Young patients with prostate cancer have an outcome justifying their treatment with external beam radiation.
PURPOSE: The majority of young patients with early stage prostate cancer in the United States are treated with radical prostatectomy. To determine whether this preference for surgical care is justified, we analyzed by patient age the survival without biochemical evidence of disease (bNED) of men with clinically organ-confined prostate cancer treated with external beam irradiation. METHODS AND MATERIALS: One hundred and sixty-nine men with clinical stages T1-2 adenocarcinoma of the prostate received external beam radiation therapy alone at Fox Chase Cancer Center. All patients had serum prostate-specific antigen (PSA) values less than 10 ng/ml prior to initiation of treatment. Out of 169 patients, 167 had unstaged regional nodes (NX) and all had no evidence for distant metastasis (M0). The median age was 69 years. Criteria for bNED survival were posttreatment serum PSA < or = 1.5 ng/ml and not rising on two consecutive values. The median follow-up is 35 months. RESULTS: The actuarial 5-year bNED survival of all 169 patients was 85%. The bNED survival of patients less than 65 was not significantly different than that of patients 65 and older (89 vs. 84%, respectively). Patient age, American Joint Committee on Cancer (AJCC) stage, palpation stage, Gleason score, and dose to the center of the prostate were not found to be significant predictors of bNED survival on multivariate analysis. CONCLUSION: Our results using strict biochemical endpoints are comparable to reported series of similarly staged men treated with prostatectomy. In addition, the patient age of less than 65 is not a prognostic factor for worse outcome after radiation therapy. Young patients with clinically organ-confined prostate cancer who are fully informed of their treatment options can be appropriately accepted for external beam treatment.
Freedman, GM; Hanlon, AL; Lee, WR; Hanks, GE
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