Antonin Levy1, Helene Martelli2, Chiraz Fayech3, Veronique Minard-Colin3, Isabelle Dumas4, Marie-Catherine Gensse4, Marie-Cecile Le Deley5, Odile Oberlin3, Christine Haie-Meder6. 1. Department of Radiation Oncology, Gustave Roussy, France; Paris Sud University, France. 2. Department of Pediatric Surgery, Bicêtre Hospital, France. 3. Department of Pediatrics, Gustave Roussy, France. 4. Department of Radiation Oncology, Gustave Roussy, France. 5. Department of Biostatistics, Gustave Roussy, France. 6. Department of Radiation Oncology, Gustave Roussy, France. Electronic address: christine.haiemeder@gustaveroussy.fr.
Abstract
PURPOSE: To prospectively assess the long-term toxicities of brachytherapy in female survivors with localized genital tract tumors. PATIENTS AND METHODS: The data concerning 42 patients treated at Gustave Roussy between 1971 and 2004, were both retrospectively and prospectively analyzed. Strictly confidential constructed surveys based on the LENT SOMA/SF-36v2 questionnaires were mailed and 51% were completed. Complications were recorded throughout the follow-up period and graded according to CTCAE, version 4.0. RESULTS: The median age at diagnosis was 1.7 years (range, 0.6-16.6) and most patients (69%) had rhabdomyosarcomas. Treatments included brachytherapy delivered in all patients, chemotherapy (88%), surgery (31%), and external beam radiotherapy (5%). At a median follow-up of 15.5 years, 41/42 patients were alive. A total of 160 late effects were identified in 32/42 (76%) patients: 72% G1-2, and 28% G3-4 (the mean number of all grade late effects per patient: 4 [median: 2.5; range, 0-16] and the mean number of G3-4 late effects per patient: 1[median: 0; range, 0-8]). The most common all grade late toxicities were gynecological (75/160; 47%) and G3-4 were urinary (24/45; 53%). Sixteen patients (38%) required surgical treatment of late complications. The 15-year actuarial incidence rate of G3-4 late effects was 51%. The total number of all grade and G3-4 late effects was significantly increased in patients treated before 1990 (p=0.005 and p=0.008), when the cumulative dose was higher (p=0.03 and p=0.02), when the maximal dose was delivered to the ovaries (p=0.002 and p=0.04), and when the brachytherapy volume was larger (p=0.03 and p=0.02). Quality of life was good or very good in 91% of patients who completed the surveys. CONCLUSION: Long-term effects decreased with advances in treatment. Stringently controlled brachytherapy parameters should allow us to pursue improvements in order to prevent or minimize long-term sequelae.
PURPOSE: To prospectively assess the long-term toxicities of brachytherapy in female survivors with localized genital tract tumors. PATIENTS AND METHODS: The data concerning 42 patients treated at Gustave Roussy between 1971 and 2004, were both retrospectively and prospectively analyzed. Strictly confidential constructed surveys based on the LENT SOMA/SF-36v2 questionnaires were mailed and 51% were completed. Complications were recorded throughout the follow-up period and graded according to CTCAE, version 4.0. RESULTS: The median age at diagnosis was 1.7 years (range, 0.6-16.6) and most patients (69%) had rhabdomyosarcomas. Treatments included brachytherapy delivered in all patients, chemotherapy (88%), surgery (31%), and external beam radiotherapy (5%). At a median follow-up of 15.5 years, 41/42 patients were alive. A total of 160 late effects were identified in 32/42 (76%) patients: 72% G1-2, and 28% G3-4 (the mean number of all grade late effects per patient: 4 [median: 2.5; range, 0-16] and the mean number of G3-4 late effects per patient: 1[median: 0; range, 0-8]). The most common all grade late toxicities were gynecological (75/160; 47%) and G3-4 were urinary (24/45; 53%). Sixteen patients (38%) required surgical treatment of late complications. The 15-year actuarial incidence rate of G3-4 late effects was 51%. The total number of all grade and G3-4 late effects was significantly increased in patients treated before 1990 (p=0.005 and p=0.008), when the cumulative dose was higher (p=0.03 and p=0.02), when the maximal dose was delivered to the ovaries (p=0.002 and p=0.04), and when the brachytherapy volume was larger (p=0.03 and p=0.02). Quality of life was good or very good in 91% of patients who completed the surveys. CONCLUSION: Long-term effects decreased with advances in treatment. Stringently controlled brachytherapy parameters should allow us to pursue improvements in order to prevent or minimize long-term sequelae.
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