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Purpose   Prostatectomy or radiation for localized prostate cancer (PC) can fail in up to 15% to 30% of patients. The purpose of this study was to determine feasibility, tolerability, and outcome of docetaxel followed by hormone therapy in men experiencing an increasing prostate-specific antigen (PSA) after their primary local treatments for PC.Patients and Methods   Men with increasing serum PSA after prostatectomy or/and radiation were eligible. Serum PSA had to be ≥ 4 ng/mL and serum testosterone had to be in the noncastrate range. Treatment included docetaxel 70 mg/m 2  every 3 weeks for up to six cycles, followed by total androgen suppression (luteinizing hormone-releasing hormone agonist plus bicalutamide) and peripheral androgen blockade (finasteride plus bicalutamide) for 12 to 20 months.Results   Thirty-nine men were enrolled; 32 had PSA-only failure, seven also had clinical metastasis. Baseline median PSA was 13.7 ng/mL. Serum PSA decreased ≥ 50% in 17 of 35 patients (48.5%) and ≥ 75% in seven of 35 patients (20%) with docetaxel. The PSA decreased to a median of 0.1 ng/mL with subsequent hormone therapy. In 28 of 33 patients the PSA increased (median, 0.41 ng/mL) at a median follow-up of 2.3 months after treatment. In contrast, in five of 33 men the PSA remains at 0.1 ng/mL at a median of 18.9 months after therapy; three of these five men had soft tissue metastasis at entry but remain in complete remission. The most common grade 3 to 4 toxicity was neutropenia (61.5%).Conclusion   Docetaxel followed by hormone therapy of limited duration may provide disease control in subgroups of men experiencing failure after local treatments for PC.

Docetaxel Followed by Hormone Therapy in Men Experiencing Increasing Prostate-Specific Antigen After Primary Local Treatments for Prostate Cancer