CN113559268A - Antifungal medicine composition - Google Patents

Antifungal medicine composition Download PDF

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Publication number
CN113559268A
CN113559268A CN202110930923.7A CN202110930923A CN113559268A CN 113559268 A CN113559268 A CN 113559268A CN 202110930923 A CN202110930923 A CN 202110930923A CN 113559268 A CN113559268 A CN 113559268A
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Prior art keywords
antifungal
pharmaceutical composition
inositol
myo
methoxybenzyl
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Chinese (zh)
Inventor
倪广惠
殷珊
王睿睿
赵胤
张祎
吴艳丹
孙爱梅
刘瑞娜
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Yunnan University of Traditional Chinese Medicine TCM
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Yunnan University of Traditional Chinese Medicine TCM
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/045Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
    • A61K31/047Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates having two or more hydroxy groups, e.g. sorbitol
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/41961,2,4-Triazoles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/10Antimycotics

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  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)

Abstract

The invention discloses an antifungal medicine composition. Experiments prove that the compound D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol combined antifungal drug has the effect of obviously inhibiting drug-resistant candida albicans. The application provided by the invention has good medicinal value and application prospect.

Description

Antifungal medicine composition
Technical Field
The invention belongs to the technical field of medicines, and particularly relates to an antifungal medicine composition consisting of D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol and an antifungal medicine.
Background
Invasive mycosis refers to systemic infectious diseases caused by invasion of tissues, organs and blood by various pathogenic candida, and the most common pathogenic bacteria include candida albicans, candida tropicalis, candida glabrata and candida kininogenes. Most life-threatening fungal infections occur in immunocompromised trauma, high immunosuppressive usage, neutropenia, medical device implantation and organ transplant patients with a mortality rate of about 40%. With the intervention treatment of antibacterial drugs such as fluconazole, the clinical isolate produces drug resistance genes and forms cross resistance with other azole drugs. Making the treatment of invasive mycoses problematic. The inventor finds that inositol has no antifungal effect in screening medicines, but unexpectedly finds that the derivative D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol has a good synergistic antibacterial effect on drug-resistant Candida albicans, which is the first discovery.
Disclosure of Invention
The invention aims to provide an antifungal medicine composition consisting of D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol and an antifungal medicine, wherein the structural formula of the D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol is shown in the specification
Figure 614354DEST_PATH_IMAGE001
The antifungal drug is fluconazole, voriconazole, itraconazole, amphotericin B, caspofungin, flucytosine, terbinafine and amorolfine.
The mass ratio of the D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol to the antifungal drug is 5: 1.
the fungi are Candida albicans, Marneffei basket fungus, Cryptococcus and Malassezia furfur.
The fungi are Candida albicans resistant strain, Marneffei basket fungus resistant strain, Cryptococcus resistant strain, and Malassezia furfur resistant strain.
The dosage forms of the medicine are tablets, hard capsules, soft capsules, powder, pills and granules.
The dosage forms of the medicine are solution injection, suspension injection, emulsion injection and sterile powder for injection.
The invention has the advantages that:
the invention has the advantages and positive effects that sufficient chemical and pharmacological basis is provided for drug candidates for treating drug-resistant deep fungal infections.
Detailed Description
The present invention is further illustrated but not limited in any way by the following examples, and any modifications made thereto are intended to fall within the scope of the present invention.
D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol
Figure 353771DEST_PATH_IMAGE001
An antifungal pharmaceutical composition comprising the antifungal medicine and antifungal medicine.
The antifungal drug is fluconazole, voriconazole, itraconazole, amphotericin B, caspofungin, flucytosine, terbinafine and amorolfine.
The mass ratio of the D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol to the antifungal drug is 5: 1.
the fungi are Candida albicans, Marneffei basket fungus, Cryptococcus and Malassezia furfur.
The fungi are Candida albicans resistant strain, Marneffei basket fungus resistant strain, Cryptococcus resistant strain, and Malassezia furfur resistant strain.
The dosage forms of the medicine are tablets, hard capsules, soft capsules, powder, pills and granules.
The dosage forms of the medicine are solution injection, suspension injection, emulsion injection and sterile powder for injection. The antifungal drug is fluconazole, voriconazole, itraconazole, amphotericin B, caspofungin, flucytosine, terbinafine and amorolfine.
Example 1
D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol antifungal activity test:
materials and methods
Medicine and sample
The preparation method of the D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol comprises the following steps:
reference is made to the following documents (J. Org. Chem.1996, 61, 23, 8016-application 8023) to obtain D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol.
The sample D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol was dissolved to 100mg/ml and placed in a refrigerator at 4 ℃. Grinding fluconazole, dissolving with DMSO, ultrasonic treating for 10min, centrifuging to obtain supernatant, storing at 50mg/ml, and placing in refrigerator at 4 deg.C.
II, reagent and solution
(1) Reagent
Fluconazole, DMSO
(2) Culture medium
Sabouraud's liquid culture medium
Third, Experimental methods
Taking a 96-well culture plate, diluting the positive drug fluconazole into an initial concentration of 200ug/ml, directly using a storage solution for a sample, directly adding 200ug/ml fluconazole into the storage solution for the sample during drug combination, then diluting by 5 times, carrying out 4 concentration gradients, and repeating 3 wells for each concentration gradient. Adding fungus suspension into each well, wherein the concentration of Candida albicans standard strain is 1 × 105CFU/mL, concentration of Candida albicans resistant strain 1 × 105 CFU/mL, cultured at 37 ℃ for 24 h. The OD value at 630nm was measured by a microplate reader. The experiment was also set with a medium blank control, a bacteria solution control and a fluconazole positive drug control.
Fourth, calculation formula
Fungal activity inhibition (%) = (1-sample OD value/Experimental control hole OD value) × 100%
Combination Index (FICI): FICI = MICA/A + MICB/B (where A and B are MIC values for single use of the two drugs, respectively, and MICA and MICB are MIC values for combination of the two drugs, respectively.) when the MIC values are higher than the detection upper limit, a value twice the upper limit concentration is used to calculate the FICI. the MIC50 value in this experiment is calculated as the percentage inhibition of fluconazole at 50% minimal fungal growth. when FICI is less than or equal to 0.5, the two drugs act in a synergistic manner, when FICI is greater than 0.5 and less than or equal to 4, the two drugs act in an unrelated manner, and when FICI is greater than 4, the two drugs act in an antagonistic manner.
The results of the experiments are shown in the following table.
Figure 902564DEST_PATH_IMAGE002
Experimental results show that the D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol and the antifungal drug fluconazole are combined to have an inhibiting effect on candida albicans resistant bacteria and have a strong synergistic effect.

Claims (7)

1. An antifungal medicine composition is characterized by consisting of D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol and an antifungal medicine, wherein the structural formula of the D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol is shown in the specification
Figure DEST_PATH_IMAGE001
2. The antifungal pharmaceutical composition of claim 1 wherein the antifungal agent is fluconazole, voriconazole, itraconazole, amphotericin B, caspofungin, flucytosine, terbinafine and amorolfine.
3. The antifungal pharmaceutical composition of claim 1 wherein the mass ratio of D-1-O- (4-methoxybenzyl) -2,3,4, 5-tetra-O-benzyl-myo-inositol to antifungal is 5: 1.
4. the antifungal pharmaceutical composition of claim 1 wherein the fungus is selected from the group consisting of candida albicans, malpighia marneffei, cryptococcus and malassezia furfur.
5. The antifungal pharmaceutical composition of claim 1 wherein the fungus is a Candida albicans resistant strain, a Marneffei staphylium resistant strain, a Cryptococcus resistant strain, a Malassezia furfur resistant strain.
6. The antifungal pharmaceutical composition of claim 1, wherein the dosage form of the drug is tablet, hard capsule, soft capsule, powder, pill, granule.
7. The antifungal pharmaceutical composition of claim 6, wherein the pharmaceutical composition is in the form of solution injection, suspension injection, emulsion injection, or sterile powder for injection.
CN202110930923.7A 2021-08-13 2021-08-13 Antifungal medicine composition Pending CN113559268A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5989612A (en) * 1996-10-11 1999-11-23 Rodia Inc. Foods including antimycotic agent
CN1446870A (en) * 2002-03-27 2003-10-08 馨乐丽康野田株式会社 Natural paint and its producing process

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5989612A (en) * 1996-10-11 1999-11-23 Rodia Inc. Foods including antimycotic agent
CN1446870A (en) * 2002-03-27 2003-10-08 馨乐丽康野田株式会社 Natural paint and its producing process

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