Evaluation of drug delivery and survival impact of dose-intense relative to conventional-dose methotrexate, vinblastine, doxorubicin, and cisplatin chemotherapy in urothelial cancer.
The efficacy of dose-intense methotrexate, vinblastine, doxorubicin, and cisplatin (M-VAC) chemotherapy relative to conventional-dose M-VAC in patients with advanced transitional cell carcinoma is unknown. The outcomes of 33 patients on two successive protocols using dose-intense M-VAC with granulocyte colony-stimulating factor (G-CSF) support were compared with those of 129 patients treated with conventional-dose M-VAC to assess for an impact of dose-intense therapy on long-term survival. The mean relative dose intensity of chemotherapy delivered to the dose-intense cohort was 55% higher than that delivered to the conventional-dose cohort (p = 0.0001). However, no significant differences were observed with regard to response proportion (72% vs. 76%), median survival (13.3 vs. 16.7 months, p = 0.31), or 5-year survival (16% vs. 15%). Growth factor support enabled a statistically significant increase in the delivered dose intensity of M-VAC chemotherapy, but no survival advantage relative to conventional-dose M-VAC was observed.
Dodd
P M
PM
Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, New York, USA.
McCaffrey
J A
JA
Mazumdar
M
M
Scher
H
H
Higgins
G
G
Boyle
M G
MG
Herr
H
H
Bajorin
D F
DF
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000008:administration & dosage*; D002295:Carcinoma, Transitional Cell / Q000188:drug therapy* / Q000401:mortality; D002945:Cisplatin / Q000008:administration & dosage; D004317:Doxorubicin / Q000008:administration & dosage; D006801:Humans; D008727:Methotrexate / Q000008:administration & dosage; D008875:Middle Aged; D012189:Retrospective Studies; D001749:Urinary Bladder Neoplasms / Q000188:drug therapy* / Q000401:mortality; D014747:Vinblastine / Q000008:administration & dosage
D014747:Vinblastine; D004317:Doxorubicin; D002945:Cisplatin; D008727:Methotrexate