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  • Title: [Final results of complete hormone blockade versus monotherapy in prostatic metastatic cancer. PSA implications].
    Author: Morote J, Vallejo C, Lorente JA, Encabo G, López Pacios MA, de Torres JA, Soler Roselló A.
    Journal: Actas Urol Esp; 1995 Sep; 19(8):604-10. PubMed ID: 8669327.
    Abstract:
    Of 102 patients with metastatic prostate cancer, 52 were treated with orchidectomy and 50 with CHB; 22 of these received a LHRH analog + Flutamide and 28 orchidectomy + Flutamide. No differences were seen in either arm in terms of age (69.9 vs 70.2 years) or initial PSA (493.3 vs 486.5 ng/ml) variables. After three months treatment, CHB achieved a decrease of PSA higher than monotherapy (52.9 vs 34.5 ng/ml) p<0.01 as well as minimum PSA level during follow-up (41.2 vs 17.5 ng/ml) (p<0.001). Initial clinical response rates were higher in the group treated with complete blockade (42.3% vs 52%) (p=n.s.). Overall, no significant differences were seen between the actuarial curves of biological progression, clinical progression and survival, with expected mean values of 13 vs 12, 14 vs 15 and 34 vs 28 months, respectively. However, when survival was considered as a function of bone disease dissemination, a greater survival rate was seen in patients with minimal M1 disease (p<0.05), and there were no differences between the M2 and M3 arms.
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