CN1813754A - Diprophylline dropping pill and its preparing method - Google Patents

Diprophylline dropping pill and its preparing method Download PDF

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Publication number
CN1813754A
CN1813754A CN 200510061658 CN200510061658A CN1813754A CN 1813754 A CN1813754 A CN 1813754A CN 200510061658 CN200510061658 CN 200510061658 CN 200510061658 A CN200510061658 A CN 200510061658A CN 1813754 A CN1813754 A CN 1813754A
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CN
China
Prior art keywords
diprophylline
drop pill
pill
substrate
dropping pill
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Pending
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CN 200510061658
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Chinese (zh)
Inventor
陈茜
滕慧丽
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Individual
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Individual
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Priority to CN 200510061658 priority Critical patent/CN1813754A/en
Publication of CN1813754A publication Critical patent/CN1813754A/en
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  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

The present invention discloses a diprophylline dripping pill preparation with the function of relieving asthma and its preparation process. It is made up by using diprophylline and dripping pill matrix through a certain preparation process. Its bioavailability is high and its medicine stability is good.

Description

Diprophylline dropping pill and preparation method thereof
Technical field
The invention belongs to the pharmaceutical technology field, particularly a kind of by diprophylline (Diprophylline) and the formulated diprophylline dropping pill of drop pill substrate.
Background technology
Asthma is a kind of common respiratory tract disease, also is frequently-occurring disease.There is the asthma patient more than 100,000,000 in the whole world, and China's asthma prevalence is near 1%, and number of patients is more than 10,000,000, and wherein half was fallen ill before 12 years old.Asthma is serious harm people physical and mental healths, weakens work capacity, reduces a kind of disease of quality of life, and is difficult to obtain radical cure.Show as uncomfortable in chest, the irritable cough and difficult of unexpected generation based on the breathing system with wheezing sound of expiration.Duration of seizure is changeable, can continue several weeks when serious, or is the chronic process of outbreak repeatedly.A investigation report shows that the situation of asthmatic patient is unsatisfactory, and the asthmatic patient up to 27% is once influence sleep at least weekly, and therefore the adult patients in 2003 22% delays work, and has 49% child patient to delay study.There is 33% patient to accept emergency treatment in hospital last year, wherein 15% patient so hospitalization.This has all brought worry for their life study, and it is very urgent therefore to treat asthma.
Diprophylline is a suppressing panting calming medicine, calls to be diprophylline, dihydroxypropyltheo-pylline.Chemistry is called 1,3-dimethyl-7-(2, the 3-dihydroxypropyl)-3,7-dihydro-1H-purine-2,6-diketone.Diprophylline has direct relaxation effect to airway smooth muscle, thinks in the past by suppressing phosphodiesterase, makes due to the interior cAMP content raising of cell.In recent years experiment thinks that the bronchiectatic activity of theophylline partly is because the result that endogenous epinephrine and norepinephrine discharge.In addition, theophylline is the purinoceptor blocker, can resist the contraction to respiratory tract such as adenine.Theophylline can strengthen the diaphram contractility, especially shrinks when unable more significantly at diaphram, therefore helps to improve respiratory function.The diprophylline antiasthmatic effect than theophylline slightly a little less than, the heart excitation only is 1/20~1/10 of an aminophylline, and is less to heart and neural influence, be applicable to especially companion tachycardic asthmatic patient.Be used for alleviations such as bronchial asthma, asthmatic bronchitis, the obstructive emphysema symptom of panting clinically, also be used for the asthma that cardiac pulmonary edema causes.Especially be applicable to the asthmatic patient that can not tolerate theophylline.
The diprophylline oral formulations is mainly tablet in the market.Because the conventional tablet fabricating technology has, and makes that this class oral formulations disintegration time is long, onset is slow, and bioavailability is lower, thereby influences giving full play to of drug effect.Diprophylline dropping pill bioavailability height of the present invention, disintegrate is molten looses soon, the dissolution height, steady quality, release fast, produce effects is easy to carry and use fast.Preparation process of the present invention is simple, and workshop does not have dust, uses supplementary product kind few, and production process is short, and cost is low.
Summary of the invention
The object of the invention provides a kind of diprophylline dropping pill and preparation technology thereof with antiasthmatic effect.
The invention is characterized in by diprophylline and drop pill substrate formulated.
The weight ratio of each composition is:
Diprophylline: drop pill substrate=1: 1~1: 10
The present invention can be achieved through the following technical solutions:
Get diprophylline, pulverize, sieve.Diprophylline mixes by weight 1: 1~1: 10 with drop pill substrate, and heating and melting stirs, and splashes in dimethicone or other drop pill coolant, separates drop pill, absorbs coolant, drying, promptly.
Utilize the drop pill of method preparation of the present invention, its main feature is:
1. the quick stripping of medicine, the dissolution height, rapid-action, the bioavailability height, side effect is little.Diprophylline dropping pill is to adopt solid dispersion technology, with mixing after medicine and the fusion of drop pill substrate, solidifies by system of dripping and quenching, makes medicine be molecule, colloid or microcrystalline state and is scattered in the substrate.Because the gross area of medicine increases, medicine disengages with crystallite or unformed microgranule, so medicine dissolution and absorption quickening, and bioavailability improves.
2. medicine stability is good.Dropping pill formulation by medicine and substrate heating and melting after, splash in the immiscible liquid coolant and make, reduce with the air contact area, be difficult for oxidation, substrate is non-water thing, is difficult for causing drug hydrolysis, stability of drug is increased, thereby guaranteed drug quality.
3. drop pill production technology, production equipment are simple, with short production cycle, the production efficiency height, and cost is low.
4. in the main production process of drop pill, used material all is to carry out under liquid state, has reduced dust pollution, helps labor protection and environmental protection, helps the GMP management.
The diprophylline dropping pill crude drug is a diprophylline.Chemistry is called 1,3-dimethyl-7-(2, the 3-dihydroxypropyl)-3,7-dihydro-1H-purine-2,6-diketone.
Molecular formula: C 10H 14N 4O 4
Molecular weight: 254.25
The specific embodiment
Further the present invention can be described by the following examples, but not limited by embodiment.
Embodiment: per 1000 diprophylline dropping pill supplementary material proportionings
The embodiment sequence number Diprophylline Polyethylene glycol 6000 Macrogol 4000 Carboxymethyl starch sodium Poloxamer
1 5g 25g 2g 5g
2 5g 50g
3 10g 20g 5g
4 10g 25 5g
5 10g 25g 2g 2g
6 10g 20g 2g

Claims (3)

1. diprophylline dropping pill and preparation technology thereof is characterized in that by diprophylline (Diprophylline) and drop pill substrate formulated.The weight ratio of each composition is:
Diprophylline: drop pill substrate=1: 1~1: 10
2. diprophylline dropping pill according to claim 1, it is characterized in that described drop pill substrate is a kind of or several compatibilities in polyethylene glycols, carboxymethyl starch sodium, poloxamer, sodium carboxymethyl cellulose, stearic acid, sodium stearate, the polyoxyethylene monostearate, the content of each compatibility composition all is not equal to zero.
3. according to claim 1 described diprophylline dropping pill, it is characterized in that preparation method is as follows: get diprophylline, pulverize, sieve.Diprophylline mixes by weight 1: 1~1: 10 with drop pill substrate, and heating and melting stirs, and splashes in dimethicone or other drop pill coolant, separates drop pill, absorbs coolant, drying, promptly.
CN 200510061658 2005-11-22 2005-11-22 Diprophylline dropping pill and its preparing method Pending CN1813754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200510061658 CN1813754A (en) 2005-11-22 2005-11-22 Diprophylline dropping pill and its preparing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200510061658 CN1813754A (en) 2005-11-22 2005-11-22 Diprophylline dropping pill and its preparing method

Publications (1)

Publication Number Publication Date
CN1813754A true CN1813754A (en) 2006-08-09

Family

ID=36906186

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200510061658 Pending CN1813754A (en) 2005-11-22 2005-11-22 Diprophylline dropping pill and its preparing method

Country Status (1)

Country Link
CN (1) CN1813754A (en)

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Open date: 20060809