JP5500751B2 - 肝移植後の再感染防御剤 - Google Patents
肝移植後の再感染防御剤 Download PDFInfo
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- JP5500751B2 JP5500751B2 JP2001577974A JP2001577974A JP5500751B2 JP 5500751 B2 JP5500751 B2 JP 5500751B2 JP 2001577974 A JP2001577974 A JP 2001577974A JP 2001577974 A JP2001577974 A JP 2001577974A JP 5500751 B2 JP5500751 B2 JP 5500751B2
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- liver transplantation
- reinfection
- ifn
- hepatitis
- transplantation
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- 238000002054 transplantation Methods 0.000 title claims description 28
- 210000004185 liver Anatomy 0.000 title claims description 26
- 208000035415 Reinfection Diseases 0.000 title claims description 23
- 230000001012 protector Effects 0.000 title 1
- 108090000467 Interferon-beta Proteins 0.000 claims description 20
- 239000003223 protective agent Substances 0.000 claims description 9
- 206010016654 Fibrosis Diseases 0.000 claims description 8
- 241000711549 Hepacivirus C Species 0.000 claims description 8
- 230000007882 cirrhosis Effects 0.000 claims description 8
- 208000019425 cirrhosis of liver Diseases 0.000 claims description 8
- 206010073071 hepatocellular carcinoma Diseases 0.000 claims description 8
- 231100000844 hepatocellular carcinoma Toxicity 0.000 claims description 8
- 239000004480 active ingredient Substances 0.000 claims description 6
- 102000003996 Interferon-beta Human genes 0.000 claims description 3
- 229960001388 interferon-beta Drugs 0.000 claims description 3
- 208000007204 Brain death Diseases 0.000 claims description 2
- 102100026720 Interferon beta Human genes 0.000 description 17
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- 206010008909 Chronic Hepatitis Diseases 0.000 description 4
- 201000011510 cancer Diseases 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 208000006454 hepatitis Diseases 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 102000006992 Interferon-alpha Human genes 0.000 description 2
- 108010047761 Interferon-alpha Proteins 0.000 description 2
- 102000014150 Interferons Human genes 0.000 description 2
- 108010050904 Interferons Proteins 0.000 description 2
- 208000001940 Massive Hepatic Necrosis Diseases 0.000 description 2
- IWUCXVSUMQZMFG-AFCXAGJDSA-N Ribavirin Chemical compound N1=C(C(=O)N)N=CN1[C@H]1[C@H](O)[C@H](O)[C@@H](CO)O1 IWUCXVSUMQZMFG-AFCXAGJDSA-N 0.000 description 2
- 230000001772 anti-angiogenic effect Effects 0.000 description 2
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- 230000002401 inhibitory effect Effects 0.000 description 2
- 229940079322 interferon Drugs 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 229960000329 ribavirin Drugs 0.000 description 2
- HZCAHMRRMINHDJ-DBRKOABJSA-N ribavirin Natural products O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1N1N=CN=C1 HZCAHMRRMINHDJ-DBRKOABJSA-N 0.000 description 2
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- 108090000379 Fibroblast growth factor 2 Proteins 0.000 description 1
- 208000005176 Hepatitis C Diseases 0.000 description 1
- 206010019755 Hepatitis chronic active Diseases 0.000 description 1
- 102000008100 Human Serum Albumin Human genes 0.000 description 1
- 108091006905 Human Serum Albumin Proteins 0.000 description 1
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- 231100000753 hepatic injury Toxicity 0.000 description 1
- 208000010710 hepatitis C virus infection Diseases 0.000 description 1
- 229960003444 immunosuppressant agent Drugs 0.000 description 1
- 230000001861 immunosuppressant effect Effects 0.000 description 1
- 229940125721 immunosuppressive agent Drugs 0.000 description 1
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- OHDXDNUPVVYWOV-UHFFFAOYSA-N n-methyl-1-(2-naphthalen-1-ylsulfanylphenyl)methanamine Chemical compound CNCC1=CC=CC=C1SC1=CC=CC2=CC=CC=C12 OHDXDNUPVVYWOV-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/19—Cytokines; Lymphokines; Interferons
- A61K38/21—Interferons [IFN]
- A61K38/215—IFN-beta
-
- 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
-
- 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
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Gastroenterology & Hepatology (AREA)
- Epidemiology (AREA)
- Virology (AREA)
- Communicable Diseases (AREA)
- Oncology (AREA)
- Zoology (AREA)
- Immunology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Molecular Biology (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Description
一方、インターフェロン(以下「IFN」という)には血管新生抑制作用、血管誘導因子(bFGF)産生抑制作用および腫瘍細胞の浸潤抑制作用などが認められ(Sidky YA他:Inhibition of Angiogenesis by Interferon:Effect on Tumor−and Lymphocyte−induced Vascular Response.Cancer Res.47,5155−5161(1987))、(Gohji K他:Human Recombinant Interferons−Beta and−Gamma Decrease Gelatinase Production and Invasion by Human KG−2 Renalcarcinoma Cells.Int.J.Cancer 58,380−384(1994))、また、IFNにはC型肝炎ウイルスに対する治療効果が知られている(鈴木宏他:C型慢性活動性肝炎に対するインターフェロン−β療法−ウイルス量別用法比較試験−.肝胆膵38,571−589,1999)が、肝移植後の再感染防御効果については知られていない。
肝移植後の再感染の予防策としては前述の免疫抑制剤の減量があるが、その効果は不十分であり、肝移植後もC型肝炎ウイルスの再感染が起こり慢性肝炎、肝硬変への進展、あるいは術後数年以内に劇症肝炎に至ることがある。また術後のIFN−αとリバビリンの併用療法では、有効率が不十分であり、再感染を十分に防御する治療法が待ち望まれている。
天然型IFN−βは腫瘍化細胞株およびウイルスを用いないことを特徴とする方法により産生させることができる。培養液中に産生されたIFN−βは、一般的には低濃度であり、IFN−βの他に細胞由来または添加物由来の多くの夾雑物を含むため、ブルー色素を結合させた不溶性担体および金属キレート基結合担体を用いるクロマトグラフィーによる方法により濃縮精製されるが、その濃縮精製方法はこれに限定されるものではない。
本発明ではC型肝硬変合併肝細胞がん患者を対象として生体肝移植前にIFN−βを投与し、血中のC型肝炎ウイルスが移植後も消失持続し、再感染が認められないことより、IFN−βの肝移植後の再感染防御効果を確認した。この結果から、本発明の再感染防御剤の対象は、C型肝炎ウイルスに起因する肝硬変、肝細胞がんの患者で、生体肝移植、脳死肝移植等の肝移植が施行されるものとなる。IFN−βの投与は肝移植の前後を問わないが、特に肝移植前に本剤を投与することが好ましい。さらにまた本発明は術後の慢性肝炎、肝硬変への進展、あるいは術後数年以内の劇症肝炎への進展の予防への適用も考えられる。
本発明の再感染防御剤には、必要により安定剤を添加することができる。安定剤としては、ヒト血清アルブミン、特開昭58−92619号に開示されたポリオール、特開昭58−92621号に開示された有機酸緩衝剤などを例示することができる。さらに投与方法に応じて常用の担体などを適宜混合して製剤化してもよい。剤形としては、注射剤が用いられるが、これに限定されるものではなく、カプセル剤、経鼻剤、座薬、経口薬、軟膏剤などの種々の形態のものを用いても良い。本発明には、このように肝移植後の再感染防御剤を製造するためにIFN−βを使用する態様も含まれる。
本発明の再感染防御方法は、以上のようにして製造されたIFN−βを有効成分とする薬剤を患者に投与することを要件とするものである。
本発明の再感染防御剤を臨床に使用する場合、その投与量は、投与対象、投与方法、症状などに応じ適宜決定されるが、好ましくは300〜600万単位/日の範囲で投与される。
なお、本出願では肝細胞がんという名称を用いているが、本邦の肝がんの95%以上が肝細胞由来の肝細胞がんであるので、肝臓学会でも示しているように一般的に肝がんという場合は肝細胞がんのことを意味する。
Claims (2)
- インターフェロン−βを有効成分とし、C型肝硬変あるいはC型肝細胞がんを対象とする肝移植前に投与する肝移植後のC型肝炎ウイルス再感染防御剤。
- 肝移植が生体肝移植、脳死肝移植である請求項1記載の肝移植後のC型肝炎ウイルス再感染防御剤。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001577974A JP5500751B2 (ja) | 2000-04-20 | 2001-04-20 | 肝移植後の再感染防御剤 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000119174 | 2000-04-20 | ||
| JP2000119174 | 2000-04-20 | ||
| PCT/JP2001/003385 WO2001080877A1 (fr) | 2000-04-20 | 2001-04-20 | Mesures preventives contre une reinfection apres une transplantation hepatique |
| JP2001577974A JP5500751B2 (ja) | 2000-04-20 | 2001-04-20 | 肝移植後の再感染防御剤 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP5500751B2 true JP5500751B2 (ja) | 2014-05-21 |
Family
ID=18630203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001577974A Expired - Fee Related JP5500751B2 (ja) | 2000-04-20 | 2001-04-20 | 肝移植後の再感染防御剤 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US20030228321A1 (ja) |
| EP (1) | EP1285663B1 (ja) |
| JP (1) | JP5500751B2 (ja) |
| CA (1) | CA2405547C (ja) |
| DE (1) | DE60135113D1 (ja) |
| ES (1) | ES2309060T3 (ja) |
| WO (1) | WO2001080877A1 (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000007578A (ja) * | 1998-06-24 | 2000-01-11 | Hiroaki Okushin | C型肝炎ウイルスの陰性化のための投薬システム |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11171788A (ja) * | 1997-12-11 | 1999-06-29 | Toray Ind Inc | C型肝細胞癌再発抑制剤 |
| JP2000007577A (ja) * | 1998-06-24 | 2000-01-11 | Hiroaki Okushin | B型慢性肝炎治療剤 |
-
2001
- 2001-04-20 US US10/258,206 patent/US20030228321A1/en not_active Abandoned
- 2001-04-20 DE DE60135113T patent/DE60135113D1/de not_active Expired - Lifetime
- 2001-04-20 WO PCT/JP2001/003385 patent/WO2001080877A1/ja active IP Right Grant
- 2001-04-20 CA CA2405547A patent/CA2405547C/en not_active Expired - Fee Related
- 2001-04-20 ES ES01921938T patent/ES2309060T3/es not_active Expired - Lifetime
- 2001-04-20 EP EP01921938A patent/EP1285663B1/en not_active Expired - Lifetime
- 2001-04-20 JP JP2001577974A patent/JP5500751B2/ja not_active Expired - Fee Related
-
2005
- 2005-01-28 US US11/046,296 patent/US20050152875A1/en not_active Abandoned
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000007578A (ja) * | 1998-06-24 | 2000-01-11 | Hiroaki Okushin | C型肝炎ウイルスの陰性化のための投薬システム |
Non-Patent Citations (1)
| Title |
|---|
| JPN6011001789, 福本巧 外2名, "特集 ウイルス性肝炎治療の新しい展開 『肝移植におけるC型肝炎再感染の問題点』", Pharma. Medica., 199912, Vol.17,No.12, P.73−78, JP, メディカルレビュー社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60135113D1 (de) | 2008-09-11 |
| WO2001080877A1 (fr) | 2001-11-01 |
| EP1285663A1 (en) | 2003-02-26 |
| US20030228321A1 (en) | 2003-12-11 |
| EP1285663B1 (en) | 2008-07-30 |
| CA2405547C (en) | 2011-06-21 |
| US20050152875A1 (en) | 2005-07-14 |
| CA2405547A1 (en) | 2001-11-01 |
| EP1285663A4 (en) | 2005-03-30 |
| ES2309060T3 (es) | 2008-12-16 |
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