alexa A phase II trial of vinorelbine and intensive temozolomide for patients with recurrent or progressive brain metastases.


Chemotherapy: Open Access

Author(s): Iwamoto FM, Omuro AM, Raizer JJ, Nolan CP, Hormigo A,

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Abstract PURPOSE: To investigate the efficacy and safety of the combination of vinorelbine and intensive temozolomide for recurrent or progressive brain metastases from solid tumors. METHODS: Patients > or =18 years of age and with Karnofsky performance scale (KPS) > or = 60, adequate organ function and progressive or recurrent brain metastases were eligible. This was a phase II trial with 28-day cycles using temozolomide (150 mg/m(2), days 1-7 and 15-21) and vinorelbine 25 or 30 mg/m(2 )on days one and eight. The primary endpoint was objective radiographic response. RESULTS: Thirty-eight patients (15 men, 23 women) with a median age of 57 years (range, 39-75) and median KPS of 80 were enrolled. The primary tumor sites were lung (n = 20), breast (n = 11), colorectal (n = 2), kidney (n = 2), bladder (n = 1), endometrium (n = 1), head and neck (n = 1). Prior therapies included chemotherapy (97\%), whole-brain radiation therapy (79\%), brain metastasis resection (53\%) and stereotatic radiosurgery (47\%). Objective radiographic response rate was 5\% (one complete response and one minor response); five patients had stable disease, 29 progressive disease and two patients were not evaluable. Twenty-nine patients (76\%) have died and the median follow-up of survivors was six months. Median progression-free and overall survivals were 1.9 and 5 months, respectively. Grade 3/4 toxicities were mainly hematological and two patients discontinued the study due to myelosuppression. CONCLUSIONS: In this heavily pretreated population of patients with brain metastases, adding vinorelbine and increasing the intensity of temozolomide do not improve response rates compared to previous studies with single-agent temozolomide at standard doses. This article was published in J Neurooncol and referenced in Chemotherapy: Open Access

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