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- Title
Multimodal treatment for high-risk prostate cancer with high-dose intensity-modulated radiation therapy preceded or not by radical prostatectomy, concurrent intensified-dose docetaxel and long-term androgen deprivation therapy: results of a prospective phase II trial
- Authors
Guttilla, Andrea; Bortolus, Roberto; Giannarini, Gianluca; Ghadjar, Pirus; Zattoni, Fabio; Gnech, Michele; Palumbo, Vito; Valent, Francesca; Garbeglio, Antonio; Zattoni, Filiberto
- Abstract
Background The optimal management of high-risk prostate cancer remains uncertain. In this study we assessed the safety and efficacy of a novel multimodal treatment paradigm for high-risk prostate cancer. Methods This was a prospective phase II trial including 35 patients with newly diagnosed high-risk localized or locally advanced prostate cancer treated with high-dose intensity-modulated radiation therapy preceded or not by radical prostatectomy, concurrent intensified-dose docetaxel-based chemotherapy and long-term androgen deprivation therapy. Primary endpoint was acute and late toxicity evaluated with the Common Terminology Criteria for Adverse Events version 3.0. Secondary endpoint was biochemical and clinical recurrencefree survival explored with the Kaplan-Meier method. Results Acute gastro-intestinal and genito-urinary toxicity was grade 2 in 23% and 20% of patients, and grade 3 in 9% and 3% of patients, respectively. Acute blood/bone marrow toxicity was grade 2 in 20% of patients. No acute grade ≥4 toxicity was observed. Late gastro-intestinal and genito-urinary toxicity was grade 2 in 9% of patients each. No late grade ≥3 toxicity was observed. Median follow-up was 63 months (interquartile range 31-79). Actuarial 5-year biochemical and clinical recurrence-free survival rate was 55% (95% confidence interval, 35- 75%) and 70% (95% confidence interval, 52-88%), respectively. Conclusions In our phase II trial testing a novel multimodal treatment paradigm for high-risk prostate cancer, toxicity was acceptably low and mid-term oncological outcome was good. This treatment paradigm, thus, may warrant further evaluation in phase III randomized trials.
- Subjects
COMBINED modality therapy; PROSTATE cancer treatment; PROSTATE cancer; RADIOTHERAPY; CANCER patients; ANTINEOPLASTIC agents; BONE marrow; DRUG therapy
- Publication
Radiation Oncology, 2014, Vol 9, Issue 1, p1
- ISSN
1748-717X
- Publication type
Article
- DOI
10.1186/1748-717X-9-24