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Wednesday 01 March 2006

Clinical results and quality of life analysis for the MVAC combination (methotrexate, vinblastine, doxorubicin, and cisplatin) in carcinoma of the uterine cervix: A Gynecologic Oncology Group study.

By: Long HJ 3rd, Monk BJ, Huang HQ, Grendys EC Jr, McMeekin DS, Sorosky J, Miller DS, Eaton LA, Fiorica JV; Gynecologic Oncology Group.

Gynecol Oncol 2006 Mar;100(3):537-43

OBJECTIVES: The Gynecologic Oncology Group (GOG) compared methotrexate, vinblastine, doxorubicin, and cisplatin (MVAC) with topotecan and cisplatin (TC) or cisplatin alone (C) in advanced cervical cancer. The primary endpoint was overall survival (OS), with response rate, progression-free survival (PFS), and quality of life (QOL) as secondary objectives. METHODS: Eligible patients were randomly allocated to receive either cisplatin 50 mg/m2 q 3 weeks (C) or cisplatin 50 mg/m2 day 1 and topotecan 0.75 mg/m2 days 1-3 q 3 weeks (TC) or methotrexate 30 mg/m2 days 1, 15, and 22, vinblastine 3 mg/m2 days 2, 15, and 22, doxorubicin 30 mg/m2 day 2, and cisplatin 70 mg/m2 day 2 q 4 weeks (MVAC). QOL was assessed at four time points using the Functional Assessment of Cancer Therapy-Cervix (FACT-Cx), Neurotoxicity Subscale (FACT/GOG-NTX subscale), and Brief Pain Inventory (BPI). RESULTS: One hundred eighty-six patients (C = 60; TC = 63; MVAC = 63) were enrolled before MVAC was closed by the GOG Data Safety Monitoring Board after four treatment-related deaths occurred on that arm. MVAC produced a 22% overall response rate (95% CI: 0.13 to 0.34) and median PFS and OS of 4.4 months and 9.4 months, respectively. Compared with C and TC, there was more hematologic toxicity with MVAC. There were no appreciable differences in QOL scores after controlling for baseline scores. CONCLUSIONS: MVAC's clinical activity tended to be similar to that of TC but with an unacceptable risk of death from sepsis at this dose and schedule. Nevertheless, QOL, as measured by these instruments, was not substantially impaired by this regimen.

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