Cancer treatment reviews · 2008
Biochemotherapy for the treatment of metastatic malignant melanoma: a systematic review.
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Hamm Caroline, Verma Shailendra, Petrella Teresa, Bak Kate, Charette Manya, Melanoma Disease Site Group of Cancer Care Ontario's Program in Evidence-based Care
Аннотация
BACKGROUND: The incidence of malignant melanoma has increased in recent years. Current therapies for metastatic melanoma include chemotherapy and a variety of immunotherapeutic choices. With no established standard treatment option, the evaluation of biochemotherapy is warranted.
METHODS: A systematic review of the literature was conducted to locate randomized controlled trials, meta-analyses, systematic reviews, and evidence-based practice guidelines published up to April 2007.
RESULTS: Nine eligible randomized controlled trials were identified, including six comparing chemotherapy alone to biochemotherapy (chemotherapy combined with interleukin-2 and interferon). Response rates were significantly higher with biochemotherapy in only two trials, although when data were pooled, biochemotherapy was superior to chemotherapy on response (relative risk, 1.52; 95% confidence interval, 1.24-1.87; p<0.0001) but did not delay time to progression (Hazard ratio, 0.80; 95% confidence interval, 0.63-1.01; p=0.06). Biochemotherapy was not associated with a statistically significant survival benefit in any of the individual trials or in a pooled analysis (Hazard ratio, 0.95; 95% confidence interval, 0.78-1.17; p=0.64). Biochemotherapy is a toxic therapy, and patients are likely to experience serious hematologic, gastrointestinal, cutaneous, and constitutional toxicities, although when conducted in the correct setting, grade 3 and 4 effects appear to be manageable, and treatment-related death can be minimized.
CONCLUSION: The results of available studies are inconsistent with regard to benefit (response, time-to-progression, and survival) and show consistently high toxicity rates. Therefore, biochemotherapy is not recommended for the treatment of metastatic malignant melanoma in adults.
METHODS: A systematic review of the literature was conducted to locate randomized controlled trials, meta-analyses, systematic reviews, and evidence-based practice guidelines published up to April 2007.
RESULTS: Nine eligible randomized controlled trials were identified, including six comparing chemotherapy alone to biochemotherapy (chemotherapy combined with interleukin-2 and interferon). Response rates were significantly higher with biochemotherapy in only two trials, although when data were pooled, biochemotherapy was superior to chemotherapy on response (relative risk, 1.52; 95% confidence interval, 1.24-1.87; p<0.0001) but did not delay time to progression (Hazard ratio, 0.80; 95% confidence interval, 0.63-1.01; p=0.06). Biochemotherapy was not associated with a statistically significant survival benefit in any of the individual trials or in a pooled analysis (Hazard ratio, 0.95; 95% confidence interval, 0.78-1.17; p=0.64). Biochemotherapy is a toxic therapy, and patients are likely to experience serious hematologic, gastrointestinal, cutaneous, and constitutional toxicities, although when conducted in the correct setting, grade 3 and 4 effects appear to be manageable, and treatment-related death can be minimized.
CONCLUSION: The results of available studies are inconsistent with regard to benefit (response, time-to-progression, and survival) and show consistently high toxicity rates. Therefore, biochemotherapy is not recommended for the treatment of metastatic malignant melanoma in adults.