WO2000037070A1 - Substance prophylactique pour les maladies infectieuses respiratoires - Google Patents
Substance prophylactique pour les maladies infectieuses respiratoires Download PDFInfo
- Publication number
- WO2000037070A1 WO2000037070A1 PCT/JP1998/005810 JP9805810W WO0037070A1 WO 2000037070 A1 WO2000037070 A1 WO 2000037070A1 JP 9805810 W JP9805810 W JP 9805810W WO 0037070 A1 WO0037070 A1 WO 0037070A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- respiratory
- preventive
- infection
- carbocysteine
- infectious diseases
- Prior art date
Links
- 230000003449 preventive effect Effects 0.000 title claims abstract description 8
- 208000035473 Communicable disease Diseases 0.000 title abstract 3
- 230000000241 respiratory effect Effects 0.000 title abstract 2
- 206010057190 Respiratory tract infections Diseases 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 4
- 239000004480 active ingredient Substances 0.000 claims abstract description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 1
- GBFLZEXEOZUWRN-VKHMYHEASA-N S-carboxymethyl-L-cysteine Chemical compound OC(=O)[C@@H](N)CSCC(O)=O GBFLZEXEOZUWRN-VKHMYHEASA-N 0.000 abstract description 19
- 229960004399 carbocisteine Drugs 0.000 abstract description 19
- 241000894006 Bacteria Species 0.000 abstract description 13
- 239000003814 drug Substances 0.000 abstract description 7
- 229940079593 drug Drugs 0.000 abstract description 6
- 210000002345 respiratory system Anatomy 0.000 abstract description 6
- 230000002401 inhibitory effect Effects 0.000 abstract description 5
- 239000004599 antimicrobial Substances 0.000 abstract description 3
- 208000035143 Bacterial infection Diseases 0.000 abstract description 2
- 208000017667 Chronic Disease Diseases 0.000 abstract description 2
- 230000009798 acute exacerbation Effects 0.000 abstract description 2
- 208000022362 bacterial infectious disease Diseases 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000001524 infective effect Effects 0.000 abstract 1
- 210000002919 epithelial cell Anatomy 0.000 description 16
- 241000588621 Moraxella Species 0.000 description 14
- 208000015181 infectious disease Diseases 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000003172 expectorant agent Substances 0.000 description 4
- 230000003419 expectorant effect Effects 0.000 description 4
- 208000020029 respiratory tract infectious disease Diseases 0.000 description 4
- 206010036790 Productive cough Diseases 0.000 description 3
- 230000010065 bacterial adhesion Effects 0.000 description 3
- 208000024794 sputum Diseases 0.000 description 3
- 210000003802 sputum Anatomy 0.000 description 3
- 206010024971 Lower respiratory tract infections Diseases 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 239000006285 cell suspension Substances 0.000 description 2
- 230000001684 chronic effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000386 microscopy Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000000069 prophylactic effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 210000001533 respiratory mucosa Anatomy 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 208000006545 Chronic Obstructive Pulmonary Disease Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 208000019693 Lung disease Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940124599 anti-inflammatory drug Drugs 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 210000004081 cilia Anatomy 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 150000001944 cysteine derivatives Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 229940066493 expectorants Drugs 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/197—Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
- A61K31/198—Alpha-amino acids, e.g. alanine or edetic acid [EDTA]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/12—Mucolytics
Definitions
- the present invention relates to a respiratory infection preventive agent that inhibits adhesion of respiratory infection bacteria.
- Moraxella (Branhamela) and Moraxella (Branhamela) catarrhalis known as one of the five major causative bacteria of respiratory tract infections, have their ability to adhere to the pharyngeal epithelium (upper respiratory mucosa). It has been reported that there is a strong correlation with the establishment of lower respiratory tract infection (Mbaki N., et al), Tohoku J. Exp. Med., 153, 111-121, 1987. .
- Respiratory tract infections are causing new problems today, such as an increase in resistant bacteria due to the general use of antimicrobial agents in the treatment.
- Patients with chronic respiratory infections and compromised immunity are constantly at risk of infection.
- the establishment of effective infection prevention methods for such patient groups is also an issue to be resolved. Therefore, breathing It is strongly desired that the causative bacteria of organ infection be prevented before the human body is transmitted. Disclosure of the invention
- the inventor of the present invention focused on the fact that respiratory tract infections caused the bacteria that cause the disease to adhere to the respiratory tract as the first step, and to suppress the adhesion of those causative bacteria to the respiratory tract. I thought it would prevent the occurrence of respiratory infections.
- Carbocystin which was already widely known as an expectorant, was examined and examined for its effect on inhibiting the adhesion of bacteria to the respiratory tract.
- the present invention relates to a respiratory infection preventive agent containing carbocysteine represented by NH 2 as an active ingredient.
- Carbocysteine is an expectorant of a cysteine derivative represented by the chemical formula (1). It was developed by the French company Laboratories Joulie and launched in 1965 under the brand name Rhinathiol J. In the UK, Berk Pharmaceuticals launched in 1972 as “Mucodyne” and has now been sold in 14 countries around the world.
- Carbocysteine as a prophylactic agent for respiratory tract infections can be administered to humans in the form and route of administration well known in the art, such as powders, tablets, capsules, and fine granules. It can be used orally in the form of granules, syrups and the like.
- the dosage of carbocysteine as a preventive for respiratory infections varies depending on age, weight, symptoms, etc. For oral administration, 250 to 2000 mg at a time, more preferably 250 to 2000 mg / day:! It is desirable to use it twice.
- FIG. 1 is a graph showing test results of Example 1
- FIG. 2 is a graph showing test results of Example 2.
- Moraxella (Branhamela) catarrhalis) suspension and pharyngeal epithelial cell suspension are mixed to dissolve the carbocysteine powder to a final concentration of 1 to 100 // 8 1111 Was added.
- Moraxella (Branhamela) catarrhalis which was not attached to the head epithelial cells, was removed.
- the remaining pharyngeal epithelial cells were fixed on slide glass by cytospin, gram stained, and the number of pharyngeal epithelial cells to which Moraxella (Branhamela) catarrhalis was adhered by light microscopy. Was counted. The control without carbocysteine was used as the control.
- Pharyngeal epithelial cells were collected before carbocysteine administration, 2 hours, 3 days, 7 days after administration, and 7 days after administration, in the same manner as in [Example 1] (1).
- Each pharyngeal epithelial cell suspension is mixed with Moraxella (Branhamela) catarrhalis suspension, left for a certain period of time, and centrifuged to attach the pharyngeal epithelial cells. Removed undressed Moraxella (Branhamela) catarrhalis.
- the remaining pharyngeal epithelial cells were fixed on slide glass by cytospin, gram stained, and the number of pharyngeal epithelial cells to which Moraxella (Branhamela) catarrhalis was adhered was determined by light microscopy. Counted. The control before carbocysteine administration was used as the control.
- the number of cells to which Moraxella (Branhamela) catarrhalis was attached was calculated as the attachment rate when the control was set to 100%. , And compared.
- carbocysteine has an effect of suppressing the adhesion of respiratory infection bacteria to pharyngeal epithelial cells in vitro and in vivo (oral administration).
- Carbocysteine has been shown to reduce the number of acute exacerbations in patients with chronic illness as a drug that may have an effect in preventing respiratory infections at the stage before infection, that is, at the stage of bacterial adhesion to the respiratory tract. It can be expected to help prevent bacterial infections in people with reduced immunity, and to help prevent the increase in resistant bacteria through the use of antimicrobial agents.
Landscapes
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pulmonology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Organic Chemistry (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-7007854A KR100523825B1 (ko) | 1998-12-22 | 1998-12-22 | 호흡기감염증 예방제 |
CA002359603A CA2359603A1 (en) | 1998-12-22 | 1998-12-22 | Preventive against respiratory infectious diseases |
PCT/JP1998/005810 WO2000037070A1 (fr) | 1998-12-22 | 1998-12-22 | Substance prophylactique pour les maladies infectieuses respiratoires |
EP98961478A EP1159959A4 (en) | 1998-12-22 | 1998-12-22 | Prophylactic agent of infectious respiratory diseases |
AU16857/99A AU1685799A (en) | 1998-12-22 | 1998-12-22 | Preventive for respiratory infectious diseases |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1998/005810 WO2000037070A1 (fr) | 1998-12-22 | 1998-12-22 | Substance prophylactique pour les maladies infectieuses respiratoires |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000037070A1 true WO2000037070A1 (fr) | 2000-06-29 |
Family
ID=14209682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/005810 WO2000037070A1 (fr) | 1998-12-22 | 1998-12-22 | Substance prophylactique pour les maladies infectieuses respiratoires |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1159959A4 (ja) |
KR (1) | KR100523825B1 (ja) |
AU (1) | AU1685799A (ja) |
CA (1) | CA2359603A1 (ja) |
WO (1) | WO2000037070A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6479547B1 (en) * | 2000-11-21 | 2002-11-12 | Arthur Vanmoor | Method of treating an infection by enhancing the effectiveness of the human immune system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015103291A1 (de) * | 2015-03-06 | 2016-09-08 | Ferton Holding S.A. | Pulverstrahlgerät |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1104500A (zh) * | 1993-06-10 | 1995-07-05 | 广州白云山制药股份有限公司 | 复方苯哌丙烷 |
-
1998
- 1998-12-22 KR KR10-2001-7007854A patent/KR100523825B1/ko not_active IP Right Cessation
- 1998-12-22 EP EP98961478A patent/EP1159959A4/en not_active Withdrawn
- 1998-12-22 CA CA002359603A patent/CA2359603A1/en not_active Abandoned
- 1998-12-22 WO PCT/JP1998/005810 patent/WO2000037070A1/ja not_active Application Discontinuation
- 1998-12-22 AU AU16857/99A patent/AU1685799A/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1104500A (zh) * | 1993-06-10 | 1995-07-05 | 广州白云山制药股份有限公司 | 复方苯哌丙烷 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1159959A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6479547B1 (en) * | 2000-11-21 | 2002-11-12 | Arthur Vanmoor | Method of treating an infection by enhancing the effectiveness of the human immune system |
Also Published As
Publication number | Publication date |
---|---|
AU1685799A (en) | 2000-07-12 |
EP1159959A4 (en) | 2005-01-12 |
KR100523825B1 (ko) | 2005-10-25 |
CA2359603A1 (en) | 2000-06-29 |
KR20010108036A (ko) | 2001-12-07 |
EP1159959A1 (en) | 2001-12-05 |
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