The aim of this study is to evaluate the effect of giving adjuvant treatment with intermediate doses of interferon-alpha2b to patients operated for high risk melanoma. Patients are randomly assigned to either observation only or interferon treatment for 2 different durations. The outcome with respect to overall survival, relapse-free survival, side effects and quality of life is analysed.
This is an open multicenter, prospective randomised phase III trial evaluating the efficacy of two different schedules of Interferon-alpha2b (IFN-alpha2b) administered in an adjuvant setting after adequate surgery in high risk cutaneous melanoma patients (T4N0M0/TxN1-2M0). The patients have been operated for either a thick primary melanoma (\> 4 mm) without evidence of distant metastasis or have undergone surgery for regional lymph node metastases. The study consists of a control arm (A) and two treatment arms, B and C. The outcome in arms B and C with adjuvant treatment with IFN-alpha2b will be compared to the outcome of arm A in which the patients will only be observed after the surgery. The primary endpoint is overall survival. Secondary endpoints are relapse-free survival, safety-toxicity and health-related quality of life.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
855
Induction: IFN-alpha2b, 10 MU (flat dose), SC, 5 days/week, 4 weeks Maintenance: IFN-alpha2b, 10 MU (flat dose), 3 days/week, SC, 12 months
Induction: IFN-alfa2b, 10 MU (flat dose), SC, 5 days/week, 4 weeks Maintenance: IFN-alfa2b, 10 MU (flat dose), 3 days/week, SC, 24 months
Karolinska Institutet, Karolinska University Hospital,
Stockholm, Sweden
Overall survival
All registered deaths, not only melanoma-specific.
Time frame: Evaluated at regular intervals: every 3 months for 2 years, every 6 months up to 5 years and yearly up to 10 years following randomization. Actual median follow-up is 72.4 months
Relapse free survival
Time from randomization to date of first reported melanoma recurrence or death
Time frame: Evaluated at regular intervals
Safety-toxicity
All toxicities and SAEs are recorded and classified according to CTC v2.0 criteria
Time frame: Regular evaluations
Health related quality of life
Recorded by using the EORTC QLQ-C30 questionnaire at nine time points during treatment and follow-up
Time frame: Regular evaluations
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