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SUMMARY
Multicentre randomized trial comparing triptorelin medical cas-
tration versus surgical castration in the treatment of locally advan-
ced or metastatic prostate cancer
Objective : To report the results of a trial comparing the efficacy of
triptorelin and surgical castration in the treatment of locally advanced
or metastatic prostate cancer.
Materials and methods : 80 patients with previously untreated locally
advanced or metastatic prostate cancer prostate cancer were included
in a one-year multicentre, randomized, prospective, open-label thera-
peutic trial. Patients either received a monthly injection of triptorelin
(group 1; n = 40), or were treated by pulpectomy (group 2; n = 40).
Patients were reviewed every 3 months, then every 6 months.
Results : The mean age of the patients was 71.22 ± 8.25 years. At 1
month, 38 patients were castrated (plasma testosterone < 0.5 mg/ml) in
the pulpectomy group versus 35 in the triptorelin group. The mean fol-
low-up was 38.8 ± 26 months in the triptorelin group and 36.3 ± 25
months in the pulpectomy group. On multivariate analysis, age, impai-
red performance status and PAP level (> 3.2 ng/ml) were predictive
factors of a poor outcome. The median survival was 37,5 ± 9 months in
the triptorelin group and 33 ± 3 months in the pulpectomy group. At 3
years, no significant difference in specific survival was observed bet-
ween the 2 groups. At 8 years of follow-up, 63 patients had died.
Conclusion : This study demonstrates an equivalent specific survival
between patients treated by triptorelin or surgical castration. Castra-
tion is rapidly obtained with triptorelin (< 2 months) and is maintained
over time throughout the duration of treatment.
Key words : prostate cancer, clinical trials, Triptorelin, adverse events,
testoterone levels.
H.Botto et coll., Progrès en Urologie (2007), 17, 235-239
239
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