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    • 86. 发明授权
    • ANALOGUES OF hGH-RH (1-29)NH2 HAVING ANTAGONISTIC ACTIVITY
    • 具有拮抗活性的hGH-RH(1-29)NH2的类似物
    • EP0734396B1
    • 2000-11-08
    • EP95904767.1
    • 1994-11-28
    • The Administrators of The Tulane Educational Fund
    • SCHALLY, Andrew V.ZARANDI, Marta
    • C07K14/60A61K38/25
    • C07K14/60A61K38/00
    • Synthetic analogues of hGH-RH(1-29)NH2 having substitutions of various amino acids and acylated at the N-terminus, and exhibiting prolonged antagonistic duration. Embodiments include analogues of the formula: X-R -R -R -R -R -R -Thr-R -Ser-Tyr-R -R -Val-Leu-R -Gln-Leu-Ser-R -R -R -Leu-Leu-Gln-Asp-Ile-R -R -R , wherein X is nil, H, Ac, IAc, BrProp, For, Ibu, Nac, 2-Nac, 1- or 2-Npt, 1- or 2-Npr or Aqc; R is Tyr, His, Glu or Glt; R is D-Arg, D-Cit, D-Har, D-Lys or D-Orn; R is Asp, Ala or Gly; R is Ala or Gly; R is Ile, Ala or Gly; R is Phe, Ala, Pro, Tpi, Nal or Phe(Y), in which Y is F, Cl, Br, NO2, CH3 or OCH3; R is Asn, Ser, Val, Ile, Ala, Abu, Nle or Aib; R is Arg, D-Arg or Cit; R is Lys, D-Lys Cit or Ala; R is Gly, Ala, Abu or Gln; R is Ala or Abu; R is Arg, D-Arg or Cit; R is Lys, D-Lys or Cit; R is Met, Nle or Abu; R is Ser, Asn, Asp or Abu; R is Agm, Arg-NH2, Arg-OH, Cit-NH2, Cit-OH, Har-NH2 or Har-OH; provided that when R is Glt, X is nil and when X is H, R is other than Gly, and pharmaceutically acceptable acid addition salts thereof.
    • hGH-RH(1-29)NH2的合成类似物具有各种氨基酸的取代并在N-末端被酰化,并表现出延长的拮抗持续时间。 实施方案包括下式的类似物:XR 1 -R 2 -R 3 -R 4 -R 5 -R 6 -Thr-R 8 -Ser-Tyr- 11> -R <12> -Val-LEU-R <15> -Gln-LEU-SER-R <19> -R <20> -R <21> -Leu-LEU-GLN-ASP-岛-R < 其中X为无,H,Ac,IAc,BrProp,For,Ibu,Nac,2-Nac,1-或2-Npt,1-或2-Npr或 AQC; R 1是Tyr,His,Glu或Glt; R 2是D-Arg,D-Cit,D-Har,D-Lys或D-Orn; R 3是Asp,Ala或Gly; R 4是Ala或Gly; R 5是Ile,Ala或Gly; R 6是Phe,Ala,Pro,Tpi,Nal或Phe(Y),其中Y是F,Cl,Br,NO 2,CH 3或OCH 3; R 8是Asn,Ser,Val,Ile,Ala,Abu,Nle或Aib; R 11是Arg,D-Arg或Cit; R 12是Lys,D-Lys Cit或Ala; R 15是Gly,Ala,Abu或Gln; R 19是Ala或Abu; R 20是Arg,D-Arg或Cit; R 21是Lys,D-Lys或Cit; R 27是Met,Nle或Abu; R 28是Ser,Asn,Asp或Abu; R 29为Agm,Arg-NH 2,Arg-OH,Cit-NH 2,Cit-OH,Har-NH 2或Har-OH; 条件是当R 1为Glt时,X为零且当X为H时,R 15不为Gly,且其药学上可接受的酸加成盐。