RATIONALE: Interferon alfa may interfere with the growth of cancer cells. Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Interleukin-2 may stimulate a person's white blood cells to kill melanoma cells. It is not yet known whether interferon alfa is more effective with or without combination chemotherapy and interleukin-2 for melanoma. PURPOSE: Randomized phase III trial to compare the effectiveness of interferon alfa with or without combination chemotherapy consisting of cisplatin, vinblastine, and dacarbazine, plus interleukin-2, in treating patients who have melanoma.
OBJECTIVES: * Compare the overall survival and disease-free survival of patients with high-risk melanoma treated with interferon alfa vs cisplatin, vinblastine, and dacarbazine plus interferon alfa and interleukin-2. * Compare the toxic effects of these treatment regimens in these patients. * Determine the relationship between minimal residual disease (MRD) status at 12 weeks and 52 weeks and overall survival of patients treated with these regimens. * Compare the effects of these treatment regimens on the MRD status of these patients. * Determine the relationship between clinical characteristics (number of involved lymph nodes, ulcerated primary, and extracapsular extension) and MRD in patients treated with these regimens. OUTLINE: This is a randomized, multicenter study. Patients are stratified according to nodal status (N1 or N2 vs N3), degree of lymph node involvement (micrometastases only vs any macrometastases, including satellite/in-transit metastases), and ulceration of the primary tumor (yes vs no vs unknown primary). Patients are randomized to 1 of 2 treatment arms. * Arm I: Patients receive interferon alfa IV on days 1-5 of weeks 1-4 followed by interferon alfa subcutaneously (SC) on days 1, 3, and 5 of weeks 5-52 in the absence of disease progression or unacceptable toxicity. * Arm II: Patients receive cisplatin IV over 30 minutes followed by vinblastine IV on days 1-4. Patients also receive dacarbazine IV over 1 hour on day 1, interleukin-2 IV over 96 hours on days 1-4, and interferon alfa SC on days 1-5, 8, 10, and 12. In addition, patients receive filgrastim (G-CSF) SC on days 6-15. Treatment repeats every 3 weeks for 3 courses in the absence of disease progression or unacceptable toxicity. Patients are followed every 3 months for 2 years, every 6 months for 3 years, and then annually for 5 years. PROJECTED ACCRUAL: A total of 410 patients (205 per treatment arm) will be accrued for this study within 3 years.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
432
Given IV
Given subcutaneously
Given IV and subcutaneously
Given IV
Given IV
Given IV
Lurleen Wallace Comprehensive Cancer at University of Alabama - Birmingham
Birmingham, Alabama, United States
Mobile Infirmary Medical Center
Mobile, Alabama, United States
Banner Thunderbird Medical Center
Glendale, Arizona, United States
Banner Good Samaritan Medical Center
Phoenix, Arizona, United States
CCOP - Western Regional, Arizona
Phoenix, Arizona, United States
5-year Overall Survival
Overall survival was measured from the date of registration to study until death from any cause with observations censored at the date of last contact for patients last known to be alive.
Time frame: Every three months for a year, every six months for years 2-5, annual for years 5-10
5-year Relapse-Free Survival
Measured from date of registration to date of first observation of progressive disease or death due to any cause.
Time frame: Every three months for the first year, every 6 months for years 2-5, annually for years 6-10
Toxicity
Number of patients with Grade 3-5 adverse events that are related to study drug by given type of adverse event
Time frame: While on treatment, patients on the HDIFN arm were assessed weekly for the 1st month, then every 2 weeks for the 2nd month, then every 3 months therafter; patients on the biochemo arm were assessed daily for the 1st 5 days, then weekly thereafter.
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Arizona Cancer Center at University of Arizona Health Sciences Center
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