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Optimal local control and tolerability of three-dimensional conformal radiation therapy in prostate cancer: a single institutional experience of dose escalation in 125 patients

Abstract

Aims. To evaluate long-term late side effects, clinical and biochemical relapse in nonmetastatic prostate cancer patients treated with dose escalation, from 74 to 78 Gy, by means of three dimensional conformal radiation therapy.
Materials and methods. Clinical data of 125 patients with prostate cancer who underwent three-dimensional conformal radiation therapy were retrospectively evaluated. All patients were stratified, according to the NCCN classification, in low, intermediate and high risk, and all of them showed histologically proven adenocarcinoma stage T1-T3 with at least 2 years of follow-up. Late toxicity was analyzed using a modified Radiation Therapy Oncology Group toxicity scale.
Results. With a median of follow-up of 48 months, grade ≥2 late genitourinary toxicity was reported in 18% and grade ≥2 gastrointestinal toxicity was detected in 12%. The PSA relapse rate was 20% in the high-risk group, 7% in the intermediate-risk group, and 3% in the low-risk group.
Conclusions. Late side effects and tumor control in patients with non-metastatic prostate cancer in dose escalation from 74 to 78 Gy was acceptable. Three-dimensional conformal radiation therapy still represents a valid therapeutic option for departments where intensity-modulated radiation therapy or image-guided radiation therapy is still not available.

Tumori 2013; 99(6): 676 - 681

Article Type: ORIGINAL RESEARCH ARTICLE

DOI:10.1700/1390.15455

Authors

Giuseppe Ferrera, Giovanni Caminiti, Antonietta Grillo, Filippo Alongi, Giovanna Evangelista, Emanuela Greco, Teresa Cucchiara, Michele Bono, Gianluca Mortellaro, Antonio Cirrincione, Francesca Dalia, Giuseppina Iacoviello, Vittorio Caputo, Massimo Midiri, Francesco Sciumè

Article History

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