CN102552121B - Milrinone injection - Google Patents

Milrinone injection Download PDF

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Publication number
CN102552121B
CN102552121B CN201010617283.6A CN201010617283A CN102552121B CN 102552121 B CN102552121 B CN 102552121B CN 201010617283 A CN201010617283 A CN 201010617283A CN 102552121 B CN102552121 B CN 102552121B
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CN
China
Prior art keywords
milrinone
injection
sodium chloride
lactic acid
liters
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.)
Expired - Fee Related
Application number
CN201010617283.6A
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Chinese (zh)
Other versions
CN102552121A (en
Inventor
兰静
丁继军
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.)
New Founder Holdings Development Co ltd
Peking University Medical Management Co ltd
Peking University Founder Group Co Ltd
PKU Healthcare Industry Group
PKUCare Pharmaceutical R&D Center
Original Assignee
Peking University Founder Group Co Ltd
PKU International Healthcare Group Co Ltd
PKUCare Pharmaceutical R&D Center
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 Peking University Founder Group Co Ltd, PKU International Healthcare Group Co Ltd, PKUCare Pharmaceutical R&D Center filed Critical Peking University Founder Group Co Ltd
Priority to CN201010617283.6A priority Critical patent/CN102552121B/en
Publication of CN102552121A publication Critical patent/CN102552121A/en
Application granted granted Critical
Publication of CN102552121B publication Critical patent/CN102552121B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides milrinone injection and a preparation method of the milrinone injection, and belongs to the technical field of chemical medicine preparations. The milrinone injection provided by the invention has the advantages that the stability is good, the milrinone relevant substance content is low, and the clinic use effect is good.

Description

A kind of Milrinone injection
Technical field
The present invention relates to a kind of Milrinone injection and preparation method thereof, belong to technical field of medicine.
Background technology
Milrinone (Milrinone) is a kind of cardiac tonic, is phosphodiesterase inhibitor, is the succedaneum of amrinone, but its to act on comparatively amrinone strong 10 ~ 30 times, toleration is better.Milrinone is oral and quiet note is all effective, but time oral, untoward reaction is heavier.Milrinone has positive inotropic action and vasorelaxation action concurrently.This product positive inotropic action mainly by suppressing phosphodiesterase, makes cyclic adenosine monophosphate in myocardial cell (CAMP) concentration increase, and intracellular Ca2+ increases, and myocardial contraction is strengthened, and cardiac output increases.Its vasorelaxation action may be directly act on small artery or caused by, thus the forward and backward load of heart can be reduced, reduce left ventricular filling pressure, improve left chamber function, increase cardiac index, but mean arterial pressure and heart rate are had no significant effect.The cardiovascular effect of milrinone is relevant with dosage, and time low dose of, main manifestations is positive inotropic action, and when dosage strengthens, when reaching the maximum positive inotropic effect of stable state gradually, its blood vessel dilating effect also can be strengthened with the increase of dosage gradually.Milrinone is safer to the patient with conduction block.
Chinese patent 200410030826.9 discloses a kind of milrinone infusion solutions, discloses the preparation prescription of milrinone 20mg, sodium chloride 872mg, lactic acid 28mg in embodiment.This prescription belongs to great transfusion preparation, there is following shortcoming in actual applications: infusion solutions solvent is but sodium chloride solution, every 100ml contains 872mg sodium chloride, the untoward reaction brought due to the sodium salt " additionally added " in infusion solutions just brings the risk of extra safety aspect to patient, the particularly patient of cardiac insufficiency, heart failure, the regulation of " restriction sodium salt is taken in " is had in its Therapeutic Principle, because, the patient of heart failure generally has the clinical manifestation of water-sodium retention, and edema increases the weight of along with increasing the weight of of heart failure.Sodium in vivo retention is more, and edema is then more obvious.Infusion solutions also has transport inconvenience in addition, increases the light levels of medicine thus affect the shortcomings such as stability of drug products.So milrinone infusion solutions disclosed in Chinese patent 200410030826.9 can not adapt to and meet the needs of clinical application.
Summary of the invention
The invention provides a kind of new Milrinone injection and preparation method thereof.Milrinone injection of the present invention is little liquid drugs injection (also claiming small size injection), good stability, milrinone related substance (impurity) content is low, Clinical practice is effective, do not increase the sodium salt of patient takes in, and can configure posterior vein instil when Clinical practice according to the concrete condition of patient and glucose injection or sodium chloride injection.
Milrinone injection of the present invention is mainly made up of milrinone, sodium chloride, lactic acid and water for injection.The effect of lactic acid is used as injection pH value regulator, regulates pH scope between 2.8 ~ 4.0.The effect of sodium chloride is as osmotic pressure regulator, for regulating the osmotic pressure of injection consistent with human body osmotic pressure, prevents hypotonic or hyperosmotic solution to the damage of human body.
Milrinone concentration range is in the solution 0.8-1.2mg/ml, further preferred 1mg/ml.
Sodium chloride concentration range is in the solution 0.85 ~ 0.92mg/ml.
Lactic acid concentration range is in the solution 0.96 ~ 1.29mg/ml.
Milrinone injection provided by the present invention has following advantage:
(1) good stability, decreases the light levels of medicine, thus increases stability;
(2) compared with Chinese patent 200410030826.9, Corotrope of the present invention adopts the concentration range of milrinone 1mg/ml, and its related substances is lower, and quality is higher, and stability is better;
(3) untoward reaction that the sodium salt owing to " additionally adding " in infusion solutions brings just brings extra safety aspect risk to patient is avoided, special in needing the cardiac insufficiency of milrinone in treatment, the patient of heart failure, meet the regulation of " restriction sodium salt is taken in " in its Therapeutic Principle, avoid the possibility because medicine causes patient's edema degree to increase;
(4) convenient transportation;
(5) Clinical practice therapeutic effect is good.
Injection of the present invention and Chinese patent 200410030826.9 comparative study:
EXPERIMENTAL DESIGN: after injection of the present invention and Chinese patent 200410030826.9 supplementary material prepare by recipe quantity, each sample is placed 10 days respectively under high temperature 60 degree with 4500LX illumination condition, measured its related substances of each sample respectively at 0,5,10 day.
Assay method:
Determination of related substances: measure according to high performance liquid chromatography (Chinese Pharmacopoeia version in 2010 two annex VD methods).
Chromatographic condition: octyl silane group silica gel is filler; With phosphoric acid hydrogen dimethylamino solution (get dipotassium hydrogen phosphate 2.7g, the 800ml that adds water adds triethylamine 2.4ml, with phosphorus acid for adjusting pH to 7.5 after dissolving) ,-acetonitrile (80: 20) is mobile phase, and determined wavelength is 220nm.
Related substance: milrinone related substance A [1,6-dihydro-2-methyl-6-oxo-(3,4 '-two pyridine)-5-amide] two prescription determination of related substances results contrast:
Table 1: injection embodiment 1 of the present invention contrasts with Chinese patent 200410030826.9 claim 2 (every 100ml injection is containing milrinone 20mg, sodium chloride 872mg, lactic acid 28mg)
Above-mentioned test shows, adopt Corotrope prescription its related substances of the present invention significantly to reduce, product quality significantly improves.
Detailed description of the invention
Embodiment 1:
Milrinone 10 grams
Lactic acid 11.2 grams
8.8 grams, sodium chloride
Water for injection adds to cumulative volume 10 liters
Take milrinone, add water for injection 6 liters, stir, regulate solution ph to 3.0 with lactic acid, continue to be stirred to entirely molten, add sodium chloride, be stirred to entirely molten, inject water to cumulative volume 10 liters, mixing, filtering with microporous membrane, fill 2000 bottles, sterilizing.
Embodiment 2:
Milrinone 10 grams
Lactic acid 9.6 grams
8.5 grams, sodium chloride
Water for injection adds to cumulative volume 10 liters
Take milrinone, add water for injection 6 liters, stir, regulate solution ph to 3.5 with lactic acid, continue to be stirred to entirely molten, add sodium chloride, be stirred to entirely molten, inject water to cumulative volume 10 liters, mixing, filtering with microporous membrane, fill 2000 bottles, sterilizing.
Embodiment 3:
Milrinone 10 grams
Lactic acid 12.9 grams
9.2 grams, sodium chloride
Water for injection adds to cumulative volume 10 liters
Take milrinone, add water for injection 6 liters, stir, regulate solution ph to 2.8 with lactic acid, continue to be stirred to entirely molten, add sodium chloride, be stirred to entirely molten, inject water to cumulative volume 10 liters, mixing, filtering with microporous membrane, fill 2000 bottles, sterilizing.
Embodiment 4:
Milrinone 10 grams
Lactic acid 9.6 grams
9.2 grams, sodium chloride
Water for injection adds to cumulative volume 10 liters
Take milrinone, add water for injection 6 liters, stir, regulate solution ph to 4.0 with lactic acid, continue to be stirred to entirely molten, add sodium chloride, be stirred to entirely molten, inject water to cumulative volume 10 liters, mixing, filtering with microporous membrane, fill 2000 bottles, sterilizing.

Claims (1)

1. a Milrinone injection, it is composed of the following components: milrinone, lactic acid, sodium chloride, water for injection, it is characterized in that, described injection is small size injection, the concentration of described milrinone in injection is 1mg/ml, the concentration range of described sodium chloride in injection is 0.85 ~ 0.92mg/ml, and the concentration range of described lactic acid in injection is 0.96 ~ 1.29mg/ml, and the pH value range of described injection is 2.8 ~ 4.0.
CN201010617283.6A 2010-12-22 2010-12-22 Milrinone injection Expired - Fee Related CN102552121B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010617283.6A CN102552121B (en) 2010-12-22 2010-12-22 Milrinone injection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010617283.6A CN102552121B (en) 2010-12-22 2010-12-22 Milrinone injection

Publications (2)

Publication Number Publication Date
CN102552121A CN102552121A (en) 2012-07-11
CN102552121B true CN102552121B (en) 2015-04-15

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104173343B (en) * 2014-08-15 2015-06-17 朗天药业(湖北)有限公司 Milrinone compound and pharmaceutical composition containing milrinone compound
CN108158988B (en) * 2018-02-27 2021-03-23 河北化工医药职业技术学院 Preparation method of milrinone injection

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100337629C (en) * 2004-04-07 2007-09-19 鲁南制药集团股份有限公司 Milrinone sodium chloride injection and production thereof

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CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100871, Beijing, Haidian District Cheng Fu Road 298, founder building, 5 floor

Patentee after: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd.

Patentee after: PKUCARE PHARMACEUTICAL R&D CENTER

Patentee after: PKU HEALTHCARE INDUSTRY Group

Address before: 100871, Beijing, Haidian District Cheng Fu Road 298, founder building, 5 floor

Patentee before: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd.

Patentee before: PKUCARE PHARMACEUTICAL R&D CENTER

Patentee before: Pku Healthcare Industry Group Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20221012

Address after: 3007, Hengqin international financial center building, No. 58, Huajin street, Hengqin new area, Zhuhai, Guangdong 519031

Patentee after: New founder holdings development Co.,Ltd.

Patentee after: PKUCARE PHARMACEUTICAL R&D CENTER

Patentee after: Peking University Medical Management Co.,Ltd.

Address before: 100871, Beijing, Haidian District Cheng Fu Road 298, founder building, 5 floor

Patentee before: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd.

Patentee before: PKUCARE PHARMACEUTICAL R&D CENTER

Patentee before: PKU HEALTHCARE INDUSTRY Group

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150415