JP2000515514A - 放射性金属元素結合ペプチドの類似化合物 - Google Patents
放射性金属元素結合ペプチドの類似化合物Info
- Publication number
- JP2000515514A JP2000515514A JP10506171A JP50617198A JP2000515514A JP 2000515514 A JP2000515514 A JP 2000515514A JP 10506171 A JP10506171 A JP 10506171A JP 50617198 A JP50617198 A JP 50617198A JP 2000515514 A JP2000515514 A JP 2000515514A
- Authority
- JP
- Japan
- Prior art keywords
- peptide
- che1
- group
- substituted
- cfw
- 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.)
- Granted
Links
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
- A61K51/02—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by the carrier, i.e. characterised by the agent or material covalently linked or complexing the radioactive nucleus
- A61K51/04—Organic compounds
- A61K51/08—Peptides, e.g. proteins, carriers being peptides, polyamino acids, proteins
- A61K51/088—Peptides, e.g. proteins, carriers being peptides, polyamino acids, proteins conjugates with carriers being peptides, polyamino acids or proteins
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
- A61K51/02—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by the carrier, i.e. characterised by the agent or material covalently linked or complexing the radioactive nucleus
- A61K51/04—Organic compounds
- A61K51/08—Peptides, e.g. proteins, carriers being peptides, polyamino acids, proteins
- A61K51/083—Peptides, e.g. proteins, carriers being peptides, polyamino acids, proteins the peptide being octreotide or a somatostatin-receptor-binding peptide
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2123/00—Preparations for testing in vivo
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- Peptides Or Proteins (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.放射性金属元素結合部分を含むペプチドにおいて、該結合部分が、次の構 造式: を含み、ここで、R1、R2、またはR3の少なくとも一つがHであることを条件 として、R1、R2、およびR3が、H、低級アルキル基、置換された低級アルキ ル基、シクロアルキル基、置換されたシクロアルキル基、ヘテロシクロアルキル 基、アリール基、置換されたアリール基、ヘテロアリール基、置換されたヘテロ アリール基、アルカリル基、および、ペプチド合成条件下で除去することができ る保護基からなる群より独立に選択され、 R4、R5、R6、R7、R8、R9、およびR10が、H、低級アルキル基、置換さ れた低級アルキル基、アリール基、および置換されたアリール基からなる群より 独立に選択されるか、または、選択的には、R4とR6が、直接的な結合を形成し 、また、R8とR9が一緒に、またはR7とR9が一緒に、シクロアルキル環、また は置換されたシクロアルキル環を形成することができ、また、 NR10が、該ペプチドのN末端に位置するか、または、該ペプチドのアミノ酸 側鎖の上に存在しているペプチド。 2.R1がHである、請求項1記載のペプチド。 3.R3がHである、請求項1記載のペプチド。 4.R4がHである、請求項1記載のペプチド。 5.R4とR6が、一緒に直接的な結合を形成する、請求項1記載のペプチド。 6.R5がHである、請求項5記載のペプチド。 7.NR10が、該ペプチドのN末端に位置している、請求項1記載のペプチド 。 8.NR10が、該ペプチドのアミノ酸側鎖上に存在している、請求項1記載の ペプチド。 9.R2が、低級アルキル基、または置換された、もしくは非置換のフェニル 基である、請求項2記載のペプチド。 10.R2がHである、請求項9記載のペプチド。 11.R3がHである、請求項10記載のペプチド。 12.R4とR6が、一緒に直接的な結合を形成する、請求項11記載のペプチ ド。 13.R3がHである、請求項12記載のペプチド。 14.R7、R8、およびR9のそれぞれがHである、請求項13記載のぺプチド 。 15.R2がフェニル基である、請求項14記載のペプチド。 16.R2がメチル基である、請求項14記載のペプチド。 17.R8およびR9がメチル基である、請求項1記載のペプチド。 18.さらに、結合した金属元素を含む、請求項1記載のペプチド。 19.該金属元素が、99mTc、186Re、および188Reからなる群より選択 される、請求項18記載のペプチド。 20.金属元素をキレートする組成物を調製する方法において、放射性金属元 素結合部分を含むペプチド溶液をスズイオンと接触させ、該結合部分が、構造式 を含み、ここで、R1、R2、またはR3の少なくとも一つがHであることを条件 として、R1、R2、およびR3が、H、低級アルキル基、置換された低級アルキ ル基、シクロアルキル基、置換されたシクロアルキル基、ヘテロシクロアルキル 基、アリール基、置換されたアリール基、ヘテロアリール基、置換されたヘテロ アリール基、アルカリル基、および、ペプチド合成条件下で除去することができ る保護基からなる群より独立に選択され、 R4、R5、R6、R7、R8、R9、およびR10が、H、低級アルキル基、置換さ れた低級アルキル基、アリール基、および置換されたアリール基からなる群より 独立に選択されるか、または、選択的には、R4とR6が、直接的な結合を形成し 、また、R8とR9が一緒に、またはR7とR9が一緒に、シクロアルキル環、また は置換されたシクロアルキル環を形成することができ、また、 NR10が、該ペプチドのN末端に位置するか、または、該ペプチドのアミノ酸 側鎖の上に存在しており、 さらに、該溶液を、放射性核種に接触させて、放射性標識されたペプチドを回 収する方法。 21.該金属元素が、99mTc、186Re、および188Reからなる群より選択 される、請求項20記載の方法。 22.腫瘍、感染性病変、心筋梗塞、血栓、アテローム硬化斑、または正常な 器官もしくは組織を画像化する方法において、放射性標識されたペプチドを、薬 学的に許容できる担体とともに、人間の患者に投与し、該放射性標識ペプチドが 局在して、非標的のバックグランドがきれいになるのに十分な時間を置いてから 、該放射性標識ペプチドが付着した部位を、外部にある画像化カメラによって検 出し、 該放射性標識ペプチドが、スズイオンをもつペプチド溶液と接触させることに よって調製され、該ペプチドが、構造式 を含む放射性金属元素結合部分を含み、ここで、R1、R2、またはR3の少なく とも一つがHであれば、R1、R2、およびR3が、H、低級アルキル基、置換さ れた低級アルキル基、シクロアルキル基、置換されたシクロアルキル基、ヘテロ シクロアルキル基、アリール基、置換されたアリール基、ヘテロアリール基、置 換されたヘテロアリール基、アルカリル基、および、ペプチド合成条件下では除 去することができる保護基からなる群より独立に選択され、 R4、R5、R6、R7、R8、R9、およびR10が、H、低級アルキル基、置換さ れた低級アルキル基、アリール基、および置換されたアリール基からなる群より 独立に選択されるか、または、選択的には、R4とR6が、直接的な結合を形成し 、また、R8とR9が一緒に、またはR7とR9が一緒に、シクロアルキル環、また は置換されたシクロアルキル環を形成することができ、また、 NR10が、該ペプチドのN末端に位置するか、または、該ペプチドのアミノ酸 側鎖の上に存在しており、 さらに、該溶液を、放射性核種に接触させて、放射性標識されたペプチドを回 収する方法。 23.該ペプチドが、 (Che1)γAbuNleDHFdRWK-NH2、 (Che1)γAbuHSDAVFTDNYTRLRKQMAVKKYLNSILN-NH2、 KPRRPYTDNYTRLRK(Che1)QMAVKKYLNSILN-NH2、 (Che1)γAbuVFTDNYTRLRKQMAVKKYLNSILN-NH2、 (Che1)γAbuYTRLRKQMAVKKYLNSILN-NH2、 HSDAVFTDNYTRLRK(Che1)QMAVKKYLNSILN-NH2、 <GHWSYK(Che1)LRPG-NH2、<GHYSLK(Che1)WKPG-NH2、 AcNaldCpadWdSRKd(Che1)LRPAd-NH2、 (Che1)γAbuSYSNleDHFdRWK-NH2、(Che1)γAbuNleDHFdRWK-NH2、 (Che1)NleDHFdRWK-NH2、 Ac-HSDAVFTENYTKLRK(Che1)QNleAAKKYLNDLKKGGT-NH2、 (Che1)γAbuHSDAVFTDNYTRLRKQMAVKKYLNSILN-NH2、 (Che1)γAbuVFTDNYTRLRKQMAVKKYLNSILN-NH2、 (Che1)γAbuNleDHFdRWK-NH2 c、<GHWSYK(Che1)LRPG-NH2、 <GHYSLK(Che1)WKPG-NH2、AcNaldCpadWdSRKd(Che1)LRPAd-NH2、 <GHYSLK(Che1)WKPG-NH2、<GHYSLK(Che1)WKPG-NH2、 NaldCpadWdSRKd(Che1)WKPG-NH2、<GHWSYKd(Che1)LRPG-NH2、 AcNaldCpadWdSRKd(Che1)LRPAd-NH2、 AcNaldCpadWdSRKd(Che1)LRPAd-NH2、 AcNaldCpadWdSRKd(Che1)LRPAd-NH2、<GHWSYK(Che1)LRPG-NH2、 AcK(Che1)Fd CFWdKTCT-OH、AcK(Che1)DFd CFWdKTCT-OH、 AcK(Che1)Fd CFWdKTCT-ol、AcK(Che1)DFd CFWdKTCT-ol、 (Che1)DFd CFWdKTCT-OH、K(Che1)DFd CFWdKTCT-ol、 K(Che1)KKFd CFWdKTCT-ol、K(Che1)KDFd CFWdKTCT-OH、 K(Che1)DSFd CFWdKTCT-OH、K(Che1)DFd CFWdKTCT-OH、 K(Che1)DFd CFWdKTCD-NH2、K(Che1)DFd CFWdKTCT-NH2、 K(Che1)KDFd CFWdKTCT-NHNH2、AcK(Che1)Fd CFWdKTCT-NHNH2、 K(Che1)Fd CFWdKTCT-ol、およびFd CFWdKTCTK(Che1)-NH2、 からなる群より選択され、ここで、(Che1)が、該放射性金属元素結合部分 である、請求項1記載のペプチド。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2166296P | 1996-07-12 | 1996-07-12 | |
| US60/021,662 | 1996-07-12 | ||
| PCT/US1997/012084 WO1998002192A1 (en) | 1996-07-12 | 1997-07-11 | Radiometal-binding peptide analogues |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000515514A true JP2000515514A (ja) | 2000-11-21 |
| JP3647881B2 JP3647881B2 (ja) | 2005-05-18 |
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|---|---|---|---|
| JP50617198A Expired - Fee Related JP3647881B2 (ja) | 1996-07-12 | 1997-07-11 | 放射性金属元素結合ペプチドの類似化合物 |
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| US (2) | US6126916A (ja) |
| EP (1) | EP0975374B1 (ja) |
| JP (1) | JP3647881B2 (ja) |
| AT (1) | ATE380038T1 (ja) |
| AU (1) | AU725827B2 (ja) |
| DE (1) | DE69738353T2 (ja) |
| ES (1) | ES2297862T3 (ja) |
| WO (1) | WO1998002192A1 (ja) |
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| US5746996A (en) * | 1994-06-03 | 1998-05-05 | Immunomedics, Inc. | Thiolation of peptides for radionuclide-based radiodetection and radiotherapy |
| US5539138A (en) * | 1994-07-28 | 1996-07-23 | Merck Frosst Canada, Inc. | High affinity chelates containing isothiocyanate groups, useful for coupling with peptides and proteins |
| US5556939A (en) * | 1994-10-13 | 1996-09-17 | Merck Frosst Canada, Inc. | TC or RE radionuclide labelled chelate, hexapeptide complexes useful for diagnostic or therapeutic applications |
| US5753206A (en) * | 1995-06-07 | 1998-05-19 | Immunomedics, Inc. | Radiometal-binding analogues of luteinizing hormone releasing hormone |
-
1997
- 1997-07-11 JP JP50617198A patent/JP3647881B2/ja not_active Expired - Fee Related
- 1997-07-11 US US08/893,749 patent/US6126916A/en not_active Expired - Lifetime
- 1997-07-11 AT AT97934115T patent/ATE380038T1/de active
- 1997-07-11 AU AU37249/97A patent/AU725827B2/en not_active Ceased
- 1997-07-11 ES ES97934115T patent/ES2297862T3/es not_active Expired - Lifetime
- 1997-07-11 EP EP97934115A patent/EP0975374B1/en not_active Expired - Lifetime
- 1997-07-11 DE DE69738353T patent/DE69738353T2/de not_active Expired - Lifetime
- 1997-07-11 WO PCT/US1997/012084 patent/WO1998002192A1/en not_active Ceased
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2000
- 2000-10-02 US US09/676,783 patent/US7045503B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0975374A4 (en) | 2004-05-26 |
| US6126916A (en) | 2000-10-03 |
| DE69738353T2 (de) | 2009-09-24 |
| WO1998002192A1 (en) | 1998-01-22 |
| ATE380038T1 (de) | 2007-12-15 |
| AU3724997A (en) | 1998-02-09 |
| ES2297862T3 (es) | 2008-05-01 |
| AU725827B2 (en) | 2000-10-19 |
| EP0975374A1 (en) | 2000-02-02 |
| US7045503B1 (en) | 2006-05-16 |
| EP0975374B1 (en) | 2007-12-05 |
| JP3647881B2 (ja) | 2005-05-18 |
| DE69738353D1 (de) | 2008-01-17 |
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