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  1. Bladder and kidney cancer following cyclophosphamide therapy for non-Hodgkin's lymphoma.

    Article - En anglais

    Background 

    Cyclophosphamide is an established bladder carcinogen, but few studies have examined the relationship between dose and effect.

    The largest analysis to date included only seven cases of bladder cancer.

    No investigation has estimated the risk of kidney cancer.

    Purpose 

    The purpose of this study was to quantify the risk of bladder and kidney cancer following cyclophosphamide therapy.

    Methods 

    Within a cohort of 6171 two-year survivors of non-Hodgkin's lymphoma (NHL), 48 patients with secondary cancer of the urinary tract were identified and matched to 136 control subjects with NHL who did not develop a second malignancy.

    Detailed information on chemotherapeutic drugs and cumulative dose received was collected for all subjects.

    Radiation dose to the target organ was estimated from individual radiotherapy records.

    Evaluations of the risk of second cancer as a result of treatment with cyclophosphamide alone ; radiation alone, or both therapies were made relative to those patients who were exposed to neither treatment modality.

    Results 

    A significant 4.5-fold risk of bladder cancer (95% confidence interval [CI]=1.5-13.6) followed therapy with cyclophosphamide, and risk was dependent upon cumulative dose.

    Among patients who received a total amount of cyclophosphamide of less than 20 g, a nonsignificant 2.4-fold risk of bladder cancer was apparent.

    Mots-clés Pascal : Lymphome non hodgkinien, Cyclophosphamide, Agent alkylant, Anticancéreux, Chimiothérapie, Traitement, Tumeur maligne, Vessie urinaire, Rein, Second cancer, Carcinogène, Toxicité, Facteur risque, Epidémiologie, Etats Unis, Amérique du Nord, Amérique, Canada, Suède, Europe, Complication, Homme, Hémopathie maligne, Lymphoprolifératif syndrome, Vessie pathologie, Appareil urinaire pathologie, Voie urinaire pathologie, Rein pathologie, Etude cas témoin

    Mots-clés Pascal anglais : Non Hodgkin lymphoma, Alkylating agent, Antineoplastic agent, Chemotherapy, Treatment, Malignant tumor, Urinary bladder, Kidney, Second cancer, Carcinogen, Toxicity, Risk factor, Epidemiology, United States, North America, America, Canada, Sweden, Europe, Complication, Human, Malignant hemopathy, Lymphoproliferative syndrome, Bladder disease, Urinary system disease, Urinary tract disease, Renal disease, Case control study

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 95-0352549

    Code Inist : 002B02U10. Création : 01/03/1996.