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BACKGROUND: The safety and efficacy of immunotherapy with histamine dihydrochloride (HDC), interleukin-2 (IL-2) and interferon-alpha2b (IFN) compared with dacarbazine (DTIC) in adult patients with stage IV melanoma was evaluated. PATIENTS AND METHODS: Two hundred and forty-one patients were randomized to either receive repeated 4-week cycles of IFN [3 MIU, s.c., once daily for 7 days], IL-2 (2.4 MIU/m(2), s.c., twice a day for 5 days) and HDC (1 mg, s.c., twice a day for 5 days) or DTIC 850 mg/m(2) i.v. every 3 weeks. The primary endpoint was overall survival. RESULTS: Median survival was longer for patients receiving HDC/IL-2/IFN (271 days) than for patients receiving DTIC (231 days), but this did not achieve statistical significance. Four patients receiving HDC/IL-2/IFN and nine receiving DTIC experienced at least one grade 4 adverse event. Striking differences in overall survival were observed between countries participating in the study. CONCLUSION: Treatment with HDC/IL-2/IFN was safely administered on an outpatient basis, but this immunotherapeutic regimen did not improve upon the response rate and overall survival seen with DTIC.

Original publication

DOI

10.1093/annonc/mdm331

Type

Journal article

Journal

Ann Oncol

Publication Date

10/2007

Volume

18

Pages

1691 - 1697

Keywords

Adult, Aged, Antineoplastic Combined Chemotherapy Protocols, Dacarbazine, Female, Histamine, Humans, Immunotherapy, Interferon alpha-2, Interferon-alpha, Interleukin-2, Male, Melanoma, Middle Aged, Multivariate Analysis, Neoplasm Staging, Recombinant Proteins