Neoadjuvant docetaxel before radical prostatectomy in patients with high-risk localized prostate cancer

Phillip G. Febbo, Jerome P. Richie, Daniel J. George, Massimo Loda, Judith Manola, Sridhar Shankar, Agnieska Szot Barnes, Clare Tempany, William Catalona, Philip W. Kantoff, William K. Oh*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

166 Scopus citations


Purpose: To determine the clinical, pathologic, and molecular effects of neoadjuvant docetaxel chemotherapy in high-risk localized prostate cancer. Experimental Design: Patients with biopsy Gleason scores of 8 to 10, serum prostate-specific antigen levels >20 ng/mL, and/or clinical stageT 3 disease received weekly docetaxel (36 mg/m2) for 6 months, followed by radical prostatectomy, and were monitored with weekly visits, serum prostate-specific antigen measurements, and endorectal magnetic resonance imaging (MRI). Frozen tumor specimens were collected for microarray analysis. Results: The 19 patients enrolled received 82% of the planned chemotherapy. Toxicity was mild to moderate; fatigue and taste disturbance were common. Prostate-specific antigen declines of >50% were seen in 11 of 19 patients (58%; 95% confidence interval, 33-80%) and endorectal MRI showed maximum tumor volume reduction of at least 25% in 13 of 19 patients (68%; 95% confidence interval, 47-85%) and at least 50% in 4 patients (21%; 95% confidence interval, 6-46%). Sixteen patients completed chemotherapy and had radical prostatectomy; none achieved pathologic complete response. Microarray analysis identified coordinate up-regulation of genes involved in androgen metabolism associated with docetaxel therapy. Specifically, RNA expression for genes that decrease cellular levels of bioactive androgens was coordinately increased in response to chemotherapy. Conclusions: Neoadjuvant docetaxel administered for 6 months before radical prostatectomy is feasible, well tolerated, and often results in prostate-specific antigen declines of >50% and decreased tumor volume on endorectal MRI. No pathologic; complete responses were observed. Altered androgen metabolism may partially account for the noted declines in prostate-specific antigen and be a mechanism for chemotherapy resistance.

Original languageEnglish (US)
Pages (from-to)5233-5240
Number of pages8
JournalClinical Cancer Research
Issue number14
StatePublished - Jul 15 2005

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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