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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Henry, Ann M. Al-Qaisieh, Bashar Gould, Kathy Bownes, Peter Smith, Jonathan Carey, Brendan Bottomley, David Ash, Dan |
| Description | Country affiliation: United kingdom Author Affiliation: Henry AM ( Department of Clinical Oncology, St. James's Institute of Oncology, St. James's University Hospital, Leeds, United Kingdom. Ann.Henry@leedsth.nhs.uk) |
| Abstract | PURPOSE: This study reports the 10-year experience of permanent brachytherapy monotherapy at a single UK center. METHODS AND MATERIALS: Between March 1995 and September 2004, 1,298 patients underwent trans-rectal ultrasound (TRUS) planned transperineal brachytherapy delivering 145 Gy using I-125. No patient received supplemental external beam; 44.2% received neoadjuvant hormones. In 688, CT postimplant dosimetry was available. Outcome data were analyzed in terms of overall survival (OS), disease specific survival (DSS), and PSA relapse-free survival (PSA-RFS). RESULTS: The mean age was 62.9 (range, 34-83) years. Median follow-up was 4.9 years (range, 2.03-11.7 years). OS and DSS were 85% and 95%, respectively, at 10 years. Twenty-one patients died from prostate cancer (1.6%) and 34 (2.5%) from unrelated causes. Seventy-four (5.7%) developed evidence of clinical failure. Overall PSA-RFS was 79.9% and 72.1% at 10 years (American Society for Therapeutic Radiology and Oncology [ASTRO] and Nadir+2 definitions, respectively). Higher presenting PSA or Gleason score and use of neoadjuvant hormones were associated with an increased risk of biochemical failure (p <0.01). Biochemical control was achieved in 86.4%, 76.7%, and 60.6% (ASTRO) and 72.3%, 73.5%, and 57.6% (Nadir+2) of patients in low-, intermediate-, and high-risk groups, respectively. Biochemical control was achieved in 88% of patients with D(90) > or =140 Gy and in 78% of patients with D(90) <140 Gy (p <0.01). CONCLUSIONS: I-125 brachytherapy alone achieved excellent rates of medium-term biochemical control in both low- and selected intermediate-risk localized prostate cancer patients. Postimplant dosimetry improved with experience and longer follow-up, confirming the relationship of D(90) with biochemical control. |
| File Format | HTM / HTML |
| ISSN | 03603016 |
| Issue Number | 1 |
| Volume Number | 76 |
| e-ISSN | 1879355X |
| Journal | International Journal of Radiation OncologyastBiologyastPhysics |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2010-01-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Radiology Brachytherapy Methods Iodine Radioisotopes Therapeutic Use Prostatic Neoplasms Radiotherapy Adult Aged Aged, 80 And Over Androgen Antagonists Cause Of Death Disease-free Survival Follow-up Studies Humans Male Middle Aged Proportional Hazards Models Prostate-specific Antigen Blood Mortality Pathology Radiotherapy Dosage Reference Values Treatment Outcome Ultrasonography, Interventional Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Radiology, Nuclear Medicine and Imaging Cancer Research Radiation Oncology |
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