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1.
Tumori ; 94(4): 453-8, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-18822677

RESUMO

AIMS AND BACKGROUND: To evaluate the tolerance and efficacy of an original concurrent radiochemotherapy regimen in locally advanced head and neck cancer. METHODS: Sixty-four patients with stage III or IV squamous cell carcinoma arising from a head and neck mucosal site were eligible. Simultaneous radiochemotherapy consisted of two courses of continuous infusional cisplatin (20 mg/m2/d, days 1-4 and 29-32) and oral tegafur (1200 mg/d, days 1-14 and 29-43), together with conventional radiation therapy up to a total dose of 70-75 Gy over nine weeks. RESULTS: All the patients were evaluated for toxicity and response. Acute mucositis was the most prevalent complication. Grade 3 toxicities were mucositis (44%), skin toxicity (10%), leukopenia (8%), and thrombocytopenia (1%). No toxic death was observed. Complete response to treatment was observed in 72% of patients. With a median follow-up of 48.5 months (range, 27-84), 5-year actuarial rate of local-regional control, disease-free survival, overall survival and disease-specific survival were 60% (95% confidence interval [CI], 40-70%), 55% (95% CI, 45-65%), 51% (95% CI, 43-59%) and 61% (95% CI, 53-69%), respectively. CONCLUSIONS: Response, local-regional control and survival rates are equivalent to those reported from other concomitant radiochemotherapy combinations. However, the regimen offers the advantage of its tolerance and toxicity profile.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Carcinoma de Células Escamosas/tratamento farmacológico , Carcinoma de Células Escamosas/radioterapia , Neoplasias de Cabeça e Pescoço/tratamento farmacológico , Neoplasias de Cabeça e Pescoço/radioterapia , Administração Oral , Adulto , Idoso , Antimetabólitos Antineoplásicos/administração & dosagem , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Quimioterapia Adjuvante/efeitos adversos , Cisplatino/administração & dosagem , Intervalo Livre de Doença , Esquema de Medicação , Toxidermias/etiologia , Feminino , Seguimentos , Humanos , Infusões Intravenosas , Leucopenia/etiologia , Masculino , Pessoa de Meia-Idade , Mucosite/etiologia , Estadiamento de Neoplasias , Radiossensibilizantes/administração & dosagem , Radioterapia Adjuvante/efeitos adversos , Análise de Sobrevida , Tegafur/administração & dosagem , Fatores de Tempo , Resultado do Tratamento
2.
Clin Transl Oncol ; 7(10): 447-54, 2005 Nov.
Artigo em Espanhol | MEDLINE | ID: mdl-16373053

RESUMO

AIMS: To evaluate the survival rates, prognostic factors and adverse events in patients with pituitary adenomas following fractionated stereotactic-guided radiotherapy (FSRT). MATERIAL AND METHODS: Fifty-six patients with pituitary adenomas were treated with FSRT; 23 patients (41.1%) had primary adenomas, 33 had recurrent disease; 24 (42.9%) with non-functional and 32 (57.1%) with functional adenomas. Using conventional fractionation, median total dose administered was 54 Gy (range: 24-56 Gy). RESULTS: The median follow-up was 51 months (range: 9-102) and, at the time of analysis, 49 patients were alive and disease-free, 1 patient was alive with reduced visual acuity and biochemical indications of recurrence, 2 patients had died from the disease and 1 patient had died from unrelated causes. Overall survival was 94% (50/53) and overall local tumour control was 92% (49/53). Univariate analysis indicated hormonal secretion (ACTH) and previous radiotherapy as being statistically significant. Fourteen patients (25%) had minor side-effects during treatment and 3 patients (5.4%) had late-onset events; 2 with optical neuropathy (both patients had other relevant co-existing diseases) and 1 patient had brain necrosis (re-irradiation). CONCLUSION: Fractionated stereotactic-guided radiotherapy is an effective modality for the treatment of pituitary adenomas. Care is required in patients with co-morbidities and/or previously-irradiated recurrent tumour so as to minimise late-onset secondary effects.


Assuntos
Adenoma/radioterapia , Neoplasias Hipofisárias/radioterapia , Adenoma/mortalidade , Fracionamento da Dose de Radiação , Feminino , Seguimentos , Humanos , Masculino , Neoplasias Hipofisárias/mortalidade , Prognóstico , Radioterapia/efeitos adversos , Radioterapia/métodos , Estudos Retrospectivos , Taxa de Sobrevida
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