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  • 1
    ISSN: 1432-1076
    Keywords: Key words Long-term late effects ; Childhood ; Cancer ; Therapy ; Follow-up examinations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Intensive multimodality treatment has led to a remarkable improvement of prognosis in paediatric cancer patients, however, a great number of long-term survivors suffer from considerable tumour- or treatment-related late effects. Between January 1990 and December 1998, 223 consecutive survivors of childhood malignancies entered a prospective follow-up study designed to evaluate the frequency and severity of tumour- and/or therapy-related long-term sequelae. After cessation of therapy and subsequently once a year, all patients underwent a detailed examination programme including physical examination, laboratory tests, abdominal sonography, echocardiography, electrocardiography, electroencephalography, spirometry, audiometry, ophthalmological examination and endocrine stimulation tests. Median follow-up was 5 years (range 0.4 to 9.6 years). A total of 167 patients (75%) had at least one chronic medical problem of whom 80 needed permanent medical support. The organ systems most frequently affected were the nervous system in 39%, the endocrine system in 32%, the ears/eyes in 22%, the kidneys in 17%, and the liver in 12% of the patients. Some late effects (endocrine deficits, hearing loss, tubulopathy) were primarily diagnosed only several years after the end of oncological therapy. Conclusion The results of this study indicate that a considerable number of former paediatric cancer patients suffer from remarkable long-term side-effects. Since life quality is an important parameter of cancer survival, careful follow-up of long-term survivors is mandatory with the aim to reduce or even abrogate possible side-effects at the earliest time.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-7373
    Keywords: synchronous radiochemotherapy ; children and young adults ; unfavorable brain tumors ; incomplete resection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The prognosis of patients with incompletely resected malignant brain tumors is almost fatal. In an attempt to improve the outcome of children and young adults with unfavorable brain tumors an intensive multimodal therapeutic strategy was developed combining simultaneous (hyper)fractionated external beam irradiation and conventional adjuvant chemotherapy after initial surgery. 17 patients aged between 2.10 and 25.11 years were entered into the study. 16/17 patients were treated according to the German/Austrian Pediatric Brain Tumor Study Group multicenter trial HIT '91. They are not protocol patients of this HIT '91 trial. Induction chemotherapy consisted of 2 courses of ifosfamide (3 g/m2/d) on days 1–3, etoposide (150 mg/m2/d) on days 4–6, methotrexate (5 g/m2) on days 15 and 22, cisplatin (40 mg/m2/d) and cytarabine (400 mg/m2/d) on days 29–31. Three weeks after the last dose of cisplatin/cytarabine the second course of chemotherapy was started. The last patient entered into the study received a modified therapy containing ifosfamide, cisplatin and etoposide. Synchronously at a median of 12 days after initiation of chemotherapy 12/17 patients received local radiotherapy (6000–7040 cGy) to the brain and 5/17 patients craniospinal irradiation (3520 cGy with a tumor boost of 1400–2000 cGy). 4–6 weeks after completion of the second course of chemotherapy maintenance therapy was started with carmustine (CCNU) (75 mg/m2) and carboplatin (400 mg/m2) each on day 1 and vincristine (1.5 mg/m2) on day 1, 8, 15. This course was repeated eight times every six weeks. 9/17 patients are alive at a median follow-up of 25 months (range 5–50) with 4 complete remissions, 2 partial remissions and 1 stable disease lasting 42 + months. Two patients, who initially had stable disease, progressed, but are still alive at 31 + and 41 + months after diagnosis. Median progression-free survival and median overall survival is 19 and 36 months, respectively. Hematologic and methotrexate-induced toxicity were severe and resulted in one therapy-related death. However, radiotherapy concomitant to chemotherapy appears to be an effective method of treatment for brain tumors with poor prognosis, though toxicity is severe in some cases.
    Type of Medium: Electronic Resource
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