阅读说明：本技术 共处理的涂覆有硅石的聚合物组合物 (The polymer composition coated with silica of coprocessing ) 是由 D·蒂瓦里 Y·A·蒂托瓦 B·拜斯纳 T·迪里希 于 2014-03-12 设计创作，主要内容包括：本发明提供了具有良好的堆密度和改善的流动特征的赋形剂组合物。本发明特别提供了共处理的赋形剂组合物和其生产方法。所述共处理的赋形剂包含纤维素衍生的聚合物和解团聚的共处理剂。所述共处理剂为热解硅石、胶态硅石或二氧化硅。所述共处理的赋形剂是在连续过程中制备的,并且具有极好的可压实性和改善的流动性质,所述改善的流动性质如通过从1.1倍到5.0倍的约翰森流量数值增量所测定,所述赋形剂的特征在于小于0.2kPa的布氏内聚力系数和至少0.249g/ml的堆密度。(The present invention provides the vehicle compositions with good heap density and improved flow characteristics.Invention especially provides the vehicle compositions of coprocessing and its production method.The excipient of the coprocessing includes the coprocessing agent of polymer and de-agglomerated derived from cellulose.The coprocessing agent is fumed silica, colloidal silica or silica.The excipient of the coprocessing is prepared in continuous process, and there is fabulous rammability and improved flowing property, for the improved flowing property as measured by the Claes Johanson flow number increment from 1.1 times to 5.0 times, the excipient is characterized in that the heap density of Bu Shi cohesion force coefficient and at least 0.249g/ml less than 0.2kPa.)

1. a kind of continuation method for the excipient for being used to prepare coprocessing comprising following steps:

I., partial size is less than to the coprocessing agent de-agglomerated of 500nm using the shearing of at least magnitude of hour/kilogram 0.01kW-, Described in coprocessing agent be selected from fumed silica, colloidal silica, silica, calcium silicates and their combination；

Ii. polymer derived from cellulose and the coprocessing agent through de-agglomerated is made to pass through the blending of average particle residence time > 1 second Device, wherein polymer derived from the cellulose be selected from hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose and Carboxymethyl cellulose；

Iii. make above two component by general grinding machine, there is the general grinding machine 15 meter per second of tip speed to arrive preferably wherein The rotor that 150 meter per seconds and screen mesh size are 0.2 millimeter to 0.9 millimeter；

Iv. it the average particle residence time for maintaining in general grinder system > 1 second, is completed by continuous process recycling；With

V. the excipient of coprocessing is obtained, the excipient of the coprocessing has Bu Shi cohesive force less than 0.20kPa, at least The heap density of 0.249 grams per milliliter and improved mobility as measured by the Claes Johanson flow increment from 1.1 times to 5.0 times Matter.

2. a kind of excipient of the coprocessing obtained by method described in claim 1.

3. the excipient of coprocessing according to claim 2, wherein the excipient optionally further include selected from Polymer derived from vinyl lactam in the following group: n-vinyl-2-pyrrolidone, poly(vinyl pyrrolidone), poly- second Alkenyl polypyrrole alkanone, N- vinyl -2- caprolactam, N- vinyl -3- N-methyl-2-2-pyrrolidone N, N- vinyl -3- first Base -2- caprolactam, N- vinyl -4- N-methyl-2-2-pyrrolidone N, N- vinyl -4- methyl -2- caprolactam, N- vinyl - 5- N-methyl-2-2-pyrrolidone N, N- vinyl -5,5- dimethyl -2-Pyrrolidone, N- vinyl -3,3,5- trimethyl -2- pyrroles Alkanone, N- vinyl -5- methyl -5- ethyl-2-pyrrolidone, N- vinyl -3,4,5- trimethyl -3- ethyl -2- pyrrolidines Ketone, N- vinyl -7- methyl -2- caprolactam, N- vinyl -7- ethyl -2- caprolactam, N- vinyl -3,5- dimethyl - 2- caprolactam, N- vinyl -4,6- dimethyl -2- caprolactam, N- vinyl -3,5,7- trimethyl -2- caprolactam and/ Or their combination.

4. the excipient of coprocessing according to claim 2, wherein polymer derived from the cellulose is with about 90.0% Amount to about 99.9% exists, the coprocessing agent about 0.1%w/w in terms of the vehicle composition of total coprocessing to about 10.0%w/ The amount of w exists.

5. the excipient of coprocessing according to claim 2, wherein polymer derived from the cellulose and coprocessing agent Exist with the ratio of about 90:10 to 0.1.

6. the excipient of coprocessing according to claim 2, wherein the excipient of the coprocessing and work selected from the following Property ingredient or functional component are further combined: pigment and coating, personal care articles, detergent, drug, health care product, ceramics, insulation Body, pet food, animal foodstuff and human food, agricultural product, adhesive, plating agent, ink, dyestuff, paper, catalyzed conversion body and Electronic device.

7. a kind of composition of the excipient comprising coprocessing according to claim 2, is used for industry selected from the following Using: pigment and coating, personal care articles, detergent, drug, health care product, ceramics, insulator, pet food, animal foodstuff and Human food, agricultural product, adhesive, plating agent, ink, dyestuff, paper, catalyzed conversion body and electronic device.

8. composition according to claim 7, wherein the composition is used in drug；The composition preferably wherein Peroral dosage form is configured to by non-slurry pelletizing, directly compression or heat fusing extrusion process.

9. a kind of directly compressible pharmaceutical composition, it includes:

I. active pharmaceutical ingredient；

Ii. the excipient of coprocessing according to claim 2；With

Iii. the one or more pharmaceutically acceptable additives being optionally present.

10. directly compressible pharmaceutical composition according to claim 9, is released wherein the composition is configured to improve Dosage form, controlled release dosage form, sustained release forms, extended release dosage form or immediate release dosage form and dissolvable dosage forms are put, preferably Wherein the composition is in tablet form.

11. the method for preparing directly compressible pharmaceutical composition according to claim 9 comprising following steps:

I. the active pharmaceutical ingredient, the excipient of coprocessing according to claim 2 and one kind for being optionally present are blended Or a variety of adjuvants；With

Ii. obtained component is compressed, to obtain directly compressible pharmaceutical composition.

Technical field

The present invention relates to the vehicle compositions of coprocessing and its production method.Present invention is particularly directed to include cellulose The excipient of the coprocessing of the coprocessing agent of derivative polymer and de-agglomerated.

Background technique

Excipient powders usually show the flowing and compacting behavior of difference.It used various technologies such as wet granulation, done by spraying Dry, mechanical fusion (mechanofusion) and grinding come improve flowing and compacting behavior.

Cellulose derivative is important polysaccharide derivates.These are widely used in various industrial applications, such as personal Nursing, pharmacy, agricultural construction and the energy.One of cellulosic polymer, particularly the important application of water-soluble cellulose derivative It is that they are combined as excipient with sustained release forms.Sustained release forms are designed to discharge drug with set rate, Constant drug concentration is maintained the specific period and there is the smallest side effect.This can realize by various preparations, Include the polymer substrate in dosage form.Sustained release preparations maintain the therapeutic serum level of medicament, and will be due to lacking Patient compliance and caused by the effect of drug dose missed be preferably minimized.

The United States Patent (USP) US 4,734,285 for transferring Dow Chemical company discloses therapeutical active composition Sustained release solid tablet and the method for preparing such composition.Can lead to sieve with 100 mesh sieve (149 micron mesh size size) and preferably The fine particle of the hydroxypropyl methyl cellulose ether composition of 140 meshes (105 micron mesh size size) is present in solid as excipient In body tablet.The size of these fine particles is very small, and shows the flowing property of difference.The particle flow of difference can lead to processing equipment Such as the consolidation of the powder bed in storage bin and tablet press machine feed hopper.Problem may include the tablet weight or tablet from tablet to tablet The inconsistency of the amount of the inconsistency increase and active constituent being merged into every dose of crushing strength.

It transfers the WO2004/022601 of JRS Pharma LP and transfers the U.S. of Edward H.Mendell company Patent US 5,585,115 discloses the microcrystalline cellulose for claiming the coalescence containing silica with improved compressibility Admixture.Disclosure statement silica is the key component for improving compressibility.Described two-stage process includes spray Mist granulation, wet granulation later.The particle prepared in this method to be further dried using heat, but this is not advantageous 's.However, being granulated time-consuming and increasing institute by the time of loss, additional labour, energy consumption and required additional equipment State the cost of method.

If the drying method for drying-grinding moist cellulose derivative is it is known in the art that such as patent application GB 2262527A；EP 0 824 107 A2；EP-B 0 370 447 (is equal to United States Patent (USP) US 4,979,681)；EP 1 127 895 Al (are equal to United States Patent (USP) US 6,509,461)；0 954 536 Al of EP (it is equal to United States Patent (USP) US 6,320, 043)；WO96/00748 Al；Described in WO2011/046679 (being equal to US 2012/187225) and WO2012/138532.

The US2012/160944A1 for transferring ICEUTICA PTY LTD, which is disclosed, produces bioactivity using dry mill process The method of the nanoparticle powder and micro particles powder of material, the particle powder have improved powder management properties.

The WO2012/116402A1 for transferring Monash university is disclosed for the binder powder in dusty material processing End, and by using the technique being such as spray-dried and the technology of mechanical fusion prepares them.These techniques lead to the polymer Particle size reduce.In addition, these process costs are costly and time consuming.

Chattoraj is described in by total mill microcrystalline cellulose and nanometer silica to increase the flowing of cellulosic polymer J.Pharm.Sci.2011 November of S, Shi L, Sun CC；100 (11): in 4943-52.

In addition, spray drying, mechanical fusion, magnetic force auxiliary compacting, mix device and grinding need usually manufacturer not Obtainable special instrument.

Surprisingly it has been discovered that the heap density and mobility of polymer derived from cellulose can pass through novel continuous mistake Journey increases, and the continuous process comes polymer described in coprocessing and coprocessing agent including the use of high shear.

Therefore, the present invention relates to the figurations of the coprocessing comprising polymer derived from cellulose and the coprocessing agent of de-agglomerated Agent composition.The excipient of the coprocessing is to prepare in continuous process, and have fabulous rammability and improvement Flowing property, the improved flowing property such as passes through the Claes Johanson flow number (Johanson from 1.1 times to 5.0 times Flow rate number) determination measured by increment, which is characterized in that the excipient has the Bu Shi less than 0.20kPa The heap density of cohesive force (Brookfield cohesion), at least 0.249g/ml.The coprocessing agent is fumed silica, colloidal state Silica, silica or their combination.

Summary of the invention

The present invention provides the excipient of the coprocessing of the coprocessing agent comprising polymer and de-agglomerated derived from cellulose.Institute The excipient for stating coprocessing is to prepare in continuous process, and have the Bu Shi cohesive force and at least less than 0.20kPa The heap density of 0.249 grams per milliliter, and such as the flowing as measured by the Claes Johanson flow number increment from 1.1 times to 5.0 times Property.

Be selected from for polymer derived from the cellulose in the present invention includes below group: ethyl cellulose, ethoxy are fine Tie up plain (HEC), hydroxypropyl cellulose (HPC), ethylhydroxyethylcellulose (EHEC), carboxymethyl hydroxyethyl cellulose (CMHEC), Hydroxypropylhydroxyethylcellulose cellulose (HPHEC), methylcellulose (MC), methylhydroxypropylcellulose (MHPC), dimethyl hydroxyethyl are fine Tie up the hydroxypropyl fibre of plain (MHEC), carboxymethyl cellulose (CMC), the hydroxyethyl cellulose (hmHEC) of hydrophobically modified, hydrophobically modified Tie up the carboxymethyl hydroxyethyl cellulose of plain (hmHPC), the ethylhydroxyethylcellulose (hmEHEC) of hydrophobically modified, hydrophobically modified (hmCMHEC), the hydroxypropylhydroxyethylcellulose cellulose (hmHPHEC) of hydrophobically modified, hydrophobically modified methylcellulose (hmMC), dredge Methyl hydroxyethylcellulose (hmMHEC), the hydrophobically modified of the modified methylhydroxypropylcellulose (hmMHPC) of water, hydrophobically modified Carboxy methyl cellulose (hmCMMC), SE-cellulose (SEC), ethoxy SE-cellulose (HESEC), hydroxypropyl SE-cellulose (HPSEC), dimethyl hydroxyethyl SE-cellulose (MHESEC), methylhydroxypropyl SE-cellulose (MHPSEC), hydroxyethyl hydroxypropyl base SE-cellulose (HEHPSEC), carboxymethyl SE-cellulose (CMSEC), hydrophobically modified SE-cellulose (hmSEC), the ethoxy SE-cellulose (hmHESEC) of hydrophobically modified, hydrophobically modified hydroxypropyl The hydroxyethyl hydroxypropyl base SE-cellulose (hmHEHPSEC) of SE-cellulose (hmHPSEC) and hydrophobically modified and/or they Combination.

In preferred embodiments, polymer derived from cellulose is selected from ethyl cellulose, methylcellulose, methyl second Base cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxyethylmethylcellulose, hydroxypropyl methyl cellulose and carboxymethyl Cellulose.

In certain embodiments, coprocessing agent be selected from fumed silica, colloidal silica, silica, calcium silicates or it Combination.

Polymer derived from cellulose exists with about 90.0% to about 99.9% amount, and coprocessing agent is with total coexistence The amount of the vehicle composition meter about 0.1%w/w to about 10.0%w/w of reason exists.

In a specific embodiment, the weight ratio of the inorganic agent together of polymer derived from cellulose be about 90:10, 95:5,98:2,99:1 or even 99.9:0.1.

The excipient of coprocessing of the invention and active constituent selected from the following or functional component are further combined: pigment With coating, personal care articles, detergent, drug, health care product, ceramics, insulator, pet food, animal foodstuff and human food, Agricultural product, adhesive, plating agent, ink, dyestuff, paper, catalyzed conversion body and electronic device.

The method that another aspect of the present invention offer prepares the excipient of coprocessing, the described method comprises the following steps:

I. utilize the shearing of at least magnitude of 0.01kW-hr/kg by coprocessing agent de-agglomerated；

Ii. make the coprocessing agent of polymer and de-agglomerated derived from cellulose mixing by average particle residence time > 1 second Clutch；

Iii. above two component is made to pass through general grinding machine；

Iv. > 1 second average particle residence time was maintained in general grinder system, it is complete by continuous process recycling At；With

V. the excipient for obtaining coprocessing has Bu Shi cohesive force at least below 0.2kPa, at least 0.249 gram/milli The heap density that rises and such as the flowing property as measured by the Claes Johanson flow number increment from 1.1 times to 5.0 times.

In preferred embodiments, it is about 15 meter per seconds to about 150 meter per seconds and sieve that general grinding machine, which has tip speed, The rotor that size is about 0.2 millimeter to about 0.9 millimeter.

Another aspect of the invention discloses being total to for the coprocessing agent comprising polymer derived from cellulose and de-agglomerated The composition of the excipient of processing.The composition is used for various industries application selected from the following: pigment and coating, personal nursing Product, detergent, drug, health care product, ceramics, insulator, pet food, animal foodstuff and human food, agricultural product, adhesive, Agent, ink, dyestuff, paper, catalyzed conversion body and electronic device is electroplated.

In preferred embodiments, the composition is in drug.

In preferred embodiments, by non-slurry pelletizing, directly compression or heat fusing extrusion process be by the composition It is configured to peroral dosage form, such as tablet.

The present invention provides the direct compressible pharmaceutical composition of the excipient comprising active pharmaceutical ingredient and coprocessing.

Another aspect of the present invention provides direct compression method, the described method comprises the following steps:

I) active pharmaceutical ingredient, the excipient of coprocessing and one kind of multiple pharmaceutically acceptable assistants for being optionally present are blended Agent, to generate the admixture with improved flowing property；With

Ii obtained composition is compressed) to obtain the production with improved drug content uniformity and improved capacity Object.

In preferred embodiments, it is configured to direct compressible pharmaceutical composition to improve release dosage form, controls and release Put dosage form, sustained release forms, immediate release dosage form, extended release dosage form or dissolvable dosage forms.

The present invention provide prepare directly compressible pharmaceutical composition method, the method includes blend active medicine at Point, the above-mentioned excipient of coprocessing and the one or more adjuvants being optionally present, and the obtained component of compression is to obtain directly Compressible pharmaceutical composition.

Detailed description of the invention

Fig. 1 shows the diagrams of general grinding machine and its all parts.

Fig. 2 indicates the curve graph of tablet compacting profile.

The curve graph of Fig. 3 expression tablet hardness.

Fig. 4 indicates the curve graph of compacting profile.

The curve graph of Fig. 5 expression diformin tablet agent formulation compact wheel exterior feature.

The diagram of Fig. 6 expression STYLCAM 200R one-shot rotary tablet machine.

Flowing of Fig. 7 (A and B) display because of the enhancing caused by Bu Shi cohesive force between low particle.

Specific embodiment

Typical polymers for direct compressed preparation have cohesion between fibre property, small particle size, strong particle Power and surface charge, this leads to the flowing of the difference during drug unit.Formulator often has to come using granulation step Overcome these challenges for flow of powder.Flow of powder between by gravity (by heap Effects of Density) and particle cohesive force influenced, and And it needs to balance between the two to improve flowing (as shown in Figure 7).It is not bound to any theory, the present inventor It was found that increased mobility can be observed when by additive and the desired polymeric powder coprocessing for increasing its mobility.Due to Cohesive force and higher heap density between low-down particle and unexpectedly realize almost 5 times of enhancing flow.

Have following advantage using the excipient of coprocessing of the invention: (i) reduces processing time and production cost, Additional investment is not necessarily to using this flowing improving environment；(ii) improved flow of powder；(iii) improved content is uniform Property；It (iv) and can be in other comparable dissolving characteristics of commercial polymerization item level of market acquisition；(v) present invention process be quickly, It is continuous and can scale.Therefore, the tax of coprocessing of the invention can be easily used during the research and development of drug and manufacture Shape agent.

In entire this description and in the appended claims, unless the context otherwise requires, otherwise word "comprising" (comprise) and version (for example, " comprising " and " containing ") is interpreted as implying including integer described in one or more Or step, but it is not excluded for any other one or more integers or step.

Unless the context clearly determines otherwise, otherwise singular " one (a, an) " and " described " include many aspects.

All aspects, embodiment and embodiment as described herein are covered by term " invention ".

Term " m/sec " as used herein refers to the unit of the spinner velocity indicated with metre per second (m/s).

Term " mm " as used herein refers to the unit of the mesh size indicated with millimeter.

Term " heap density " as used herein, which refers to, is defined as following heap density (BD): the table of used material See the ratio of volume and quality, the heap density of referred to as non-jolt ramming；And used material tap volume and quality ratio Rate, referred to as Tapped Bulk Density.The useful program description of these heap density is measured in United States Pharmacopeia 24, Test 616 " Bulk Density and Tapped Density ", United States Pharmacopeia Convention company, Rockville, Maryland, in 1999.

Term " index of discharge meter (Indicizer) " as used herein refers to by Johnson manufacture for characterizing such as The instrument of the property of FRI (index of discharge), FDI (flow density index), BDI (storehouse dnesity index) and SBI (swelling index).

Term " Claes Johanson flow number " as used herein refers to the restricted stream for passing through container after degassing for powder The index of discharge (FRI) of the measurement of amount.The opposite direction of FRI is to reduce.If average particle size is kept constant, FRI may be used also For being associated with particle size and size distribution.If average-size remains unchanged, lower FRI indicates smaller particle size Or broader size distribution.

Term " de-agglomerated " as used herein, which refers to, to be smashed or disperses to have reunited, assemble or gathering substance together Process.

Term " vehicle composition of coprocessing " as used herein refers to for two or more pharmacopeia or non-pharmacopeia The excipient of the combined coprocessing of excipient is designed to by simple physical mixed and without significant chemical change And irrealizable mode physics improves the property of these excipient.

Term " general grinding machine " as used herein refers to the dry grinding for various products or the high-speed fine impact of de-agglomerated Grinding machine.Specifically, grinding machine is used as rotor strike grinding machine, it is characterised in that the impact between rotor and stator (such as sieve) Journey.Material and air enter in grinding machine, and are subjected to the centrifugal force from rotor；Then impact beater (impact beater) The material is forced to pass through the crushing gap by the stator (grinding track and sieve) offer.Rotor/impact beater is each Kind configuration includes wing formula beater (wing beater) and air blast rotor.

Term " blender " as used herein refers to that single ribbon of the residence time at least 1 second or double helical-ribbon types are mixed Clutch；Or turn with similar capabilities, at least 1 second residence time and the 10-30 per minute for allowing to mix in continuous process The blender of axle speed.

Term " Bu Shi cohesive force " as used herein refers to the time consolidation test in Bu Shi flow of powder tester The failure intensity measured in (ASTM D6128) with the compressing force of application.In preferred embodiments, the Bu Shi cohesive force Less than 0.20kPa.Preferably smaller than 0.15kPa, and more preferably less than 0.10kPa.

Term " compacting " as used herein refers to the compression of the two-phase system due to caused by the power of application (solid-air) With technique while consolidation.

Term " directly compression " as used herein or " DC " refer to be obtained by directly compressing and moulding raw material powder Preparation.This process description is in such as The Theory and Practice of Industrial Pharmacy (third edition) (Leon Lachman et al.: LEA&FEBIGER 1986) and Pharmaceutical Dosage Forms:Tablets volume 1 In the publication of (second edition) (Herbert A.Lieberman et al.: MARCEL DEKKER company, 1989).

Term " continuous process " as used herein refers to the production for not being interval execution but being continually performed, and is such as based on The production continuously blended.In discontinuous process, i.e. batch production process, raw material are inserted into machine/grinding machine, are then unloaded The newly generated composition from the machine/grinding machine is carried to occupy the too many time and make low cost production can not.Term The meaning of " continuous production " is implied herein is characterized in that the assembly line of mean residence time is obtained by each step Advantage.

The present invention provides the excipient of the coprocessing of the coprocessing agent comprising polymer and de-agglomerated derived from cellulose.

The excipient of the coprocessing is prepared in a continuous process, and has the Bu Shi cohesion less than 0.2kPa Power, the heap density of at least 0.249 grams per milliliter, and as surveyed by the Claes Johanson flow number increment from 1.1 times to 5.0 times The flowing property of amount.The coprocessing agent is fumed silica, colloidal silica, silica or combination.

Can be used for implementing polymer derived from cellulose of the invention can be selected from including below group: ethyl cellulose, hydroxyl Ethyl cellulose (HEC), hydroxypropyl cellulose (HPC), ethylhydroxyethylcellulose (EHEC), carboxymethyl hydroxyethyl cellulose (CMHEC), hydroxypropylhydroxyethylcellulose cellulose (HPHEC), methylcellulose (MC), methylhydroxypropylcellulose (MHPC), methyl Hydroxyethyl cellulose (MHEC), carboxymethyl cellulose (CMC), the hydroxyethyl cellulose (hmHEC) of hydrophobically modified, hydrophobically modified Hydroxypropyl cellulose (hmHPC), the ethylhydroxyethylcellulose (hmEHEC) of hydrophobically modified, hydrophobically modified carboxy methyl hydroxyethyl Cellulose (hmCMHEC), the hydroxypropylhydroxyethylcellulose cellulose (hmHPHEC) of hydrophobically modified, hydrophobically modified methylcellulose (hmMC), the methylhydroxypropylcellulose (hmMHPC) of hydrophobically modified, hydrophobically modified methyl hydroxyethylcellulose (hmMHEC), The carboxy methyl cellulose (hmCMMC) of hydrophobically modified, SE-cellulose (SEC), ethoxy SE-cellulose (HESEC), hydroxypropyl SE-cellulose (HPSEC), dimethyl hydroxyethyl SE-cellulose (MHESEC), methylhydroxypropyl sulphur Ethyl cellulose (MHPSEC), hydroxyethyl hydroxypropyl base SE-cellulose (HEHPSEC), carboxymethyl SE-cellulose (CMSEC), the SE-cellulose (hmSEC) of hydrophobically modified, hydrophobically modified ethoxy SE-cellulose (hmHESEC), The hydroxypropyl SE-cellulose (hmHPSEC) of hydrophobically modified and the hydroxyethyl hydroxypropyl base SE-cellulose of hydrophobically modified (hmHEHPSEC) and/or their combination.

Most preferably, polymer derived from cellulose can be selected from including below group: methylcellulose, ethyl cellulose, Methylethylcellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxyethylmethylcellulose, hydroxypropyl methyl cellulose and Carboxymethyl cellulose.

The term " hydroxypropyl cellulose (HPC) " as used in (including claims) herein refers to different drugs etc. The water-soluble polymer that grade obtains.The particularly preferred source of HPC is Ashland Specialty Ingredients (Wilmington, Delaware) is with trade name KLUCEL^TMThe HPC of sale.

The term " hydroxypropyl methyl cellulose (HPMC) " as used in (including claims) herein, HPMC's is especially excellent The source of choosing is Ashland Specialty Ingredients (Wilmington, Delaware) with trade name BENECEL^TM The HPMC of sale.

The term " hydroxyethyl cellulose (HEC) " as used in (including claims) herein refers to different drugs etc. The polymer that grade obtains.The particularly preferred source of HEC be Ashland Specialty Ingredients (Wilmington, Delaware) with trade name Natrosol^TMThe HEC of sale.

The particularly preferred source of term " carboxymethyl cellulose (CMC) sodium " as used herein is Ashland Specialty Ingredients (Wilmington, Delaware) is with trade nameOr Blanose^TMSale CMC。

Specifically, it includes below group that silica of the invention, which is selected from: fumed silica, colloidal silica, silica, silicic acid Calcium and/or their combination.

Can be used for implementing silica of the invention is silica, especially has and is particularly less than 500nm, more specifically small In the colloidal silicon dioxide of the particle size of 400nm.It will be understood by those skilled in the art that for the silica in the present invention Title and/or preparation method do not determine the availability of the product.On the contrary, having surprisingly found that, the physics of silica Characteristic is then vital.Specifically, it has been found that relatively large particle size (and correspondingly small surface area) Silica such as silica gel are not useable in the present invention.Silica itself is sub-micron, soft, lightweight, loose, Bluish white , odorlessness and milk-toast amorphous powder, available commercially from many sources, including Cabot company is (with trade name Cab-O- Sil)；Degussa company is (with trade name)；And W.R.Grace&Co E.I.DuPont&Co..Colloidal silicon dioxide Especially it is also known as colloidal silica, fumed silica, amorphous fumed silica, silica, amorphous silica, light anhydrous silicon Acid, silicic acid anhydride and pyrolytic silicon dioxide.However, including that the amount of the silica in medicinal application is limited and 0.01 In the range of weight % to 1 weight %.Handbook of Pharmaceutical Excipients, COPYRGT.1986American Pharmaceutical Association, the of page 255

In a further embodiment, polymer derived from cellulose exists with about 90.0% to about 99.9% amount, Coprocessing agent exists with the amount of the about 0.1%w/w to about 10.0%w/w of the vehicle composition of total coprocessing.

In a specific embodiment, the weight ratio of the inorganic agent together of polymer derived from cellulose be about 90:10, 95:5,98:2,99:1 or even 99.9:0.1.Alternatively, the amount of coprocessing agent is represented by cellulose derived polymer or interior acyl The wt/wt% of amine derived polymer, such as 0.1%, 0.25%, 0.5%, 0.75%, 1.0%, 2.5%, 5% or 10%.

The excipient of coprocessing of the invention and active constituent selected from the following or functional component can be further combined: face Material and coating, personal care articles, detergent, drug, health care product, ceramics, insulator, pet food, animal foodstuff and mankind's food Product, agricultural product, adhesive, plating agent, ink, dyestuff, paper, catalyzed conversion body and electronic device.

Offer of the present invention prepares the continuation method of the excipient of coprocessing, method includes the following steps:

I. utilize the shearing of at least magnitude of 0.01kW-hr/kg by coprocessing agent de-agglomerated；

Ii. make the coprocessing agent of polymer and de-agglomerated derived from cellulose mixing by average particle residence time > 1 second Clutch；

Iii. above two component is made to pass through general grinding machine；

Iv. it the average particle residence time for maintaining in general grinder system > 1 second, is completed by continuous process recycling； With

V. the excipient for obtaining coprocessing has the Bu Shi cohesive force, at least 0.249 grams per milliliter for being less than 0.20kPa Heap density and such as the flowing property as measured by the Claes Johanson flow number increment from 1.1 times to 5.0 times.

In other embodiments, general grinding machine has about 15 meter per second of tip speed to about 150 meter per seconds and screen sizes About 0.2 millimeter to about 0.9 millimeter of rotor.

The present invention provides directly compressible pharmaceutical composition, and described pharmaceutical composition includes the figuration no more than coprocessing 1.0% active pharmaceutical ingredient of agent and the one or more pharmaceutically acceptable additives being optionally present.Directly compression side Method the following steps are included:

I. blended in the case where not adding a large amount of addition solvent or heat active pharmaceutical ingredient, coprocessing excipient and The one or more adjuvants being optionally present, the excipient have Bu Shi cohesive force, at least 0.249 grams per milliliter less than 0.20kPa Heap density and improved flowing property as measured by the Claes Johanson flow as about 1.1 times to about 5.0 times；With

Ii. obtained component is compressed, to obtain directly compressible pharmaceutical composition.

The present invention provides directly compressible pharmaceutical composition, and described pharmaceutical composition includes active pharmaceutical ingredient, above-mentioned The excipient of coprocessing and the one or more pharmaceutically acceptable additives being optionally present.

The present invention provides direct compression method, the described method comprises the following steps:

I. in the case where not adding a large amount of added solvent or heat blend active pharmaceutical ingredient, coprocessing excipient and The one or more adjuvants being optionally present, the excipient have Bu Shi cohesive force, at least 0.249 grams per milliliter less than 0.20kPa Heap density and such as the flowing property as measured by the Claes Johanson flow number increment from 1.1 times to 5.0 times；With

Ii. obtained component is compressed to obtain direct compressible pharmaceutical composition.

In a preferred embodiment, using STYLCAM 200R Simulator (coming from Mendel Pharma) (as shown in Figure 6) one-shot rotary tablet machine is being up to 300,000 per hour device items with production to replicate and analyze Part precommpression phase, compression period and the injection period in industrial tablet production press under the same conditions.It is equipped with computer interface And data acquiring software, it enables a user to select different compression profiles to simulate different types of rotary tabletting Machine.It make formulator it will be appreciated that before turning to large batch of material the scalability of preparation admixture and compressible Property.Straight polymer is carried out using 11.28mm flattened round Euro D machining tool using Stylcam 200R compaction simulation device It is compacted (99% polymer and 1%Cab-O-Sil) research.

Following embodiment further illustrates the present invention.