CN104523641B - Lansoprazole intestine preparation and preparation method thereof - Google Patents

Lansoprazole intestine preparation and preparation method thereof Download PDF

Info

Publication number
CN104523641B
CN104523641B CN201410834496.2A CN201410834496A CN104523641B CN 104523641 B CN104523641 B CN 104523641B CN 201410834496 A CN201410834496 A CN 201410834496A CN 104523641 B CN104523641 B CN 104523641B
Authority
CN
China
Prior art keywords
lubricant
lansoprazole
opacifier
film forming
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410834496.2A
Other languages
Chinese (zh)
Other versions
CN104523641A (en
Inventor
彭守明
周桂梅
肖萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Dikang Pharmaceutical Co., Ltd.
Original Assignee
Chengdu Dikang Pharmaceutical Ltd By Share Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Dikang Pharmaceutical Ltd By Share Ltd filed Critical Chengdu Dikang Pharmaceutical Ltd By Share Ltd
Priority to CN201410834496.2A priority Critical patent/CN104523641B/en
Publication of CN104523641A publication Critical patent/CN104523641A/en
Application granted granted Critical
Publication of CN104523641B publication Critical patent/CN104523641B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention belongs to field of medicaments, and in particular to a kind of proton pump inhibitor Lansoprazole intestine preparation and preparation method thereof.The property of Lansoprazole is highly unstable; it is improper to prepare or store; it can degrade rapidly, change colour; the curative effect and drug safety of drug are directly affected, to solve the above-mentioned problems, enteric coated preparations of the present invention are using Lansoprazole as main ingredient; it is prepared using three layers of coating; three layers of coatings are respectively as follows: alkaline protective layer, separation layer, enteric layer from the inside to the outside;Wherein: alkaline protective layer includes film forming agent, lubricant, opacifier, alkaline stabiliser, solvent, and the pH value of coating solution is 8.0~13.0;Separation layer includes film forming agent, lubricant, plasticizer, opacifier, solvent, and the pH value of coating solution is 7.0~8.0;Enteric layer includes film forming agent, plasticizer, lubricant, opacifier, stabilizer, solvent, and the pH value of coating solution is 5.0~6.0.The present invention has life cycle of the product short, and small feature is influenced by environment, temperature and humidity, dust pollution.

Description

Lansoprazole intestine preparation and preparation method thereof
Technical field
The invention belongs to field of medicaments, and in particular to a kind of proton pump inhibitor Lansoprazole intestine preparation and its preparation side Method.
Background technique
The chemical structural formula of Lansoprazole are as follows:
Chemical name: 5- methoxyl group -2- { [(- 2 pyridyl group of 4- methoxyl group -3,5- dimethyl)-methyl] sulfinyl } -1H- Benzimidazole.
It is monoalkoxy pyridine compounds for clinical benzimidazole class PPI that Lansoprazole, which is first, after the 2h that takes medicine Plasma concentration reaches peak, half-life period about 1h.The bioavilability of single dose is 35%, and multi-dose bioavilability increases to 60%. The potent inhibitor of film inner proton pump is secreted for parietal cell tip, Lansoprazole is suitable for gastric ulcer, duodenal ulcer, erosive Stomach-esophageal reflux disease, helicobacter pylori syndrome.Present clinical application is most widely Lansoprazole enteric-coated tablet.Due to Its strength Acidinhibitor makes some cankers for being previously required to operative treatment that healing can be obtained by this drug therapy.
Lansoprazole is unstable under acidic condition, into stomach, can be destroyed by gastric acid;Acid, wet, hot and illumination Under the conditions of, it can all degrade rapidly.The Lansoprazole enteric-coated tablet of preparation, if storage requirement is improper, product can be during storage It degrades.The existing technology for preparing Lansoprazole enteric-coated tablet, in process of production or in product storage process, is produced from centre Perhaps the character of finished product label changes and becomes yellowish or grey product.Contaminant overstandard, there are security-hidden troubles.
The present invention is intended to provide a kind of completely new Lansoprazole intestine preparation and preparation method thereof, to improve the steady of Lansoprazole It is qualitative, reduce storage process mesometamorphism the phenomenon that.
Summary of the invention
The property of Lansoprazole is highly unstable, and it is improper to prepare or store, and can degrade rapidly, change colour, directly affect drug Curative effect and drug safety, present inventor has carried out the technical study of many years thus, provides a kind of completely new blue rope Draw azoles enteric coated preparations and preparation method thereof.
Lansoprazole intestine preparation of the present invention, it is characterised in that: it is to be made using Lansoprazole as main ingredient using three layers of coating Standby to form, three layers of coatings are respectively as follows: alkaline protective layer, separation layer, enteric layer from the inside to the outside;Wherein:
Alkaline protective layer includes film forming agent, lubricant, opacifier, alkaline stabiliser, solvent, and the pH value of coating solution is 8.0 ~13.0 (preferably 10.0~12.0);
Separation layer includes film forming agent, lubricant, plasticizer, opacifier, solvent, and the pH value of coating solution is 7.0~8.0;
Enteric layer includes film forming agent, plasticizer, lubricant, opacifier, stabilizer, solvent, and the pH value of coating solution is 5.0~ 6.0。
Wherein, the alkaline protective layer each component weight proportion are as follows: film forming agent 4~10%, lubricant 1~5%, opacifier 0.5~3%, alkaline stabiliser 0.5~3%, solvent 80~95%;The pH value of coating solution be 8.0~13.0 (preferably 10.0~ 12.0);
It is preferred that alkaline protective layer each component weight proportion are as follows: film forming agent 5~7%, lubricant 2~2.5%, opacifier 0.8 ~1.5%, alkaline stabiliser 0.5~0.8%, solvent 80~90%;The pH value of coating solution be 8.0~13.0 (preferably 10.0~ 12.0);
Most preferably, alkaline protective layer each component weight proportion are as follows: film forming agent 5.94%, lubricant 2.28%, opacifier 1.19%, alkaline stabiliser 0.59%, solvent 90%;The pH value of coating solution is 8.0~13.0 (preferably 10.0~12.0);
Wherein, the separation layer each component weight proportion are as follows: film forming agent 4~10%, lubricant 1~5%, opacifier 0.5 ~3%, solvent 80~95%, the pH value of coating solution is 7.0~8.0;
It is preferred that separation layer each component weight proportion are as follows: film forming agent 5~7%, lubricant 2~4%, opacifier 0.8~ 1.5%, solvent 80~90%;The pH value of coating solution is 7.0~8.0;
Most preferably, separation layer each component weight proportion are as follows: film forming agent 5.88%, lubricant 2.94%, opacifier 1.18%, Solvent 90%;The pH value of coating solution is 7.0~8.0;
Wherein, the enteric layer each component weight proportion are as follows: film forming agent 3~8%, plasticizer 1~3%, lubricant 1~ 5%, opacifier 0.5~3%, stabilizer 0.5~3%, solvent 80~95%;The pH value of coating solution is 5.0~6.0;
It is preferred that enteric layer each component weight proportion are as follows: film forming agent 3~5%, plasticizer 1~2%, lubricant 1~3% hide Photo etching 1.5~2.5%, stabilizer 0.5~1%, solvent 80~90%;The pH value of coating solution is 5.0~6.0;
Most preferably, enteric layer each component weight proportion are as follows: film forming agent 4.23%, plasticizer 1.76%, lubricant 2.12%, Opacifier 2.30%, stabilizer 0.71%, solvent 88.88%;The pH value of coating solution is 5.0~6.0.
Wherein, lubricant can also be used as antiplastering aid use.
Key point of the invention is to use alkaline protective layer-three layers of separation layer-enteric layer coated systems, establish Good coating procedure, formulates suitable technological parameter, and product appearance obtained is smooth, rounding, has gloss, while having three The protection of layer coating, can influence to avoid moisture, air, light to label, the quality of product is more stable.Pass through this function Energy property coating, not only protects label, also achieves drug positioning release, reduces destruction of the gastric acid to main component, improve The clinical efficacy of product.
In coated systems of the present invention, film forming agent described in alkaline protective layer is hydroxypropyl methylcellulose, ethyl cellulose, poly- dimension At least one of ketone, methylcellulose, hydroxypropylcellulose;It is preferred that hydroxypropyl methylcellulose;
Lubricant described in alkaline protective layer is at least one of talcum powder, silica, polyethylene glycol, magnesium stearate; Preferably talc powder;
Opacifier described in alkaline protective layer is titanium dioxide, in iron oxide (iron oxide can also be used as colorant use) It is at least one;It is preferred that titanium dioxide;
Alkaline stabiliser described in alkaline protective layer is calcium carbonate, sodium carbonate, sodium bicarbonate, calcium oxide, calcium hydroxide, smart ammonia At least one of acid, meglumine, magnesia, magnesium hydroxide, disodium hydrogen phosphate, sodium phosphate, sodium hydroxide;It is preferred that magnesia;
Solvent described in alkaline protective layer is water, 50-90%v/v ethanol solution;It is preferred that 60~80%v/v ethanol solution;
Film forming agent described in separation layer is hydroxypropyl methylcellulose, ethyl cellulose, povidone, methylcellulose, hydroxypropyl fiber At least one of element;It is preferred that hydroxypropyl methylcellulose;
Lubricant described in separation layer is at least one of talcum powder, silica, polyethylene glycol, magnesium stearate;It is preferred that Talcum powder or polyethylene glycol;
Separation layer the plasticizer is at least one of polyethylene glycol, phthalate;It is preferred that polyethylene glycol;
Opacifier described in separation layer is titanium dioxide, (iron oxide can also be used as colorant use) at least in iron oxide It is a kind of;It is preferred that titanium dioxide;
Solvent described in separation layer is water, 50-90%v/v ethanol solution;It is preferred that 60~80%v/v ethanol solution;
Film forming agent described in enteric layer is at least one of polyacrylic resin, hypromellose phthalate;It is preferred that poly- Acrylic resin;
Enteric layer the plasticizer is at least one of castor oil, polyethylene glycol, diethyl phthalate;It is preferred that castor Sesame oil;
Lubricant described in enteric layer is at least one of talcum powder, silica, magnesium stearate;Preferably talc powder;
Opacifier described in enteric layer is at least one of titanium dioxide, iron oxide;It is preferred that titanium dioxide;
Stabilizer described in enteric layer is at least one of polysorbate, poloxamer;It is preferred that polysorbate;
Solvent described in enteric layer is water, 50-90%v/v ethanol solution;It is preferred that 60~80%v/v ethanol solution.
In order to which application is convenient, beautiful, enteric layer further includes colorant;Colorant described in enteric layer be iron oxide, in pigment extremely Few one kind;It is preferred that iron oxide.
Lansoprazole intestine preparation of the present invention is prepared using following methods:
A, using Lansoprazole as main ingredient, using filler, stabilizer, disintegrating agent, adhesive, lubricant as auxiliary material;
B, particle is prepared according to a conventional method, then tabletting, label is made;
C, three layers of coatings are successively wrapped, are drying to obtain;
Preferably: steps are as follows for method one:
A, by Lansoprazole, filler, stabilizer, adhesive, particle is made in the disintegrating agent of 1/2-2/3 amount, dry,
B, after mixing particle with lubricant, remaining disintegrating agent, label is made in tabletting according to a conventional method;
C, three layers of coatings are successively wrapped, are drying to obtain;
Preferably: steps are as follows for method two:
A, auxiliary material filler, stabilizer, the disintegrating agent of 1/2-2/3 amount, adhesive is taken to prepare particle, it is dry;
B, Lansoprazole, lubricant, remaining disintegrating agent are taken, is mixed with particle, according to a conventional method tabletting, label is made;
C, three layers of coatings are successively wrapped, are drying to obtain.
Wherein, in method one and method two, when step A, preparing tablet in B, the weight of main ingredient Lansoprazole and each auxiliary material Percentage are as follows:
It is preferred that the weight percent of main ingredient Lansoprazole and each auxiliary material are as follows:
Or, it is preferable that the weight percent of main ingredient Lansoprazole and each auxiliary material are as follows:
Wherein, dry described in step C is control label or pellet moisture less than 1%.
Wherein, in preferred method one and method two, dry described in step A is that particle is dry at 50 DEG C or less.
Lansoprazole intestine preparation coatings weight gain of the present invention: alkaline protective layer weight gain 2~3%;Separation layer weight gain 2~ 3%;Enteric layer weight gain 12~15%.
Lansoprazole intestine preparation of the present invention is by preparing point of sample and long-term reserved sample observing and accelerated test result Analysis, inventor have screened excellent filler (also referred to as diluent), stabilizer.Institute in the step A of method one and method two Stating auxiliary material filler is mannitol, lactose, microcrystalline cellulose, pregelatinized starch, preferably mannitol and/or lactose;The stabilization Agent is calcium carbonate, sodium carbonate, sodium bicarbonate, calcium oxide, calcium hydroxide, arginine, meglumine, magnesia, magnesium hydroxide, phosphoric acid Disodium hydrogen, sodium phosphate, sodium hydroxide, preferably magnesia.The disintegrating agent is calcium carboxymethylcellulose, carboxyrnethyl starch sodium, crosslinking Povidone, croscarmellose sodium, low-substituted hydroxypropyl cellulose, preferably crospovidone;Described adhesive is hydroxypropyl first Cellulose, povidone, methylcellulose, starch slurry, preferably hydroxypropyl methylcellulose;It is living using surface can also be added when adhesive With addition of using, polyoxyethylene sorbitan monoleate, poloxamer, lauryl sodium sulfate is can be used in the surface-active for property agent;It is preferred that pool Lip river is husky Nurse;That is the preferred hydroxypropyl methylcellulose of adhesive and poloxamer is with addition of using.Lubricant is that magnesium stearate talc stearoyl is rich Horse acid sodium, preferably magnesium stearate.The mouldability and Lansoprazole that filler has had have good compatibility, to Lansoprazole The stability of material composition in enteric coatel tablets does not have adverse effect.Stabilizer can be protected in Lansoprazole enteric-coated tablet well Material composition Lansoprazole prevents Lansoprazole degradation, discoloration.Equally, inventor has screened adhesive, disintegrating agent, lubrication Agent, these ingredients are conducive to formed product, are also beneficial to main release in tablet, while meeting appearance and inherent quality It is required that.
The moisture of Lansoprazole intestine preparation, the especially moisture in label and particle are reduced to effectively controlling related substance It generates, prevents mass change from having a significant impact, inventor has found that control moisture is down to 1% or less and can realize quality control very well Purpose.
Method one is typical wet granulation technology;Method two is the preparation work of tabletting after blank granules are mixed with raw material Skill: after blank granules processed, then mixing with main ingredient, lubricant, disintegrating agent, avoids Lansoprazole raw material in granulation link by damp and hot Influence prevent impurity from generating conducive to the stabilization of preparation.
By a series of technology exploration, process modification, have life cycle of the product short, it is dirty by environment, temperature and humidity, dust The small feature of the influence of dye, fully ensure that stable product quality.Lansoprazole intestine preparation provided by the invention at 40 DEG C, Under conditions of relative humidity 75%, accelerated test 6 months, label was non-discolouring, and single impurity is no more than 0.3%, and total impurities do not surpass Cross 0.6%.The regulation that other indices are met the quality standard;Room temperature keeps sample 3 years, and label is non-discolouring, other indices The regulation met the quality standard.Especially, within defined storage period, product quality keeps stablizing, and complies fully with quality and wants It asks.
Specific embodiment
There are two types of different technical solutions when the present invention prepares particle
(1) preparation method one
1, the composition of label:
Main ingredient ingredient Filler Stabilizer Disintegrating agent Adhesive Lubricant
Lansoprazole Mannitol and/or lactose Magnesia Crospovidone Hydroxypropyl methylcellulose is with addition of poloxamer Magnesium stearate
Filler of the present invention includes: mannitol, lactose, microcrystalline cellulose, pregelatinized starch etc., by technique system Standby and stability test, preferably mannitol and/or lactose.
Stabilizer of the present invention include: calcium carbonate, sodium carbonate, sodium bicarbonate, calcium oxide, calcium hydroxide, arginine, Meglumine, magnesia, magnesium hydroxide, disodium hydrogen phosphate, sodium phosphate, sodium hydroxide etc., by technique preparation and stability test, It is preferred that magnesia.
Disintegrating agent of the present invention includes: calcium carboxymethylcellulose, carboxyrnethyl starch sodium, crospovidone, crosslinking carboxylic first Base sodium cellulosate, (low substitution) hydroxypropylcellulose etc., by technique preparation and stability test, preferably crospovidone.
Adhesive of the present invention includes: hydroxypropyl methylcellulose, povidone, methylcellulose, starch slurry etc., by work Skill preparation and study on the stability, preferably hydroxypropyl methylcellulose.Using surfactant can also be added when adhesive with addition of using, Polyoxyethylene sorbitan monoleate, poloxamer, lauryl sodium sulfate can be used in the surface-active;It is preferred that poloxamer;I.e. adhesive is excellent Select hydroxypropyl methylcellulose and poloxamer with addition of using.
Lubricant of the present invention includes: magnesium stearate talc sodium stearyl fumarate, by technique preparation and surely Qualitative test, preferably magnesium stearate.
2, preparation method
Lansoprazole is uniformly mixed with filler, stabilizer, partial disintegration agent, is placed in granulator, adhesive is added, It is mixed, softwood is made, then by 20 mesh screens, particle is made, in 50 DEG C or less dry particles, remaining disintegrating agent is added And lubricant, tabletting, then be coated.
3, three layers of coating: according to coating material characteristic, preferably different coating compositions.
First layer: alkaline protective layer
It is coated composition:
The characteristics of alkaline protective layer coating solution be pH value between 8.0~13.0, preferably 10.0~12.0.
The second layer: separation layer
It is coated composition:
The characteristics of spacer layer coating liquid, is pH value between 7.0~8.0.
Third layer: enteric layer (function coatings)
It is coated composition:
The characteristics of enteric layer coating solution, is pH value between 5.0~6.0.
Coating process: coating material is dissolved or is distributed in defined solvent, is stirred evenly, is sieved, then according to packet Clothing operation requires to be coated respectively.Three layers of coating are completed altogether.
The drying of coating tablet: dry to label moisture 1% hereinafter, entering packaging link.
(2) preparation method two
The characteristics of program is that Lansoprazole raw material is not involved in pelletization, can be to avoid the damp and hot influence to raw material.
1, the composition of label: identical as technical solution one, detailed content is formed referring to the label in technical solution one.
2, filler, stabilizer, partial disintegration agent are uniformly mixed by preparation method, are placed in efficient mixer-granulator, are added Enter adhesive, be mixed, be made softwood, then by 24 mesh screens, particle is made, in 50 DEG C or less dry particles, then with orchid Rope draws azoles, remaining disintegrating agent, mix lubricant uniform, tabletting, then is coated.
3, three layers of coating: according to coating material characteristic, preferably different coating compositions.
First layer: alkaline protective layer
It is coated composition:
The characteristics of alkaline protective layer coating solution be pH value between 8.0~13.0, preferably 10.0~12.0.
The second layer: separation layer
It is coated composition:
The characteristics of spacer layer coating liquid, is pH value between 7.0~8.0.
Third layer: enteric layer (function coatings)
It is coated composition:
The characteristics of enteric layer coating solution, is pH value between 5.0~6.0.
Coating process: coating material is dissolved or is distributed in defined solvent, is stirred evenly, is sieved, then according to packet Clothing operation requires to be coated respectively.Three layers of coating are completed altogether.
The drying of coating tablet: dry to label moisture 1% hereinafter, entering packaging link.
The following are the stability tests for investigating enteric coated preparations beneficial effect of the present invention.
Be respectively adopted after preparation plain piece three layers, two layers and single coats prescription simultaneously amplified using different preparation methods Amount is verified.
PH value measurement is carried out to the coating solution of all coatings, the pH value for verifying different coatings is limiting in range.
6 months study on the stability of accelerated test are carried out to the sample of all embodiments, to the character, content, release of sample Degree, acid-resistant strength, related substance are detected, and obtain data, and the sample quality of different embodiments is compared.
(1) three layer of coating embodiment
Embodiment 1-5
Preparation method (method one):
1) micronization processes Lansoprazole;
2) Lansoprazole, magnesia, crospovidone are mixed, No. 5 sieves is then crossed, makes color uniformity;Add cream Sugar, mannitol mixing, sieve after No. 5, make color uniformity;
3) be added adhesive softwood, 20 mesh screen oscillating granulations, 50 DEG C drying 1 hour.Moisture 1.5-2.5% is controlled, 20 mesh screen whole grains;
4) magnesium stearate is added, sieving is uniformly mixed;
5) suitable hardness and friability tabletting: are controlled.Hardness 4-6kg, friability are no more than 0.3%;
6) it is coated: according to the coating prescription in table, preparing coating solution, implement coating;
7) after the completion of being coated, dry coationg piece to moisture is less than 1%, packaging.
Embodiment 6-10
Preparation method (method two):
1) Lansoprazole is taken, No. 5 pharmacopeia sieves (80 mesh) are crossed;
2) poloxamer F68 is mixed, No. five pharmacopeia sieves are crossed;
3) said mixture is mixed with unclassified stores, is sieved 1-2 times after No. 3 pharmacopeia, makes mixed-powder color uniform one It causes;
4) suitable hardness and friability tabletting: are controlled.Hardness 4-6kg, friability are no more than 0.3%;
5) it is coated: according to the coating prescription in table, preparing coating solution, implement coating;
6) after the completion of being coated, dry coationg piece to moisture is less than 1%, packaging.
(2) two-layered coating embodiment
Embodiment 11-12
Preparation method (method one):
1) micronization processes Lansoprazole;
2) Lansoprazole, magnesia, crospovidone are mixed, No. 5 sieves is then crossed, makes color uniformity;Add cream Sugar, mannitol mixing, sieve after No. 5, make color uniformity;
3) be added adhesive softwood, 20 mesh screen oscillating granulations, 50 DEG C drying 1 hour.Moisture 1.5-2.5% is controlled, 20 mesh screen whole grains;
4) magnesium stearate is added, sieving is uniformly mixed;
5) suitable hardness and friability tabletting: are controlled.Hardness 4-6kg, friability are no more than 0.3%;
6) it is coated: according to the coating prescription in table, preparing coating solution, implement coating;
7) after the completion of being coated, dry coationg piece to moisture is less than 1%, packaging.
Embodiment 13-14
Preparation method (method two):
1) Lansoprazole is taken, No. 5 pharmacopeia sieves (80 mesh) are crossed;
2) poloxamer F68 is mixed, No. five pharmacopeia sieves are crossed;
3) said mixture is mixed with unclassified stores, is sieved 1-2 times after No. 3 pharmacopeia, makes mixed-powder color uniform one It causes;
4) suitable hardness and friability tabletting: are controlled.Hardness 4-6kg, friability are no more than 0.3%;
5) it is coated: according to the coating prescription in table, preparing coating solution, implement coating;
6) after the completion of being coated, dry coationg piece to moisture is less than 1%, packaging.
(3) single coats embodiment
Embodiment 15-16
Preparation method (method one):
1) micronization processes Lansoprazole;
2) Lansoprazole, magnesia, crospovidone are mixed, No. 5 sieves is then crossed, makes color uniformity;Add cream Sugar, mannitol mixing, sieve after No. 5, make color uniformity;
3) be added adhesive softwood, 20 mesh screen oscillating granulations, 50 DEG C drying 1 hour.Moisture 1.5-2.5% is controlled, 20 mesh screen whole grains;
4) magnesium stearate is added, sieving is uniformly mixed;
5) suitable hardness and friability tabletting: are controlled.Hardness 4-6kg, friability are no more than 0.3%;
6) it is coated: according to the coating prescription in table, preparing coating solution, implement coating;
7) after the completion of being coated, dry coationg piece to moisture is less than 1%, packaging.
Embodiment 17-18
Preparation method (method two):
1) Lansoprazole is taken, No. 5 pharmacopeia sieves (80 mesh) are crossed;
2) poloxamer F68 is mixed, No. five pharmacopeia sieves are crossed;
3) said mixture is mixed with unclassified stores, is sieved 1-2 times after No. 3 pharmacopeia, makes mixed-powder color uniform one It causes;
4) suitable hardness and friability tabletting: are controlled.Hardness 4-6kg, friability are no more than 0.3%;
5) it is coated: according to the coating prescription in table, preparing coating solution, implement coating;
6) after the completion of being coated, dry coationg piece to moisture is less than 1%, packaging.
Hydroxypropylcellulose in embodiment 1-18 is (low substitution) hydroxypropylcellulose.
(4) detection data after 0 month detection data of the test specimen of each embodiment and study on the stability:
1, three layers of coating 0 month detection data of test specimen:
Serial number Piece disposition shape Content Release Acid-resistant strength Single impurity Total impurities
1 White 98.3% 96.2% 98.3% 0.079% 0.42%
2 White 101.2% 97.1% 99.2% 0.061% 0.39%
3 White 100.4% 98.3% 99.6% 0.064% 0.35%
4 White 99.1% 97.2% 97.3% 0.087% 0.51%
5 White 99.4% 97.9% 99.2% 0.063% 0.34%
6 White 100.3% 97.3% 99.6% 0.094% 0.49%
7 White 99.3% 96.2% 98.3% 0.082% 0.33%
8 White 100.2% 97.1% 99.2% 0.083% 0.37%
9 White 100.2% 98.3% 99.6% 0.094% 0.53%
10 White 99.3% 96.2% 95.3% 0.078% 0.51%
10 batches of three layers of sample coatings: every Testing index meets regulation, and single impurity average level 0.0785% is total miscellaneous Matter average level 0.424%.
2,0 month detection data of two-layered coating test specimen
Serial number Piece disposition shape Content Release Acid-resistant strength Single impurity Total impurities
11 White 101.8% 97.5% 98.4% 0.083% 0.57%
12 White 99.3% 96.5% 98.4% 0.091% 0.46%
13 White 99.6% 94.5% 98.4% 0.093% 0.52%
14 White 100.5% 95.5% 96.4% 0.094% 0.48%
4 batches of sample two-layered coatings: every Testing index meets regulation, single average level 0.0903%, and total impurities are put down Equal level 0.51%.
3,0 month detection data of single coats test specimen
Serial number Piece disposition shape Content Release Acid-resistant strength Single impurity Total impurities
15 The piece central layer contacted with coatings has light grey spot 100.3% 96.4% 97.6% 0.144% 0.67%
16 The piece central layer contacted with coatings has light grey spot 97.2% 95.4% 96.3% 0.127% 0.66%
17 The piece central layer contacted with coatings has light grey spot 98.2% 94.2% 95.3% 0.162% 0.82%
18 The piece central layer contacted with coatings has light grey spot 101.2% 97.5% 98.4% 0.125% 0.78%
4 batches of sample single coats: piece disposition shape is undesirable, other every Testing index meet regulation, single flat Equal level 0.14%, total impurities average level 0.73%.
(5) 6 months detection datas (40 DEG C, relative humidity 75%) of the test specimen accelerated test of each embodiment:
1, three layers of coating 6 months accelerated test detection data of test specimen:
Serial number Piece disposition shape Content Release Acid-resistant strength Single impurity Total impurities
1 White 99.4% 96.2% 98.1% 0.079% 0.54%
2 White 101.2% 97.1% 99.2% 0.068% 0.46%
3 White 99.3% 98.3% 94.6% 0.074% 0.37%
4 White 99.1% 97.2% 97.3% 0.097% 0.51%
5 White 98.3% 97.9% 94.2% 0.073% 0.39%
6 White 102.3% 97.3% 99.6% 0.094% 0.47%
7 White 99.3% 96.2% 97.3% 0.082% 0.43%
8 White 98.9% 97.1% 95.2% 0.082% 0.37%
9 White 100.2% 98.3% 99.6% 0.104% 0.48%
10 White 100.4% 96.2% 95.3% 0.088% 0.61%
10 batches of three layers of sample coatings: after accelerating 6 months, every Testing index meets regulation.Single impurity average level 0.0841%, total impurities average level 0.463%.
2,6 months accelerated test detection datas of two-layered coating test specimen
Serial number Piece disposition shape Content Release Acid-resistant strength Single impurity Total impurities
11 White (part is yellowish) 99.8% 95.5% 93.5% 0.15% 0.67%
12 White (part is yellowish) 99.3% 94.5% 93.4% 0.14% 0.56%
13 White (part is light yellow) 99.0% 97.5% 94.4% 0.21% 0.73%
14 White (part is yellowish) 101.5% 97.1% 95.2% 0.14% 0.58%
4 batches of sample two-layered coatings, after accelerating 6 months, the piece heart has changed colour, single impurity average level 0.162%, total impurities Level 0.635%.
3,6 months accelerated test detection datas of single coats test specimen
Serial number Piece disposition shape Content Release Acid-resistant strength Single impurity Total impurities
15 Piece heart gray 100.3% 96.4% 97.6% 0.274% 1.47%
16 Piece heart gray 97.2% 95.4% 96.3% 0.317% 2.06%
17 Piece heart gray 98.2% 94.2% 95.3% 0.362% 1.72%
18 The piece heart is in canescence 101.2% 97.5% 98.4% 0.245% 0.98%
4 batches of sample single coats: the piece heart has changed colour, single average level 0.299%, total impurities average level 1.56%.
From testing result it can be seen that
1, three layers of product quality being coated and stability are better than two-layered coating, hence it is evident that are better than single coats.
2, the two-layered coating related levels of substance of sample and three layers of coating difference at 0 month are little, but at accelerated test 6 Month after, can see with the piece central layer that coatings directly contact it is light yellow or yellowish, and the piece central layer of single coats present ash White or grey, and related levels of substance is apparently higher than the sample of two-layered coating and three layers of coating.
3, two-layered coating and single coats sample, after accelerated test 6 months, related levels of substance is apparently higher than three layers of packet Clothing.
The Lansoprazole intestine prepared using Lansoprazole enteric-coated tablet prepared by technology of the invention with other techniques Piece is compared, and has following advantages;
1, moisture is low, and moisture is usually no more than 1%.
2, preparation stabilization accelerates 6 months, and piece heart color is no more than 0.1% without significant change, single impurity, and total impurities are not More than 0.5%.
3, it stores 3 years, label character is still white or off-white color, no metachromatism.Impurity, related substance, release Degree, the items quality index such as acid-resistant strength meet the requirements.

Claims (16)

1. Lansoprazole intestine preparation, it is characterised in that: it is using Lansoprazole as main ingredient, and routinely particle is made in process Afterwards, then tabletting or encapsulated is prepared using three layers of coating, three layers of coatings are respectively as follows: alkaline protective layer from the inside to the outside, Separation layer, enteric layer;Wherein:
The alkalinity protective layer includes film forming agent, lubricant, opacifier, alkaline stabiliser and solvent, each component weight proportion are as follows: Film forming agent 4~10%, lubricant 1~5%, opacifier 0.5~3%, alkaline stabiliser 0.5~3%, solvent 80~95%;Packet The pH value of clothing liquid is 8.0~13.0;
The separation layer includes film forming agent, lubricant, opacifier and solvent, each component weight proportion are as follows: film forming agent 4~10%, Lubricant 1~5%, opacifier 0.5~3%, solvent 80~95%, the pH value of coating solution are 7.0~8.0;
The enteric layer includes film forming agent, plasticizer, lubricant, opacifier, stabilizer and solvent, each component weight proportion are as follows: Film forming agent 3~8%, plasticizer 1~3%, lubricant 1~5%, opacifier 0.5~3%, stabilizer 0.5~3%, solvent 80~ 95%;The pH value of coating solution is 5.0~6.0;
The enteric coated preparations are prepared using following methods:
A, using Lansoprazole as main ingredient, using filler, stabilizer, disintegrating agent, adhesive, lubricant as auxiliary material;
B, particle is prepared according to a conventional method, then tabletting or encapsulated, label or capsule is made;
C, three layers of coatings are successively wrapped, are drying to obtain;
Wherein, it includes two methods that conventional method, which prepares particle:
Steps are as follows for method one:
A, by Lansoprazole, filler, stabilizer, adhesive, particle is made in the disintegrating agent of 1/2-2/3 amount, dry,
B, after mixing particle with lubricant, remaining disintegrating agent, label or glue is made in tabletting or encapsulated according to a conventional method Capsule;
C, three layers of coatings are successively wrapped, are drying to obtain;
Steps are as follows for method two:
A, auxiliary material filler, stabilizer, the disintegrating agent of 1/2-2/3 amount, adhesive is taken to prepare particle, it is dry;
B, Lansoprazole, lubricant, remaining disintegrating agent are taken, is mixed with particle, tabletting or encapsulated, is made piece according to a conventional method Core or capsule;
C, three layers of coatings are successively wrapped, are drying to obtain;
In the step A and step B of method one and method two: the auxiliary material filler is mannitol and/or lactose;The stabilizer For magnesia;The disintegrating agent is crospovidone;Described adhesive is hydroxypropyl methylcellulose;Surface is added in described adhesive For activating agent with addition of using, the surface-active uses poloxamer;Lubricant is magnesium stearate;It is dry for control described in step C Label or capsule endoparticle moisture are less than 1%.
2. Lansoprazole intestine preparation according to claim 1, it is characterised in that:
The alkalinity protective layer each component weight proportion are as follows: film forming agent 5~7%, lubricant 2~2.5%, opacifier 0.8~ 1.5%, alkaline stabiliser 0.5~0.8%, solvent 80~90%;The pH value of coating solution is 8.0~13.0;
The separation layer each component weight proportion are as follows: film forming agent 5~7%, lubricant 2~4%, opacifier 0.8~1.5% are molten Agent 80~90%;The pH value of coating solution is 7.0~8.0;
The enteric layer each component weight proportion are as follows: film forming agent 3~5%, plasticizer 1~2%, lubricant 1~3%, opacifier 1.5~2.5%, stabilizer 0.5~1%, solvent 80~90%;The pH value of coating solution is 5.0~6.0.
3. Lansoprazole intestine preparation according to claim 1, it is characterised in that:
The alkalinity protective layer each component weight proportion are as follows: film forming agent 5.94%, lubricant 2.28%, opacifier 1.19%, alkali Property stabilizer 0.59%, solvent 90%;The pH value of coating solution is 8.0~13.0;
The separation layer each component weight proportion are as follows: film forming agent 5.88%, lubricant 2.94%, opacifier 1.18%, solvent 90%;The pH value of coating solution is 7.0~8.0;
The enteric layer each component weight proportion are as follows: film forming agent 4.23%, plasticizer 1.76%, lubricant 2.12%, opacifier 2.30%, stabilizer 0.71%, solvent 88.88%;The pH value of coating solution is 5.0~6.0.
4. Lansoprazole intestine preparation according to claim 1-3, it is characterised in that: the alkalinity protective layer The pH value of coating solution preferably 10.0~12.0.
5. Lansoprazole intestine preparation according to claim 1-3, it is characterised in that:
Wherein, film forming agent described in alkaline protective layer is hydroxypropyl methylcellulose, ethyl cellulose, povidone, methylcellulose, hydroxypropyl At least one of cellulose;
Lubricant described in alkaline protective layer is at least one of talcum powder, silica, polyethylene glycol, magnesium stearate;
Opacifier described in alkaline protective layer is at least one of titanium dioxide, iron oxide;
Alkaline stabiliser described in alkaline protective layer be calcium carbonate, sodium carbonate, sodium bicarbonate, calcium oxide, calcium hydroxide, arginine, At least one of meglumine, magnesia, magnesium hydroxide, disodium hydrogen phosphate, sodium phosphate, sodium hydroxide;
Solvent described in alkaline protective layer is water, 50-90%v/v ethanol solution;
Wherein, film forming agent described in separation layer is hydroxypropyl methylcellulose, ethyl cellulose, povidone, methylcellulose, hydroxypropyl fiber At least one of element;
Lubricant described in separation layer is at least one of talcum powder, silica, polyethylene glycol, magnesium stearate;
Opacifier described in separation layer is at least one of titanium dioxide, iron oxide;
Solvent described in separation layer is water, 50-90%v/v ethanol solution;
Wherein, film forming agent described in enteric layer is at least one of polyacrylic resin, hypromellose phthalate;Enteric layer The plasticizer is at least one of castor oil, polyethylene glycol, diethyl phthalate;Lubricant described in enteric layer is to slide At least one of mountain flour, silica, magnesium stearate;
Opacifier described in enteric layer is at least one of titanium dioxide, iron oxide;
Stabilizer described in enteric layer is at least one of polysorbate, poloxamer;
Solvent described in enteric layer is water, 50-90%v/v ethanol solution.
6. Lansoprazole intestine preparation according to claim 1-3, it is characterised in that:
Wherein, film forming agent described in alkaline protective layer is hydroxypropyl methylcellulose;
Lubricant described in alkaline protective layer is talcum powder;
Opacifier described in alkaline protective layer is titanium dioxide;
Alkaline stabiliser described in alkaline protective layer is magnesia;
Solvent described in alkaline protective layer is 60~80%v/v ethanol solution;
Wherein, film forming agent described in separation layer is hydroxypropyl methylcellulose;
Lubricant described in separation layer is talcum powder or polyethylene glycol;
Opacifier described in separation layer is titanium dioxide;
Solvent described in separation layer is 60~80%v/v ethanol solution;
Wherein, film forming agent described in enteric layer is polyacrylic resin;
Enteric layer the plasticizer is castor oil;
Lubricant described in enteric layer is talcum powder;
Opacifier described in enteric layer is titanium dioxide;
Stabilizer described in enteric layer is polysorbate;
Solvent described in enteric layer is 60~80%v/v ethanol solution.
7. Lansoprazole intestine preparation according to claim 1, it is characterised in that: enteric layer further includes colorant.
8. Lansoprazole intestine preparation according to claim 7, it is characterised in that: colorant described in enteric layer is iron oxide.
9. Lansoprazole intestine preparation according to claim 1, it is characterised in that: coatings weight gain: alkaline protective layer increases Weigh 2~3%;Separation layer weight gain 2~3%;Enteric layer weight gain 12~15%.
10. the preparation method of -9 described in any item Lansoprazole intestine preparations according to claim 1, it is characterised in that: described Enteric coated preparations are prepared using following methods:
A, using Lansoprazole as main ingredient, using filler, stabilizer, disintegrating agent, adhesive, lubricant as auxiliary material;
B, particle is prepared according to a conventional method, then tabletting or encapsulated, label or capsule is made;
C, three layers of coatings are successively wrapped, are drying to obtain;
Wherein, it includes two methods that conventional method, which prepares particle:
Steps are as follows for method one:
A, by Lansoprazole, filler, stabilizer, adhesive, particle is made in the disintegrating agent of 1/2-2/3 amount, dry,
B, after mixing particle with lubricant, remaining disintegrating agent, label or glue is made in tabletting or encapsulated according to a conventional method Capsule;
C, three layers of coatings are successively wrapped, are drying to obtain;
Steps are as follows for method two:
A, auxiliary material filler, stabilizer, the disintegrating agent of 1/2-2/3 amount, adhesive is taken to prepare particle, it is dry;
B, Lansoprazole, lubricant, remaining disintegrating agent are taken, is mixed with particle, tabletting or encapsulated, is made piece according to a conventional method Core or capsule;
C, three layers of coatings are successively wrapped, are drying to obtain.
11. the preparation method of Lansoprazole intestine preparation according to claim 10, it is characterised in that: method one and method In two, when step A, preparing tablets and capsules in B, the weight percent of main ingredient Lansoprazole and each auxiliary material are as follows:
12. the preparation method of Lansoprazole intestine preparation according to claim 11, it is characterised in that: method one and method In two, when step A, preparing tablets and capsules in B, the weight percent of main ingredient Lansoprazole and each auxiliary material are as follows:
13. the preparation method of Lansoprazole intestine preparation according to claim 11, it is characterised in that: method one and method In two, when step A, preparing tablets and capsules in B, the weight percent of main ingredient Lansoprazole and each auxiliary material are as follows:
14. the preparation method of the described in any item Lansoprazole intestine preparations of 0-13 according to claim 1, it is characterised in that: side In the step A and step B of method one and method two:
The auxiliary material filler is mannitol and/or lactose;
The stabilizer is magnesia;
The disintegrating agent is crospovidone;
Described adhesive is hydroxypropyl methylcellulose;
Surfactant is added in described adhesive with addition of using, the surface-active uses poloxamer;
Lubricant is magnesium stearate.
15. the preparation method of Lansoprazole intestine preparation according to claim 10, it is characterised in that: method one and method In two, dry described in step A is that particle is dry at 50 DEG C or less.
16. the preparation method of Lansoprazole intestine preparation according to claim 10, it is characterised in that: done described in step C Dry is control label or capsule endoparticle moisture less than 1%.
CN201410834496.2A 2013-12-30 2014-12-29 Lansoprazole intestine preparation and preparation method thereof Active CN104523641B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410834496.2A CN104523641B (en) 2013-12-30 2014-12-29 Lansoprazole intestine preparation and preparation method thereof

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201310747087 2013-12-30
CN2013107470874 2013-12-30
CN201410834496.2A CN104523641B (en) 2013-12-30 2014-12-29 Lansoprazole intestine preparation and preparation method thereof

Publications (2)

Publication Number Publication Date
CN104523641A CN104523641A (en) 2015-04-22
CN104523641B true CN104523641B (en) 2019-11-19

Family

ID=52839403

Family Applications (4)

Application Number Title Priority Date Filing Date
CN201410834496.2A Active CN104523641B (en) 2013-12-30 2014-12-29 Lansoprazole intestine preparation and preparation method thereof
CN201410836476.9A Pending CN104546786A (en) 2013-12-30 2014-12-29 Omeprazole enteric-coated preparation and preparation method thereof
CN201410836966.9A Pending CN104586772A (en) 2013-12-30 2014-12-29 Proton pump inhibitor enteric-coated preparation and coating system and preparation method thereof
CN201410837154.6A Active CN104490840B (en) 2013-12-30 2014-12-29 Pantoprazole sodium enteric-coated preparation and preparation method thereof

Family Applications After (3)

Application Number Title Priority Date Filing Date
CN201410836476.9A Pending CN104546786A (en) 2013-12-30 2014-12-29 Omeprazole enteric-coated preparation and preparation method thereof
CN201410836966.9A Pending CN104586772A (en) 2013-12-30 2014-12-29 Proton pump inhibitor enteric-coated preparation and coating system and preparation method thereof
CN201410837154.6A Active CN104490840B (en) 2013-12-30 2014-12-29 Pantoprazole sodium enteric-coated preparation and preparation method thereof

Country Status (1)

Country Link
CN (4) CN104523641B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104825414B (en) * 2015-05-07 2018-11-16 山东新时代药业有限公司 A kind of stable S-pantoprazole sodium enteric tablet
CN104887674B (en) * 2015-05-12 2019-07-23 上海信谊万象药业股份有限公司 A kind of solid pharmaceutical preparation and preparation method thereof containing Omeprazole
CN105534979A (en) * 2016-03-04 2016-05-04 中国药科大学 Esomeprazole magnesium enteric-coated tablets and preparation method thereof
CN105833281B (en) * 2016-05-18 2018-02-02 连云港万泰医药辅料技术有限公司 A kind of aqueous enteric film coating pre-mix dose and preparation method thereof
CN106138000A (en) * 2016-07-19 2016-11-23 南京正宽医药科技有限公司 A kind of Omeprazole Enteric-coated Tablets and preparation method thereof
CN107137372A (en) * 2017-05-07 2017-09-08 济南同路医药科技发展有限公司 Omeprazole Enteric-coated Tablets and preparation method thereof
CN109125282B (en) * 2018-09-05 2020-07-14 珠海润都制药股份有限公司 Omeprazole enteric capsule and preparation method thereof
CN110507628B (en) * 2019-09-30 2020-07-28 双鹤药业(海南)有限责任公司 Rabeprazole sodium tablet, rabeprazole sodium enteric-coated tablet and preparation method thereof
CN114569579B (en) * 2020-12-02 2023-10-31 丽珠医药集团股份有限公司 Enteric coated pellets, process for their preparation and formulations containing them
CN114617852B (en) * 2020-12-10 2023-06-27 昆药集团股份有限公司 Omeprazole enteric preparation and preparation method thereof
CN114191411B (en) * 2021-11-29 2023-02-28 苏州中化药品工业有限公司 Proton pump inhibitor capsule and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101461809A (en) * 2007-12-18 2009-06-24 重庆药友制药有限责任公司 Pantoprazole sodium enteric tablet and preparation method thereof
CN102119927A (en) * 2010-01-11 2011-07-13 石药集团中奇制药技术(石家庄)有限公司 Enteric-coated pellet preparation of proton pump inhibitor and preparation method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189698A (en) * 1986-04-30 1987-11-04 Haessle Ab Coated omeprazole tablets
US6306435B1 (en) * 2000-06-26 2001-10-23 Yung Shin Pharmaceutical Industrial Co. Ltd. Oral pharmaceutical preparation embedded in an oily matrix and methods of making the same
US20040028737A1 (en) * 2002-08-12 2004-02-12 Kopran Research Laboratories Limited Enteric coated stable oral pharmaceutical composition of acid unstable drug and process for preparing the same
US20070141151A1 (en) * 2005-12-20 2007-06-21 Silver David I Lansoprazole orally disintegrating tablets
CN101396348A (en) * 2008-10-25 2009-04-01 浙江华义医药有限公司 Omeprazole enteric-coated micro-pill
CN102091084B (en) * 2010-12-09 2012-05-09 王勇 Compound capsule and preparation method thereof
CN102525990B (en) * 2010-12-23 2014-07-16 丽珠医药集团股份有限公司 Ilaprazole enteric-coated tablets and preparation method thereof
CN103127026B (en) * 2013-02-05 2017-02-15 悦康药业集团有限公司 Omeprazole enteric capsule and prepared method thereof
CN103340829B (en) * 2013-07-26 2015-04-08 珠海润都制药股份有限公司 Enteric coating pellet of proton pump inhibitor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101461809A (en) * 2007-12-18 2009-06-24 重庆药友制药有限责任公司 Pantoprazole sodium enteric tablet and preparation method thereof
CN102119927A (en) * 2010-01-11 2011-07-13 石药集团中奇制药技术(石家庄)有限公司 Enteric-coated pellet preparation of proton pump inhibitor and preparation method thereof

Also Published As

Publication number Publication date
CN104523641A (en) 2015-04-22
CN104490840A (en) 2015-04-08
CN104546786A (en) 2015-04-29
CN104490840B (en) 2018-09-28
CN104586772A (en) 2015-05-06

Similar Documents

Publication Publication Date Title
CN104523641B (en) Lansoprazole intestine preparation and preparation method thereof
CN108186593B (en) Nifedipine sustained release tablet and preparation method thereof
CN104337789B (en) Sodium rabeprazole enteric-coated preparation and preparation method thereof
BRPI0714915A2 (en) pharmaceutical compositions; pharmaceutical dosage forms; and process for the preparation of a pharmaceutical composition
CN102970982B (en) Enteric tablet
CN104188935B (en) A kind of Lansoprazole enteric-coated tablet and preparation method thereof
EP1957046A1 (en) Orally administrable extended release pellet and tablet formulations of a highly water soluble compound
JP5787881B2 (en) Enteric tablets
CN100423722C (en) Oral enteric micro-pills contg. pantoprazole or its salts and preparing process thereof
CN109195607A (en) The film coating tablet of the high chemical stability of active ingredient
CN110507628A (en) A kind of RABEPRAZOLE SODIUM plain piece, enteric coatel tablets and preparation method thereof
CN103705483B (en) A kind of stable, homogeneous, efficient Lansoprazole enteric-coated tablet and preparation method thereof
CN116036035A (en) Preparation method of titanium dioxide-free raw fumaric acid Fu Nuola tablet
CN105287425A (en) Stable rabeprazole sodium enteric-coated tablets and preparation method
CN105816436B (en) A kind of Pantoprazole enteric-coated micro-pill, Pantoprazole enteric slow-release tablet agent and preparation method thereof
CN103565767B (en) Ranolazine sustained release tablets label, coating tablet and preparation method thereof
CN108261409A (en) A kind of combination of oral medication of dabigatran etcxilate and preparation method thereof
CN104337788B (en) Esomeprazole sodium enteric coated preparations and preparation method thereof
CN105267181B (en) A kind of enteric-coated pellet capsule pharmaceutical composition containing esomeprazole magnesium
WO2004075881A1 (en) Stable pharmaceutical composition of rabeprazole and processes for their preparation
JP2017218432A (en) Duloxetine enteric pharmaceutical composition
JP2018030810A (en) Method for producing pharmaceutical tablet comprising gefitinib as active ingredient
CN104825414B (en) A kind of stable S-pantoprazole sodium enteric tablet
JP2006143598A (en) Medicine composition controlling change in color with time
CN106924256A (en) Pharmaceutical composition and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
ASS Succession or assignment of patent right

Owner name: CHENGDU DIKANG PHARMACEUTICAL CO., LTD.

Free format text: FORMER OWNER: DIKANG SCIENCE AND TECHNOLOGY PHARMACEUTICAL CO., LTD., SICHUAN PROV.

Effective date: 20150505

C10 Entry into substantive examination
C41 Transfer of patent application or patent right or utility model
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20150505

Address after: 611731 Sichuan city of Chengdu province high tech Zone (West) No. 1 Dixon Road

Applicant after: Chengdu Dikang Pharmaceutical Co., Ltd.

Address before: 1 No. 611731 Sichuan city of Chengdu province high tech Zone Dikang Avenue

Applicant before: Dikang Science and Technology Pharmaceutical Co., Ltd., Sichuan Prov.

CB02 Change of applicant information
CB02 Change of applicant information

Address after: 611731 Sichuan Chengdu high tech Zone (West District) di Kang Avenue No. 1

Applicant after: Chengdu Dikang pharmaceutical Limited by Share Ltd

Address before: 611731 Sichuan Chengdu high tech Zone (West District) 1

Applicant before: Chengdu Dikang Pharmaceutical Co., Ltd.

GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20150422

Assignee: YAAN XUNKANG MEDICINE Co.,Ltd.

Assignor: Chengdu Di Kang medicine companies LLC

Contract record no.: X2021510000036

Denomination of invention: Lansoprazole enteric coated preparation and its preparation method

Granted publication date: 20191119

License type: Common License

Record date: 20210915