CN104873473B - A kind of modified-release tablets of potassium chloride and preparation method thereof - Google Patents

A kind of modified-release tablets of potassium chloride and preparation method thereof Download PDF

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CN104873473B
CN104873473B CN201510335341.9A CN201510335341A CN104873473B CN 104873473 B CN104873473 B CN 104873473B CN 201510335341 A CN201510335341 A CN 201510335341A CN 104873473 B CN104873473 B CN 104873473B
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potassium chloride
release
preparation
sustained
release pellet
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CN104873473A (en
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陈卫
陈振华
陆琴
罗晓敏
汪承英
梁粤
刘亚楠
邹贤宝
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Shenzhen China Associated Pharmaceutical Co., Ltd.
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SHENZHEN CHINA ASSOCIATED PHARMACEUTICAL CO Ltd
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Abstract

The invention discloses a kind of modified-release tablets of potassium chloride and preparation method thereof, said preparation its formed by sustained release pellet soluble in the stomach, enteric sustained-release pellet and other pharmaceutically acceptable auxiliary material direct tablet compressings, described sustained release pellet soluble in the stomach is made up of potassium chloride, mesoporous carbon, acrylic resin IV and surfactant, and described enteric sustained-release pellet is made up of potassium chloride, mesoporous carbon, acrylic resin I III and surfactant.The sustained release tablets of the present invention have the advantages that insoluble drug release is steady, drug release stability is good, in the absence of phenomenon of burst release.

Description

A kind of modified-release tablets of potassium chloride and preparation method thereof
Technical field
The invention belongs to technical field of medicine, in particular to a kind of sustained release tablets and its system containing potassium chloride Preparation Method.
Background technology
Potassium chloride is clinical conventional electrolyte balance regulating, and clinical efficacy is definite, is widely used in clinical departments room.With In treat and prevent a variety of causes (hypoalimentation, vomiting, severe diarrhea, using row potassium diuretics or prolonged application sugar cortex pierce Hormone and adrenal cortex stimulin, lose potassium nephrosis, Bartter syndromes etc.) caused by hypopotassaemia, also available for the heart, Frequent, polyphyly premature beat or rapid heart rate are not normal caused by the poisoning by cardiotonic glycoside such as renal edema and digitalis.
It is well known that potassium chloride is irritant to intestines and stomach, Nausea and vomiting, belly is usually caused not to accommodate diarrhoea.Greatly Weak, weak and feeble, confusion, low blood pressure, dizziness, heart block may be caused during dosage, or even cause death.When Often occur the signal being poisoned when taking potassium chloride, therefore for the administration that ordinary preparation must be very careful, controlled to reach Treat purpose, daily 1-2g potassium chloride dosage usually needs to take point 2-6 time, and the compliance of patient is very poor.Therefore, potassium chloride can be examined Sustained-release preparation is made in worry.Have the sustained release tablets listing of potassium chloride at home, but because potassium chloride water solubility is very good, existing sustained release Preparation is often difficult to preferably control the release of medicine, often has the generation of phenomenon of burst release, has larger potential risk, such as because prominent Releasing causes the cation potassium of high local concentrations in gastrointestinal system, causes the symptoms such as gastrointestinal ulceration, bleeding and perforation.In addition, Existing sustained release tablets belong to individual unit system, when Gastrointestinal Obstruction, esophageal stricture, diverticulum, intestines atonia to intestines and stomach Stimulation further increase, the state of an illness can be aggravated.
CN103006696B discloses a kind of preparation method of modified-release tablets of potassium chloride, using hydroxypropyl methylcellulose E15 as sustained release Material prepares sustained release label, is coated with extended release coatings by slow-release material of acrylic resin RS100, acrylic resin RL100, and be coated with Sugar-coat.
CN102961363B discloses a kind of potassium chloride slow release capsule, and the content of the potassium chloride slow release capsule is sustained release Micropill, sustained release pellet is by the supplementary material potassium chloride 70~97% of percentage by weight, moulding material 0~10%, and slow-release material 2~ 20%, plasticizer 0.5~5% and antiplastering aid 0~10% form.Potassium chloride and moulding material are well mixed, using dry method system Grain machine, which is prepared into, carries medicine micropill;Then slow-release material, plasticizer and antiplastering aid are prepared by mixing into slow release layer coating solution;Medicine will be carried Micropill is placed in fluid bed, and the slow release layer coating solution being prepared into is sprayed into fluid bed, will carry medicine micropill according to conventional side Method is coated, and sustained release pellet is prepared, and sustained release pellet loads capsule, is prepared into product potassium chloride slow release capsule of the present invention.
CN102144985A is related to the formula and technique of Potassium chloride controlled release tablet, using ethyl cellulose, polyvinylpyrrolidine Ketone, hydroxypropyl methylcellulose etc. are release retarding agent, are pressed in addition with acceptable inert excipient, lubricant, colouring agent in pharmacy According to certain ratio, label is prepared with suitable technique, then with cellulose acetate and is equipped with suitable coating additive and prepares The pellicle of label is wrapped up, and drug release path is produced on film, forms monocompartment osmotic pump-type controlled release system, there is provided the zero of potassium chloride Level release.
The main method for reaching sustained release in the prior art is by matrix diffusion, coating membrane diffusion or the use in conjunction of the two The diffusion rate of medicine is controlled, so as to reach slow effect.Clinically widely used potassium chloride sustained release preparation include matrix tablet, Film controlled release tablet, sustained release pellet etc., it is sustained the main or traditional matrix type drug release or film controlling type drug release of releasing mechanism.Matrix type Drug release heterogeneity be present, prominent incomplete problem of releasing or release the drug easily occur in sustained release tablets.
The content of the invention
In view of the deficiencies in the prior art, it is an object of the invention to provide a kind of insoluble drug release is steady, stability is good, biological Availability is high, the simple modified-release tablets of potassium chloride of preparation method.
In order to realize the purpose of the present invention, inventor is studied and updated by lot of experiments, is finally obtained as follows Technical scheme:
A kind of modified-release tablets of potassium chloride, it is by sustained release pellet soluble in the stomach, enteric sustained-release pellet and other pharmaceutically acceptable auxiliary Material direct tablet compressing forms, and described sustained release pellet soluble in the stomach is 1 by mass ratio:(0.3-0.5):(0.3-0.5):(0.01-0.03) Potassium chloride, mesoporous carbon, acrylic resin IV and surfactant composition, described enteric sustained-release pellet by mass ratio be 1: (0.3-0.5):(0.3-0.5):Potassium chloride, mesoporous carbon, acrylic resin I-III and the surfactant group of (0.01-0.03) Into.
Preferably, modified-release tablets of potassium chloride as described above, the weight of sustained release pellet soluble in the stomach and enteric sustained-release pellet therein Than for 1:(2-4), preferred weight ratio 1:3.
Preferably, modified-release tablets of potassium chloride as described above, acrylic resin I-III therein are selected from acrylic resin I, third The one or more of olefin(e) acid resin II and acrylic resin III.
It is further preferred that modified-release tablets of potassium chloride as described above, pharmaceutically acceptable auxiliary material therein includes filling Agent, disintegrant and lubricant.It is further preferred that described filler is selected from lactose, microcrystalline cellulose, pregelatinized starch and shallow lake One or more in powder;It is fine that described disintegrant is selected from PVPP, Ac-Di-Sol, low substituted hydroxy-propyl One or more in dimension element and sodium carboxymethyl starch;Described lubricant is selected from magnesium stearate, silica, stearic acid richness horse One or more in sour sodium and talcum powder.
It is further preferred that modified-release tablets of potassium chloride as described above, mesoporous carbon therein is specific surface area for 1018~ 1058m2/ g, pore volume are 0.51~0.86cm3/ g mesoporous carbon.
Present invention also offers a kind of preparation method of modified-release tablets of potassium chloride, this method comprises the following steps:
(1) preparation of sustained release pellet soluble in the stomach:
1. potassium chloride is dissolved in 0.05-0.2mol/L hydrochloric acid solutions, adds mesoporous carbon and stir, then sequentially add Acrylic resin IV, surfactant are stirred to being completely dissolved;
2. the mixed liquor 1. prepared is added in atoleine, quickly stirred to emulsification by 1000~1500rpm rotating speed Uniformly;
3. the emulsion 2. prepared is heated into 100 DEG C under agitation, lasting stirring removes hydrochloric acid, filters, and cleans Atoleine, dry, obtain sustained release pellet soluble in the stomach;
(2) preparation of enteric sustained-release pellet:
1. potassium chloride is dissolved in saturation ammoniacal liquor, add mesoporous carbon stir, then sequentially add acrylic resin I- IIIth, surfactant is stirred to being completely dissolved;
2. the mixed solution 1. prepared is added in atoleine, quickly stirred to breast by 1000~1500rpm rotating speed Change uniform;
3. the emulsion 2. prepared is heated into 100 DEG C under agitation, lasting stirring removes ammoniacal liquor, filters, and cleans Atoleine, dry, obtain enteric sustained-release pellet;
(3) sustained release pellet soluble in the stomach will be obtained, enteric sustained-release pellet is well mixed with other pharmaceutically acceptable auxiliary materials, press Piece, produce.
It should be noted that in the preparation method of modified-release tablets of potassium chloride of the present invention, wherein used surface is lived Property agent is preferably sorbester p17.
Compared with prior art, modified-release tablets of potassium chloride of the present invention can improve the contact area of medicine and intestines and stomach, Make drug absorption complete, so as to improve bioavilability;Combined, can be obtained preferably by the micropill of several different drug release rates Rate of releasing drug, insoluble drug release is steady, blood concentration expected from acquirement, and can maintain longer action time, is released now in the absence of prominent As the adverse reactions such as stimulation to gastric mucosa can be avoided;Its drug release behavior is the multiple micropills composition compound for forming a dosage Influence, absorption in vivo has good reappearance;Medicine is little affected by the influence of gastric emptying change in vivo, in body Interior absorption has good reappearance;Micropill has uniform particle sizes, good fluidity, the advantages that being not easy to crush, particularly in micropill Capsule core surface coatings, sustained release preparation is made, technique is simple, and tablet etc. can be avoided to cause medicine arteries and veins due to being coated uneven The risk of punching, safety coefficient are high.
Embodiment
Now the preparation process of the present invention and implementation result, but the protection of the present invention are further described by following examples Scope is not limited to following examples.Those skilled in the art do not depart from scope and done according to the announcement of the present invention The improvement and modification gone out all should be within protection scope of the present invention.It should be noted that mesoporous carbon used by embodiment It is that specific surface area is 1018~1058m2/ g, pore volume are 0.51~0.86cm3/ g mesoporous carbon.
Embodiment 1:The preparation of modified-release tablets of potassium chloride
(1) sustained release pellet soluble in the stomach
(2) enteric sustained-release pellet
(3) sustained release tablets
Preparation method:
(1) potassium chloride is dissolved in 0.1mol/L hydrochloric acid solutions, adds mesoporous carbon and stir, add acrylic resin IV Stirring adds sorbester p17 and stirred to being completely dissolved to being completely dissolved;Mixed solution is added in atoleine, quick stirring to breast Change uniform;The emulsion of preparation is heated to 100 DEG C under agitation, lasting stirring removes hydrochloric acid solution, filtering, uses hexamethylene Alkane washing liquid paraffin, dry, obtain potassium chloride sustained release pellet soluble in the stomach.
(2) potassium chloride is dissolved in saturation ammoniacal liquor, adds mesoporous carbon and stir, added acrylic resin I and stir to complete Fully dissolved, add sorbester p17 and stir to being completely dissolved;Mixed solution is added in atoleine, quick stirring is uniform to emulsifying; The emulsion of preparation is heated to 100 DEG C under agitation, lasting stirring removes sodium hydroxide solution, filtering, uses hexamethylene Washing liquid paraffin, dry, obtain potassium chloride enteric sustained-release pellet.
(3) it is the soluble in the stomach of preparation, enteric sustained-release pellet and pregelatinized starch, low-substituted hydroxypropyl cellulose, stearic acid is rich Horse acid sodium is well mixed, Φ 20 × 9.5mm scrobicula of bonding stampings, control hardness 100-120N or so, is produced.
Embodiment 2:The preparation of modified-release tablets of potassium chloride
(1) sustained release pellet soluble in the stomach
(2) enteric sustained-release pellet
(3) sustained release tablets
Preparation method:
(1) potassium chloride is dissolved in 0.1mol/L hydrochloric acid solutions, adds mesoporous carbon and stir, add acrylic resin IV Stirring adds sorbester p17 and stirred to being completely dissolved to being completely dissolved;Mixed solution is added in atoleine, quick stirring to breast Change uniform;The emulsion of preparation is heated to 100 DEG C under agitation, lasting stirring removes hydrochloric acid solution, filtering, uses hexamethylene Alkane washing liquid paraffin, dry, obtain potassium chloride sustained release pellet soluble in the stomach.
(2) potassium chloride is dissolved in saturation ammoniacal liquor, adds mesoporous carbon and stir, added acrylic resin I and stir to complete Fully dissolved, add sorbester p17 and stir to being completely dissolved;Mixed solution is added in atoleine, quick stirring is uniform to emulsifying; The emulsion of preparation is heated to 100 DEG C under agitation, lasting stirring removes sodium hydroxide solution, filtering, uses hexamethylene Washing liquid paraffin, dry, obtain potassium chloride enteric sustained-release pellet.
(3) the soluble in the stomach of preparation, enteric sustained-release pellet are mixed with microcrystalline cellulose, sodium carboxymethyl starch, magnesium stearate It is even, Φ 20 × 9.5mm scrobicula of bonding stampings, control hardness 100-120N or so, produce.
Embodiment 3:The preparation of modified-release tablets of potassium chloride
(1) sustained release pellet soluble in the stomach
(2) enteric sustained-release pellet
(3) sustained release tablets
Preparation method:
(1) potassium chloride is dissolved in 0.1mol/L hydrochloric acid solutions, adds mesoporous carbon and stir, add acrylic resin IV Stirring adds sorbester p17 and stirred to being completely dissolved to being completely dissolved;Mixed solution is added in atoleine, quick stirring to breast Change uniform;The emulsion of preparation is heated to 100 DEG C under agitation, lasting stirring removes hydrochloric acid solution, filtering, uses hexamethylene Alkane washing liquid paraffin, dry, obtain potassium chloride sustained release pellet soluble in the stomach.
(2) potassium chloride is dissolved in saturation ammoniacal liquor, adds mesoporous carbon and stir, added acrylic resin I and stir to complete Fully dissolved, add sorbester p17 and stir to being completely dissolved;Mixed solution is added in atoleine, quick stirring is uniform to emulsifying; The emulsion of preparation is heated to 100 DEG C under agitation, lasting stirring removes sodium hydroxide solution, filtering, uses hexamethylene Washing liquid paraffin, dry, obtain potassium chloride enteric sustained-release pellet.
(3) the soluble in the stomach of preparation, enteric sustained-release pellet are well mixed with lactose, PVPP, magnesium stearate, Φ 20 × 9.5mm scrobicula of bonding stampings, control hardness 100-120N or so, are produced.
Comparative example 1:The preparation of modified-release tablets of potassium chloride
Preparation method:
Potassium chloride crushed 100 mesh sieves, is well mixed with microcrystalline cellulose, hydroxypropyl methylcellulose, add alcohol granulation, cross 18 Mesh sieve, 60 DEG C of dryings, 18 mesh sieve whole grains are crossed, add recipe quantity magnesium stearate, be well mixed, Φ 12mm stampings, control hardness 90-110N or so, produce.
Comparative example 2:The preparation of modified-release tablets of potassium chloride
(1) Core formulation
(2) it is coated prescription
Ethyl cellulose 5g
Hydroxypropylcellulose 1g
Ethanol 100g
Preparation method:
Potassium chloride crushed 100 mesh sieves, is well mixed with microcrystalline cellulose, PVP, add 50% alcohol granulation, cross 18 mesh Sieve, 60 DEG C of dryings, 18 mesh sieve whole grains are crossed, add recipe quantity magnesium stearate, be well mixed, Φ 12mm stampings, control hardness 90- 110N or so, produce label.Ethyl cellulose and hydroxypropylcellulose are dissolved in ethanol, the label of preparation is coated, to weightening 20% or so.
Embodiment 4:The drug release determination of modified-release tablets of potassium chloride
This product is taken, according to drug release determination method (Chinese Pharmacopoeia the second methods of version annex X D in 2010), using dissolution method Second subtraction unit (Chinese Pharmacopoeia version annex X C in 2010), using 0-2h using pH1.2 hydrochloric acid solutions 500ml as solvent, after 2h samplings Add warmed-up pH6.8 phosphate buffer solution 400ml, rotating speed is 75 turns per minute, is operated in accordance with the law, during through 1,2,4,6 and 8h, Solution 25ml is taken respectively, is filtered, and supplements mutually synthermal, same volume dissolution medium in process container immediately;Take continuous filter Liquid is as need testing solution;Another potassium chloride reference substance is appropriate, and being dissolved in water and diluting is made, and is dissolved in water and quantifies dilution and makes Into in every lml containing about 80 μ g solution, as reference substance solution.Precision measures need testing solution and takes subsequent filtrate 20mL, adds respectively Enter potassium chromate indicator 4 to drip, titrated with 0.01mol/L silver nitrates (specification 0.01mol/L, F=1.013), and it is molten using blank Agent corrects, and drug release determination the results are shown in Table.
Table 1:Modified-release tablets of potassium chloride drug release determination result (%)
It was found from the experiment statisticses result of table 1, modified-release tablets of potassium chloride prepared by embodiment 1-3 is left in 2h releases 25% The right side, it is primarily due to sustained release pellet soluble in the stomach and is discharged under the conditions of pH1.2 completely, and enteric-coated micro-pill will not be released in acid condition Put, therefore the sustained release tablets of the present invention are not in phenomenon of burst release;Enteric-coated micro-pill has preferable slow release effect under the conditions of pH6.8, 8h medicines discharge completely substantially.Comparative example 1 is ordinary gel type sustained release tablets, and comparative example 2 is film controlling type sustained release tablets, prominent release be present Risk, caused result is that each sample release differs greatly during drug release determination.

Claims (6)

1. a kind of preparation method of modified-release tablets of potassium chloride, it is characterised in that this method comprises the following steps:
(1)The preparation of sustained release pellet soluble in the stomach:
1. potassium chloride is dissolved in 0.05-0.2mol/L hydrochloric acid solutions, adds mesoporous carbon and stir, then sequentially add propylene Acid resin IV, surfactant are stirred to being completely dissolved;
2. the mixed liquor 1. prepared is added in atoleine, quickly stirred by 1000~1500rpm rotating speed uniform to emulsifying;
3. the emulsion 2. prepared is heated into 100 DEG C under agitation, lasting stirring removes hydrochloric acid, filtering, washing liquid Paraffin, dry, obtain sustained release pellet soluble in the stomach;
(2)The preparation of enteric sustained-release pellet:
1. potassium chloride is dissolved in saturation ammoniacal liquor, adds mesoporous carbon and stir, then sequentially add acrylic resin I-III, table Face activating agent is stirred to being completely dissolved;
2. the mixed solution 1. prepared is added in atoleine, quickly stirred by 1000~1500rpm rotating speed equal to emulsifying It is even;
3. the emulsion 2. prepared is heated into 100 DEG C under agitation, lasting stirring removes ammoniacal liquor, filtering, washing liquid Paraffin, dry, obtain enteric sustained-release pellet;
(3)Sustained release pellet soluble in the stomach will be obtained, enteric sustained-release pellet is well mixed with other pharmaceutically acceptable auxiliary materials, tabletting, Produce;
Described sustained release pellet soluble in the stomach is 1 by mass ratio:(0.3-0.5):(0.3-0.5):(0.01-0.03)Potassium chloride, be situated between Hole carbon, acrylic resin IV and surfactant composition, described enteric sustained-release pellet are 1 by mass ratio:(0.3-0.5): (0.3-0.5):(0.01-0.03)Potassium chloride, mesoporous carbon, acrylic resin I-III and surfactant composition, described stomach The weight ratio of molten sustained release pellet and enteric sustained-release pellet is 1:(2-4), described mesoporous carbon is specific surface area for 1018~ 1058m2/ g, pore volume are 0.51~0.86cm3/ g mesoporous carbon.
2. the preparation method of modified-release tablets of potassium chloride according to claim 1, it is characterised in that described surfactant is department Disk 80.
3. the preparation method of modified-release tablets of potassium chloride according to claim 1, it is characterised in that described sustained release pellet soluble in the stomach with The weight ratio of enteric sustained-release pellet is 1:3.
4. the preparation method of modified-release tablets of potassium chloride according to claim 1, it is characterised in that described acrylic resin I-III One or more selected from acrylic resin I, acrylic resin II and acrylic resin III.
5. the preparation method of modified-release tablets of potassium chloride according to claim 1, it is characterised in that described is pharmaceutically acceptable Auxiliary material includes filler, disintegrant and lubricant.
6. the preparation method of modified-release tablets of potassium chloride according to claim 5, it is characterised in that described filler is selected from breast One or more in sugar, microcrystalline cellulose, pregelatinized starch and starch;Described disintegrant is selected from PVPP, crosslinking One or more in sodium carboxymethylcellulose, low-substituted hydroxypropyl cellulose and sodium carboxymethyl starch;Described lubricant choosing One or more from magnesium stearate, silica, sodium stearyl fumarate and talcum powder.
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CN105250239B (en) * 2015-11-16 2018-09-18 遵义医学院 Ginkgolides nanometer delays controlled release oral dosage formulations and preparation method thereof
CN107252418B (en) * 2017-05-17 2020-06-23 西安棣加生物科技有限公司 A method of preparing oral fast disintegrating tablets for the treatment of hypokalemia by 3D printing technology
CN107823189B (en) * 2017-11-25 2021-04-06 杭州高成生物营养技术有限公司 Potassium chloride sustained-release pellet and preparation method and application thereof
CN110755399A (en) * 2019-10-29 2020-02-07 白喜平 Potassium chloride sustained-release tablet and preparation method thereof
CN115554258B (en) * 2022-10-09 2023-07-25 广州誉东健康制药有限公司 Preparation equipment and preparation method of oral potassium chloride sustained release tablet

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