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Cancer. 2010 Jul 15;116(14):3463-8. doi: 10.1002/cncr.25191.

A study of paclitaxel, carboplatin, and bortezomib in the treatment of metastatic malignant melanoma: a phase 2 consortium study.

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Department of Medical Oncology, Melanoma Study Group, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA.



Chemotherapy has not been reported to have a significant impact on survival for patients with metastatic melanoma. Bortezomib was shown to have additive/synergistic effects with several chemotherapeutic agents, including paclitaxel and platinum. A phase 1 trial of this 3-drug combination reported that 6 of 28 patients treated with bortezomib followed by paclitaxel and carboplatin achieved a partial response (including 2 of 5 patients with metastatic melanoma).


A 2-stage phase 2 clinical trial was conducted to assess the antitumor activity of this 3-agent combination in patients with metastatic melanoma who had received at most 1 prior chemotherapy for metastatic disease. Treatment included bortezomib at a dose of 1.3 mg/m2 intravenously on Days 1, 4, and 8; paclitaxel at a dose of 175 mg/m2; and carboplatin at an area under the concentration (AUC) of 6 on Day 2 of a 21-day cycle. The primary endpoint of this trial was tumor response rate (TRR).


Seventeen eligible patients were enrolled. A median of 4 cycles were administered (range, 1-7 cycles). Three patients discontinued treatment due to persistent grade 4 (based on National Cancer Institute Common Terminology Criteria for Adverse Events [version 3.0]) neutropenia with grade 3 leukopenia (2 patients) or grade 4 pulmonary embolism (1 patient). Grade>or=3 toxicities included neutropenia (71%), leukopenia (41%), thrombocytopenia (29%), and arthralgia (12%). Two partial responses were observed (TRR, 11.8%). Four patients had stable disease at >12 weeks. The median progression-free survival was 3.2 months, and the median overall survival was 7.0 months.


Due to insufficient clinical efficacy, this trial did not proceed to second-stage accrual. The combination of paclitaxel, carboplatin, and bortezomib demonstrated limited clinical benefit and was associated with significant toxicity.

[Indexed for MEDLINE]
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