WO2011145808A2 - 클레부딘 및 아데포비어 디피복실을 함유하는 만성 b형 간염 치료용 조성물 - Google Patents
클레부딘 및 아데포비어 디피복실을 함유하는 만성 b형 간염 치료용 조성물 Download PDFInfo
- Publication number
- WO2011145808A2 WO2011145808A2 PCT/KR2011/002747 KR2011002747W WO2011145808A2 WO 2011145808 A2 WO2011145808 A2 WO 2011145808A2 KR 2011002747 W KR2011002747 W KR 2011002747W WO 2011145808 A2 WO2011145808 A2 WO 2011145808A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clevudine
- virus
- chronic hepatitis
- composition
- adefovir difficile
- Prior art date
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- GBBJCSTXCAQSSJ-XQXXSGGOSA-N clevudine Chemical compound O=C1NC(=O)C(C)=CN1[C@@H]1[C@H](F)[C@@H](O)[C@H](CO)O1 GBBJCSTXCAQSSJ-XQXXSGGOSA-N 0.000 title claims abstract description 77
- 229960005338 clevudine Drugs 0.000 title claims abstract description 77
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Images
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
- A61K31/66—Phosphorus compounds
- A61K31/675—Phosphorus compounds having nitrogen as a ring hetero atom, e.g. pyridoxal phosphate
-
- 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
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
- A61K31/7052—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides
- A61K31/706—Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
-
- 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
Definitions
- the present invention relates to a composition for treating chronic hepatitis B containing clevudine and adefovir difficile, wherein the combination of clevudine and adefovir difficile of the present invention maximizes the effect of treating hepatitis B virus infection and resistant to resistant viruses compared to a single component formulation. Show mutual inhibition.
- Hepatitis refers to a condition in which liver cells are inflamed and liver cells are destroyed, and virus infection is the most frequent etiology.
- Hepatitis B which is the highest frequency of viral hepatitis, is scientifically defined as the case of viral surface antigen (HBsAg) lasting more than six months.
- Hepatitis B virus (HBV) causes replication after intracellular infection and then releases HbeAg, called surface and envelope antigens in the blood, and a virion that contains its DNA, so these antigens are hepatitis It is used as an indicator of diagnosis.
- Acute hepatitis refers to a condition in which hepatitis persists for more than 6 months in chronic hepatitis, whereas clinical symptoms such as hepatic deterioration recover or heal within 3 to 4 months after hepatitis. About 25% of people will die from primary HCC or cirrhosis.
- Nucleoside 1- (2'-deoxy-2'-fluoro-beta-L-arabinofuranosyl) thymine (hereinafter abbreviated as "clevudine”) is sold under the trade name Levovir, and clevudine is administered In the case of chronic hepatitis B patients, it is known that the virus suppression effect persists even after the end of the administration because cccDNA is reduced in hepatocytes.
- Adefovir difficile an antiviral drug
- HBV hepatitis virus
- Adefovir difficile in natural state is known to have two forms, amorphism (crystal) and crystal (crystal), adefovir difficile has a problem of deterioration in stability because the decomposition product is generated by hydrolysis by water.
- PCT patent application International Publication No. W00035460A proposes a more stable pharmaceutical composition of adefovir difficile, including anhydrous crystalline adefovir difficile and dihydrate crystalline adefovir difficile and alkaline excipients. have.
- HBV antiviral agents Concomitant administration of antiviral agents is necessary for effective long-term treatment of chronic hepatitis B patients.
- the biggest problem with these HBV antiviral agents is the emergence of drug resistant viruses after a period of administration.
- the most well known drug resistant viruses are lamivudine resistant viruses, which include the rtL180M mutation of the HBV polymerase B domain portion and the rtM204I / V mutation of the C domain portion.
- lamivudine resistant viruses include the rtL180M mutation of the HBV polymerase B domain portion and the rtM204I / V mutation of the C domain portion.
- the emergence of these resistant viruses increases the concentration of virus in the blood and rapidly increases ALT / AST levels, which threatens the patient's condition, requiring the administration of other drugs sensitive to these resistant viruses.
- the present inventors have attempted to develop a novel composition having an inhibitory action against drug-resistant mutant viruses while maximizing the treatment effect of hepatitis B virus infection through concurrent administration of an HBV antiviral agent.
- a preparation of cleavine and adefovir difficile in a 3: 1 to 1: 1 weight ratio was prepared.
- the composition of clevudine and adefovir difficile compound was significantly improved in treating hepatitis B virus infection compared to a single agent. It was found that this effect was further increased as the concentration of clebudine in the composition was increased.
- the combination composition according to the present invention exhibits a synergistic effect on the mutant virus having lamivudine and adefovir resistance, supporting that the composition of the present invention has an excellent inhibitory effect against the mutant virus.
- the dose of the pharmaceutical composition for treating chronic hepatitis B virus infection as a clevudine and adefovir difficile complex according to the present invention can be adjusted in various ways according to the age, symptoms, dosage form or type of drug of the patient, preferably It is 5-100 mg as clevudine, More preferably, it is 10-30 mg, Preferably it is 5-30 mg, More preferably, it is 5-10 mg as adefovir difficile.
- composition according to the present invention can be prepared using conventional pharmaceutically acceptable excipients, etc., can be used a conventional manufacturing method to achieve high bioavailability.
- Pharmaceutically acceptable carriers according to the invention are organic or inorganic carriers which can be administered with the active ingredient and include those for solid pharmaceutical formulations, eg, excipients, suspending agents, binders and disintegrating agents and the like.
- Preferred excipients are lactose, sugar, D-mannitol, D-sorbitol, corn starch, dextrin, crystalline cellulose, low-substituted hydroxypropyl cellulose, sodium carboxymethyl cellulose (CMC-Na), gum arabic, dextrin, amylopectin, hard anhydrous Light anhydrous silicic acid, synthetic aluminum silicate, aluminum-magnesium silicate, etc. can be illustrated.
- Preferred lubricants include magnesium stearate, calcium stearate, talc and silica gel.
- Preferred binders include povidone, pregelatinized starch, corn starch, sucrose, glutin, gum arabic, methyl cellulose, carboxymethyl cellulose, sodium carboxymethyl cellulose, crystalline cellulose, sugar, hydroxypropyl cellulose and hydroxypropylmethyl cellulose (HPMC) etc. are mentioned.
- Clevudine and adefovir difficile complex composition of the present invention exhibits the effect of maximizing the treatment effect of hepatitis B virus infection and mutual inhibitory effect against resistant virus compared to a single agent.
- 1 is a Southern Hybridization result showing the antiviral effect of clevudine, adefovir, and clevudine and adefovir difficile complex against HBV wild type virus.
- Figure 2 is a Phosphor Imager result showing the antiviral effect of clevudine, adefovir, and clevudine and adefovir difficile complex against HBV wild type virus.
- FIG. 4 is a Phosphor Imager result showing the antiviral effect of clevudine, adefovir, and clevudine and adefovir difficile combinations on patient derived rtM204I mutant virus.
- Adefovir difficile, clevudine, sodium glyconate starch, povidone, and D-mannitol were mixed with apples using an 18 mesh sieve, granulated with water, and dried to not exceed 2% by water measurement (KF method). .
- the dried product was apples in a 25 mesh sieve, followed by mixing talc and magnesium stearate to directly compress the mixture using an 8 mm diameter flat circular punch pin to prepare a 200 mg tablet.
- Adefovir difficile, clevudine, sodium glyconate starch, povidone, and D-mannitol were mixed with apples using an 18 mesh sieve, granulated with water, and dried to not exceed 2% by water measurement (KF method). .
- the dried product was apples in a 25 mesh sieve, followed by mixing talc and magnesium stearate to directly compress the mixture using an 8 mm diameter flat circular punch pin to prepare a 200 mg tablet.
- Example 3 Tablets containing clevudine and adefovir difficile
- Adefovir difficile, clevudine, sodium glyconate starch, povidone, and D-mannitol were mixed with apples using an 18 mesh sieve, granulated with water, and dried to not exceed 2% by water measurement (KF method). 200 mg tablets were prepared by apneaing the dried product with a 25 mesh sieve and then mixing talc and magnesium stearate and directly compressing the mixture using a flat circular punch pin of 8 mm diameter.
- the Huh-7 cell line was incubated with 4 ⁇ 10 5 cells / well in 6-well plates for 70-80% confluence. Cultures were removed from stabilized cells 2 hours prior to transformation, and serum-free medium in which clevudine, adefovir difficile, or clevudine / adefovir difficile complex was diluted to each concentration was exchanged for 2 ml / well, followed by lipofectamine ( lipofectamine, Invitrogen) was used to transfect HBV wild-type DNA to 2 ⁇ g per well.
- lipofectamine lipofectamine, Invitrogen
- the drug treatment concentration was 0.9 ⁇ M of clevudine and 6.3 ⁇ M of adefovir difficile, and in the case of the combination, clevudine and adefovir difficile were treated together at 0.9 ⁇ M + 6.3 ⁇ M or 1.8 ⁇ M + 6.3 ⁇ M. About 5 hours after transfection, the drug was replaced with the treated culture and every 24 hours with the drug treated culture.
- the isolated HBV DNA was electrophoresed on a 1% agarose gel to capillary transfer to the positively charged nylon membrane. 32 P-labeled gel-purified full-length HBV fragments were transferred to the transferred membranes, hybridized and washed with SSC buffer and then exposed to X-ray films. Phosphor Imager was used to determine the antiviral effects of clevudine and adefovir difficile complexes against clevudine alone or adefovir difficile treatment groups.
- FIG. 1 is a Southern Hybridization result showing the antiviral effect of clevudine, adefovir, and clevudine and adefovir difficile complex against HBV wild type virus
- FIG. 2 is a Phosphor Imager result.
- the adefovir difficile and clevudine combination according to the present invention have an effective antiviral effect against HBV wild type virus compared to a single agent.
- the HBV wild type virus replication rate of the control group not treated with the drug was 100%
- the HBV wild type virus replication rate was 65.91% and 55.53% in the clevudine-treated group and adefovir difficile alone-treated group, respectively.
- the relative replication rate of one combination was 37.44%.
- the HBV wild-type virus replication inhibition rate of the combination treatment group was 62.56%, which was about 2 times the antiviral effect compared to 34.09% of the clevudine monotherapy group. Can be seen as much better.
- the Huh-7 cell line was incubated at 4 ⁇ 10 5 cells / well in 6-well plates for 70-80% confluence. Cultures were removed from stabilized cells 2 hours prior to transformation, and serum-free medium in which clevudine, adefovir difficile, or clevudine / adefovir difficile complex was diluted to each concentration was exchanged for 2 ml / well, followed by lipofectamine ( lipofectamine, Invitrogen) was used to transfect the HBV mutant DNA to 2 ⁇ g per well.
- lipofectamine lipofectamine, Invitrogen
- the isolated HBV DNA was electrophoresed on a 1% agarose gel to capillary transfer to the positively charged nylon membrane. 32 P-labeled gel-purified full-length HBV fragments were transferred to the transferred membranes, hybridized and washed with SSC buffer and then exposed to X-ray films. Phosphor Imager was used to determine the antiviral effects of clevudine and adefovir difficile complexes against clevudine alone or adefovir difficile treatment groups.
- Figure 3 is a Southern Hybridization result showing the antiviral effect of clevudine, adefovir, and clevudine and adefovir difficile complex against patient-derived rtM204I mutant virus
- Figure 4 is a Phosphor Imager result.
- the adefovir difficile and clevudine combination according to the present invention have an effective antiviral effect on the patient-derived rtM204I mutation compared to the single agent.
- the mutant virus replication rate of the patient-free control group was 100%
- the mutant virus replication rate was 87.43% and 31.17% in the clevudine-treated group and the adefovir difficile-only group, respectively.
- the relative replication rate of the treated composite was 24.49%.
- the mutant virus replication rate was significantly reduced to 13.69% in the combination of twice the concentration of clevudine.
- the inhibitory rate of mutant virus replication in the combination treatment group was 75.51% or 86.31%, which is much better than 68.83% of the adefovir alone treatment group known to be effective against mutant viruses.
- the combined therapeutic effect of the two drugs for the effective treatment of patients with chronic hepatitis B is a new therapeutic strategy that can be applied in the clinic, but the combination of clevudine and adefovir difficile has not been studied yet.
- Clevudine and adefovir difficile complex according to the present invention was tested as follows to determine the antiviral effect on chronic hepatitis B patients.
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Abstract
Description
Claims (9)
- 클레부딘(Clevudine) 및 아데포비어 디피복실(Adefovir dipivoxil)를 함유하는 만성 B형 간염 바이러스 감염증 치료용 조성물.
- 제 1 항에 있어서, 클레부딘 5 ㎎ 내지 100 ㎎ 및 아데포비어 디피복실 5 ㎎ 내지 30 ㎎을 함유하는 만성 B형 간염 바이러스 감염증 치료용 조성물.
- 제 2 항에 있어서, 클레부딘 10 ㎎ 내지 30 ㎎ 및 아데포비어 디피복실 5 ㎎ 내지 10 ㎎을 함유하는 만성 B형 간염 바이러스 감염증 치료용 조성물.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 만성 B형 간염 바이러스가 약제 내성 바이러스인 것을 특징으로 하는 만성 B형 간염 바이러스 감염증 치료용 조성물.
- 제 4 항에 있어서, 약제 내성 바이러스가 라미부딘 내성 바이러스인 것을 특징으로 하는 만성 B형 간염 바이러스 감염증 치료용 조성물.
- 제 5 항에 있어서, 라미부딘 내성 바이러스가 rtL180M, rtM204I 또는 rtM204V 변이를 나타내는 바이러스인 것을 특징으로 하는 만성 B형 간염 바이러스 감염증 치료용 조성물.
- 제 4 항에 있어서, 약제 내성 바이러스가 아데포비어 디피복실 내성 바이러스인 것을 특징으로 하는 만성 B형 간염 바이러스 감염증 치료용 조성물.
- 제 7 항에 있어서, 아데포비어 디피복실 내성 바이러스가 rtA181V, rtA181T 또는 rtN236T 변이를 나타내는 바이러스인 것을 특징으로 하는 만성 B형 간염 바이러스 감염증 치료용 조성물.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 만성 B형 간염 바이러스가 야생형 B형 간염 바이러스(wild type Hepatitis B virus)인 것을 특징으로 하는 만성 B형 간염 바이러스 감염증 치료용 조성물.
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US13/697,667 US20130059812A1 (en) | 2009-05-25 | 2011-04-18 | Composition for treating chronic hepatitis b, containing clevudine and adefovir dipivoxil |
SG2012083465A SG185545A1 (en) | 2010-05-18 | 2011-04-18 | Composition for treating chronic hepatitis b, containing clevudine and adefovir dipivoxil |
PH1/2012/502210A PH12012502210A1 (en) | 2010-05-18 | 2011-04-18 | Composition for treating chronic hepatitis b, containing clevudine and adefovir dipivoxil |
CN201180024843XA CN102917706A (zh) | 2010-05-18 | 2011-04-18 | 含有克拉夫定及阿德福韦酯的用于治疗慢性乙型肝炎的组合物 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20030158150A1 (en) * | 1998-11-02 | 2003-08-21 | Triangle Pharmaceuticals, Inc. | Combination therapy to treat hepatitis B virus |
US20050196379A1 (en) * | 2002-07-15 | 2005-09-08 | Furman Philip A. | Combination therapies with L-FMAU for the treatment of hepatitis B virus infection |
US20090169504A1 (en) * | 2006-12-28 | 2009-07-02 | Idenix Pharmaceuticals, Inc | Compounds and Pharmaceutical compositions for the treatment of Viral infections |
-
2011
- 2011-04-18 WO PCT/KR2011/002747 patent/WO2011145808A2/ko active Application Filing
- 2011-04-18 PH PH1/2012/502210A patent/PH12012502210A1/en unknown
- 2011-04-18 CN CN201180024843XA patent/CN102917706A/zh active Pending
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030158150A1 (en) * | 1998-11-02 | 2003-08-21 | Triangle Pharmaceuticals, Inc. | Combination therapy to treat hepatitis B virus |
US20050196379A1 (en) * | 2002-07-15 | 2005-09-08 | Furman Philip A. | Combination therapies with L-FMAU for the treatment of hepatitis B virus infection |
US20090169504A1 (en) * | 2006-12-28 | 2009-07-02 | Idenix Pharmaceuticals, Inc | Compounds and Pharmaceutical compositions for the treatment of Viral infections |
Non-Patent Citations (3)
Title |
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E. D. CLERCQ: 'Perspectives for the treatment of hepatitis B virus infections' INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS vol. 12, 1999, pages 81 - 95 * |
IM , HYEONG JUN: 'Management of Antiviral-Resistant Chronic Hepatitis B Virus Infection' JOURNAL OF THE KOREAN SOCIETY OF GASTROENTEROLOGY vol. 51, 2008, pages 346 - 359 * |
M.-N. BRUNELLE ET AL.: 'Susceptibility to antivirals of a human HBV strain with mutations conferring resistance to both lamivudine and adefovir' HEPATOLOGY. vol. 41, 2005, pages 1391 - 1398 * |
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WO2011145808A3 (ko) | 2012-02-23 |
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