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|Abstract:||A method for inhibiting ovarian steroidogenesis in women comprising administering to women an ovarian steroidogenesis inhibitorilly effective amound of D Ser (tbu).sup.6 des Gly NH.sub.2 .sup.10 LH-RH ethylamide.|
|Inventor(s):||Labrie; Fernand (Quebec, CA), Raynaud; Jean-Pierre (Paris, FR)|
|Assignee:||Uclaf; Roussel (FR)|
|Filing Date:||Nov 30, 1994|
|Claims:||1. A method for inhibiting ovarian steroidogenesis in women comprising administering to normal women with regular menstrual cycles an ovarian steroidogenesis inhibitorally effective amount of at least one peptide of the formula |
wherein (a) Z is Gly-NH.sub.2, Y is Leu and X is Gly, (b) Z is Gly-NH.sub.2, Y is Leu, X is DN Leu, DN Val, D Abu (.alpha.-aminobutyric acid), D Phe, D Ser, D Thr, D Met, D Pgl, D Lys, Leu, Ile, Nle, Val, N-Val, Met, Phe, D Leu, D Arg, D ser (tbu), D Thr (tbu), D Cys (tbu), D Asp (O tbu), D Glu (Otbu), D Orn (boc), D Lys (boc), D Trp, Trp, 2-methyl Ala, D Tyr, D Met, .epsilon.-lauryl D Lys, .epsilon.-dextran-D Lys, (c) Z is NH-cyclopropyl- or NH-Alk wherein Alk is alkyl of 1 to 3 carbon atoms, Y is Leu and X is D Ser (tbu), D Thr (tbu), D Asp (Otbu), D Glu (Otbu), D Orn (boc), D Lys (boc), (d) Z is --NH--CH.sub.3, --NH--CH.sub.2 --CH.sub.3,--NH--CH.sub.2 --CH.sub.2 --CH.sub.3, --NH--C.H.sub.2 --CH.sub.2 --OH, ##STR2## Y is Leu and X is Gly, (e) Z is --NH--CH.sub.2 --CH.sub.3, Y is Leu and X is D Trp, D Leu, D Ala, D Ser (tbu), D Tyr, D Lys, Ala, (f) Z is Gly-NH.sub.2 or --NH--CH.sub.2 --CH.sub.3, Y is N.alpha.Met Leu and X is Gly (g) Z is --NH-cyclopropyl, Y is Leu and X is D Leu or (h) Z is Gly-NH.sub.2, --NH-cyclopropyl or --NHAlk' where Alk' is alkyl of 1 to 3 carbon atoms, Y is Ser (but), Cys (but), Asp (Obut), Glu (Obut), --Orn (boc), Lys (boc) and X is Gly.
2. A method for inhibiting ovarian steroidogenesis in women comprising administering to women with regular menstrual cycles an ovarian steroidogenesis inhibitorally effective amount of D Ser (tbu).sup.6 des Gly NH.sub.2 .sup.10 LH-RH ethylamide.
3. The method of claim 2 wherein the compound is administered nasally as a solution containing 500 .mu.g of the compound per dose.
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