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Antibacterial applications of vitamin D and vitamin D composition

A vitamin and composition technology, which is applied in the fields of medicines for preventing or treating urinary tract infections, pharmaceutical compositions and pharmaceutical preparations for preventing or treating urinary tract infections, and can solve economic waste, increase in antibiotic dosage, economic waste of medical resources, etc. question

Inactive Publication Date: 2015-07-08
ZENSUN (SHANGHAI) SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The abuse of antibiotics will lead to the continuous increase of drug-resistant bacteria, and the resistance of bacteria to drugs will increase the amount of antibiotics or continue to seek stronger antibiotics, resulting in economic waste; and its blind bactericidal effect will also lead to the reduction of beneficial bacteria in the body , causing unnecessary harm to the human body
Antibiotics can quickly inhibit the proliferation of bacteria, but they cannot improve the body's own innate immunity. When the pathogen invades again, the innate immunity in the body is still not enough to kill the pathogen, and the infection is easy to recur
The previous article also mentioned the high recurrence rate of UTI. At this stage, antibiotic therapy alone cannot reduce the high recurrence rate of UTI, and it is easy to cause waste of medical resources and heavy economic losses.

Method used

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  • Antibacterial applications of vitamin D and vitamin D composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1: VD 3 Antibacterial experiments on stimulated cells

[0024] 1. Experimental purpose

[0025] In this study, the final activated form of vitamin D, 1,25-dihydroxyvitamin D 3 [1,25(OH) 2 D 3 ] is the test product, the human histiocytic lymphoma cell U-937 cell is used as the experimental system, and Escherichia coli E.coli O111B4 is used as the antibacterial object. 2 D 3 The treated cell supernatant was co-incubated with E. coli O111B4, and the colony forming units (CFU) of E. coli O111B4 were used to investigate 1,25(OH) 2 D 3 Whether it can stimulate the secretion of antibacterial peptides from human-derived cell lines in vitro to achieve antibacterial effects.

[0026] 2. Experimental materials

[0027] 2.1 Test article 1,25(OH) 2 D's information

[0028] Drug name

supplier

article number

lot number

Storage Conditions

Expiration date

1,25(OH) 2 D 3

Sigma

D1530

023M4010V

-20℃

2015-01-31 ...

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Abstract

Uses of a vitamin D compound in the preparation of drugs for preventing or treating cystitis, urethritis and / or urinary tract infection, as well as a pharmaceutical composition, a pharmaceutical preparation and a kit that comprise the vitamin D compound, the vitamin D compound comprising a vitamin D2, a vitamin D3, an active form of the vitamin D3 or a similar substance, and the active form of the vitamin D3 being 25-hydroxyvitamin D3 or 1,25-dihydroxyvitamin D3.

Description

technical field [0001] The present invention relates to the use of vitamin D compounds in the preparation of medicaments for preventing or treating urinary tract infections. More particularly, it relates to pharmaceutical compositions and pharmaceutical preparations for the prevention or treatment of urinary tract infections. Background technique [0002] Urinary tract infection (UTI) refers to the inflammation caused by pathogens growing and multiplying in the urinary tract and invading the mucosa or tissue of the urinary tract. Bacterial UTI is the most common. Urinary tract infection is a common clinical disease. According to the US outpatient medical survey and hospital outpatient medical survey, there are nearly 7 million outpatient cases and 1 million emergency cases every year, and 100,000 people are hospitalized, especially female patients. A large number of literatures report that the recurrence rate of urinary tract infection is high, about 25-30% of female patien...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K31/592A61K31/593A61P13/10A61P13/02A61P13/12A61P31/04
CPCA61K31/59A61K9/00A61K31/593A61K31/592A61K45/06A61P13/00A61K2300/00
Inventor 周明东
Owner ZENSUN (SHANGHAI) SCI & TECH CO LTD