EVALUATION OF VINCRISTINE SULFATE AND CYCLOPHOSPHAMIDE CHEMOTHERAPY FOR METASTATIC NEUROBLASTOMA

Abstract
Among 18 evaluated children with metastatic neuroblastoma who were treated with vincristine sulfate by the Pediatric Division, Southwest Cancer Chemotherapy Study Group, the overall response rate was only 28%. A cyclic regimen using vincristine sulfate and cyclophosphamide alternately weekly produced a response rate of 38% among 21 children. The median duration of remission in each of the treatment groups was 3 months. Previous reports of a high degree of effectiveness for the cyclic regimen could not be confirmed. The presence of definite antitumor effect, however, should encourage the further exploration of the potential of chemotherapeutic regimens as adjuvants to surgery and radiation and as prophylactic therapy for children in whom the disease has not yet become metastatic.

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