[Prevention of second primary cancer with vitamin supplementation in patients treated for head and neck cancers]. / Prévention des seconds cancers primaires par supplémentation vitaminique chez les patients traités pour un cancer ORL.
Bull Cancer Radiother
; 83(1): 12-6, 1996.
Article
em Fr
| MEDLINE
| ID: mdl-8679274
ABSTRACT
Second primary cancers often occur in head and neck cancer patients successfully treated by radiation therapy. Experimental and epidemiological data suggest that these second primaries might be prevented by antioxidant vitamins, in particular beta-carotene and alpha-tocopherol. A randomized double-blind clinical trial is being conducted in Canada to determine whether vitamin supplementation with beta-carotene (30 mg/d) and alpha-tocopherol (400 IU/d) reduces the incidence of second primaries in head and neck cancer patients treated by radiation therapy.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Vitaminas
/
Carcinoma de Células Escamosas
/
Segunda Neoplasia Primária
/
Neoplasias de Cabeça e Pescoço
/
Antineoplásicos
Tipo de estudo:
Clinical_trials
/
Etiology_studies
/
Observational_studies
/
Prognostic_studies
/
Risk_factors_studies
Limite:
Humans
Idioma:
Fr
Ano de publicação:
1996
Tipo de documento:
Article