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Postsurgical Risk Factors for Prostate Cancer Mortality Slideset on: Freedland SJ, Humphreys EB, Mangold LA, et al. Risk of prostate cancer–specific mortality following biochemical recurrence after radical prostatectomy. JAMA. 2005;294:433-439.
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clinicaloptions.com/onco Oncology Journal Options Freedland S, et al. JAMA. 2005;294:433-439. Background and Rationale Biochemical relapse (prostate-specific antigen [PSA] 0.2 ng/mL) after radical prostatectomy may presage future metastasis Improved risk-assessment models needed for refining patient management Previous cohort analysis evaluated risk of metastasis after rising PSA (n = 304) –Median time from biochemical recurrence to metastasis: 8 years –Median time from metastasis to death: 5 years
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clinicaloptions.com/onco Oncology Journal Options Freedland S, et al. JAMA. 2005;294:433-439. Baseline Characteristics CharacteristicEligible Patients, n (%) Race White Black Other 360 (95) 14 (4) 5 (1) Gleason score 2-6 7 8-10 54 (14) 195 (51) 130 (34) Extraprostatic spread Surgical margins Extracapsular confines Seminal vesicle Lymph nodes 178 (47) 337 (89) 143 (38) 124 (33) Postrecurrence PSA doubling time < 3 mos ≥ 3 mos 23 (6) 356 (94)
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clinicaloptions.com/onco Oncology Journal Options Freedland S, et al. JAMA. 2005;294:433-439. Main Findings Mean time from surgery to biochemical recurrence: 3.5 years Overall prostate cancer–specific survival from time of biochemical recurrence –5 year: 93% (95% confidence interval [CI]: 90%-96%) –10 year: 73% (95% CI: 66%-79%) –15 year: 55% (95% CI: 41%-67%)
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clinicaloptions.com/onco Oncology Journal Options Freedland S, et al. JAMA. 2005;294:433-439. Main Findings (cont’d) High-risk indicators for prostate cancer–specific mortality –Short PSA doubling time (< 3 months) –Gleason score of 8-10 –Time from surgery to biochemical recurrence ≤ 3 years Risk FactorsHazard Ratio (95% CI)P Value PSA doubling time (< 3 mos vs 15 mos) 27.5 (10.7-70.9)<.001 Years from surgery to relapse ( 3 vs > 3) 3.5 (1.6-7.8).002 Gleason score (≥ 8 vs < 8)2.3 (1.4-3.8).002
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clinicaloptions.com/onco Oncology Journal Options Freedland S, et al. JAMA. 2005;294:433-439. Key Conclusions Select clinical variables helpful in establishing prostate cancer – specific mortality risk in patients with biochemical recurrence after radical prostatectomy –PSA doubling time –Gleason score –Time from surgery to biochemical recurrence High-risk patients may consequently be identified for early, more aggressive treatment options
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