EP3535277A1 - Composition thérapeutique dérivée d'anthostema senegalense - Google Patents
Composition thérapeutique dérivée d'anthostema senegalenseInfo
- Publication number
- EP3535277A1 EP3535277A1 EP17797397.1A EP17797397A EP3535277A1 EP 3535277 A1 EP3535277 A1 EP 3535277A1 EP 17797397 A EP17797397 A EP 17797397A EP 3535277 A1 EP3535277 A1 EP 3535277A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- molecule
- molecules
- chemical composition
- hiv
- plant extract
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J63/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
- C07J63/008—Expansion of ring D by one atom, e.g. D homo steroids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/185—Magnoliopsida (dicotyledons)
- A61K36/47—Euphorbiaceae (Spurge family), e.g. Ricinus (castorbean)
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/105—Plant extracts, their artificial duplicates or their derivatives
- A23L33/11—Plant sterols or derivatives thereof, e.g. phytosterols
-
- 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
- A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/18—Antivirals for RNA viruses for HIV
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
- A61K2236/10—Preparation or pretreatment of starting material
- A61K2236/17—Preparation or pretreatment of starting material involving drying, e.g. sun-drying or wilting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
- A61K2236/30—Extraction of the material
- A61K2236/33—Extraction of the material involving extraction with hydrophilic solvents, e.g. lower alcohols, esters or ketones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
- A61K2236/50—Methods involving additional extraction steps
- A61K2236/51—Concentration or drying of the extract, e.g. Lyophilisation, freeze-drying or spray-drying
Definitions
- the present invention is in the field of chemical compositions for use in the preparation of medicaments or food supplements.
- the invention allows the preparation of drugs or dietary supplements capable of increasing the immunity and the defenses of the body, especially against viruses, bacteria, fungi, protozoa responsible for many pathologies, sometimes fatal.
- the invention specifically relates to a chemical composition comprising biologically active molecules that help to increase and stimulate the immune activity of the body and improve immune defenses, especially against viruses.
- the chemical composition of the invention has a biological activity against the "Human Immunodeficiency Virus” (HIV) and its resultant “Acquired Immunodeficiency Syndrome” (AIDS), usually accompanied by its opportunistic infections. .
- HIV Human Immunodeficiency Virus
- AIDS Acquired Immunodeficiency Syndrome
- HIV is a retrovirus infecting humans, of which two types are currently known: HIV-1 and HIV-2. HIV infection is a pandemic covering the entire planet, especially sub - Saharan Africa, which alone accounts for 69% of cases. A patient's infection with HIV evolves in several phases:
- the primary infection phase consists of the active, organized replication of HIV, which destroys the cells of the immune system, particularly T4 lymphocytes.
- the “latency” phase represents a phase in which the viral load decreases slightly and stabilizes in the body.
- the “AIDS” phase consists of an increased and invasive multiplication of HIV where AIDS symptoms appear, as well as opportunistic diseases, with the ultimate goal of patient death.
- HIV virus
- tritherapy type treatments combining three antiviral molecules are used to slow the development and multiplication of HIV in the body and its evolution to the AIDS stage.
- the present invention aims to overcome the disadvantages of the state of the art by proposing a chemical composition consisting of an alternative solution to the aforementioned solutions.
- This alternative must be effective and allow to increase the immune defenses, especially in patients with HIV, while limiting the effects secondary effects due to taking the drug comprising the alternative chemical composition.
- the chemical composition must be the least toxic possible for the body and target only viruses, fungi, protozoa responsible for diseases weakening the immune system.
- the chemical composition has a maximum of elements of natural origin, judged to be of little harm to health and the environment.
- the present invention aims to overcome the drawbacks of the state of the art, by proposing a chemical composition comprising:
- the moléc molecule or one of its physiologically acceptable salts is biologically active and stimulates the immune activity
- the molecule B or one of its physiologically acceptable salts is biologically active and stimulates the immune activity.
- said molecule A has:
- glycosilation or esterification in the form of -OR where "R” is either a feruloyl or caffeoyl group, or a sugar or an amide.
- said molecule A is conjugated with amino acids, quaternary ammonium salts, glycosides, hemiphtalates or carbamates.
- said molecule B has, in position 28, an esterification with an amide or a sugar.
- said chemical composition of the invention comprises at least one of the following molecules or one of its physiologically acceptable salts, or one of the possible combinations of the following molecules, said molecule (s) ) being chosen from the following list!
- each of said molecules A, B, and each of their physiologically acceptable salts is of synthetic origin and from a chemical synthesis in the laboratory or a semisynthesis.
- each of said molecules A, B and each of their physiologically acceptable salts of said composition of the invention is of natural origin and derived from a plant extract of Anthostema senegalense.
- said plant extract is obtained from trunk bark, in particular dried, of Anthostema senegalense.
- said chemical composition of the invention is intended to be used as a medicament or as a dietary supplement.
- said chemical composition of the invention is intended to be used in the treatment of HIV infection type 1 or type 2, AIDS and clinical manifestations that accompany it.
- said chemical composition of the invention is in an oral dosage form, or in a dosage form of infusette.
- said composition of the invention is in an oral dosage form of microspheres produced by an extrusion and spheronization process, tablets, soft capsules, granules, capsules, powder, bulbs, syrup or ecoctés.
- the present invention also relates to a method of isolation by extraction, identification and selection of the biologically active molecule (s) of the chemical composition of the invention wherein: - Part of the plant Anthostema senegalense is dried;
- a plant extract is prepared from the part of the dried plant by extraction with an apolar or polar solvent or by maceration, infusion, decoction, percolation, digestion or lixivation,
- Molecules having an index of selectivity against said pathogen ⁇ 50 and a CC 50 ⁇ 45 ⁇ g / ml are selected and isolated.
- the separated molecule (s), selected and isolated by nuclear magnetic resonance and mass spectrometry, are identified.
- the part of the plant of Anthostema sengalense that is dried consists of the bark of the trunk, or the bark of roots or leaves or fruits;
- a plant extract is prepared by percolation with CHCl 3 to obtain an apolar plant extract
- the molecules of the plant extract are separated by repeated column chromatography and thin layer chromatography.
- the molecules of said apolar plant extract are separated by column chromatography with, as stationary phase, a polar silica gel and, as mobile phase, an apolar eluent consisting of a gradient of CHCl 3 in hexane.
- the present invention relates to a chemical composition
- a chemical composition comprising molecule A and / or molecule B, or a physiologically acceptable salt thereof.
- said chemical composition comprises the molecule A or one of the physiologically acceptable salts of the molecule A; in the presence or absence of the molecule B or one of the physiologically acceptable salts of the molecule B.
- said chemical composition comprises molecule B or one of the physiologically acceptable salts of molecule B; in the presence or absence of the molecule A or one of the physiologically acceptable salts of the molecule A.
- physiologically acceptable means that the molecule or molecules and their salts do not interfere with the functioning or the mechanical, physical or biochemical organization of a living organism, in particular with the organism. To be human.
- the chemical composition of the invention is “physiologically acceptable” in its entirety, that is to say that all the elements that compose it are “physiologically acceptable”.
- Said chemical composition of the invention is “physiologically acceptable” through its various components, that is to say that it is biocompatible, non or slightly toxic for the proper functioning of the body and without physical or chemical property making it difficult and complicated to administer and metabolize.
- composition of the invention is also “pharmaceutically acceptable", that is, it can be used as a medicament for treating a patient and that there are more positive effects than negative effects. on the health of the patient.
- the molecule (s) A and / or B are "biologically active", in particular against the viral, bacterial, protozoan or fungi entities responsible for pathologies.
- the molecule A or the molecule B has an effect alone or synergistically against the proliferation of said entities responsible for said pathologies.
- the molecule (s) A and / or B have the property and effect of stimulating the immune activity of the body and increasing it.
- the molecule A a pentacyclic triterpenoid Medrane, has the following formula:
- the formula of the molecule A may be modified so that:
- the molecule A may be conjugated with amino acids, quaternary ammonium salts, glycosides, hemiphthalates or carbamates.
- the molecule B is in the following formula:
- the molecule B may undergo esterifications in the position of its carbon 28, in particular with sugars of the rhamnose, arabinose, glucose, aminosugar, glucosamine or galactosamine type, or else with amides of benzylamide or heteroaromatic amide type.
- a coupling can be done with a side chain of amino acids or peptides among others at its carbon 28.
- the molecule B can undergo modifications in its carbon 3, such as:
- estersifications with various acids such as ferulic or caffeic acids, hydroxycinnamic acids, dimethylsuccinic acids,
- said chemical composition of the invention may comprise, in addition to molecules A and / or B, one of the following molecules, one of its physiologically acceptable salts, or one of the possible combinations of the following molecules:
- the molecule E 3-O-acetyl-o-friedo-olean-14-en-28-oic acid (O-acetyl aleuritolic acid), of formula:
- each of the abovementioned molecules A to J is of natural origin, issued and selected from a plant extract of Anthostema senegalense, in particular for its ability to be biologically active.
- said plant extract is obtained from trunk bark, in particular dried, of Anthostema senegalense.
- Anthostema senegalense plant such as leaves, root bark or fruits may also be used to obtain said plant extract.
- said plant extract of Anthostema senegalense consists of a polar, aqueous, alcoholic or hydro-alcoholic extract or an apolar extract, or alternatively of a mother tincture of Anthostema senegalense with an ethanol content of approximately 70% V / V.
- Anthostema senegalense is a widespread forest tree in West Africa, particularly in Guinea, Guinea-Bissau, Senegal, Mali, Côte d'Ivoire, Sierra Leone, Benin, Nigeria, etc., which are countries with little and the possibility of access to care is often limited.
- each of the above-mentioned molecules A to J is of synthetic origin, that is to say derived from a complete chemical synthesis in the laboratory or else from a hemi-synthesis.
- said chemical composition of the invention is intended to be used as a medicament or as a dietary supplement.
- said chemical composition of the invention is intended to be used by tired people whose immune system is weakened by the presence of a viral pathogen, bacterial, fungal etc ....
- the Applicant has been able to demonstrate that the chemical composition of the invention has a biological activity against HIV type 1 and type 2, AIDS and clinical manifestations that accompany it, as well as certain protozoa in particular Trypanosoma crazl, Trypanosoma brucei, Plasmodium falclparvm.
- the biological activity of the chemical composition of the invention is, in particular, due to the presence of the molecules that compose it. More specifically, molecule A, molecule B and molecules C to J are responsible for and the origin of the biological activity of the chemical composition of the invention. The presence of these molecules A to J in the human body generates the biological activity.
- said chemical composition can be used for the preparation of a pharmaceutical composition helping to fight against HIV, AIDS, its opportunistic pathologies associated but also against diseases resulting from certain protozoa such as trypanosomiasis or malaria.
- the present invention also protects a pharmaceutical composition comprising the chemical composition of the invention, said pharmaceutical composition being in an oral dosage form.
- oral dosage form refers to the form in which the excipients and active ingredients are placed, namely molecules A to J alone or in combination, constituting a drug for oral use.
- the chemical composition of the invention may be in the form of tea bags, this only when it is entirely of natural origin and derived from a plant extract of the invention.
- Anthostema senegalense Anthostema senegalense.
- infantette refers to the form in which the active ingredient, ie molecules ⁇ to J preferably derived from a plant extract of Anthostema senegalense, is presented. More specifically, a tea bag is a small sachet containing a dose of dried plant extract to be infused.
- the pharmaceutical composition comprising the chemical composition of the invention may be in the form of a sachet containing a dried plant extract of Anthostema senegalense that can be infused.
- the plant extract of the sachet containing itself at least one of the molecules A or B is advantageously a combination of the molecules A to J.
- the pharmaceutical composition of the invention is in the oral dosage form, in particular of the microsphere type.
- the latter are produced by an extrusion and spheronization process.
- the pharmaceutical composition of the invention may also be in an oral dosage form different from the microspheres, especially in the form of tablets, soft capsules, granules, capsules, powder, ampoules, syrup or decocts.
- the pharmaceutical composition of the invention has the advantage of presenting an effective and inexpensive alternative for treating patients with HIV type 1 or type 2, AIDS or clinical diseases that result.
- the oral dosage form or the infusette form of the pharmaceutical composition of the invention facilitates its taking by the patient, requires little or no material for the taking and does not pose a conservation problem.
- the activity of the molecule (s) of the chemical composition of the invention has been demonstrated following the isolation by extraction, the identification and the selection of the molecule (s) of interest biologically active from a plant of Anthostema senegalense.
- the present invention also relates to a method of isolation by extraction, identification and selection of the biologically active molecule (s) of the chemical composition of the invention.
- This method makes it possible to extract from an Anthostema senegalense plant, the molecule (s) of interest which is / are then of entirely natural origin.
- the molecule (s) of interest being (s) having a biological activity against the pathogens, in particular a biological activity described as "significant".
- a "significant" biological activity defines a compound having, against the pathogen, a cytotoxic concentration (CC 50 ) ⁇ 45 ⁇ g / mL and a selectivity index ⁇ 50.
- the method comprises the following steps:
- Anthostema senegalense is dried, for example the bark of the trunk or the leaves;
- a plant extract is prepared from the portion of the dried plant by extraction with a polar or apolar solvent, cold or hot, by aqueous extraction, alcoholic or hydro-alcoholic or by maceration, infusion, decoction, percolation, digestion or lixivation,
- Anthostema sengalense which is dried consists of the bark of the trunk, or of the root bark or of leaves or fruits;
- a plant extract is prepared by percolation with CHCl 3 to obtain an apolar plant extract
- the molecules of the apolar plant extract are separated by repeated column chromatography on silica gel using, as eluent, a gradient of CHCl 3 in hexane and by thin layer chromatography.
- Thin layer chromatography can be carried out with, as mobile phase, a mixture of dichloromethane / toluene or a mixture of toluene / chloroform or with chloroform.
- the implementation of the method of the invention made it possible to identify and isolate the biologically active molecules present in a biologically active plant extract against HIV. Then, the realization of the process made it possible to select, through the In Vitro test, the molecules possessing the "significant" biological activity and stimulating the immune system.
- the viral anti-replication efficiency of the molecules of the chemical composition of the invention has been tested in vitro against the replication of HIV virus type 1 (strain III B ) and HIV type 2 (strain ROD) within infected MT-4 cells.
- This method consists in carrying out a cell culture of MT-4 in a microplate containing, as a cell culture medium: the Roswell Park Memorial Institute (RPMI 1640) medium, embryonic calf serum, glutamine, sodium bicarbonate and gentamicin as a bacterial inhibitor.
- RPMI 1640 Roswell Park Memorial Institute
- the molecules of the chemical composition of the invention are added at different concentrations to the cell growth medium. Each concentration of molecules to be tested is made of triplicate.
- the MT4 cells placed in the presence of the test molecules are called "treated cells”.
- In each cell growth well is added a defined amount of HIV-1 or HIV-2 to obtain the same concentration of virus in each well.
- the number of live cells is counted by a colorimetric test with MTT (Tetrazolium salt) by measuring the optical density at 540 nm.
- the E De Clercq method makes it possible to obtain a density measurement at 540 nm for:
- the IC 50 is the concentration in molecule to reduce by 50% the viral proliferation of the negative control in vitro for a given time, that is to say of HIV without substance, only growing in its culture medium.
- CC 50 is the concentration of active molecules to halve the cytopathic effect of HIV on infected cells. In other words, it is the concentration of active molecules to reduce the viability of the cells by 50%.
- the EC 50 corresponds to the concentration of molecules necessary so that 50% of the cells growing in the medium do not undergo the action of the virus, that is to say that they are protected from the cytopathic effect of the virus .
- the EC50 is calculated with the following formula:
- (DO T ) HIV represents the measurement of optical density at 540 nm, 5 days after infection, for cells not infected with HIV and treated with the composition of the invention, ie in the presence of the molecules of the composition of the invention:
- ( c ) HIV- represents the measurement of optical density at 540 nm, 5 days after infection, for cells not infected with HIV in the absence of the molecules of the composition of the invention.
- the selectivity index represents the ratio CC 50 / EC 50 .
- the biological activity against the pathogen preferably HIV-1 and 2
- the selectivity index is ⁇ 50 and a CC 50 ⁇ 45 pg / ml.
- the molecules present in the Asc4.5 fraction exhibit significant activity against HIV type 1 and type 2.
- the molecules present in each of the AsC4.2, AsC4.5, AsC4.6 and AsC4.7 fractions have a significant biological activity against HIV type 2.
- the IC 50 of the molecules contained in each of these fractions is better than Nevirapine and Dideoxyinosine positive controls.
- the molecules of these fractions act in synergy to fight against viral multiplication.
- the molecules of the fractions AsC4.5 and Asc4.6 have a strong biological activity, better than those antiretrovirals Nevirapine, Dideoxycitidine and Dideoxyinosine, against HIV type 2.
- a polar plant extract is produced by percolation with liquid CHC1 3 .
- the polar plant extract is concentrated under vacuum.
- Thin layer chromatography is performed with each of the above-mentioned ten AsCl, AsC2, AsC3, AsC4, AsC5, AsC6, AsC7, AsC8, AsC9, AsClO fractions, in order to detect the number of potentially different molecules of each of the fractions.
- each of the fractions was tested in vitro with respect to HIV type 1 and HIV type 2, according to the method explained later.
- the AsC4 fraction showed the best anti-HIV activity.
- This AsC4 fraction therefore contains an assembly of molecules with significant biological activity against HIV.
- This AsC4 fraction was consequently separated by column chromatography until 8 fractions ranging from AsC4.1 to AsC4.8 were obtained.
- the anti-HIV activity was tested in vitro according to Clerq's method on each of the abovementioned fractions AsC4.1, AsC4.2, AsC4.3, AsC4.4, AsC4.5, AsC4.6, AsC4.7 and AsC4.8.
- the molecules present in the majority in these fractions are responsible for the biological activity anti HIV.
- the AsC4.5 fraction has a "significant" biological activity within the meaning of the invention against HIV-1 and the best "significant” biological activity against HIV-2.
- molecule A and molecule B are considered to be responsible for the "significant" biological activity of each of the AsC4.5 and Asc4.6 samples.
- the eluents used as the mobile phase are as follows:
- the technical effect of inhibiting the proliferation of HIV 1 or 2 of the "significant" inhibitory activity fractions is due to the specific presence and action of the A and / or B molecules.
- the molecule A as well as the molecule B possess an activity of inhibition of the proliferation of HIV-1 or 2, each of the molecules A or B being capable of stimulating the immune activity of an infected organism.
- the molecules A and B alone or in combination have been specially selected and selected by Applicant, among the molecules A to J for which an inhibition activity of HIV-1 and 2 has also been noted, to include them in the chemical composition of the invention biologically stimulating the immune activity.
- the molecules A and B being predominantly in the HIV-1 and HIV-2 proliferative inhibitory moieties, are believed to be responsible for the majority and major biological activity against viruses, particular of HIV 1 or 2.
- the Applicant has specifically selected the molecules A and / or B from among all the molecules A to J exhibiting a biological activity, since these two molecules A and B have the expected significant effect against proliferation of HIV-1 and 2 and stimulate immune activity.
- the chemical composition of the invention provides an effective alternative, inexpensive, accessible to developing countries, easy to produce if it comes from natural origin, which is biologically active and stimulates immune activity. .
- the chemical composition of the invention can be used in the pharmaceutical field in the treatment of infection with the HIV virus, AIDS and the clinical manifestations which accompany it.
- composition of the invention can also be used as a dietary supplement to stimulate the immune activity and natural immune defenses of the human being which can be immunocompromised.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Botany (AREA)
- Virology (AREA)
- Organic Chemistry (AREA)
- Epidemiology (AREA)
- Mycology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- AIDS & HIV (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Alternative & Traditional Medicine (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Tropical Medicine & Parasitology (AREA)
- Oncology (AREA)
- Communicable Diseases (AREA)
- Nutrition Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Medicines Containing Plant Substances (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Steroid Compounds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1660230A FR3057865A1 (fr) | 2016-10-21 | 2016-10-21 | Composition chimique |
| FR1750080A FR3057866B1 (fr) | 2016-10-21 | 2017-01-05 | Composition chimique |
| PCT/FR2017/052891 WO2018073551A1 (fr) | 2016-10-21 | 2017-10-20 | Composition thérapeutique dérivée d'anthostema senegalense |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3535277A1 true EP3535277A1 (fr) | 2019-09-11 |
Family
ID=58547642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17797397.1A Withdrawn EP3535277A1 (fr) | 2016-10-21 | 2017-10-20 | Composition thérapeutique dérivée d'anthostema senegalense |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20190350995A1 (fr) |
| EP (1) | EP3535277A1 (fr) |
| CN (1) | CN110099916A (fr) |
| FR (2) | FR3057865A1 (fr) |
| RU (1) | RU2019120255A (fr) |
| WO (1) | WO2018073551A1 (fr) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6245789B1 (en) * | 1998-05-19 | 2001-06-12 | The Procter & Gamble Company | HIV and viral treatment |
| FR3021871B1 (fr) * | 2014-06-10 | 2018-07-13 | Aliou Mamadou Balde | Composition a base d'anthostema senegalense utilisee comme medicament contre le sida |
-
2016
- 2016-10-21 FR FR1660230A patent/FR3057865A1/fr active Pending
-
2017
- 2017-01-05 FR FR1750080A patent/FR3057866B1/fr active Active
- 2017-10-20 RU RU2019120255A patent/RU2019120255A/ru unknown
- 2017-10-20 CN CN201780079975.XA patent/CN110099916A/zh active Pending
- 2017-10-20 EP EP17797397.1A patent/EP3535277A1/fr not_active Withdrawn
- 2017-10-20 US US16/476,192 patent/US20190350995A1/en not_active Abandoned
- 2017-10-20 WO PCT/FR2017/052891 patent/WO2018073551A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR3057866B1 (fr) | 2020-10-30 |
| FR3057865A1 (fr) | 2018-04-27 |
| RU2019120255A3 (fr) | 2020-12-28 |
| CN110099916A (zh) | 2019-08-06 |
| WO2018073551A1 (fr) | 2018-04-26 |
| FR3057866A1 (fr) | 2018-04-27 |
| RU2019120255A (ru) | 2020-12-28 |
| US20190350995A1 (en) | 2019-11-21 |
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