average particle size of 20 μm to 100 μm. However, when the average particle diameter of the core particles is 20 μm to 100 μm, it can be said that the particle diameter is sufficiently small even if the core particles are not completely spherical. The coating layer and the particles after coating can be spheroidized to some extent by the coating layer. Sphericality can be expressed by sphericity, and the sphericity is a value obtained by dividing the minor axis of a particle by the major axis. The sphericity of the core particle is preferably 0.5 to 0.9, more preferably 0.6 to 0.9. If the sphericity of the core particle is 0.5 or more, the sphericity of the spherical particle using the core particle is improved, which is preferable in terms of product aesthetics after coating of the active ingredient and control of the elution rate of the active ingredient. . Further, if the sphericity is less than 0.9, the resistance between the core particles is still large, and as a result, the moldability is improved and the general hardness of the tablet is easily obtained. In addition, since the fluidity does not become too high, the core particles are separated and segregated, and there are few problems in the tablet weight uniformity and content uniformity.

  The water absorption capacity of the cellulosic core particles of the present embodiment is preferably 0.3 ml / g or more and less than 1.5 ml / g, and more preferably 0.5 ml / g or more and less than 1.5 ml / g. In the present invention, the water absorption capacity represents the water content that particles can absorb, per 1 g of particles, and can be measured using pure water instead of oil according to the measurement of oil absorption described in JIS K5101.

  If the water absorption capacity is 0.3 ml / g or more, when an aqueous solution or aqueous suspension used for drug layering is sprayed, it is difficult for moisture to remain on the surface of the particles. Is less preferred. Further, if the water absorption capacity is less than 1.5 ml / g, the particles absorb less water, and the particles themselves do not become heavy, and as a result, the fluidity and operability of the particles are good, and it is easy to produce a uniform product. .

  The shape factor of the cellulosic core particles of the present embodiment is preferably 1.05 to 2.50. More preferably, it is 1.15-2.25, More preferably, it is 1.20-2.00. The shape factor is a value obtained by dividing the length of the contour of the particle projection diagram by the circumference of a circle having the same area as the projected area of the particle. That is, it indicates the smoothness of the particle surface or the degree of unevenness, and when the shape factor is 1.05 or more, a water-soluble drug suspension, a binding solution, etc. are easily attached. It is easy to coat 50% by mass or more with respect to the core particles, which is preferable. On the other hand, when the shape factor is 2.50 or less, there are not too many irregularities on the particles after drug coating, which is aesthetically preferable. Further, the particles are less likely to be worn away, which is preferable in terms of quality.

  The shape factor is a particle image obtained by using a digital microscope (manufactured by Keyence Corporation, VH-7000, VH-501 lens) and measuring the particle shape using image processing analysis software. When there is no unevenness, it is 1.0, and as the unevenness increases, it becomes more than 1.0.

  The cellulosic core particles of this embodiment preferably have a load peak value of 200 to 1000 mN. If the load peak value is 200 mN or more, the particles have high strength, can suppress pulverization in the pulverization process, and have an average particle diameter of 20 μm to less than 100 μm and a sphericity of less than 0.5 to 0.9. Easy to get. On the other hand, if the load peak value is 1000 mN or less, the strength of the particles is not too high, and it becomes easy to pulverize uniformly in the pulverization process, the average particle diameter is 20 μm to less than 100 μm, and the sphericity is 0. A product of less than 5 to 0.9 is easily obtained.

  Cellulose-based core particles having the above physical properties include a granulation step of mixing and stirring cellulose and a binding liquid, granulation, a drying step of drying the granulated product obtained in the granulation step, and It can manufacture by the manufacturing method including the crushing process of grind | pulverizing the granulated material obtained at the drying process.

  Further, the stirring granulation step of stirring and mixing the crystalline cellulose and the excipient and the binding liquid and granulating, and the first granulated product obtained in the stirring granulation step is fluidized and rolled. The rolling granulation step of spraying the binding liquid onto the first granulated product, the drying step of drying the second granulated product obtained in the rolling granulation step, and the drying step. However, the present invention is not limited to these methods.

  However, until now, there has been no known production method for efficiently obtaining small particles having an average particle size of 20 μm to less than 100 μm and a sphericity of 0.5 to 0.9. However, when a spherical granulated material containing cellulose and hard to a certain extent is pulverized, the particles are surprisingly broken in a uniform shape with a uniform rounded particle size and zero sphericity. It was found that 0.5 to 0.9 was obtained.

  First, the stirring granulation process which stirs and mixes crystalline cellulose and an excipient | filler is demonstrated.

  In the present embodiment, the binding liquid may be a liquid capable of binding crystalline cellulose and excipient, and only water is preferable from the viewpoint of handling. A small amount of a binder such as hydroxypropylcellulose, starch paste or povidone that gives viscosity to water may be added. For the stirring and mixing, it is preferable to use a mixing and stirring granulator (VG-10, manufactured by Paulek).

  Next, the first granulated product obtained in the stirring granulation step, which is carried out when necessary, is sprayed with a binding solution on the first granulated product while being fluidized and rolled. The rolling granulation process will be described.

  The binding liquid sprayed on the granulated product in the rolling granulation process may be a liquid that can bind crystalline cellulose, and may be the same as the binding liquid used in the granulation process. Also good. From the viewpoint of handling, only water is preferable, but not limited thereto. As a device for causing the granulated material to flow and roll with an air stream, it is preferable to use a rolling fluidized bed type coating device (MP-25 type, manufactured by Paulek).

  Specifically, in the rolling granulation step, the granulated product obtained in the stirring granulation step is transferred to a rolling fluid type coating apparatus, the particles are flowed by air supply from the bottom, and the bottom rolling is performed. It is preferable to spray the water while rolling the particles by the rotation of the disc, that is, moving while rolling.

  The particles are made heavier and spheroidized by the rolling granulation process, and then dried (drying process), and if necessary, coarse particles are sieved. Thereafter, the particles are pulverized by a pulverizer such as a jet mill (STJ-400A, manufactured by Seishin Enterprise), a hammer mill (H-12, manufactured by Hosokawa Micron), a bantam mill (AP-B, manufactured by Hosokawa Micron) (pulverizing step). While the particles have an average particle size of 20 μm to less than 100 μm, core particles satisfying the physical properties defined in the present invention can be produced.

<Pharmaceutical using the core particle of the present invention>
By coating the cellulosic core particles of the present embodiment with a drug layer, and optionally coating with a film, particles that can be blended in a pharmaceutical product can be obtained. The active ingredient used in the pharmaceutical, typically a tablet, comprising the drug layer covering the cellulosic core particles of the present embodiment and the particles containing cellulosic core particles, treatment and prevention of human and animal diseases, It is used for diagnosis and is not an instrument or machine, but an active ingredient of a frequently used medicine listed in the 16th revision Japanese Pharmacopoeia.

  For example, antidepressants (phenytoin, acetylphenetride, trimethadione, phenobarbital, primidone, nitrazepam, sodium valproate, sultiam, etc.), antipyretic analgesic / anti-inflammatory drugs (acetaminophen, phenylacetylglycine methylamide, mefenamic acid, diclofenac sodium , Fructophenine, aspirin, aspirin, aspirin aluminum, ethenzamide, oxyphenbutazone, sulpyrine, phenylbutazone, ibuprofen, alclofenac, naloxene, ketoprofen, tinolidine hydrochloride, benzydamine hydrochloride, thiaramide hydrochloride, indomethacin, piroxicam, salicylamide, etc.) (Dimenhydrinate, meclizine hydrochloride, diphenidol hydrochloride, etc.), narcotics (opium alkaloid hydrochloride, morphic hydrochloride) , Codeine phosphate, dihydrocodeine phosphate, oxymethebanol, etc.), neuropsychiatric agents (chlorpromazine hydrochloride, levomepromazine maleate, perazine, maleic acid, perphenazine, chlorprothixene, haloperidol, diazepam, oxazepam, oxazolam) , Mexazolam, alprazolam, zotepine, etc.), skeletal muscle relaxants (chlorzoxazone, chlorphenesin carbamate, chlormezanone, pridinol mesylate, eperisone hydrochloride, etc.), agents for autonomic nerves (betanechol chloride, neostigmine bromide, pyridostigmine bromide) ), Antispasmodic agents (atropine sulfate, butropium bromide, butylspocollamine bromide, propanterin bromide, papaverine hydrochloride, etc.), antiparkinsonian agents (biperiden hydrochloride, trihexyl hydrochloride) Enidyl, amantadine hydrochloride, levodopa, etc.), antihistamines (diphenhydramine hydrochloride, chlorpheniramine dl-maleate, promethazine, mequitazine, clemastine fumarate, etc.), cardiotonic agents (aminophylline, caffeine, dl-isoproterenol hydrochloride, ethylephrine hydrochloride) , Norphenelin hydrochloride, ubidecarenone, etc.), arrhythmic agents (procainamide hydrochloride, pindolol, metoprolol tartrate, disoviramide, etc.), diuretics (potassium chloride, cyclopentiazide, hydrochlorothiazide, triamterene, acetazolamide, furosemide, etc.), blood pressure lowering Agents (hexamethonium bromide, hydralazine hydrochloride, silosingopine, reserpine, propranolol hydrochloride, captopril, methyldopa, etc.), vasoconstrictor (dihydroe mesylate) Lugotamine, etc.), vasodilators (etaphenone hydrochloride, diltiazem hydrochloride, carbochromene hydrochloride, pentaerythritol tetranitrate, dipyridamole, isosorbide nitrate, nifedipine, nicamethate citrate, cyclandrate, cinnarizine, etc.), arteriosclerotic agent (linol) Ethyl acetate, lecithin, clofibrate, etc.), cardiovascular agents (nicardipine hydrochloride, meclofenoxate hydrochloride, cytochrome C, pyridinol carbamate, pinbocetin, calcium hopantenate, pentoxifylline, idebenone, etc.), respiratory promotion Agent (dimephrine hydrochloride, etc.), antitussive expectorant (codeine phosphate, dihydrocodeine phosphate, dextromethorphan hydrobromide, noscapine, L-methylcysteine hydrochloride, bromhexine hydrochloride, theophylline, ephedrine hydrochloride Phosphorus, amlexanox, etc.), biliary (osalmid, phenylpropanol, hymechromone, etc.), intestinal (berberine chloride, loperamide hydrochloride, etc.), digestive organs (metoclopramide, phenipentol, domperidone, etc.), vitamins Retinol acetate, dihydrotaxosterol, etretinate, thiamine hydrochloride, thiamine nitrate, fursultiamine, octothiamine, chicotiamine, riboflavin, pyridoxine hydrochloride, pyridoxal phosphate, nicotinic acid, pantethine, cyanocobalamin, biotin, ascorbic acid, phytonadione, menatetrenone ), Antibiotics (benzylpenicillin benzathine, amoxicillin, ampicillin, cyclacillin, cefaclor, cephalexin, cefuroxime axetil, erythromycin , Kitasamycin, Josamycin, Chloramphenicol, Tetracycline, Griseofulvin, Cefzonam sodium, etc.), Chemotherapeutic agents (Sulfamethoxazole, Isoniazid, Ethionamide, Thiazosulfone, Nitrofurantoin, Enoxacin, Ofloxacin, Norfloxacin, etc.) Is mentioned.

  In particular, the present invention is preferably applied to a drug containing a bitter-tasting drug as an active ingredient, and such drugs include caffeine, lansoprazole, famotidine, omeprazole, mosapride citrate, voglibose, zolpidem tartrate, loratadine, imidapril hydrochloride Salt, Mizoribine, Cefcapene pivoxil hydrochloride, Levofloxacin, Risperidone, Sumatriptan succinate, Quetiapine fumarate, Solifenacin succinate, Glucosamine, Glucosamine hydrochloride, N-acetylglucosamine, Coenzyme Q10, Gymnema, Agaricus, Collagen, Psyllium , Chondroitin, chondroitin sulfate, turmeric, alginic acid, sodium alginate, alginate, zinc alginate, potassium alginate, alginate potassium Sium, ammonium alginate, windbreak pain sanran, tomorrow, astaxanthin, alpha-lipoic acid, ginkgo biloba, elastin, L-carnitine, chitosan, chlorella, spirulina, ceramide, konogi palm, hyaluronic acid, bilberry, β-glucan, maca, pine Bark extract, lutein, African mango, citrus fruit extract, mushroom chitosan, kuzu flower extract, green coffee bean extract, green rooibos, black vinegar, ornithine, amino acids, olives, curcumin, agaricus, ganoderma Examples include, but are not limited to, phospholipids, oligolactic acid, ferulic acid, green soybean powder, lactobionic acid, cat's claw, and polyphenol.

  As a method for producing a particle by coating a drug layer containing an active ingredient on a core particle of the present embodiment, for example, a binding solution while flowing the core particle with a fluidized bed granulator (MP-25 type, manufactured by POWREC). Spraying a solution in which an active ingredient is dissolved or suspended, or spraying a binding liquid continuously while rolling in a centrifugal fluid coating device (CF granulator; manufactured by Freund), and simultaneously powdering the active ingredient And a method of immersing core particles in an active ingredient and a binding solution.

  The particles produced from the core particles of the present embodiment are preferably film-coated particles by applying a film coating layer on the particle surfaces. Film coating, for example, improves the ease of drinking, beautifies the appearance, prevents moisture, prevents oxidation, controls drug elution (for example, sustained release, enteric properties) for particles coated with a drug layer containing medicinal ingredients in the core particles , Gastric solubility), bitterness masking of drugs and prevention of deterioration, and the like.

  Film coating components used for the particles having the film coating layer of this embodiment include hypromellose, hydroxypropyl cellulose, polyvinyl alcohol, povidone, macrogol, ethyl acrylate / methyl methacrylate copolymer dispersion, acetyl glycerin fatty acid ester, Aminoalkyl methacrylate k polymer E, isopropylhydroxypropyl cellulose palmitate, castor oil, polyvinyl acetal diethylaminoacetate, beeswax, isopropyl 2-methyl-5-vinylpyridine methyl acrylate / methacrylic acid copolymer, glyceryl monostearate, aminoalkyl methacrylate Copolymer RS, gum arabic powder, ethyl cellulose, ethyl cellulose aqueous dispersion, o Tildecyl triglyceride, Opadry, hydrous silicon dioxide, triethyl citrate, glycerin fatty acid ester, synthetic aluminum silicate, synthetic wax, titanium oxide, magnesium oxide, dimethylaminoethyl methacrylate / methyl methacrylate copolymer, stearyl alcohol, D-sorbitol, Corn starch, triacetin, potato starch, hydroxypropyl methylcellulose acetate succinate, hypromellose phthalate, polyoxyethylene hydrogenated castor oil, polysorbate 80, D-mannitol, anhydrous citric acid, methacrylic acid copolymer L, methacrylic acid copolymer LD, Methacrylic acid copolymer S, magnesium aluminate metasilicate, methyl acrylate, methacrylic acid, And methacrylic acid copolymer, methyl cellulose, 2-methyl-5-vinylpyridine methyl acrylate / methacrylic acid copolymer, aluminum monostearate, glyceryl monostearate, sorbitan monostearate, sorbitan monolaurate, sodium lauryl sulfate, polysorbate, etc. .

  Although the quantity of a film coating layer changes with purposes, it is preferable that it is 1-50 mass parts of film coating layers with respect to 100 mass parts of particle | grains, and 1-30 mass parts is more preferable. If the film coating layer is 50 parts by mass or less, the particle diameter of the particles can be kept small and the roughness in the oral cavity is small, which is preferable. Also in tableting, fluidity uniformity due to the difference in particle diameter between particles and excipient is high, and separation and segregation hardly occur, which is preferable. Moreover, if a film coating layer is 1 mass part or more, the target elution control by a film coating layer becomes easy, and it is preferable.

  A pharmaceutical comprising a drug layer and cellulosic core particles covering the cellulosic core particles of the present embodiment, and further optionally containing a film coating layer, typically crystalline cellulose used in tablets, active ingredients, As components other than film coating components, for example, binders (hydroxypropylcellulose, gum arabic, etc.), stabilizers (eg, sodium benzoate, sodium alginate, etc.), lubricants (eg, magnesium stearate, talc, etc.) , Sweeteners (aspartame, D-mannitol, etc.), flavoring agents (aspartic acid, sodium aspartate, etc.), flavors (peppermint, menthol, etc.), disintegrants (crospovidone, carmellose, carmellose sodium, carmellose calcium, agar powder) , Sho Fatty acid ester, sodium carboxymethyl starch, pregelatinized starch, partially pregelatinized starch, povidone, croscarmellose sodium, etc.), and other like available ingredients preparation and food additives, etc. to be able to contain.

  As described above, in the present embodiment, when the particles or film-coated particles contain a medicinal ingredient, they may be administered as they are, or may be mixed with other agents and administered. It is more preferable that, after mixing with other appropriate excipients, tableting is performed to obtain a particle-containing tablet. Among the particle-containing tablets, an orally disintegrating tablet that rapidly disintegrates with saliva in the oral cavity is one of the most preferable dosage forms.

  Therefore, the manufacturing method of the orally disintegrating tablet rapidly disintegrating in the oral cavity containing the particle | grains or film coating particle | grains of this embodiment is demonstrated below.

  In this embodiment, the orally disintegrating tablet preferably contains 3-90% by mass of particles or film-coated particles, more preferably 3-70% by mass, with respect to 100% by mass of the tablet, It is more preferable to contain 50 mass%. If the content of the particles or film coating particles is 3% by mass or more, it is preferable because the medicinal effect of the active ingredient is easily expressed. On the other hand, if the content of the particles or film coating particles is 90% by mass or less, it is preferable because tablet hardness and disintegration time sufficient for an orally disintegrating tablet can be obtained.

  In this embodiment, it is preferable to contain celluloses (excluding cellulose contained in the cellulose-based core particles of the present invention) as a component of the orally disintegrating tablet, and the blending amount thereof is based on 100% by mass of the tablet. It is preferable that it is 1-30 mass%, and it is more preferable that it is 1-20 mass%. If the cellulose is 1% by mass or more, the hardness of the orally disintegrating tablet is preferably improved. If the cellulose content is 30% by mass or less, it is preferable that when it is used as an orally disintegrating tablet, no sagging occurs in the oral cavity and there is no problem with the feeling of administration.

  Examples of such celluloses include crystalline cellulose, powdered cellulose, and low-substituted hydroxypropyl cellulose. Crystalline cellulose is preferred from the balance of moldability and disintegration property of orally disintegrating tablets. Specific examples of the crystalline cellulose include, for example, Theolas (registered trademark) KG-1000, KG-802, PH-302, PH-301, PH-101, PH-102, UF-711, UF-702, and PH-200. PH-F20JP (all manufactured by Asahi Kasei Chemicals).

  In this embodiment, the orally disintegrating tablet is a sugar or sugar alcohol (eg, D-mannitol, lactose, erythritol, trehalose, xylitol, maltitol, sorbitol, sucrose), a disintegrant, an inorganic excipient (eg, anhydrous) Calcium hydrogen phosphate), starches (for example, pregelatinized starch), and other various additives used for production of general preparations may be included. Examples of such additives include lubricants, binders, fluidizers, corrigents, colorants, sweeteners, surfactants, and the like.

  As a lubricant, magnesium stearate, calcium stearate, talc, sucrose fatty acid ester, stearic acid, aluminum stearate, potassium sodium tartrate, light anhydrous silicic acid, carnauba wax, carmellose calcium, carmellose sodium, hydrous silicon dioxide, Examples thereof include hardened oil and hardened rapeseed oil. Lubricants are blended for the purpose of preventing powder from adhering to a mortar or pestle when tablets are compressed. If the lubrication effect is too strong, the moldability becomes weak, and an excessive compression pressure may be required to obtain a practical tablet hardness of 50 to 70 N. Tablets compressed with high pressure are not suitable for orally disintegrating tablets because the disintegration rate of the tablets tends to be delayed. Therefore, even in the present invention, it is necessary to perform tableting at the lowest possible pressure. From this point, the lubricant of the present invention is preferably magnesium stearate having a small amount and a high lubricating effect. The blending amount of the lubricant is preferably 0.05 to 3% by mass, more preferably 0.1 to 1.5% by mass with respect to 100% by mass of the tablet.

  Binders include water-soluble polysaccharides such as gelatin, pullulan, carrageenan, xanthan gum, tamarind gum, pectin, sodium alginate and gum arabic, celluloses such as hydroxypropylcellulose, hydroxypropylmethylcellulose and methylcellulose, pregelatinized starch, starch paste And synthetic polymers such as polyvinylpyrrolidone, carboxyvinyl polymer, and polyvinyl alcohol.

  Examples of the fluidizing agent include hydrous silicon dioxide and light anhydrous silicic acid.

  Examples of the corrigent include glutamic acid, fumaric acid, succinic acid, citric acid, sodium citrate, tartaric acid, malic acid, ascorbic acid, sodium chloride, menthol and the like.

  Examples of the flavor include orange, vanilla, strawberry, or yogurt-flavored flavor, and menthol.

  Examples of the colorant include food colors such as food red No. 3, food yellow No. 5, and food blue No. 1, and riboflavin.

  Examples of sweeteners include aspartame, saccharin, dipotassium glycyrrhizinate, stevia and the like.

  Examples of the surfactant include phospholipid, glycerin fatty acid ester, polyethylene glycol fatty acid ester, sorbitan fatty acid ester, polyoxyethylene hydrogenated castor oil, and the like.

  A specific method for producing the orally disintegrating tablet will be described.

  For example, there is a method in which film coating particles and an additive containing celluloses, sugars or sugar alcohols are mixed with a mixer to prepare a tableting powder, followed by tableting and manufacturing. Tableting can be produced, for example, by a known tableting device such as a rotary tableting machine or a single tableting machine. The pressure at the time of tableting is desirably as low as possible, preferably 20 kN or less, more preferably 15 kN or less, and still more preferably 10 kN or less. If the pressure at the time of tableting is too large, the film of the film-coated particles in the orally disintegrating tablet may be damaged, and it may become impossible to control the elution of the active ingredient, which is not preferable. Moreover, since the tableting pressure and the disintegration property of a tablet have a correlation with the porosity and water permeability in a tablet, it is preferable that a tableting pressure is low also in order to ensure the disintegration property as an orally disintegrating tablet.

  The tablet hardness of the orally disintegrating tablet is preferably 40 to 100N. If it is 40 N or more, there is little possibility that the side surface of the tablet is chipped or broken during transportation or storage. On the other hand, if it is 100 N or less, the disintegration property of the tablet is not too slow and satisfactory disintegration property as an orally disintegrating tablet can be obtained.

  Orally disintegrating tablets are pharmaceuticals and health food preparations that can be taken without water. For example, the disintegration time of tablets performed according to the 16th revised Japanese Pharmacopoeia, general test method "Disintegration test method" should be less than 60 seconds. Preferably, it is within 30 seconds.

  In an oral disintegration test in which a tablet is actually put into a human mouth and disintegrated only with saliva, the disintegration is preferably less than 60 seconds, and more preferably within 30 seconds.

  Hereinafter, the present invention will be described in detail with reference to Examples and Comparative Examples, but the present invention is not limited thereto.

The physical property measuring method and conditions used in the present invention are as follows. These measurement methods can be referred to as standard protocols for identifying the physical properties defined in the present invention.
<Nucleic particles, average particle diameter [μm]>
The particle size distribution was measured by sieving 20 g of a sample using a JIS standard sieve for 10 minutes with a low-tap sieve shaker (manufactured by Hiraiko Seisakusho Co., Ltd., sieve sieve A type), passed through a 75 μm sieve, The ratio (mass%) of the particles remaining on the 20 μm sieve was determined. In addition, the cumulative 50 mass% particle size in the sieve distribution was taken as the average particle size.
<Apparent bulk density [g / ml]>
Read the volume of the particle layer that was loosely packed into a 100 ml measuring cylinder (insert a funnel into the opening of the measuring cylinder and slowly pour the core particles over 5 to 10 seconds and let stand), and read 30 g The value divided by the volume (ml) was calculated. The number of repetitions was 3, and the average value was taken.
<Load peak value>
Using a granule strength measuring device (Grano, manufactured by Okada Seiko Co., Ltd.), measuring at a measurement speed of 250 μm / second, the inflection point of the slope in the output signal waveform obtained when the displacement is the X axis and the load is the Y axis Is the load peak value. At a displacement of 50% or less of the particle diameter of the measured particle, the initial point where the load did not change or changed over the displacement width more than twice the minimum moving step (1 μm) of the tip of the granule strength measuring device was changed. A music point. The average value of 100 particles in which inflection points could be detected was taken.
<Repose angle [°]>
Measurement is performed using a powder tester (PR-T type, manufactured by Hosokawa Micron Corporation). The number of repetitions was 3, and the average value was taken.
<Sphericity><shapefactor>
Images taken using a digital microscope (VH-7000, manufactured by Keyence, using VH-501 lens) are saved in 1360 x 1024 pixels, TIFF file format, and image processing analysis software (Image HyperII, manufactured by Digimo) is used. Then, the average value of the short diameter and long diameter of 100 particles was taken, and the sphericity was calculated from the average value of the short diameter / average value of the long diameter. Further, the shape factor was calculated from the average value of values obtained by dividing the length of the contour of 100 particles of the image by the circumference of a circle having the same area as the projected area of the particles.
<Water absorption capacity>
In accordance with the measurement of the oil absorption amount described in JIS K5101, using pure water instead of oil, 30 ml of pure water is added to 10 g of cellulosic core particles, allowed to stand at room temperature for 1 hour, filtered, and adhered water on the particle surface. After lightly wiping with a filter paper, the weight was measured, the water content was calculated from the increase in weight, and then divided by 10 g.
<Tablet hardness>
The hardness of the tablets was measured with a tablet hardness tester (Tablet Tester 8M / DR. SCHLEUNIGER) that is generally used. The tablet hardness was measured for each tablet, and the average value of the tablet hardness for 20 tablets was calculated.
<Tablet disintegration test>
It was carried out in accordance with the 16th revision Japanese Pharmacopoeia, General Test Method "Disintegration Test Method". Water was used as the test solution.
<Tablet oral disintegration test>
Using three healthy adult male subjects as subjects, the time required for the tablet to completely disintegrate with saliva in the oral cavity was measured. Each person was measured twice, and the average value of three people was calculated.
<Feeling of taking>
Using three healthy adult men as subjects, the feeling of taking tablets in the oral cavity was sensorially evaluated. If there is no problem with the taste and texture of the tablet, it was judged as “good”. If it felt powdery, it was judged as “feeling rough”, and if it felt grainy, it was judged as “uncomfortable”. . Each person was measured twice, and the evaluation of the subject's feeling of taking was judged as “good” only when both were “good”. And, for example, if the subject feels nothing about the first feeling and feels the second feeling again, the subject's evaluation is “feeling mottled”, and similarly, even once When the graininess of the particles was felt, it was determined as “uncomfortable”.

I. Production of nuclear particles

[Example 1]
High-speed agitation granulator with 1.2 kg of crystalline cellulose (product name: Theolas (registered trademark) UF-711, average polymerization degree 250, manufactured by Asahi Kasei Chemicals) and 0.3 kg of calcium silicate (product name: Florite, manufactured by Tokuyama) (VG-01, manufactured by Paulek), 1000 g of pure water was added, and granulated for 30 minutes. 2.5 kg of these particles were charged into a tumbling fluidized bed granulation coating device (MP-01, manufactured by POWREC), and 550 g of pure water was supplied at a rate of 10 g / min while rolling at a supply temperature of 25 ° C. for 60 minutes. I moved it. Thereafter, the particles dried by raising the air supply temperature to 100 ° C. are pulverized in a jet mill pulverizer (STJ-400A, manufactured by Seishin), sieved with a sieve having an opening of 63 μm and a sieve of 20 μm, and a core of 20 to 63 μm. Particles (C) were obtained. The ratio of 20 to 75 μm of the obtained core particles (C) was 96% by mass. The physical properties are shown in Table 1.

[Example 2]
High-speed agitation granulator with 1.2 kg of crystalline cellulose (product name: Theolas (registered trademark) UF-711, average polymerization degree 250, manufactured by Asahi Kasei Chemicals) and 0.3 kg of calcium silicate (product name: Florite, manufactured by Tokuyama) (VG-01, manufactured by Paulek), 1000 g of pure water was added, and granulated for 30 minutes. 2.5 kg of these particles were charged into a tumbling fluidized bed granulation coating device (MP-01, manufactured by POWREC), and 550 g of pure water was supplied at a rate of 10 g / min while rolling at a supply temperature of 25 ° C. for 60 minutes. I moved it. Thereafter, the particles dried by raising the air supply temperature to 100 ° C. are pulverized in a bantam mill (AP-B, manufactured by Hosokawa Micron Corporation), sieved with a sieve having a mesh size of 63 μm and a 20 μm sieve, and 20 to 63 μm core particles. (D) was obtained. The ratio of 20 to 75 μm of the core particles (D) was 96% by mass. The physical properties are shown in Table 1.

[Example 3]
Crystalline cellulose (product name: Theolas (registered trademark) PH-101, average polymerization degree 300, manufactured by Asahi Kasei Chemicals) 1.2 kg and calcium silicate (product name: Florite, manufactured by Tokuyama) 0.3 kg (VG-01, manufactured by Paulek), 950 g of pure water was added, and granulated for 30 minutes. 2.45 kg of these particles were charged into a tumbling fluidized bed granulation coating device (MP-01, manufactured by POWREC), and 500 g of pure water was supplied at a rate of 10 g / min while rolling at a supply temperature of 25 ° C. for 60 minutes. I moved it. Thereafter, the particles dried by raising the air supply temperature to 100 ° C. are pulverized in a bantam mill (AP-B, manufactured by Hosokawa Micron Corporation), sieved with a sieve having a mesh size of 63 μm and a 20 μm sieve, and 20 to 63 μm core particles. (E) was obtained. The ratio of 20 to 75 μm of the core particles (E) was 97% by mass. The physical properties are shown in Table 1.

[Example 4]
Crystallized cellulose (product name: Theolas (registered trademark) UF-711, average polymerization degree 250, manufactured by Asahi Kasei Chemicals Corporation) 0.75 kg and calcium silicate (product name: Florite, manufactured by Tokuyama) 0.75 kg (VG-01, manufactured by Paulek), 1100 g of pure water was added, and granulated for 30 minutes. 2.6 kg of these particles were charged into a tumbling fluidized bed granulation coating device (MP-01, manufactured by POWREC), and 700 g of pure water was supplied at a rate of 10 g / min while rolling at a supply temperature of 25 ° C. for 60 minutes. I moved it. Thereafter, the particles dried by raising the air supply temperature to 100 ° C. are pulverized in a bantam mill (AP-B, manufactured by Hosokawa Micron Corporation), sieved with a sieve having a mesh size of 63 μm and a 20 μm sieve, and 20 to 63 μm core particles. The core particle (F) of (F) was obtained. The ratio of 20 to 75 μm of the obtained core particles (F) was 97% by mass. The physical properties are shown in Table 1.

[Example 5]
Crystalline cellulose (product name: Theolas (registered trademark) UF-711, average polymerization degree 250, manufactured by Asahi Kasei Chemicals) 0.30 kg and calcium silicate (product name: Florite, manufactured by Tokuyama) 1.20 kg (VG-01, manufactured by Paulek), 1200 g of pure water was added, and granulated for 30 minutes. 2.7 kg of these particles were charged into a tumbling fluidized bed granulation coating apparatus (MP-01, manufactured by POWREC), and 700 g of pure water was fed at a rate of 10 g / min while rolling at an air supply temperature of 25 ° C. for 60 minutes. I moved it. Thereafter, the particles dried by raising the air supply temperature to 100 ° C. are pulverized in a bantam mill (AP-B, manufactured by Hosokawa Micron Corporation), sieved with a sieve having a mesh size of 63 μm and a 20 μm sieve, and 20 to 63 μm core particles. (G) was obtained. The ratio of 20 to 75 μm of the obtained core particles (G) was 98% by mass. The physical properties are shown in Table 1.

[Example 6]
Crystalline cellulose (product name: Theolas (registered trademark) UF-711, average polymerization degree 250, manufactured by Asahi Kasei Chemicals Co., Ltd.) 0.15 kg and calcium silicate (product name: Florite, manufactured by Tokuyama) 1.35 kg (VG-01, manufactured by Paulek), 1300 g of pure water was added, and granulated for 30 minutes. 2.8 kg of these particles were charged into a tumbling fluidized bed granulation coating apparatus (MP-01, manufactured by POWREC), and 700 g of pure water was supplied at a rate of 10 g / min while rolling at a supply temperature of 25 ° C. for 60 minutes. I moved it. Thereafter, the particles dried by raising the air supply temperature to 100 ° C. are pulverized in a bantam mill (AP-B, manufactured by Hosokawa Micron Corporation), sieved with a sieve having a mesh size of 63 μm and a 20 μm sieve, and 20 to 63 μm core particles. (H) was obtained. The ratio of 20 to 75 μm of the obtained core particles (H) was 98% by mass. The physical properties are shown in Table 1.

[Example 7]
1.2 kg of crystalline cellulose (product name: Theolas (registered trademark) PH-101, average polymerization degree 300, manufactured by Asahi Kasei Chemicals) and 0.3 kg of light anhydrous silicic acid (product name: Aerosil, manufactured by Aerosil Japan) are granulated at high speed. A machine (VG-01, manufactured by Paulek) was added, 950 g of pure water was added, and granulated for 30 minutes. 2.45 kg of these particles were charged into a tumbling fluidized bed granulation coating device (MP-01, manufactured by POWREC), and 500 g of pure water was supplied at a rate of 10 g / min while rolling at a supply temperature of 25 ° C. for 60 minutes. I moved it. Thereafter, the particles dried by raising the supply temperature to 100 ° C. are pulverized in a bantam mill (AP-B, manufactured by Hosokawa Micron), sieved with a sieve having an opening of 106 μm and a sieve of 20 μm, and 20 to 106 μm of core particles. (I) was obtained. The ratio of 20 to 75 μm of the obtained core particles (I) was 55% by mass. The physical properties are shown in Table 1.

[Example 8]
Next, 500 mg of each of the core particles obtained in Examples 1 to 7 was weighed and subjected to a static pressure press (1011 CREEP, manufactured by AIKOH ENGINEERING) with a 11 mmφ mortar with a tableting pressure of 3 kN to produce tablets. Table 2 shows the hardness of each tablet.

  In any case, the tablet hardness was 50 N or more, and good tablet hardness could be obtained.

The physical properties of the core particles of the examples are summarized in Table 1 below.

The tablet hardness of the examples is summarized in Table 2 below.

[Comparative Example 1]
In the same manner as in Examples, 0.075 kg of crystalline cellulose (product name: Theolas (registered trademark) UF-711, average polymerization degree 250, manufactured by Asahi Kasei Chemicals) and 1.425 kg of calcium silicate (product name: Florite, manufactured by Tokuyama) The mixture was charged into a high-speed agitation granulator (VG-01, manufactured by Paulek), 1350 g of pure water was added, and granulated for 30 minutes. 2.85 kg of these particles were charged into a tumbling fluidized bed granulation coating apparatus (MP-01, manufactured by POWREC), and 700 g of pure water was supplied at a rate of 10 g / min while rolling at a supply temperature of 25 ° C. for 60 minutes. I moved it. Thereafter, the particles dried by raising the supply temperature to 100 ° C. are pulverized in a bantam mill (AP-B, manufactured by Hosokawa Micron), sieved with a sieve having an opening of 106 μm and a sieve of 20 μm, and 20 to 106 μm of core particles. (A) was obtained. The ratio of 20 to 75 μm of the obtained core particles (a) was 98% by mass. Table 3 shows the physical properties.

[Comparative Example 2]
Crystallized cellulose (product name: Theolas (registered trademark) UF-711, average polymerization degree 250, manufactured by Asahi Kasei Chemicals Corporation) 0.75 kg and calcium silicate (product name: Florite, manufactured by Tokuyama) 0.75 kg (VG-01, manufactured by Paulek), 1100 g of pure water was added, and granulated for 30 minutes. 2.6 kg of these particles were charged into a tumbling fluidized bed granulation coating device (MP-01, manufactured by POWREC), and 700 g of pure water was supplied at a rate of 10 g / min while rolling at a supply temperature of 25 ° C. for 60 minutes. I moved it. Thereafter, the air supply temperature was raised to 100 ° C. and dried to obtain core particles (d). Table 3 shows the physical properties of the obtained core particle (d).

[Comparative Example 3]
Next, 500 mg of each of the core particles obtained in Comparative Examples 1 and 2 was weighed and subjected to a static pressure press (1011 CREEP, manufactured by AIKOH ENGINEERING) for 10 seconds using a 11 mmφ mortar with a tableting pressure of 3 kN to prepare tablets. Each tablet hardness is shown in Table 4.

In all cases, the tablet hardness was 50 N or less, and it was unsuitable to produce tablets. Table 3 below summarizes the physical properties of the core particles of the comparative example.

The tablet hardness of the comparative example is summarized in Table 4 below.

II. Production of film coated particles [Example 9]
800 g of the core particles of Example 1 are put into a Wurster type fluidized bed granulation coating apparatus (MP-01 type, manufactured by POWREC), spray air pressure: 0.16 MPa, spray air flow rate: 40 L / min, protective air pressure: 0.00. 2 MPa, supply temperature: 75 ° C., exhaust temperature: 35 ° C., air volume: 30 to 50 m 3 / h, 10 parts by mass of riboflavin, 2 parts by mass of hydroxypropylcellulose (HPC-L, Nippon Soda), 88 mass of water Part of the suspension was sprayed at a supply rate of 10 g / min, and the riboflavin-containing coating layer (drug layer) was coated until 100 parts by mass of the core particles of Example 1 was 2 parts by mass of riboflavin. The particles in which the core particles of Example 1 were coated with riboflavin were sieved with a 212 μm sieve to remove the aggregated particles to obtain layered granules (particles having a drug layer covering the core particles).

Next, 700 g (212 μm or less) of layering granules in which the core particles of Example 1 were coated with riboflavin were put into a Wurster type fluidized bed granulation coating apparatus (MP-01 type, manufactured by POWREC), and an aqueous ethylcellulose dispersion / triethyl citrate. /Hydroxypropylmethylcellulose/water=34.3/2.6/2.1/61.0 by mass composition, spray air pressure: 0.16 MPa, spray air flow rate: 40 L / min, protective air pressure: 0.2 MPa , Air supply temperature: 75 ° C., exhaust temperature: 35 ° C., air volume: 30-50 m ³ / h, sprayed at a supply rate of 10 g / min. The film coating was applied up to 15.0 parts by weight. After the drug layer containing riboflavin was coated on the core particles of Example 1, the particles coated with the film coating were sieved with a 212 μm sieve to remove the agglomerated particles to obtain film coated particles. Table 5 shows the average particle diameter of the film coating particles.

  The same operation was performed on the core particles of Examples 2 to 7.

The average particle diameter of the film coating particles of Example 9 is summarized in Table 5 below.

[Comparative Example 4]
800 g of the core particles of Comparative Example 1 are put into a Wurster type fluidized bed granulation coating apparatus (MP-01 type, manufactured by POWREC), spray air pressure: 0.16 MPa, spray air flow rate: 40 L / min, protective air pressure: 0.00. 2 MPa, supply temperature: 75 ° C., exhaust temperature: 35 ° C., air volume: 30 to 50 m 3 / h, 10 parts by mass of riboflavin, 2 parts by mass of hydroxypropylcellulose (HPC-L, Nippon Soda), 88 mass of water Part of the suspension was sprayed at a supply rate of 10 g / min, and the riboflavin-containing coating layer was coated until 100 parts by mass of the core particles of Comparative Example 1 were 2 parts by mass of riboflavin. Particles obtained by coating the core particles of Comparative Example 1 with riboflavin were sieved with a 212 μm sieve to remove the aggregated particles, thereby obtaining layered granules.

Next, 700 g (212 μm or less) of layering granules in which the core particles of Comparative Example 1 were coated with riboflavin were placed in a Wurster fluidized bed granulation coating apparatus (MP-01 type, manufactured by POWREC), and an ethylcellulose aqueous dispersion / triethyl citrate. /Hydroxypropylmethylcellulose/water=34.3/2.6/2.1/61.0 by mass composition, spray air pressure: 0.16 MPa, spray air flow rate: 40 L / min, protective air pressure: 0.2 MPa , Air supply temperature: 75 ° C., exhaust temperature: 35 ° C., air volume: 30-50 m ³ / h, sprayed at a supply rate of 10 g / min. The film coating was applied up to 15.0 parts by weight. After coating the drug layer containing riboflavin on the core particles of Comparative Example 1, the film-coated particles were sieved with a 212 μm sieve to remove the aggregated particles to obtain film-coated particles. Table 6 shows the physical properties of the film coating particles.

  The same operation was performed on the core particles of Comparative Example 2.

The average particle diameter of the film coating particles of Comparative Example 4 is summarized in Table 6 below.

III. Production of orally disintegrating tablets [Production Example 1]
300 g of crystalline cellulose Theorus (registered trademark) KG-1000 (manufactured by Asahi Kasei Chemicals) and 700 g of erythritol (manufactured by Mitsubishi Chemical Foods) are charged into a vertical granulator granulator, and granulated with stirring while dropping water. Granules were obtained. Furthermore, after this granulated granule was transferred to a fluidized bed dryer and the granulated granule was dried, the granulated granule was sieved with a 600 μm sieve and granulated with an average particle size of 150 to 200 μm containing crystalline cellulose and erythritol. Granules were obtained.

The conditions for stirring granulation were as follows.
(1) Equipment used: Vertical granulator (trade name) FM-VG-10 (Powrec)
(2) Amount of water added: 200 g
(3) Blade rotation speed: 280 rpm
(4) Chopper rotation speed: 3000rpm
(5) Granulation time: 3 minutes Drying conditions were as follows.
(1) Equipment used: Multiplex (trade name) MP-01 type (Powrec)
(2) Air volume: 50 m ³ / hour (3) Supply air temperature: 70-75 ° C
(4) Exhaust temperature: 45 ° C stop

[Example 10]
Next, the film coating particles of Example 1 obtained in Example 8 were 30.0% by mass, the granulated granules obtained in Production Example 1 were 56.9% by mass, anhydrous calcium hydrogen phosphate (Fujicalin (trade name) 5.0% by mass of Fuji Chemical Co., Ltd., 5.0% by mass of crystalline cellulose (Ceolas (registered trademark) KG-1000 (trade name), manufactured by Asahi Kasei Chemicals), and pregelatinized starch (SWELSTAR PD-1 ( Product name), 3.0% by mass of Asahi Kasei Chemicals Co., Ltd., and 0.1% by mass of magnesium stearate (Taihei Chemical Industry) are mixed with a rotary tableting machine (Libra 2 (trade name), manufactured by Kikusui Seisakusho) Tableted. Use a mortar for tableting with a diameter of 9.5 mm and a radius of concave surface of 13.5 mm, tablet at a turntable rotation speed of 40 rpm and a compression pressure of 7.0 kN, and a tablet with a tablet weight of 380 mg. Obtained. The same operation was performed on the film coating particles of Examples 2 to 7 obtained in Example 8.

  All tablets using the core particles of Examples 1 to 7 had a hardness of 50 N or more, a disintegration time of 30 seconds or less, and a good feeling of dosing.

  Table 7 shows the physical properties of the obtained tablets.

[Comparative Example 5]
Similarly to Example 10, 30.0% by mass of the film coating particles of Comparative Example 1 obtained in Comparative Example 4, 56.9% by mass of the granulated granules obtained in Production Example 1, and anhydrous calcium hydrogen phosphate (Fujicalin ( (Trade name) manufactured by Fuji Chemical Co., Ltd. (5.0% by mass), crystalline cellulose (Ceorus (registered trademark) KG-1000 (trade name), manufactured by Asahi Kasei Chemicals Co., Ltd.), 5.0% by mass, pregelatinized starch (SWELSTAR PD) -1 (trade name), manufactured by Asahi Kasei Chemicals Co., Ltd., 3.0% by mass, and magnesium stearate (manufactured by Taihei Chemical Industry Co., Ltd.), 0.1% by mass. Tablet). Use a mortar for tableting with a diameter of 9.5 mm and a radius of concave surface of 13.5 mm, tablet at a turntable rotation speed of 40 rpm and a compression pressure of 7.0 kN, and a tablet with a tablet weight of 380 mg. Obtained. The same operation was performed on the film coating particles of Comparative Example 2 obtained in Comparative Example 4.

  The tablets using the core particles of Comparative Examples 1 and 2 were inadequate as orally disintegrating tablets due to the lack of hardness (50 N or less) and feeling of particle roughness due to feeling of administration.

  Table 8 shows the physical properties of the obtained tablets.

The tablet physical properties of Example 10 are summarized in Table 7 below.

The tablet physical properties of Comparative Example 4 are summarized in Table 8 below.

  The present invention can be suitably used in the field of pharmaceutical preparations containing pharmaceutical drugs. Since it has particularly excellent disintegration properties, it can be used as a disintegrating solid preparation that can be taken without water, preferably as a solid preparation (tablet) that is rapidly disintegrating in the oral cavity.

1. . Nuclear particles2. . Drug layer 2. . Particles 4. . 4. Film coating layer . Film coating particles

Claims (10)

  Tablet hardness when containing 10% by mass or more of cellulose and 90% by mass or less of excipient, apparent bulk density of 0.20 g / ml or more and less than 0.60 g / ml, angle of repose 38 to 50 °, and impact pressure 3 kN Having a particle size of 50 N or more, passing through a sieve having an opening of 75 μm, and remaining on the sieve having an opening of 20 μm is 50% by mass or more, and a cellulose and an excipient having a shape factor of 1.05 to 2.50 Cellulose-based core particles containing   The above excipient is hydrous silicon dioxide, light anhydrous silicic acid, synthetic aluminum silicate, magnesium alumina hydroxide, magnesium aluminate metasilicate, magnesium aluminate silicate, calcium silicate, hydrous non-crystalline silicon oxide, silicic acid The cellulosic core particle according to claim 1, which is at least one compound selected from the group consisting of magnesium and hydrous magnesium silicate.   The cellulosic core particle according to claim 1, wherein the excipient is calcium silicate or light anhydrous silicic acid.   The cellulosic core particle according to any one of claims 1 to 3, which has a water absorption capacity of 0.3 ml / g or more and less than 1.5 ml / g.   A particle having the cellulosic core particle according to any one of claims 1 to 4 and a drug layer covering the core particle.   6. A film-coated particle comprising the particle according to claim 5 and a film coating layer covering the particle.   A tablet containing the particles according to claim 5 or the film-coated particles according to claim 6.   The tablet according to claim 7 containing 3 to 90% by mass of the particle according to claim 5 or the film coating particle according to claim 6.   The tablet according to claim 7, wherein the disintegration time measured according to the 16th revised Japanese Pharmacopoeia disintegration test method is less than 60 seconds.   The method according to any one of claims 1 to 4, comprising a step of pulverizing a granulated product containing 10% by mass or more of cellulose and 90% by mass or less of an excipient and having a load peak value of 200 to 1000 mN. A method for producing cellulosic core particles.

Images