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Beta-Lacetam anti-biotic compound dose for animal containing benemid

A technology of lactams and compound preparations, which is applied in the directions of non-active ingredients medical preparations, antibacterial drugs, pharmaceutical formulas, etc. Treatment of drug dosage and other issues, to achieve the effect of reducing drug resistance, saving treatment costs, and reducing dosage

Inactive Publication Date: 2008-06-18
HEBEI KEXING PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] β-lactam antibiotics are commonly used antibiotics, not only for humans, but also for the treatment of animal diseases. They play a bactericidal effect by inhibiting the biosynthesis of cell wall mucopeptides during the active reproduction stage of bacteria. Their characteristics It is easy to absorb when taken orally, has a wide antibacterial spectrum, obvious antibacterial effect, and definite curative effect, but the blood concentration of β-lactam antibiotics is maintained for a short time, and frequent administration is required during use, which will not only increase the amount of treatment and increase treatment costs. Moreover, when used as a veterinary drug, frequent administration will increase the workload of the operator, so a drug that can delay the excretion of β-lactam antibiotics is sought to prolong the action time of β-lactam antibiotics in animals and reduce The frequency of administration has become the direction of our research on the application of β-lactam antibiotics

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1 of the present invention provides a probenecid-containing veterinary β-lactam antibiotic compound preparation that can delay excretion and maintain high blood drug concentration in animals, which is composed of probenecid 1g, amoxicillin 5g, and β-ring 10g of dextrin and glucose are added to 100g, and they are made under the conditions of powder GMP workshop through conventional technology, and clinical trials are carried out:

[0022] Test animals: 150 1-day-old healthy chicks (provided by Shijiazhuang Hexin Breeding Poultry Co., Ltd.) were raised to 15 days old under normal conditions, and 120 healthy chicks were selected as the test objects.

[0023] 90 Hailan gray chickens artificially infected with pathogenic colibacillosis with standard chicken pathogenic E. coli (C96522) were used as test group, drug control group and positive control group, and the remaining 30 were used as blank control group for comparison test. The test group and medication situation...

Embodiment 2

[0041] Embodiment 2 of the present invention provides a probenecid-containing veterinary β-lactam antibiotic compound preparation capable of delaying excretion and maintaining high blood concentration in animals. It is composed of probenecid 5g, ampicillin sodium 10g, and β-ring 25g of dextrin and glucose are added to 100g, and they are prepared under the conditions of powder GMP workshop through conventional technology, and clinical trials are carried out:

[0042] Except for the medication, other experimental animals and experimental groupings are the same as in Example 1.

[0043] The medication situation is shown in Table 3:

[0044] table 3

[0045] Grouping

Number of chickens

(only)

Drugs

Dose

test group

30

The compound prepared in Example 2

Preparation

0.6g / L·water (calculated as ampicillin

60mg, probenecid 30mg),

2 times / day, continuous use for 5 days

Drug control group

30

Ampicill...

Embodiment 3

[0052] Embodiment 3 of the present invention provides a probenecid-containing veterinary β-lactam antibiotic compound preparation capable of delaying excretion and maintaining high blood concentration in animals, which is composed of probenecid 20g, cefradine 20g, and β-cyclodextrin 25g and glucose are added to 100g, and it is made under the conditions of powder GMP workshop through conventional technology, and clinical trials are carried out:

[0053] Except for the medication, other experimental animals and experimental groupings are the same as those in Example 1 and the medications are shown in Table 5.

[0054] table 5

[0055] Grouping

Number of chickens

(only)

Drugs

Dose

test group

30

The compound prepared in Example 3

Prescription

0.15g / L·water (calculated as cefradine

30mg, probenecid is 30mg),

2 times / day, continuous use for 5 days

Drug control group

30

Cefradine Soluble Powder

(20%...

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PUM

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Abstract

The invention relates to a Beta-lactam antibiotic compound preparation for animals, which contains probenecid. Calculated by weight percentage, the preparation is composed of 1 to 20 percent of probenecid , 5 to 20 percent of Beta-lactam antibiotic, 5 to 40 percent of cosolvent, and acceptable vector in pharmacy which is added until the preparation is 100 percent. The preparation can be orally administrated , and can be dissolved in water to be drunk by livestock and fowl. The invention has a broad antifungal spectrum, shows a strong antibacterial activity, is convenient to be used clinically, has good safety, and is applicable to treating light to moderate infection. The used practice shows that the preparation can reduce the dosage of the Beta-lactam antibiotic in clinical practice, can reduce the occurrence possibilities of drug resistance, and can also save the treatment cost with good using effect.

Description

Technical field [0001] The invention relates to a veterinary β-lactam antibiotic preparation, in particular to a veterinary β-lactam antibiotic compound preparation containing probenecid. Background technique [0002] Beta-lactam antibiotics are commonly used antibiotics, not only used in humans, but also in the treatment of animal diseases. They play a bactericidal effect by inhibiting the biosynthesis of cell wall mucopeptides during the active reproduction stage of bacteria. Its characteristics It is easy to be absorbed by oral administration, has a broad antibacterial spectrum, obvious antibacterial effect, and a definite curative effect. However, the blood concentration of β-lactam antibiotics is maintained for a short time and needs to be administered frequently during use. This will not only increase the amount of treatment and increase the cost of treatment. Moreover, when used as a veterinary drug, frequent administration will also increase a lot of work for the operator...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K31/43A61K47/26A61P31/04A61K31/195
Inventor 刘志峰陈淑芳
Owner HEBEI KEXING PHARMA
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