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J Clin Oncol. 2005 Dec 10;23(35):9001-7. Epub 2005 Oct 31.

Temozolomide in combination with interferon-alfa versus temozolomide alone in patients with advanced metastatic melanoma: a randomized, phase III, multicenter study from the Dermatologic Cooperative Oncology Group.

Author information

1
Department of Dermatology, J.W. Goethe-University, Frankfurt am Main, Germany.

Abstract

PURPOSE:

Temozolomide (TMZ) has shown efficacy in metastatic melanoma equal to that of dacarbazine (DTIC), the standard chemotherapeutic agent for melanoma. As the combination with interferon-alfa (IFN-alpha) appears superior to single-agent DTIC regarding response rates, the purpose of this study was to compare TMZ alone and TMZ plus IFN-alpha in terms of objective response (OR), overall survival, and safety in a prospective, randomized, multicenter trial.

PATIENTS AND METHODS:

Two hundred ninety-four patients with untreated stage IV metastatic melanoma (American Joint Committee on Cancer staging system) were randomly assigned to receive either oral TMZ alone (200 mg/m2/day; days 1 through 5 every 28 days) or in combination with subcutaneous IFN-alpha (5 MU/m2; days 1, 3, and 5 every week).

RESULTS:

Two hundred eighty-two patients were eligible for an intent-to-treat analysis, 271 patients were treated per protocol. In the TMZ + IFN-alpha arm, 33 (24.1%) of 137 patients responded to therapy (partial or complete remission) whereas in the monotherapy arm, in 18 (13.4%) of 134 patients, a response was evident. Thus, the response rate was significantly higher in the combination arm (P = .036). Median survival time was 8.4 months for patients treated with TMZ (95% CI, 7.07 to 9.27) and 9.7 months for those treated with the combination (95% CI, 8.26 to 11.18; P = .16). Dose modifications and interval prolongations due to hematologic toxicity were significantly more frequent in the TMZ + IFN-alpha arm (P < .001).

CONCLUSION:

In metastatic melanoma treatment with TMZ + IFN-alpha leads to a significantly superior OR rate compared to treatment with TMZ alone, which did not translate into prolonged survival in our study population.

PMID:
16260697
DOI:
10.1200/JCO.2005.01.1551
[Indexed for MEDLINE]

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