Effect of hormonal manipulation on antithrombin III activity in patients with prostatic carcinoma. 1984

C P Henny, and H ten Cate, and N F Dabhoiwala, and H R Büller, and J W ten Cate

In three groups of patients with advanced prostatic cancer the influence of three different forms of hormonal manipulation, i.e. estrogens, anti-androgens and bilateral orchidectomy, on the coagulation and fibrinolytic systems has been investigated. The groups, studied over a period of 35 days, were comparable as to age and stage of malignancy. A significant decrease in antithrombin III (AT-III) activity of 27% (range 7-46%) was found in patients on an initially high-dose estrogen (diethylstilbestrol) treatment regime. No changes in any of the monitored coagulation and fibrinolytic parameters were noted in the other treatment groups, including patients on maintenance estrogen therapy. The results of this study show that only high-dose estrogen therapy is accompanied by a selective decrease in AT-III activity. This may be an important etiological factor in the increased risk of thromboembolism in patients treated by this regime. The other means of hormonal manipulation studied, including low-dose estrogen treatment, did not influence the coagulation or fibrinolytic systems.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011471 Prostatic Neoplasms Tumors or cancer of the PROSTATE. Cancer of Prostate,Prostate Cancer,Cancer of the Prostate,Neoplasms, Prostate,Neoplasms, Prostatic,Prostate Neoplasms,Prostatic Cancer,Cancer, Prostate,Cancer, Prostatic,Cancers, Prostate,Cancers, Prostatic,Neoplasm, Prostate,Neoplasm, Prostatic,Prostate Cancers,Prostate Neoplasm,Prostatic Cancers,Prostatic Neoplasm
D002369 Castration Surgical removal or artificial destruction of gonads. Gonadectomy,Castrations,Gonadectomies
D003534 Cyproterone An anti-androgen that, in the form of its acetate (CYPROTERONE ACETATE), also has progestational properties. It is used in the treatment of hypersexuality in males, as a palliative in prostatic carcinoma, and, in combination with estrogen, for the therapy of severe acne and hirsutism in females. Cyproterone, 1alpha,2 alpha,9 beta,10 alpha-Isomer
D004054 Diethylstilbestrol A synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders. It was also used formerly as a growth promoter in animals. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), diethylstilbestrol has been listed as a known carcinogen. (Merck, 11th ed) Stilbestrol,Agostilben,Apstil,Diethylstilbestrol, (Z)-Isomer,Diethylstilbestrol, Disodium Salt,Distilbène,Stilbene Estrogen,Tampovagan,Estrogen, Stilbene
D005342 Fibrinolysis The natural enzymatic dissolution of FIBRIN. Fibrinolyses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000990 Antithrombin III A plasma alpha 2 glycoprotein that accounts for the major antithrombin activity of normal plasma and also inhibits several other enzymes. It is a member of the serpin superfamily. Heparin Cofactor I,Antithrombin III-Alpha,Atenativ,Heparin Co-Factor I,Kybernin,Serpin C1,Thrombate III,Antithrombin III Alpha,Antithrombin IIIAlpha,Cofactor I, Heparin,Heparin Co Factor I

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