CN108836945A - A kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection - Google Patents

A kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection Download PDF

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Publication number
CN108836945A
CN108836945A CN201811060523.XA CN201811060523A CN108836945A CN 108836945 A CN108836945 A CN 108836945A CN 201811060523 A CN201811060523 A CN 201811060523A CN 108836945 A CN108836945 A CN 108836945A
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injection
succinate
potassium
dehydroandrograpolidsuccinate
freeze drying
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CN201811060523.XA
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Inventor
吴玉章
杨杰
钟海雄
林小雪
符永红
王静
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Hainan General Kang Li Pharmaceutical Co Ltd
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Hainan General Kang Li Pharmaceutical Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0019Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/365Lactones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/19Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles lyophilised, i.e. freeze-dried, solutions or dispersions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00Drugs for disorders of the respiratory system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals

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  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Veterinary Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Rheumatology (AREA)
  • Pain & Pain Management (AREA)
  • Dermatology (AREA)
  • Pulmonology (AREA)
  • Virology (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

A kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection of the present invention, belongs to pharmaceutical field, which mainly includes ingredient, make up a prescription, filter, storing, pre-freeze and drying and other steps, finally obtains the finished product of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection.The filtration step includes that medical fluid A is added to the active carbon of predetermined amount after mixing evenly, carries out decarburization coarse filtration using filter core, recycling filter membrane to carry out refined filtration at least drying steps described in two procedures includes carrying out heating treatment twice to partition respectively.The preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection provided by the present invention, Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection quality obtained are reliable and stable.

Description

A kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection
Technical field
The present invention relates to a kind of pharmaceutical methods, specifically a kind of preparation side of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection Method.
Background technique
Potassium DehydroandrograpolidSuccinate Succinate for Injection is a kind of immune system medication, causes that generates heat to have stronger antipyretic work bacterial endotoxin With, can promote fever recession, can be used for treating viral pneumonia, the diseases such as viral infection of upper respiratory tract.
It at present mainly include potasium dehydroandrographolisuccinate succinate injection and Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection in Chuanhuning preparation product.Wear amber Injection for curing is unstable, at room temperature validity period 30.5 days, because potassium dehydroandrographolide succinate is a diterpenes diterpenoids lactones compound, Er Qiefen There is a conjugated double bond in son, thus chemical activity is high, and hydrolysis and oxidation reaction easily occurs, and also to carry out high temperature in production and go out Bacterium, and promote decomposition reaction.The pure micro- Huang of potassium dehydroandrographolide succinate aqueous solution show slightly green, but on domestic market potassium dehydroandrographolide succinate liquid drugs injection color Damp deep, some even becomes yellow or brown color.And the stability of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection is preferable, when preparation Water content is maintained at 5% or less and in ampoule when nitrogen filled protection, can effectively improve the stability of potassium dehydroandrographolide succinate, validity period is up to two Year or more.But the Potassium DehydroandrograpolidSuccinate Succinate for Injection of current method preparation may still contain the impurity for causing toxic side effect, these impurity It mainly include macromolecule plant albumen, the product of potassium dehydroandrographolide succinate hydrolysis oxidation and pigment etc..
A kind of preparation method for the Potassium DehydroandrograpolidSuccinate Succinate for Injection that therefore, it is necessary to quality is reliable and stable, safety is good.
Summary of the invention
The main object of the present invention is to provide a kind of preparation side of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection that safety is good Method, Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection quality obtained are reliable and stable.
And the technical solution that it is solved the problems, such as,
A kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection, includes the following steps:
S1, ingredient:Weigh the potassium dehydroandrographolide succinate, sodium bicarbonate and water for injection of predetermined amount;
S2, it makes up a prescription:Potassium dehydroandrographolide succinate and sodium bicarbonate are added in the water for injection of predetermined amount, after stirring makes it completely dissolved, Remaining water for injection is added to full dose, obtains medical fluid A;
S3, filtering:The active carbon that predetermined amount is added in medical fluid A after mixing evenly, carries out decarburization coarse filtration, then benefit using filter core Medical liquid B is obtained after carrying out refined filtration with filter membrane, medical liquid B is sampled into inspection;
S4, storage:Qualified medical liquid B is examined to be delivered in the medicine liquid-storage tank of bottling department, it is filling into cillin bottle respectively For use;
S5, pre-freeze:The cillin bottle for being filled with medical liquid B is gone on the partition of freeze drier, the temperature for reducing partition will Medical liquid B is frozen into solid intermediate products in advance, when intermediate product temperature is down to -30 DEG C, keeps the temperature 2 hours;
S6, drying:After pre-freeze, 15Pa is evacuated to hereinafter, carrying out heating treatment twice to partition respectively, is infused Penetrate the finished product with potassium dehydroandrographolide succinate freeze drying powder injection.
Wherein, in the step S1, the ingredient that the Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection of 1000 80mg uses is made Predetermined amount includes:Potassium dehydroandrographolide succinate is 80g, and sodium bicarbonate 24g, water for injection full dose is 1200ml.
Wherein, in the step S2, the water for injection for the predetermined amount that stirring and dissolving uses is the 40-50% of full dose.
Wherein, in the step S3, the active carbon of predetermined amount is the 0.04-0.08% of medical fluid A total volume, and mixing time is 25-35min。
Wherein, in the step S3, the filter opening for the filter core that coarse filtration uses is 0.45um, and the filter sizes that refined filtration uses are 0.22um。
Wherein, in the step S4, filling liquid volume is 1.2ml in each cillin bottle.
Wherein, in the step S6, heating treatment twice includes:
First time heating treatment:Baffle temperature rises to 2 DEG C, keeps the temperature 2 hours after the ice crystal of intermediate products disappears and obtains powder Shape product;
Second of heating treatment:Baffle temperature rises to 35 DEG C, constant temperature 3 hours when powder product temperature reaches 20 DEG C.
Further, when first time heating treatment, partition be warming up to 2 DEG C used in the time be 3 hours;Second of heating treatment When, partition be warming up to 35 DEG C used in the time be 2 hours.
The beneficial effects of the invention are as follows:
Using Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection obtained by the present invention, quality stability is good, in the ring of air drying It can at least be saved in border 2 years or more, securely and reliably, substantially increase efficacy and saferry when clinical application, it can be effective Ground enhances curative effect for treating the diseases such as viral pneumonia, viral infection of upper respiratory tract.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention.It illustrates in the following description Many details to facilitate a thorough understanding of the present invention, still the present invention can also using other than the one described here its Its mode is implemented, and those skilled in the art can do similar popularization, therefore this hair without violating the connotation of the present invention It is bright to be not limited by the specific embodiments disclosed below.
In the examples below that, used raw material is commercial product.
A kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection of the present invention, mainly includes the following steps that:
S1, ingredient:The potassium dehydroandrographolide succinate, sodium bicarbonate and water for injection of predetermined amount, matching in the formula are weighed according to formula Material usage amount can be used for making the Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection of 1000 80mg.Wherein the dosage of various composition is: Potassium dehydroandrographolide succinate is 80g, and sodium bicarbonate 24g, water for injection full dose is 1200ml.
S2, it makes up a prescription:Firstly, injecting the water for injection of full dose 40-50% in Agitation Tank, worn ready in step S1 Amber peace sodium bicarbonate is separately added into Agitation Tank, is sufficiently stirred and is made it completely dissolved, and then adds remaining water for injection extremely Full dose obtains medical fluid A at this time.
S3, filtering:Including at least coarse filtration and refined filtration two procedures.
S31 coarse filtration:The obtained medical fluid A of step S3 is added to the active carbon of predetermined amount, the addition of used active carbon The 0.04-0.08% (w/v) of the total volume for the medical fluid A configured is measured, medical fluid A is sufficiently stirred after active carbon is added, is stirred Time is 25-35min, and filter opening aperture is used to be filtered decarburization for the filter core of 0.45um later, completes coarse filtration.
S32 refined filtration:After the completion of coarse filtration, the filter membrane further progress refined filtration for being 0.22um using aperture obtains medical liquid B.
Medical liquid B is sampled into inspection, can be repeated several times according to the inspection result of sample and carry out above-mentioned coarse filtration and refined filtration operation.
S4, storage:Qualified medical liquid B is examined to be delivered in the medicine liquid-storage tank of bottling department, it is filling into cillin bottle respectively For use, liquid volume filling in each cillin bottle is 1.2ml.
S5, pre-freeze:On the partition that cillin bottle after step S4 packing transfers to freeze drier, the temperature of partition is reduced To -35 DEG C, medical liquid B is frozen into solid intermediate products in advance, when intermediate product temperature is down to -30 DEG C, keeps the temperature 2 hours.
S6, drying:After pre-freeze, the treatment region for storing intermediate products is vacuumized, vacuum degree is in 15Pa hereinafter, successively Heating treatment is carried out to partition in two times, wherein heating treatment twice includes:
S61 first time heating treatment:Baffle temperature was at the uniform velocity risen to 2 DEG C within 3 hours periods, the ice to intermediate products After crystalline substance disappears, 2 hours persistently are kept the temperature, obtains powder product;
Second of heating treatment of S62:Baffle temperature is at the uniform velocity risen to 35 DEG C using 2 hours, when powder product temperature reaches At 20 DEG C, kept for constant temperature 3 hours.
After second of heating treatment, the finished product of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection is obtained.
Embodiment 1
A kind of preparation method of the Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection of 80mg, mainly includes the following steps that:
S1, ingredient:According to formula the potassium dehydroandrographolide succinate, sodium bicarbonate and water for injection of predetermined amount are weighed, wherein various composition Dosage is:Potassium dehydroandrographolide succinate is 80g, and sodium bicarbonate 24g, water for injection full dose is 1200ml.Ingredient usage amount in the formula It can be used for making 1000 Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injections.
S2, it makes up a prescription:Firstly, injecting the water for injection of full dose 40% in Agitation Tank, amber is worn by ready in step S1 Peace sodium bicarbonate is separately added into Agitation Tank, is sufficiently stirred and is made it completely dissolved, and then adds remaining water for injection to complete Amount, obtains medical fluid A at this time.
S3, filtering:Including at least coarse filtration and refined filtration two procedures.
S31 coarse filtration:The obtained medical fluid A of step S3 is added to the active carbon of predetermined amount, the addition of used active carbon 0.04% (w/v) of the total volume for the medical fluid A configured is measured, medical fluid A is sufficiently stirred after active carbon is added, mixing time is 30min uses filter opening aperture to be filtered decarburization for the filter core of 0.45um later, completes coarse filtration.
S32 refined filtration:After the completion of coarse filtration, the filter membrane further progress refined filtration for being 0.22um using aperture obtains medical liquid B.
Medical liquid B is sampled into inspection, can be repeated several times according to the inspection result of sample and carry out above-mentioned coarse filtration and refined filtration operation.
S4, storage:Qualified medical liquid B is examined to be delivered in the medicine liquid-storage tank of bottling department, it is filling into cillin bottle respectively For use, liquid volume filling in each cillin bottle is 1.2ml.
S5, pre-freeze:On the partition that cillin bottle after step S4 packing transfers to freeze drier, the temperature of partition is reduced To -35 DEG C, medical liquid B is frozen into solid intermediate products in advance, when intermediate product temperature is down to -30 DEG C, keeps the temperature 2 hours.
S6, drying:After pre-freeze, the treatment region for storing intermediate products is vacuumized, vacuum degree is in 15Pa hereinafter, successively Heating treatment is carried out to partition in two times, wherein heating treatment twice includes:
S61 first time heating treatment:Baffle temperature was at the uniform velocity risen to 2 DEG C within 3 hours periods, the ice to intermediate products After crystalline substance disappears, 2 hours persistently are kept the temperature, obtains powder product;
Second of heating treatment of S62:Baffle temperature is at the uniform velocity risen to 35 DEG C using 2 hours, when powder product temperature reaches At 20 DEG C, kept for constant temperature 3 hours.
After second of heating treatment, the finished product of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection is obtained.
The detection of indices is carried out to the finished product for using above-mentioned preparation method to obtain, testing result is shown in Table 1.
Embodiment 2
The present embodiment the difference from embodiment 1 is that:
S2, it makes up a prescription:Firstly, injecting the water for injection of full dose 50% in Agitation Tank, amber is worn by ready in step S1 Peace sodium bicarbonate is separately added into Agitation Tank, is sufficiently stirred and is made it completely dissolved, and then adds remaining water for injection to complete Amount, obtains medical fluid A at this time.
S31 coarse filtration:The obtained medical fluid A of step S3 is added to the active carbon of predetermined amount, the addition of used active carbon 0.05% (w/v) of the total volume for the medical fluid A configured is measured, medical fluid A is sufficiently stirred after active carbon is added, mixing time is 30min uses filter opening aperture to be filtered decarburization for the filter core of 0.45um later, completes coarse filtration.
Embodiment 3
The present embodiment the difference from embodiment 1 is that:
S2, it makes up a prescription:Firstly, injecting the water for injection of full dose 45% in Agitation Tank, amber is worn by ready in step S1 Peace sodium bicarbonate is separately added into Agitation Tank, is sufficiently stirred and is made it completely dissolved, and then adds remaining water for injection to complete Amount, obtains medical fluid A at this time.
S31 coarse filtration:The obtained medical fluid A of step S3 is added to the active carbon of predetermined amount, the addition of used active carbon 0.08% (w/v) of the total volume for the medical fluid A configured is measured, medical fluid A is sufficiently stirred after active carbon is added, mixing time is 35min uses filter opening aperture to be filtered decarburization for the filter core of 0.45um later, completes coarse filtration.
Embodiment 4
The present embodiment the difference from embodiment 1 is that:
S2, it makes up a prescription:Firstly, injecting the water for injection of full dose 43% in Agitation Tank, amber is worn by ready in step S1 Peace sodium bicarbonate is separately added into Agitation Tank, is sufficiently stirred and is made it completely dissolved, and then adds remaining water for injection to complete Amount, obtains medical fluid A at this time.
S31 coarse filtration:The obtained medical fluid A of step S3 is added to the active carbon of predetermined amount, the addition of used active carbon 0.05% (w/v) of the total volume for the medical fluid A configured is measured, medical fluid A is sufficiently stirred after active carbon is added, mixing time is 30min uses filter opening aperture to be filtered decarburization for the filter core of 0.45um later, completes coarse filtration.
Potassium dehydroandrographolide succinate freeze drying powder injection prepared by 1~embodiment of Example 4 carries out performance detection, result such as table one.
Table 1
Appearance PH value Stability
Embodiment 1 White freeze-drying block 6.8 It is stored at room temperature validity period 2 years or more
Embodiment 2 White freeze-drying block 7.2 It is stored at room temperature validity period 2 years or more
Embodiment 3 Yellowish freeze-drying block 7.0 It is stored at room temperature validity period 2 years or more
Embodiment 4 White freeze-drying block 7.5 It is stored at room temperature validity period 2 years or more
Content described above is only present pre-ferred embodiments, it is clear that described embodiment is only of the invention one Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.

Claims (8)

1. a kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection, which is characterized in that include the following steps:
S1, ingredient:Weigh the potassium dehydroandrographolide succinate, sodium bicarbonate and water for injection of predetermined amount;
S2, it makes up a prescription:Potassium dehydroandrographolide succinate and sodium bicarbonate are added in the water for injection of predetermined amount, after stirring makes it completely dissolved, added Remaining water for injection obtains medical fluid A to full dose;
S3, filtering:The active carbon that predetermined amount is added in medical fluid A after mixing evenly, carries out decarburization coarse filtration using filter core, recycles filter Film obtains medical liquid B after carrying out refined filtration, and medical liquid B is sampled inspection;
S4, storage:Qualified medical liquid B is examined to be delivered in the medicine liquid-storage tank of bottling department, it is filling stand-by into cillin bottle respectively;
S5, pre-freeze:The cillin bottle for being filled with medical liquid B is gone on the partition of freeze drier, reduces the temperature of partition for medical liquid B It is frozen into solid intermediate products in advance, when intermediate product temperature is down to -30 DEG C, keeps the temperature 2 hours;
S6, drying:After pre-freeze, 15Pa is evacuated to hereinafter, carrying out heating treatment twice to partition respectively, obtains injection The finished product of potassium dehydroandrographolide succinate freeze drying powder injection.
2. a kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection according to claim 1, which is characterized in that described In step S1, the predetermined amount for making the ingredient that the Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection of 1000 80mg uses includes:Potassium dehydroandrographolide succinate For 80g, sodium bicarbonate 24g, water for injection full dose is 1200ml.
3. a kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection according to claim 1, which is characterized in that described In step S2, the water for injection for the predetermined amount that stirring and dissolving uses is the 40-50% of full dose.
4. a kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection according to claim 1, which is characterized in that described In step S3, the active carbon of predetermined amount is the 0.04-0.08%, mixing time 25-35min of medical fluid A total volume.
5. a kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection according to claim 1, which is characterized in that described In step S3, the filter opening for the filter core that coarse filtration uses is 0.45um, and the filter sizes that refined filtration uses are 0.22um.
6. a kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection according to claim 1, which is characterized in that described In step S4, filling liquid volume is 1.2ml in each cillin bottle.
7. a kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection according to claim 1, which is characterized in that described In step S6, heating treatment twice includes:
First time heating treatment:Baffle temperature rises to 2 DEG C, keeps the temperature 2 hours after the ice crystal of intermediate products disappears and obtains powdery production Product;
Second of heating treatment:Baffle temperature rises to 35 DEG C, constant temperature 3 hours when powder product temperature reaches 20 DEG C.
8. a kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection according to claim 7, which is characterized in that first When secondary heating treatment, partition be warming up to 2 DEG C used in the time be 3 hours;When second of heating treatment, partition is warming up to used in 35 DEG C Time is 2 hours.
CN201811060523.XA 2018-09-12 2018-09-12 A kind of preparation method of Potassium DehydroandrograpolidSuccinate Succinate for Injection freeze drying powder injection Pending CN108836945A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111084760A (en) * 2020-02-18 2020-05-01 湖南科伦制药有限公司 Preparation process of potassium dehydroandrographolide succinate for injection

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101780051A (en) * 2008-05-08 2010-07-21 海南斯达制药有限公司 Preparation methods of potassium sodium dehydroandroan drographolide succinate and freeze-dried powder injection thereof
CN102614136A (en) * 2012-04-18 2012-08-01 宁辉 Potassium sodium dehydroandrographolide succinate composition for injection, and freeze-dried powder injection and preparation method for freeze-dried powder injection
CN102657673A (en) * 2012-05-29 2012-09-12 海南卫康制药(潜山)有限公司 Kalii dehydrographolidi succinas freeze-dried powder compound for injection and preparation method thereof
CN103040767A (en) * 2013-01-11 2013-04-17 成都天台山制药有限公司 Stable kalii dehydrographolidi succinas freeze-dried powder injection for injection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101780051A (en) * 2008-05-08 2010-07-21 海南斯达制药有限公司 Preparation methods of potassium sodium dehydroandroan drographolide succinate and freeze-dried powder injection thereof
CN102614136A (en) * 2012-04-18 2012-08-01 宁辉 Potassium sodium dehydroandrographolide succinate composition for injection, and freeze-dried powder injection and preparation method for freeze-dried powder injection
CN102657673A (en) * 2012-05-29 2012-09-12 海南卫康制药(潜山)有限公司 Kalii dehydrographolidi succinas freeze-dried powder compound for injection and preparation method thereof
CN103040767A (en) * 2013-01-11 2013-04-17 成都天台山制药有限公司 Stable kalii dehydrographolidi succinas freeze-dried powder injection for injection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111084760A (en) * 2020-02-18 2020-05-01 湖南科伦制药有限公司 Preparation process of potassium dehydroandrographolide succinate for injection
CN111084760B (en) * 2020-02-18 2021-09-21 湖南科伦制药有限公司 Preparation process of potassium dehydroandrographolide succinate for injection

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