Combined methotrexate and high-dose vincristine chemotherapy with radiation therapy for small cell bronchogenic carcinoma
- 1 April 1985
- Vol. 55 (7) , 1436-1445
- https://doi.org/10.1002/1097-0142(19850401)55:7<1436::aid-cncr2820550703>3.0.co;2-9
Abstract
The addition of methotrexate to a previously described regimen of cyclophosphamide, Adriamycin (doxorubicin), and high-dose vincristine (VAC) was tested in 50 cvaluable patients with small cell bronchogenic carcinoma. Prophylactic whole brain radiation therapy was given during the first chemotherapy course and consolidation radiation therapy was given to the mediastinum and primary site after achieving partial or complete remission. The addition of methotrexate did not improve the incidence of complete remission as compared to a previous regimen without it. The addition of radiation therapy improved the local control rate. The high-dose vincristine in this and a previous CAV study improved the incidence of complete remission in both limited and extensive disease presentation as compared with the authors' previous experience and induced an acceptable and reversible neurotoxicity. Moderate dose consolidation radiotherapy to the lung primary and mediastinum was effective in improving local control. The distinction between limited and extensive disease was found to be vague, as 22% of the patients could be shifted from one group to the other depending on definition. The evaluation of the various staging procedures indicates that bone scan gave a small number of truly abnormal tests. Isotopic brain and liver-spleen scan could be duplicated by computerized axial tomography (CAT). CAT scan of abdomen disclosed unexpected extension to the retroperitoneal nodes and adrenals. It is concluded that radionuclide studies of brain, liver-spleen, and bone can be eliminated and can be replaced by CAT scan of brain, chest, and abdomen. Site of recurrence indicate that most intrathoracic recurrences took place outside the radiation therapy field and in the pleural space. An incidental finding was the high incidence of intramedullary spinal cord recurrence.This publication has 25 references indexed in Scilit:
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