WO2005037311A1 - Composiciones farmacéuticas para uso terapéutico - Google Patents
Composiciones farmacéuticas para uso terapéutico Download PDFInfo
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- WO2005037311A1 WO2005037311A1 PCT/CU2004/000011 CU2004000011W WO2005037311A1 WO 2005037311 A1 WO2005037311 A1 WO 2005037311A1 CU 2004000011 W CU2004000011 W CU 2004000011W WO 2005037311 A1 WO2005037311 A1 WO 2005037311A1
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- virus
- hepatitis
- antigen
- chronic
- treatment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/39—Medicinal preparations containing antigens or antibodies characterised by the immunostimulating additives, e.g. chemical adjuvants
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/005—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from viruses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/12—Viral antigens
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/12—Viral antigens
- A61K39/21—Retroviridae, e.g. equine infectious anemia virus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/12—Viral antigens
- A61K39/29—Hepatitis virus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/12—Viral antigens
- A61K39/29—Hepatitis virus
- A61K39/292—Serum hepatitis virus, hepatitis B virus, e.g. Australia antigen
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- 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
-
- 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
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/54—Medicinal preparations containing antigens or antibodies characterised by the route of administration
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/54—Medicinal preparations containing antigens or antibodies characterised by the route of administration
- A61K2039/541—Mucosal route
- A61K2039/543—Mucosal route intranasal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/545—Medicinal preparations containing antigens or antibodies characterised by the dose, timing or administration schedule
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/555—Medicinal preparations containing antigens or antibodies characterised by a specific combination antigen/adjuvant
- A61K2039/55511—Organic adjuvants
- A61K2039/55516—Proteins; Peptides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/70—Multivalent vaccine
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2730/00—Reverse transcribing DNA viruses
- C12N2730/00011—Details
- C12N2730/10011—Hepadnaviridae
- C12N2730/10111—Orthohepadnavirus, e.g. hepatitis B virus
- C12N2730/10122—New viral proteins or individual genes, new structural or functional aspects of known viral proteins or genes
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2730/00—Reverse transcribing DNA viruses
- C12N2730/00011—Details
- C12N2730/10011—Hepadnaviridae
- C12N2730/10111—Orthohepadnavirus, e.g. hepatitis B virus
- C12N2730/10134—Use of virus or viral component as vaccine, e.g. live-attenuated or inactivated virus, VLP, viral protein
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2740/00—Reverse transcribing RNA viruses
- C12N2740/00011—Details
- C12N2740/10011—Retroviridae
- C12N2740/16011—Human Immunodeficiency Virus, HIV
- C12N2740/16034—Use of virus or viral component as vaccine, e.g. live-attenuated or inactivated virus, VLP, viral protein
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2770/00—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA ssRNA viruses positive-sense
- C12N2770/00011—Details
- C12N2770/24011—Flaviviridae
- C12N2770/24211—Hepacivirus, e.g. hepatitis C virus, hepatitis G virus
- C12N2770/24234—Use of virus or viral component as vaccine, e.g. live-attenuated or inactivated virus, VLP, viral protein
Definitions
- the present invention relates to the field of Biotechnology specifically with the branch of therapeutic vaccines against pathogens that cause chronic diseases. Fundamentally it is related to the use of hepatitis B virus surface antigen (HBsAg), produced recombinantly from Pichia pastoris in a formulation as the main component of pharmaceutical compositions for therapeutic use.
- HBsAg hepatitis B virus surface antigen
- HBV Hepatitis B virus
- Interferon- ⁇ treatment and therapy with the nucleotide analog Lamivudine. Both treatments have important limitations, Interferon- ⁇ therapy combines the antiviral and immunostimulatory properties of interferon, resulting in sustained suppression of HBV replication in only one third of patients. Lamivudine leads to a rapid and almost absolute decrease in HBV replication, but treatments for short periods of time lead to frequent relapses. In long-term treatments, relapses are increased with an annual incidence of 15 to 20%.
- These limitations of both HBV antiviral therapies highlight the need to find therapeutic alternatives, including new nucleotide analogs and specific or non-specific immunotherapeutic strategies with the aim of improving the poor T-cell response in chronically infected patients.
- immunotherapeutic strategies are passive transfer of specific immunity from HBV, immunomodulatory drugs (cytokines, thymic derivatives, growth factors) and vaccine therapies (recombinant HBV vaccine, DNA vaccine and T cells).
- immunomodulatory drugs cytokines, thymic derivatives, growth factors
- vaccine therapies recombinant HBV vaccine, DNA vaccine and T cells.
- HBV is not a cytopathic virus and liver damage during infection is mainly mediated by the host's immune response against infected cells and by the production of inflammatory cytokines.
- a vigorous, polyclonal and multispecific cellular response of cytotoxic, helper and cytokine cells against HBV is easily and quickly detectable in the peripheral blood of patients with acute and self-limited Hepatitis B.
- this response is weak, antigenically restricted or undetectable. It has been shown that this T-cell response is responsible for the elimination of HBV, as opposed to what has been observed during acute hepatitis B, Th1 cytokines (interferon- ⁇ , lnterlukine-2).
- Hepatitis B vaccines have been tested as a product for immunotherapy.
- the immunization of transgenic mice constitutively expressing HBsAg in the liver showed the possibility of overcoming functional tolerance to HBsAg by inducing a specific immune response (Mancini M, et al., Induction of anti-hepatitis B surface antigen ( HBsAg) antibodies ⁇ n HBsAg transgenic mice: a possible way of circumventing "nonresponse" to HBsAg. J Med Virol. 1993; 39: 67-74.).
- the present invention describes the use of the Hepatitis B Virus surface antigen produced from Pichia pastor ⁇ s to obtain pharmaceutical compositions for therapeutic use, for which we have taken into account new properties of the HBV surface antigen, evidenced from the comparison of the antigen produced in Pichia pastor ⁇ s by the described method and other Hepatitis B antigens.
- the HBsAg of the present invention can be used in vaccine formulations for the treatment of chronic Hepatitis B infection and even in chronic coinfection by other viruses, given the ability of this antigen to promote the cellular and functional response of other co-administered antigens.
- antigens that have been co-administered with the HBsAg of the present invention are antigens of other viruses that are capable of generating chronic infections, such as in Hepatitis C Virus and HIV-1 among others.
- results which are described in the examples of the present invention, were obtained with the Hepatitis C Virus nucleocapsid antigen and with an HIV-1 chimeric protein, which contains epitopes related to the cellular response in humans against said pathogens
- This property according to the evidence that has been obtained in our laboratory, is extended to homologous or heterologous proteins that can be used in co-administration with the HBsAg obtained from this process.
- HBV or HBcAg nucleocapsid protein which contribute to the final effect of the formulation is the HBV or HBcAg nucleocapsid protein.
- This protein is capable of receiving an immunopotentiating effect of its cellular response when co-administered with the HBsAg of the present invention.
- the subject of the present invention is the pharmaceutical compositions in which the hepatitis B virus surface antigen obtained in Pichia pastoris is used by the method described for the therapeutic anti chronic hepatitis B, both in solution and conveniently adjuvant in aluminum salts or another adjuvant of choice for this purpose.
- the pharmaceutical composition for use in therapeutics is object of the present invention, in which the Hepatitis B antigen obtained in Pichia pastoris by the described method is administered in combination with other homologous or heterologous antigens, which would receive an effect adjuvant of importance for therapeutic activity.
- the homologous antigen is comprised between the Hepatitis B Virus antigens, preferably the nucleocapsid antigen of said virus.
- Other antigens that may be included in the formulations object of the present invention are those that belong to Viruses that have a chronic course in humans such as Hepatitis C Virus, HIV-1, but are not restricted thereto, antigens may be used of other viruses that have these characteristics.
- compositions object of the present invention can be used mucosally, parenterally or by combinations of mucosal-parenteral routes in order to favor the type of therapeutic response that is required.
- pharmaceutical compositions object of the present invention are compositions whose antigenic content is dependent on the antigens used in each of them, with HBsAg being an amount of antigen in a range between 5 and 300 micrograms per dose. , being in a proportion with co-administered antigens ranging from 5: 1 to 1: 5, whose value is dependent on the specific treatment considered.
- FIG. 1A Graph showing the kinetics of the anti-HBsAg IgG response in serum of immunized mice on days 0, 15, 30 and 90, with different commercial hepatitis B vaccines, including the Heberbiovac-HB vaccine which It contains the HBsAg obtained from its expression in Pichia pastoris and other vaccines whose HBsAg is produced in other hosts.
- 1 C IFN gamma secretory cell response after stimulation with murine mastocytoma p815 cells carrying the envelope peptide S28-39.
- Figure 3 Study of the immune response induced by combined HBsAg formulations for therapeutic use with a protein antigen from HIV-1.
- Figure 4 Study of the immune response induced by combined HBsAg formulations for therapeutic use with a protein antigen from HIV-1.
- Figure 6. CD14 receptor binding capacity.
- Group 1) HBsAg produced in Saccharomyces scerevisiae.
- Example 1 Comparison of the immunogenicity of different hepatitis B vaccines whose antigen comes from different hosts with respect to their ability to induce humoral and cellular responses.
- an immunization scheme was carried out in Balb / C mice. Five groups of 10 mice each, 8 to 12 weeks old, were immunized on days 0, 15, 30 and 90 with doses of 2 ⁇ g (micrograms) of HBsAg intramuscularly. Blood extractions were carried out 10 days after each immunization to assess the humoral response and after the third and fourth doses, 3 to 4 animals from each group were sacrificed to perform cell response studies, depending on the type of study.
- the immunization scheme groups were 1) the Heberbiovac HB vaccine, which contains the HBsAg antigen produced in Pichia pastoris, 2) the Shanvac B vaccine, also produced in Pichia pastoris but by another method 3) the Hepavax Gene Vaccine and 4) the Euvax B vaccine produced in Saccharomyces and Hansénula respectively.
- a fifth group was the placebo, mice that were only given aluminum hydroxide in PBS.
- the humoral immune response was evaluated by ELISA for the determination of total serum IgG.
- Serum IgG titers were tested two weeks after the second, third and fourth doses and also before the fourth dose.
- the results of IgG antibody response are shown in Figure 1 A.
- the lymphoproliferation assay is an indication of the splenocyte proliferation in spleen, in this case there is no selection of a specific cell group, although fundamentally for the time in which the assay is performed what is determined is the proliferation of T lymphocytes CD4 + memory. These CD4 + T lymphocytes that proliferated specifically after stimulation with the antigen are cooperative and can interact with B lymphocytes for the development of humoral response or with CD8 + T cells for cytotoxic response development. Ten days after the third dose, 3 mice from each group were sacrificed and an ELISPOT assay was carried out, the results of which are shown in Figure 1 C.
- HBsAg in alumina is capable of inducing a strong response of INF ⁇ secretion after restimulation with S 2 peptide 8-39 derived from HBsAg.
- a direct ELISPOT trial carried out showed a low response compared to that obtained after restimulation (results not shown).
- the results of Figure 1C show that the Heberbiovac HB vaccine has the ability to induce a higher frequency of INF ⁇ secreting cells in spleen of immunized animals compared to the rest of the vaccines studied.
- the secretion of INF ⁇ is indicative of the development of a Th1 cell response, of importance in the control of viral replication of chronic diseases including hepatitis B.
- this result shows that the cellular response that is obtained is superior to from the use of the Hepatitis B antigen produced in Pichia pastoris with respect to the antigens produced in other hosts, which is of great importance in the therapeutic use of this vaccine, given the correlation that in the case of Hepatitis B has the type of cellular response that is evaluated here - lymphoproliferative and secretion of IFN gamma.
- Example 2 Enhancement effect of the cellular response by HBsAg obtained by the described method.
- HBsAg in nasal immunizations as an antigen and at the same time as immunopotentiator of the specific cell-type response within therapeutic vaccines
- Female Balb / c mice CENPALAB, Cuba
- the animals were immunized in different groups by the intranasal route as follows: 1. PBS, 2. HBcAg + HBsAg, 3. CR3, 4. HBcAg + CR3, 5. HBsAg + CR3, 6. HBcAg + HBsAg + CR3.
- the CR3 antigen corresponds to a multiepitopic polypeptide obtained recombinantly and containing numerous HIV1 epitopic sequences specific for human T cells.
- the antigens were dissolved in PBS and dispensed in 50 ⁇ l (25 ⁇ l in each nostril). The following doses of 5, 5 and 10 ⁇ g per mouse of HBsAg (CIGB, Cuba), HBcAg (CIGB, Cuba) and CR3 (CIGB, Cuba), respectively, were used.
- the anti-CR3 specific IFN gamma secretory cell response of CD8 + lymphocytes was measured by spleen 10 days after the last inoculation as well as in total spleen lymphocytes.
- IFN ⁇ secretion by CD8 + lymphocytes was measured through an ELISPOT type assay using the P815CR3 line constitutively expressing the CR3 protein.
- the latter is processed intracellularly and presented in the context of mouse H-2 molecules belonging to MHC-I; since P815 mast cell cells do not express MHC-II molecules on their surface. It was shown that only the groups immunized with HBsAg + CR3 and HBcAg + HBsAg + CR3 had positive responses (Fig. 3A).
- Example 4 Use of HBsAg in therapeutic vaccines combined with HIV-1 immunogens by the parenteral route.
- female Balb / c mice CENPALAB, Cuba
- 6- were immunized 8 weeks of age, on days 0, 14, 35.
- the animals were immunized in different groups by the subcutaneous route as follows: 1) HBsAg, 2) CR3, 3) HBsAg + CR3, 4) HBsAg + HBcAg + CR3. All immunogens were adjuvant in 1 mg / ml aluminum phosphate.
- HBsAg CIGB, Cuba
- HBcAg CIGB, Cuba
- CR3 CIGB, Cuba
- the specific cellular response of IFN gamma secretory cells was measured by ELISPOT anti-CR3 in CD8 lymphocytes and in total lymphocytes in spleen 10 days after the last inoculation.
- the response was determined by evaluating IFN ⁇ secretion by CD8 + lymphocytes (Fig. 4A). This was measured through an ELISPOT type test using the P815CR3 line as detailed above.
- Group 2 was inoculated with 5 ⁇ g of the Co.120 protein.
- Group 3 was inoculated with the mixture of 5 ⁇ g of the Co.120 protein and 5 ⁇ g of HBsAg.
- Group 4 was immunized with 5 ⁇ g of HBsAg.
- the animals were challenged intraperitoneally with 10 6 plaque-forming units of a recombinant vaccinia virus for the HCV capsid antigen, 2 weeks after the last dose. The animals were sacrificed 5 days after the challenge and the ovaries were extracted and processed. Serial dilutions were made and BSC-40 cells were infected for 2 days to determine viral titer after crystal violet staining.
- Figure 5 shows the ovary viral titer of the animals of the different groups.
- HBsAg in parenteral immunizations as an antigen and at the same time as immunopotentiator of the type response specific cell within combined or simple therapeutic vaccines against chronic diseases
- co-administration experiments of HBsAg were developed using antigens of the viruses included in the following pathologies: Human Immunodeficiency Virus, we worked with attenuated viral antigens containing HIV1-1 sequences, with peptide antigens and with multi-epitope polypeptides; Human papillomavirus, worked with virus-like particles or HPV VLP 16, 18 and 33; Hepatitis C virus: antigens containing nucleocapsid and viral envelope antigen sequences were used as well as segments of non-structural regions; antigens from other pathologies that generate chronicity such as cancer were also administered, these were tumor associated antigens and tumor specific to liver, lung, breast and prostate cancer. In all these cases, an increase in the secretory activity of IFN gamma was
- Example 7 Studies of CD14 binding capacity of different batches of HBsAg obtained from Pichia pastoris by the method described in comparison to batches of HBsAg produced in other hosts.
- the analysis of HBV surface antigens obtained recombinantly from different hosts showed that there are among the same differences that influence their greater immunogenicity at the cellular level, as is the case of their ability to bind to the CD14 receptor present in macrophages and related to the development of immunological tolerance processes. It has been possible to verify, after the immunofluorometric analysis that there is a marked reduction in the capacity of binding to CD14 in the antigen that comes from the host yeast Pichia pastoris by the method described here, when compared with the antigen from Saccharomyces cerevisiae Fig. 6). This aspect influences the immunological behavior and at the same time justifies the differential immunological behavior of the antigens tested in the present invention.
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Abstract
Description
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002542680A CA2542680A1 (en) | 2003-10-20 | 2004-10-20 | Pharmaceutical compositions for therapeutic use |
US10/576,158 US20070275012A1 (en) | 2003-10-20 | 2004-10-20 | Pharmaceutical Compositions for Therapeutic Use |
MXPA06004387A MXPA06004387A (es) | 2003-10-20 | 2004-10-20 | Composiciones farmaceuticas para uso terapeutico. |
EP04762299A EP1676587A1 (en) | 2003-10-20 | 2004-10-20 | Pharmaceutical compositions for therapeutic use |
BRPI0415654-4A BRPI0415654A (pt) | 2003-10-20 | 2004-10-20 | composições farmacêuticas para uso terapêutico, uso do antìgeno de superfìcie do vìrus da hepatite b, e, método para o tratamento de infecções por vìrus de progressão crÈnica |
AU2004281098A AU2004281098B2 (en) | 2003-10-20 | 2004-10-20 | Pharmaceutical compositions for therapeutic use |
JP2006535932A JP2007509081A (ja) | 2003-10-20 | 2004-10-20 | 治療用の医薬組成物 |
Applications Claiming Priority (2)
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CU20030240A CU23405A1 (es) | 2003-10-20 | 2003-10-20 | Composiciones farmacéuticas para uso terapéutico |
CU2003-0240 | 2003-10-20 |
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WO2005037311A1 true WO2005037311A1 (es) | 2005-04-28 |
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PCT/CU2004/000011 WO2005037311A1 (es) | 2003-10-20 | 2004-10-20 | Composiciones farmacéuticas para uso terapéutico |
Country Status (14)
Country | Link |
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US (1) | US20070275012A1 (es) |
EP (1) | EP1676587A1 (es) |
JP (1) | JP2007509081A (es) |
KR (1) | KR20060117920A (es) |
CN (1) | CN1882359A (es) |
AR (1) | AR046063A1 (es) |
AU (1) | AU2004281098B2 (es) |
BR (1) | BRPI0415654A (es) |
CA (1) | CA2542680A1 (es) |
CU (1) | CU23405A1 (es) |
MX (1) | MXPA06004387A (es) |
RU (1) | RU2362586C2 (es) |
WO (1) | WO2005037311A1 (es) |
ZA (1) | ZA200603126B (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CU23740A1 (es) * | 2009-09-29 | 2011-12-28 | Ct Ingenieria Genetica Biotech | Método de obtención de una formulación de antígenos del virus de la hepatitis b |
SG11202002281YA (en) | 2017-10-05 | 2020-04-29 | Toko Yakuhin Kogyo Co Ltd | Nasal hepatitis b vaccine composition and method for producing same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0480525A2 (en) * | 1990-10-08 | 1992-04-15 | Centro De Ingenieria Genetica Y Biotecnologia | Method for obtaining recombinant surface antigen of hepatitis B virus (HEP B) of higher immunogenic capacity and use thereof in a vaccine preparation |
WO1999039736A2 (en) * | 1998-02-03 | 1999-08-12 | Yissum Research Development Company Of The Hebrew University Of Jerusalem | DELIVERY OF IMMUNOGENIC MOLECULES VIA HBsAg PARTICLES |
EP1136077A1 (en) * | 1998-12-02 | 2001-09-26 | Centro De Ingenieria Genetica Y Biotecnologia (Cigb) | Preparations containing virus-like particles as immunopotentiators administered through the mucosa |
WO2002043756A2 (es) * | 2000-12-01 | 2002-06-06 | Centro De Ingenieria Genetica Y Biotecnologia | Método de obtención de agregados antigénicos y su uso en formulaciones |
WO2003061692A2 (es) * | 2002-01-24 | 2003-07-31 | Centro De Ingenieria Genetica Y Biotecnologia | Antígeno de superficie del virus de la hepatitis b como inmunopotenciador mucosal, formulaciones resultantes. |
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2003
- 2003-10-20 CU CU20030240A patent/CU23405A1/es unknown
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2004
- 2004-10-08 AR ARP040103654A patent/AR046063A1/es unknown
- 2004-10-20 US US10/576,158 patent/US20070275012A1/en not_active Abandoned
- 2004-10-20 MX MXPA06004387A patent/MXPA06004387A/es unknown
- 2004-10-20 CA CA002542680A patent/CA2542680A1/en not_active Abandoned
- 2004-10-20 AU AU2004281098A patent/AU2004281098B2/en not_active Ceased
- 2004-10-20 CN CNA2004800341532A patent/CN1882359A/zh active Pending
- 2004-10-20 KR KR1020067008110A patent/KR20060117920A/ko not_active Application Discontinuation
- 2004-10-20 BR BRPI0415654-4A patent/BRPI0415654A/pt not_active IP Right Cessation
- 2004-10-20 EP EP04762299A patent/EP1676587A1/en not_active Withdrawn
- 2004-10-20 RU RU2006117308/15A patent/RU2362586C2/ru active
- 2004-10-20 JP JP2006535932A patent/JP2007509081A/ja active Pending
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Also Published As
Publication number | Publication date |
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KR20060117920A (ko) | 2006-11-17 |
AU2004281098A1 (en) | 2005-04-28 |
CU23405A1 (es) | 2009-08-04 |
CA2542680A1 (en) | 2005-04-28 |
US20070275012A1 (en) | 2007-11-29 |
JP2007509081A (ja) | 2007-04-12 |
BRPI0415654A (pt) | 2006-12-19 |
ZA200603126B (en) | 2007-02-28 |
AR046063A1 (es) | 2005-11-23 |
EP1676587A1 (en) | 2006-07-05 |
RU2362586C2 (ru) | 2009-07-27 |
AU2004281098B2 (en) | 2009-06-25 |
RU2006117308A (ru) | 2007-12-10 |
MXPA06004387A (es) | 2006-06-14 |
CN1882359A (zh) | 2006-12-20 |
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