1. Long-term results of permanent implant prostate cancer brachytherapy: A single-institution study of 675 patients treated between 1999 and 2003
- Author
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Dominique Pontvert, Lisa Belin, Laurent Chauveinc, Jean-Marc Cosset, Alexia Savignoni, N. Pierrat, T. Flam, Nicolas Thiounn, and Georges Wakil
- Subjects
Male ,medicine.medical_specialty ,medicine.medical_treatment ,Brachytherapy ,Disease-Free Survival ,030218 nuclear medicine & medical imaging ,Cohort Studies ,03 medical and health sciences ,Prostate cancer ,0302 clinical medicine ,Erectile Dysfunction ,medicine ,Humans ,Rectal Fistula ,Radiology, Nuclear Medicine and imaging ,Survival rate ,Aged ,business.industry ,Age Factors ,Prostatic Neoplasms ,Androgen Antagonists ,Radiotherapy Dosage ,Middle Aged ,Urinary Retention ,medicine.disease ,Confidence interval ,Surgery ,Urinary Incontinence ,Oncology ,030220 oncology & carcinogenesis ,Toxicity ,Cohort ,France ,Hormone therapy ,Neoplasm Recurrence, Local ,business ,Prostate brachytherapy ,Follow-Up Studies - Abstract
To analyse long-term overall survival, relapse-free survival and late toxicities in a series of 675 patients treated between 1999 and 2003, with a median follow-up of 132 months.The cohort included low-risk patients and a selection of "favourable-intermediate" risk patients. All patients were homogeneously treated using an intraoperative dynamic planning prostate brachytherapy technique, with loose 125 iodine seeds. Hormone therapy, consisting most often of an anti-androgen alone, was given in 393 patients (58%).The 10-year overall survival was 92% (95% confidence interval [CI]: 90-94) without a significant difference between the low and the select intermediate-risk groups (P=0.17). The 10-year relapse-free survival rate for the entire cohort was 82% (95% CI: 79-85), and was significantly higher in the low-risk group than in the intermediate one (87 vs 71%; P0.0001). Twenty-six percent of the relapses observed in this series occurred after more than 10 years of follow-up. The 10-year cumulative incidence of grade 3-4 urinary toxicity (whatever the delay and the recovery) was 5.78%. The cumulative incidence of grades 3-4 rectal toxicity in the present series was 1.65% at 10 years. As for sexual toxicity, 61% of our patients retained an erectile capacity at 10 years (with or without oral medication), with age being a major factor.With a median follow-up of more than 11 years, this series appears to confirm the excellent long-term results of low-dose rate prostate brachytherapy, both in terms of survival and in terms of toxicity.
- Published
- 2016
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