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Delta-17 and delta-20 olefinic and saturated 17 beta-substituted 4-aza-5 alpha-androstan-ones as 5 alpha reductase inhibitors useful in the prevention and treatment of hyperandrogenic disorders

United States Patent 5,510,351
Graham, et. al. * Apr. 23, 1996

Delta-17 and delta-20 olefinic and saturated 17 beta-substituted 4-aza-5 alpha-androstan-ones as 5 alpha reductase inhibitors useful in the prevention and treatment of hyperandrogenic disorders

Inventors: Graham; Donald W. (Mountainside, NJ); Aster; Susan D. (Teaneck, NJ); Tolman; Richard L. (Warren, NJ).
Assignee: Merck & Co., Inc. (Rahway, NJ).
[*]Notice: The portion of the term of this patent subsequent to Nov. 10, 2014 has been disclaimed.
Appl. No.: 338,490
Filed: Nov. 14, 1994
PCT Filed: May 17, 1993
PCT No: PCT/US93/04630
371 Date: Nov. 14, 1994
102(e) Date: Nov. 14, 1994
PCT Pub. No.: WO93/23051
PCT Pub. Date: Nov. 25, 1993

Related U.S. Application Data

Continuation-in-part of Ser No. 886,050, May 20, 1992, abandoned.
Intl. Cl. : A61K 31/58
Current U.S. Cl.: 514/253; 514/241; 514/261; 514/269; 514/284; 544/198; 544/242; 544/264; 544/336; 546/77
Field of Search: 546/77; 514/284, 253; 544/336

References Cited | [Referenced By:]


U.S. Patent Documents

4,220,775 Sept., 1980 Rasmusson et al. 546/77
4,337,584 Mar., 1983 Rasmusson et al. 546/77
4,596,812 Jun., 1986 Chidsey, III et al.  
4,732,897 Mar., 1988 Cainelli et al. 546/77
4,760,071 Jul., 1988 Rasmusson et al. 546/71
4,859,681 Aug., 1989 Rasmusson et al. 546/77
4,882,319 Nov., 1989 Holt et al. 514/71
4,888,336 Dec., 1989 Holt et al. 546/77
4,910,226 Mar., 1990 Holt et al. 514/319
5,049,562 Sept., 1991 Rasmusson et al. 546/77
5,084,574 Jan., 1992 Bhattacharya et al.  
5,110,939 May, 1992 Holt et al.  
5,116,983 May, 1992 Bhattacharya et al.  
5,120,742 Jun., 1992 Rasmusson et al. 514/284
5,175,155 Dec., 1992 Juniewicz et al. 514/284

Foreign Patent Documents

0004949 Oct., 1979 EP  
0200859 Nov., 1986 EP  
0277002 Jun., 1988 EP  
1465544 Nov., 1965 FR  
WO93/23039 Nov., 1993 WO  
94/00125 Jan., 1994 WO  
Other References
Burger, "Medicinal Chemistry 2d Ed" Interscience N.Y., 1960 p. 42.

Stinson "Prostate Drug Proscar Cleared for Marketing", Chem & Engineering News, Jun. 29, 1992, pp. 7-8.

Diani et al., "Hair Growth Effects of Oral Administration of Finasteride, A Steroid 5a-Reductase Inhibitor, Alone and in Combination with Topical Minoxidil in the Balding Stumptail MaCaque", J. Clin. & Endoc. & Metab. 74: 345-350 (1992).

Geldof "Consideration of the use of 17Beta-N,N-diethylcarbamoyl-4-methyl-4-aza-5 alpha androstan-3-one (4MA) a 5 alpha-reductase inhibitor in prostate cancer therapy" J. Cancer Res. Clin. Oncol. 118: 50-55 (1992).

Rasmusson, et al., "Azasteroids as Inhibitors of Rat Prostatic 5-alpha Reductase" J. Med. Chem. 27: 1690-1701 (1984).

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Kadohama et al., "Retardation of Prostate Tumor Progression in the Noble Rat by 4-Methyl-4-aza-Steroidal Inhibitors of 5alpha-reductase", JNCI, 74(2): 475-486 (1985).

Liang et al., "Species Differences in Prostatic 5alpha-Reductase of Rat, Dog and Human", Endocrinology 117(2): 571-579 (1985).

Brooks et al., "Prostatic Effects Induced in Dogs by Chronic or Acute Oral Administration of 5alpha-Reductase Inhibitors", The Prostate 9: 65-75 (1986).

Brooks et al., "Effect of Castration, DES, Flutamide, and the 5alpha-Reductase Inhibitor MK-906, on the Growth of the Dunning Rat Prostatic Carcinoma, R-3327", The Prostate 18:215-227 (1991).

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Primary Examiner: Daus; Donald G.
Attorney, Agent or Firm: Fitch; Catherine D., Giesser; Joanne M., Winokur; Melvin


Abstract


Described are delta 17 and delta 20 olefinic and saturated 17 Beta-substituted 4-aza-5 alpha-androstan-3-ones and related compounds having 5 alpha reductase inhibitors for treatment of benign prostatic hyperplasia and other hyperandrogenic related disorders.

14 Claims, No Drawings

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