Long-Term Outcome Following Radical Prostatectomy in Men With Clinical Stage T3 Prostate Cancer

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Abstract

Purpose

We evaluated patients at our institution who underwent radical prostatectomy for clinical stage T3 prostate cancer to determine their long-term clinical outcomes.

Materials and Methods

We reviewed our prospective surgical database and identified 176 men who underwent radical retropubic prostatectomy for clinical stage T3 prostate cancer from 1983 to 2003. Clinical and pathological data were reviewed and evaluated in a Cox proportional hazards model to determine preoperative predictors of biochemical recurrence. Clinical progression following biochemical recurrence was evaluated and clinical failure was defined as the development of clinical metastases or progression to hormone refractory prostate cancer.

Results

Of the 176 patients with cT3 prostate cancer 64 (36%) received neoadjuvant hormonal therapy. At a mean followup of 6.4 years 84 (48%) patients had disease recurrence with a median time to biochemical recurrence of 4.6 years. The actuarial 10-year probability of freedom from recurrence was 44%. On multivariate analysis biopsy Gleason score, pretreatment serum prostate specific antigen and year of surgery were independent predictors of biochemical recurrence. Neoadjuvant hormonal therapy was not a significant predictor of biochemical recurrence. Following biochemical recurrence clinical failure developed in 30 of 84 (36%) men with a median time of 11 years. Overall the 5, 10 and 15-year probabilities of death from prostate cancer were 6%, 15% and 24%, respectively.

Conclusions

More than half (52%) of our patients remained free of disease recurrence following radical prostatectomy. In our series neoadjuvant hormonal therapy offered no advantage with respect to disease recurrence. Radical prostatectomy remains an integral component in the treatment of select patients with clinical stage T3 prostate cancer.

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