NZ613313B2 - Pharmaceutical formulation for topical administration comprising b220 - Google Patents

Pharmaceutical formulation for topical administration comprising b220 Download PDF

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Publication number
NZ613313B2
NZ613313B2 NZ613313A NZ61331312A NZ613313B2 NZ 613313 B2 NZ613313 B2 NZ 613313B2 NZ 613313 A NZ613313 A NZ 613313A NZ 61331312 A NZ61331312 A NZ 61331312A NZ 613313 B2 NZ613313 B2 NZ 613313B2
Authority
NZ
New Zealand
Prior art keywords
use according
medicament
therapeutically active
skin
active ingredient
Prior art date
Application number
NZ613313A
Other versions
NZ613313A (en
Inventor
Jan Bergman
Mohammed Homman
Original Assignee
Vironova Herpes Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP20110154979 external-priority patent/EP2489354A1/en
Application filed by Vironova Herpes Ab filed Critical Vironova Herpes Ab
Publication of NZ613313A publication Critical patent/NZ613313A/en
Publication of NZ613313B2 publication Critical patent/NZ613313B2/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2300/00Mixtures or combinations of active ingredients, wherein at least one active ingredient is fully defined in groups A61K31/00 - A61K41/00
    • 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
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/4985Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
    • 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
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0014Skin, i.e. galenical aspects of topical compositions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/0012Galenical forms characterised by the site of application
    • A61K9/0053Mouth and digestive tract, i.e. intraoral and peroral administration
    • A61K9/006Oral mucosa, e.g. mucoadhesive forms, sublingual droplets; Buccal patches or films; Buccal sprays
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/06Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/08Solutions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00Drugs for dermatological disorders
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/20Antivirals for DNA viruses
    • A61P31/22Antivirals for DNA viruses for herpes viruses

Abstract

Disclosed herein is the use of 2,3-dimethyl-6-(N,N-dimethylaminoethyl)-6H-indolo-(2,3-b)quinoxaline (B-220) or a pharmaceutically acceptable salt for the manufacturing of a medicament for use in the treatment of herpes virus infections of the skin or mucous membranes in a mammalian subject by topical administration of a therapeutically effective dose of said medicament to the skin or mucous membrane of the mammalian subject. al administration of a therapeutically effective dose of said medicament to the skin or mucous membrane of the mammalian subject.

Description

There however still remains a need for effective drugs and methods of treatment for primary as well as recurrent herpes infections.
B-220 was disclosed for the first time in the PCT application published as WO87/04436, which showed the antiviral effect of a number of indoloquinoxalines against herpes simplex virus of both type 1 and 2. The antiviral effect was shown by injecting the test substance in mice receiving also an intracerebral injection of the virus.
The antiviral activity of B-220 against human cytomegalovirus has also been mentioned in the PCT application published as WO07/084073, where B-220 is used as a reference compound in a modified plaque assay.
Summary of the invention It has now been found that primary and recurrent herpes virus infections can be surprisingly effectively treated by topical administration of B-220.
The invention therefore relates to the use of 2,3-dimethyl(N,N-dimethylaminoethyl)-6H- indolo-(2,3-b)quinoxaline or a pharmaceutically acceptable salt for the manufacturing of a medicament for use in the treatment of herpes virus infections of the skin or mucous membranes in a mammalian subject by topical administration of a therapeutically effective dose of said medicament to the skin or mucous membrane of the mammalian subject.
Other embodiments of the invention are described herein for completeness.
In one such embodiment the invention relates to a pharmaceutical composition for topical administration comprising 2,3-dimethyl(N,N-dimethylaminoethyl)-6H-indolo-(2,3- b)quinoxaline (B-220) or a pharmaceutically acceptable salt thereof in a pharmaceutically acceptable carrier.
The composition of the invention is useful for topical administration to a mammal subject suffering from a primary or recurrent herpes virus infection, especially of oral-facial type.
In one embodiment, the pharmaceutical composition of the invention additionally comprises at least one additional therapeutically active ingredient suitable for topical administration.
According to another aspect, the invention relates to B-220 or a pharmaceutically acceptable salt thereof for use in the treatment of herpes virus infections of the skin or mucous membranes in a mammal subject by topical administration of a therapeutically effective dose thereof to the skin and/or mucous membrane of the mammal subject.
According to another aspect, the invention relates to a method of prophylactic and/or curative treatment of herpes virus infections of the skin or mucous membranes in a mammal subject comprising topical administration of a therapeutically effective dose of B-220 or a pharmaceutically acceptable salt thereof.
In one embodiment, the method also comprises topical administration, in combination or in sequence, of at least one additional pharmaceutically active ingredient suitable for topical administration, e.g. selected from antiviral agents, antibiotics, anaesthetic agents, analgesic agents, antiphlogistic agents, and anti-inflammatory agents.
Detailed description of the invention B-220, i.e. 2,3-dimethyl(N,N-dimethylaminoethyl)-6H-indolo-(2,3-b)quinoxaline, has the structural formula and may be prepared e.g. as described in WO87/04436, the contents of which is incorporated herein by reference.
Pharmaceutically acceptable salts of B-220 may be formed using any organic or inorganic, pharmaceutically acceptable acid, such as are well-known to the person of ordinary skill in the art. Pharmaceutically acceptable acid addition salts according to the invention are salts that are safe and effective for topical use in mammals and that possess the desired biological activity, e.g. hydrochloride, hydrobromide, hydroiodide, nitrate, sulfate, bisulfate, phosphate, acid phosphate, isonicotinate, acetate, lactate, salicylate, citrate, tartrate, pantothenate, bitartrate, ascorbate, succinate, maleate, gentisinate, fumarate, gluconate, glucaronate, saccharate, for-

Claims (12)

What we claim is:
1. The use of 2,3-dimethyl(N,N-dimethylaminoethyl)-6H-indolo-(2,3-b)quinoxaline or a pharmaceutically acceptable salt for the manufacturing of a medicament for use in the treatment of herpes virus infections of the skin or mucous membranes in a mammalian subject by topical administration of a therapeutically effective dose of said medicament to the skin or mucous membrane of the mammalian subject.
2. The use according to claim 1, wherein the medicament comprises 2,3-dimethyl(N,N- dimethylaminoethyl)-6H-indolo-(2,3-b)quinoxaline in an amount of 0.1-10% (w/w).
3. The use according to claim 1, wherein the medicament comprises 2,3-dimethyl(N,N- dimethylaminoethyl)-6H-indolo-(2,3-b)quinoxaline in an amount of 0.5-5% (w/w).
4. The use according to any one of the claims 1 to 3, wherein the medicament comprises at least one additional therapeutically active ingredient.
5. The use according to claim 4, wherein the additional therapeutically active ingredient is selected from antiviral agents, antibiotics, analgesics, anaesthetic agents, antiphlogistic agents and antiinflammatory agents.
6. The use according to claim 5, wherein the additional therapeutically active ingredient is an antiphlogistic agent.
7. The use according to claim 5, wherein the additional therapeutically active ingredient is an antiinflammatory agent.
8. The use according to any one of the claims 4 to 7, wherein the additional therapeutically active agent is present in an amount of 0.005-5% (w/w).
9. The use according to any one of the claims 1 to 8, wherein the medicament is for dermal or mucosal treatment.
10. The use according to any one of the claims 1 to 9, wherein the medicament is in the form of a cream, liquid, lotion, gel, spray, foam or ointment.
11. The use according to any one of the claims 1 to 9, wherein the medicament is for application using a patch, stick, spray dispenser, tube, or pen containing the medicament.
12. A use according to claim 1, substantially as herein described or exemplified.
NZ613313A 2011-02-18 2012-02-17 Pharmaceutical formulation for topical administration comprising b220 NZ613313B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201161444275P 2011-02-18 2011-02-18
EP20110154979 EP2489354A1 (en) 2011-02-18 2011-02-18 Pharmaceutical formulation of B220 for topical treatment of herpes
US61/444,275 2011-02-18
EP11154979.6 2011-02-18
PCT/EP2012/052763 WO2012110631A1 (en) 2011-02-18 2012-02-17 Pharmaceutical formulation for topical administration comprising b220

Publications (2)

Publication Number Publication Date
NZ613313A NZ613313A (en) 2015-06-26
NZ613313B2 true NZ613313B2 (en) 2015-09-29

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