KR19990077172A - β-lactam antibiotic-containing tablets and preparation method thereof - Google Patents

Abstract

The present invention can be taken in its own form because of its small size, or in the form of a dispersion resulting from easy self-decay when put in water in a cup when administered to an elderly person who has some difficulty swallowing. And β-lactam antibiotic-containing tablets and methods of making the same. Tablets of the present invention comprise 60-85% of the β-lactam antibiotics per tablet, 1-10% by weight of low-substituted hydroxypropylcellulose and / or crosslinked polyvinylpyrrolidone as disintegrant and 0.5-2% by weight of binder. It contains%. Granules compressed for tableting are prepared using an aqueous solution such as water or ethanol.

Description

β-lactam antibiotic-containing tablets and preparation method thereof

In particular, β-lactam antibiotics such as cefixime and cefdinir are generally administered in a single dose of 200 mg to 400 mg titer in Europe and the Americas, where the unit dosage form is a capsule or tablet It should be quite large in size. When 400 mg titer capsules are produced, for example, the capsule size is approximately zero, and the average adult patient, as well as patients having difficulty swallowing, feels resistant or pressured to take them. These capsules are really hard to take. In the case of tablets, 400 mg titer tablets also generally weigh between 700 and 1,000 mg per tablet and are therefore large.

Problems caused by taking such large dosage forms place unnecessary pressure on the patient when taking. Therefore, there has been a demand for improvement in dosage.

Therefore, the present inventors can provide a dosage form with an improved dosage that makes it easier for the recipient to take the tablet by reducing the tablet size as much as possible, while at the same time administering it to older people or children who have difficulty in swallowing the dosage form. It is intended to provide a dosage form that can be taken in the form of a dispersion resulting from rapid magnetic disintegration by simply putting it in water, such as in a cup. As used herein, the expression “rapid self-disintegration” means that when the formulation is placed in a cup containing a liquid, such as water, the tablet form is generally spontaneous within 3 minutes, preferably within 1 minute. It means that the agent can be taken in the form of a dispersion without waiting a long time before taking.

It is easy to prepare tablets that can self decay very quickly, for example by incorporating a blowing agent comprising a combination of sodium hydrogen carbonate and tartaric acid. However, when taking such tablets, the patient foams in the oral cavity and the patient feels uncomfortable or unnecessary anxiety. It is necessary to use moisture-proof packaging material in order to ensure good half-life in a humid environment, which increases the manufacturing cost. Therefore, in developing a dosage form to be provided by the present invention, it has been a major challenge to find a formulation that can self decay very quickly without the aid of a foaming component.

Techniques for preparing β-lactam antibiotic-containing tablets that can be easily taken as tablets and can also be taken in the form of dispersions produced by self-disintegration are described in European Patent EP 0281200 B (corresponding Japanese patent application: Japanese Patent Application No. 63). 3-1820), which is based on the weight of β-lactam antibiotics, from 24 to 70% by weight of microcrystalline cellulose or micro cellulose as the first disintegrant and low as the second disintegrant; It adds 2 to 20% by weight of substituted hydroxypropyl cellulose and the like.

However, the first disintegrant is used in large quantities and increases the tablet size. In addition, the proportion of the binder component for wet granulation is as low as 0 to 0.1% by weight based on antibiotics and is therefore practically absent. This is because the use of binders results in very poor self-decay properties of tablets. In these tablet manufacturing processes where no binder is used, a special method is used to ensure the integrity of the workpiece, which is a combination of antibiotic bulk material and microcrystalline cellulose, followed by the use of alcohol Kneading the mixture with the aid of water under application. As a result, a large mass is necessarily formed, which is ground in a wet state and then dried, and further ground to provide tableting granules. The problem is that these steps are very inefficient.

Tablets containing the amoxicillin, a β-lactam antibiotic, are sold under the trade name Flemoxin Solutab 500 by Brocades Pharma (Netherlands), the patent holder of the European patent. The tablets each contain a titer of about 500 mg of amoxicillin (about 570 mg) and weigh about 970 mg, which is very large and not entirely suitable for oral administration.

Most β-lactam antibiotics are used. Therefore, although not so used when tablets are taken as is, aqueous dispersions prepared from tablets containing them have a bitter taste when taken. In order to mask bitterness it is necessary to incorporate sweeteners, preferably synthetic sweeteners which are effective at low levels of addition and are therefore suitable for miniaturizing tablets. However, when commercially available synthetic sweeteners are incorporated, problems arise. That is, the self-disintegrating properties of tablets are poor because synthetic sweeteners are soluble in water and become viscous and sticky.

The present invention relates to β-lactam antibiotic-containing tablets and methods for their preparation. More particularly, the present invention relates to β-lactam antibiotic-containing tablets and methods for preparing the same, which can be taken as a dispersion usable during self-decay by injecting tablets into the water of a cup when taken as it is or by elderly people who have difficulty swallowing. It is about.

In order to develop a method for improving the self-disintegration rate of tablets and at the same time minimizing tablets, the inventors have investigated the types of disintegrants used, their addition levels, binder addition levels, synthetic sweetener particle sizes and methods of incorporation thereof. As a result, the inventors have invented β-lactam antibiotic-containing tablets which are small in size, have good self-decay properties and can be produced by conventional methods.

In addition, the inventors have found that when granulation is carried out using ethanol, isopropyl alcohol, or an aqueous solution of ethanol and isopropyl alcohol, a tablet can be obtained which exhibits better dispersibility upon self-disintegration.

The β-lactam antibiotic-containing tablets of the present invention comprise 60 to 85% by weight of β-lactam antibiotics per tablet, 1 to 10% by weight of low-substituted hydroxypropylcellulose and / or crosslinked poly as disintegrating agents. Vinylpyrrolidone, and 0.5 to 2 weight percent binder.

Preferably, the β-lactam antibiotic-containing tablet of the present invention further contains 0.5 to 15% by weight synthetic sweetener and / or granulated synthetic sweetener per tablet.

The method for preparing β-lactam antibiotic-containing tablets of the present invention optionally comprises the above-described respective proportions of β-lactam antibiotics, disintegrants and binders with ethanol, isopropyl alkyl or ethanol or isopropyl alcohol in combination with one or more excipients. The aqueous solution is granulated and the granulation product is mixed with the synthetic sweetener and / or granulated synthetic sweetener in the proportion specified above, optionally with one or more other additives, and the resulting mixture is compressed.

Β-lactam antibiotics used in the practice of the present invention are medicated upon oral administration, for example, Sepiksim and ceftinir, represented by the structural formulas shown below, and Sephachlor, Ceproxadine, Sepad, respectively. Roxyl, cephaloglycin, cephalexin, cepradine, amoxicillin, ampicillin and the like.

Sepiksim

Cefnydr

Each tablet contains such β-lactam antibiotics in a proportion of 60 to 85% by weight, preferably 65 to 80% by weight.

As a result of investigating the types of disintegrants used in the practice of the present invention and the level of addition thereof, ECG 505 (trade name; carboxymethyl cellulose calcium), Ac-Di-Sol (trade name; crosslinked carboxymethyl cellulose sodium) and Compared with salt disintegrating agents such as Primozel® (trade name; Sodium starch glycolate), non-ions such as low-substituted hydroxypropylcellulose (L-HPC) and crosslinked polyvinylpyrrolidine It has been found that even when a small amount of type disintegrant is added, it can show a very good disintegration effect. Low-substituted hydroxypropyl cellulose is a product derived from cellulose by partial substitution with a 2-hydroxypropoxy group, with a degree of substitution of 25% or less, preferably 7-16%.

In general, low-substituted hydroxypropyl cellulose and crosslinked polyvinylpyrrolidone can be used in combination, but are incorporated into tablets independently.

Such disintegrants are used in proportions of 1 to 10% by weight, preferably 3 to 8% by weight, based on the sugar content.

Tablets of the present invention also contain a binder as an essential component. The addition of a binder has an adverse effect on the self-decay nature of the tablet, and therefore is undesirable in view of the self-decay side. However, the preparation of tablets without the addition of any binder presents the inconvenience as previously mentioned herein.

The inventors of the present invention have investigated the types of binders that do not adversely affect the self-disintegrating properties of tablets and their levels of addition. Preferred binders are, for example, polyvinylpyrrolidone, hydroxypropylcellulose, preferably low-viscosity (L-type) hydroxypropylcellulose, hydroxypropylmethylcellulose, methylcellulose, starch, preparative Gelatinized starch, partially gelatinized starch, gum arabic, dextrin, pullulan and the like can now be mentioned. Among these binders, polyvinylpyrrolidone, hydroxypropylcellulose and hydroxypropylmethylcellulose are more preferred, and polyvinylpyrrolidin is most preferred. When these binders are used in an amount of 0.5 to 2% by weight, preferably 0.8 to 1.5% by weight, tablets which can be quickly self-disintegrated can be prepared by conventional methods of preparation.

Because β-lactam antibiotics such as Sepiksim and Cefdinir have a strong bitter taste, they are not always necessary when the tablets are taken on their own, but for example, after tablets self-decay in water, in the form of dispersion It is necessary to add synthetic sweeteners if they are to be taken.

With respect to the level of synthetic sweetener added, which may vary depending on the type of synthetic sweetener and the active ingredient β-lactam antibiotics, the sweetener is generally incorporated into the tablet at a rate of 0.5 to 15% by weight, preferably 1 to 10% by weight. Let's do it.

Commercially available synthetic sweetener products are generally small, i.e. have an average particle size of less than 150 micrometers, and particles larger than 150 micrometers are less than 4% of the total. The incorporation of such products surprisingly reduces the rate of disintegration of the tablets. To improve the rate of disintegration, the prior art utilizes methods that include incorporating large amounts of excipients such as microcrystalline cellulose. However, incorporating a large amount of excipient according to the method increases the tablet size and makes it difficult to take the tablet easily. The inventors have found that the rate of disintegration is improved, i.e. delayed, when the particle size of the synthetic sweetener is increased or when the granulated mixture of synthetic sweetener and hard silicic acid, hydrated silicon dioxide, etc. is added. It was found that it is prevented.

As a result, the present invention consists of miniaturized tablets which can be easily taken on their own and which, when put into the water of a cup, quickly self-degrade and make it possible to administer the tablets in the form of a dispersion. When a synthetic sweetener such as saccharin, salts thereof (e.g. saccharin calcium, saccharin sodium), cyclamic acid or salts thereof (e.g. sodium cyclamate, calcium cyclamate, ammonium cyclamate) is used, the sweetener is an average particle. It is required that the size is at least 150 μm, preferably the particle size is at least 150 μm. Sweeteners that can block bitter taste satisfactorily in small quantities, such as aspartame, are not always required to have an average particle size of 150 μm or more because tablets' disintegration capacity is hardly affected.

Synthetic sweeteners are wetted from such powders by wet granulation from crystalline granules having an average particle size of at least 150 μm, or from powder forms with a small average particle size, or with colorants and / or microcrystalline cellulose or excipients. It may be incorporated in the form of granule products which meet the particle size requirements obtained by granulation or dry granulation.

A granular product containing hard silicic anhydride or hydrated silicon dioxide in addition to the synthetic sweetener mixes the synthetic sweetener with 1-30% by weight of hard anhydrous silicic acid or hydrated silicon dioxide relative to the weight of the synthetic sweetener and the mixture is conventionally required, If desired, it may be prepared by granulation using a binder and / or one or more other additives commonly used. It has been found that for granular products containing synthetic sweeteners with hard silicic anhydride or hydrated silicon dioxide, the particle size is not important and as a result is never adversely affected even when the average particle size is 150 μm or less. As for the other components used to prepare the tablets of the present invention, the same components or additives as those conventionally used in the preparation of solid preparations can be mentioned. Thus, in addition to the above-mentioned synthetic sweeteners or granulated synthetic sweeteners, excipients such as microcrystalline cellulose, lactose, mannitol, starch and the like, fluidizing agents such as hard anhydrous silicic acid and hydrated silicon dioxide, magnesium stearate, stearic acid, Lubricants such as talc, flavoring agents and other agents can be incorporated if the self-invasive properties are not adversely affected. When β-lactam antibiotics have a large particle size, it can be ground before use. In this case, however, wet and dry granulation are required to improve powder flowability in the compacting step.

In a preferred process for preparing tablets of the invention, the above-defined disintegrants and binders, optionally together with other components, are added to the β-lactam antibiotics and the mixture is granulated by conventional methods, followed by The above-mentioned synthetic sweeteners and / or granulated synthetic sweeteners are further added, optionally with one or more ingredients (eg, glidants, lubricants, flavoring agents), and the resulting mixture is tableted.

In the above manufacturing process, when water is used for granulation in the granulation step, tablets having good self-collapse properties are generally obtained. In this regard, the inventors further find that when ethanol, isopropyl alcohol, or a mixture of water and ethanol or isopropyl alcohol is used for granulation, good self-collapse properties and very good dispersibility when making dispersion in water It has been found that tablets can be obtained. Concentrations of aqueous solutions of ethanol or isopropyl alcohol suitable for use are 3 to 99% (volume / volume), preferably 10 to 60% (volume / volume).

Example 1

Water was added to saccharin calcium and the mixture was granulated by conventional methods, dried, sieved and sieved to yield saccharin calcium granules having a particle size of at least 150 μm.

According to the formulation shown below, the micronized bulk material, microcrystalline cellulose, low-substituted hydroxypropyl cellulose (L-HPC) and polyvinylpyrrolidone were weighed and mixed together, followed by addition of water And the mixture was granulated. The granulation product was dried under flowing air at 40 ° C. for 17 hours and sized using a 500 μm sieve. The sieved granules were mixed with magnesium stearate, light anhydrous silicic acid, strawberry flavourant and the granulated saccharin calcium mentioned above and pressed with a single tablet press to obtain tablets each having a specified weight.

Table 8

448.9 mg (400 mg titer) of micronized seppic sim bulk material

Microcrystalline Cellulose 38.9 mg

(Avicel ^TM PH101; Asahi Chemical Industry)

L-HPC 38.9 mg

(LH-21; Shin-Etsu Chemical)

Polyvinylpyrrolidone 4.9 mg

(Kollidon ^™ 30; BASF)

Hard silicic anhydride 1.2 mg

(Aerosil ^TM; Tomita Seiyaku)

Magnesium Stearate 5.9 mg

Saccharin Calcium 20.0 mg

(Particle size is over 150㎛)

Strawberry Flavor 7.5 mg

566.2 mg total

Example 2

Saccharin calcium and light silicic anhydride were mixed together in a ratio of 20: 1 and then water was added. The resulting mixture was granulated by conventional methods, dried and sizing to give a granulated mixture (particle size 75-500 μm) of saccharin calcium and light silicic anhydride.

A tablet was then prepared according to the procedure of Example 1 except that 21 mg of the granulated mixture was used instead of 20 mg of saccharin calcium (Example 1, Table 8).

Example 3

Saccharin calcium and hydrated silicon dioxide were mixed together in a ratio of 20: 1 and then water was added. The resulting mixture was granulated, dried and sized by conventional methods to obtain a granulated mixture (particle size 75-500 μm) of saccharin calcium and hydrated silicon dioxide.

A tablet was then prepared according to the procedure of Example 1 except that 21 mg of the granulated mixture was used instead of 20 mg of saccharin calcium (Example 1, Table 8).

Example 4

Example 1, except that the tablets each containing 400 mg (titer) of Sepiksim replaced the L-HPC of Table 1 with the same amount of crosslinked polyvinylpyrrolidone (Kollidon ^™ CL; BASF) Prepared in a similar manner.

Example 5

Tablets each containing 400 mg (titer) of Sepiksim were replaced with Example 1 except that the polyvinylpyrrolidone of Table 1 was replaced with the same amount of hydroxypropyl cellulose (HPC-L; Nippon Soda). Prepared in a similar manner.

Example 6

Tablets each containing 400 mg (titer) of Sepiksim replaced the polyvinylpyrrolidone of Table 1 with the same amount of hydroxypropylmethylcellulose (TC-5R ^™ ; Shin-Etsu Chemical) Other than this was prepared in the same manner as in Example 1.

Example 7

According to the same formulation as shown in Example 1 (Table 8), the micronized Sepiksim bulk material, microcrystalline cellulose, L-HPC and polyvinylpyrrolidine were weighed and mixed together and 50% aqueous ethanol Was added and the mixture was granulated. The granular product was dried at 40 ° C. for 17 hours under flowing air and sieved to a 500 μm sieve. The sieved granules are mixed with magnesium stearate, hard silicic anhydride, strawberry flavourant and granulated saccharin calcium (particle size of 150 μm or more) prepared in Example 1, and the resulting mixture is pressed by a single tablet press. Tablets having the composition as in Example 1 (Table 8) were prepared.

Example 8

According to the formulation shown below, cefdinir containing tablets were prepared in the same manner as in Example 7.

Table 9

306.8 mg (300 mg titer) of refined ceftinir bulk material

Microcrystalline Cellulose 29.2 mg

(Avicel PH101)

L-HPC 29.2 mg

(LH-21)

3.7 mg of polyvinylpyrrolidone

(Kollidon 30)

Light hard silicic acid 0.9 mg

(Aerosil)

Magnesium Stearate 4.4 mg

Saccharin Calcium 15.0 mg

(Particle size 150 μm or more)

Strawberry Flavor 5.6 mg

Total 394.8 mg

The β-lactam antibiotic-containing tablet of the present invention thus obtained is small in size. For example, a tablet containing 400 mg titer (about 449 mg) of sepicsim may weigh up to 650 mg, and a tablet containing 300 mg titer (about 307 mg) of ceftinir is 450 mg or less. They can be easily taken as such. When they are taken, for example, in the form of an aqueous dispersion by elderly people who are slightly more difficult to swallow, the tablets quickly disintegrate and disperse in water.

Moreover, using ethanol, isopropyl alcohol or an aqueous solution of ethanol or isopropyl alcohol for granulation in the granulation step makes it possible to obtain tablets with better dispersibility in water.

Test Example 1 (disintegrant effect)

The mixture was pressed with a single tablet press to mix the Sepiksim bulk material, microcrystalline cellulose, one of the disintegrants, hard anhydrous silicic acid and magnesium stearate, respectively, taken in specified proportions according to the formulation shown in Table 1 below. A tablet of mm was obtained.

The tablets prepared by the above method were disintegrated using a Japanese Pharmacopeia disintegration tester, without using any disk in 1,000 ml of water (20 ± 1 ° C), with a basket lift rate of 30 cycles per minute. The time was measured. The disintegration time data thus obtained is shown in Table 2.

Table 1

448.9 g (400 mg titer) of seppic sim bulk material

Microcrystalline Cellulose 38.9

Disintegrant 38.9

Light silicic anhydride 1.2

Magnesium Stearate 5.9

Total 533.8 mg

TABLE 2

Disintegrant Disintegration time (minutes) n = 6 Carboxymethyl Cellulose Calcium 1.2-1.3 Starch sodium glycolate 1.0-1.2 Crosslinked Carboxymethyl Cellulose Sodium 0.8-1.1 Low-Substituted Hydroxypropyl Cellulose 0.3-0.4 Crosslinked polyvinylpyrrolidone 0.3-0.4

As is evident in Table 2, tablets containing low-substituted hydroxypropylcellulose or crosslinked polyvinylpyrrolidine in accordance with the present invention disintegrated very rapidly.

Test Example 2 (Binder Study)

According to the formulation shown in Table 3, a high-speed shearing machine with 50% (volume) ethanol was used for pulverizing the sepicim bulk material, microcrystalline cellulose and one binder in a pin-type mill. Granulated, dried under flowing air at 40 ° C. for 17 hours and sizing to 500 μm sieve. The sieved granules were mixed with low-substituted hydroxypropylcellulose, hard silicic anhydride and magnesium stearate in each specified proportions and compressed with a single tablet press to give tablets with a specified weight and diameter of 11 mm, respectively. .

Tablets prepared by the above method were evaluated for disintegration time under the same conditions as in Test Example 1. The disintegration time data thus obtained is shown in Table 4.

TABLE 3

Sepiksim 448.9 (400 mg titer)

Microcrystalline Cellulose 38.9

Binder 4.9 (14.6)

Low-substituted hydroxypropylcellulose 38.9

Light silicic anhydride 1.2

Magnesium Stearate 5.9

538.7 mg (548.4 mg) total

Table 4

Binder Addition Level% (Weight (mg)) Disintegration time (minutes) n = 6 Polyvinylpyrrolidone 0.9 (4.9) 0.6-0.8 Polyvinylpyrrolidone 2.7 (14.6) 2.1-2.1 Hydroxypropyl cellulose (L type) 0.9 (4.9) 1.4-2.0 Hydroxypropylmethylcellulose 0.9 (4.9) 1.0-1.5

As is apparent from Table 4, tablets prepared using polyvinylpyrrolidone, hydroxypropylcellulose (type L) or hydroxypropylmethylcellulose as a binder rapidly disintegrate.

Test Example 3 (Synthetic sweetener particle size study)

In accordance with the formulation shown in Table 5 below, the pixim bulk bulk material, microcrystalline cellulose, low-substituted hydroxypropyl cellulose, and polyvinylpyrrolidone micronized with a pinned mill with 50% (volume) ethanol Granulated in a high speed shear mixer, dried at 40 ° C. for 17 hours under flowing air, and sized using a 500 μm sieve. The sieved granules were prepared from hard silicic anhydride, magnesium stearate, strawberry powder flavourant and commercially available saccharin calcium, large particle size saccharin calcium prepared in Example 1 mentioned below or in Example 2 mentioned below. The granulated mixture of saccharin calcium and hard silicic anhydride was mixed in each specific ratio and pressed with a single tablet press to obtain tablets each having a specified weight and diameter of 11 mm.

Tablets prepared by the above method were evaluated for disintegration time under the same conditions as in Test Example 1. The disintegration time data thus obtained is shown in Table 6.

Table 5

Sepiksim 448.9 (400 mg titer)

Microcrystalline Cellulose 38.9

Low-substituted hydroxypropylcellulose 38.9

Polyvinylpyrrolidone 4.9

Light silicic anhydride 1.2

Magnesium Stearate 5.9

Strawberry Powder Flavor 7.5

Saccharin Calcium or Granulated Saccharin Calcium 20.0

566.2 mg total

Table 6

Synthetic sweeteners Mean decomposition time (minutes), n = 6 Saccharin calcium (average particle size <150 μm) 3.0 Saccharin Calcium (particle size 150-840 μm) 0.6 Granulated saccharin calcium-hard silicic anhydride mixture (particle size 75-500 μm) 1.3

As is apparent from Table 6, tablets prepared using saccharin calcium having a particle size of at least 150 μm or granulated mixtures of saccharin calcium and hard silicic anhydride were prepared using commercially available saccharin calcium having an average particle size of less than 150 μm. Disintegration time is clearly shorter than used tablets.

Test Example 4 (Influence of the granulation solution composition on the dispersibility of the tablet)

A mixture of 2,200 ml of water or ethanol aqueous solution, 4,566 g of Sepiksim bulk material, 405 g of microcrystalline cellulose, 405 g of low-substituted hydroxypropyl cellulose, and 50.6 g of polyvinylpyrrolidin micronized by a pin mill. Was used to granulate in a high speed shear mixer, dried at 40 ° C. for 17 hours under flowing air, and the granulated product was sized to 500 μm sieve. The sieved granules are mixed with 50.6 g of hard silicic anhydride, 101.2 g of magnesium stearate, 75.9 g of strawberry powder flavor and 202.6 g of saccharin calcium (particle size: 150-840 μm) and compressed by a rotary tablet machine. Oblong tablets, each weighing 579 mg, were obtained.

Tablets prepared by the above methods were evaluated by the methods mentioned below for disintegration time and dispersibility for use in dispersion form.

The disintegration time was evaluated using a Japanese Pharmacopeia disintegration tester with a basket ascending rate of 30 cycles per minute without using a disc in 1,000 ml of water (20 ± 1 ° C.).

Dispersibility after standing of the prepared dispersion

One tablet was placed in 20 ml of water in a 50 ml beaker and the whole was allowed to stand for 5 minutes for self-disintegration. The beaker was then gently shaken to stir, left to stand for 1 minute and the appearance was observed.

TABLE 7

Decay Time (sec) Post-Scatter Dispersibility Granulation with 50% Ethanol 39 a Granulation with 10% Ethanol 84 a Granulation using water 62 b Flemoxin Solutab 500 (commercially available) 46 b

a: Color is uniform throughout, substantially no deposit.

b: supernatant and some precipitate

Tablets derived from granules prepared using ethanol are much better in post-dispersion dispersibility compared to tablets derived from granules prepared using water.

Test example 5 (collapse test)

Test Formulation A: Tablets made in Example 1, mentioned later.

B: Tablets prepared in Example 7 mentioned later.

C: Tablets prepared in Example 8 mentioned later.

The decay time evaluation was performed in distilled water at 20 ± 1 ° C. with the basket ascending rate of 4 cycles per minute using the apparatus described in Pharmacopeia (12 editions) under the collapse test.

Collapse test

Test result

A: 1.13 minutes

B: 1.30 minutes

C: 1.02 minutes

The disintegration test results show that the test formulations A to C of the present invention each show good dispersibility.

Claims (10)

60-85% by weight of β-lactam antibiotics per tablet, 1-10% by weight of low-substituted hydroxypropylcellulose and / or crosslinked polyvinylpyrrolidone as disintegrant and 0.5-2% by weight of binder Tablet containing β-lactam antibiotics. The tablet according to claim 1, wherein the binder is polyvinylpyrrolidone, hydroxypropylcellulose or hydroxypropylmethylcellulose. The tablet according to claim 1 or 2, further comprising 0.5 to 15% by weight of synthetic sweetener and / or granulated synthetic sweetener. The tablet of claim 3, wherein the synthetic sweetener or granulated synthetic sweetener has an average particle size of at least 150 μm. The tablet of claim 4, wherein the particle size of the synthetic sweetener or granulated synthetic sweetener is 150 μm or greater. The tablet according to claim 3, wherein the granulated synthetic sweetener contains a synthetic sweetener and hard silicic anhydride and / or hydrated silicon dioxide. The tablet according to any one of claims 1 to 6, wherein the β-lactam antibiotic is Sepiksim or Cefdinir. 8. A tablet according to claim 7, which contains 400 mg titer of sepicsim and has a tablet weight of 650 mg or less. The tablet according to claim 7, which contains 300 mg titer of ceftinir and has a tablet weight of 450 mg or less. Granulated products and ethanol, prepared from the β-lactam antibiotics, disintegrants and binders specified in claim 1, optionally comprising a synthetic sweetener and / or granulated synthetic sweetener, optionally with one or more other excipients. A method of making a β-lactam antibiotic-containing tablet comprising mixing using isopropyl alcohol or an aqueous solution of ethanol or isopropyl alcohol and then purifying the resulting mixture.