Triple therapy of vincristine, bleomycin and etoposide for children with Kaposi sarcoma: Results of a study in Malawian children

Marita Macken, Helen Dale, Dominic Moyo, Eunice Chakmata, Sarita Depani, Trijn Israels, Dalida Niyrenda, Simon Bailey, George Chagaluka, Elizabeth M. Molyneux

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Background: Kaposi sarcoma (KS) is the most common paediatric cancer in human immunodeficiency virus (HIV) endemic countries of sub-Saharan Africa, but there is little research on management and outcomes. Methods: Children with KS at Queen Elizabeth Central Hospital, Blantyre, Malawi treated between August 2012 and March 2015 with six courses of vincristine, bleomycin and etoposide combination chemotherapy, including antiretroviral therapy (ART) if HIV infected, were studied and outcomes compared with previously reported results. Findings: Fifty-six children were included; 38 (68%) were male; and 48 (86%) were HIV positive, of whom 36 (77%) were on ART at diagnosis. Median age at diagnosis was 8 years (interquartile range [IQR] 3–12) and median follow-up was 16.9 months (IQR 3.4–36.4). Quality of life improved in 45 (80%) children; the median Lansky Score increased from 80% pre-treatment to 100% post-treatment. Eighteen (32%) children had complete response to treatment. At 12 months, overall survival was 71% (95% confidence interval [CI] 56–82) and event-free survival (event = death, loss to follow-up or relapse) was 50% (95% CI 36–63). At 1 year, the risk of loss to follow-up was 13.4%. In a previous, same-site, randomized controlled study of vincristine monotherapy, vincristine and bleomycin, or oral etoposide, oral etoposide monotherapy had the best outcome with survival at 12 month of 66% (95% CI 46–80) and event-free survival of 52% (95% CI 33–68); however, loss to follow-up was not reported. Conclusion: Overall survival, event-free survival and quality of life appear to have improved with this three-agent combination chemotherapy; however larger, randomized studies are needed to determine optimal management.
Original languageEnglish
Article numbere26841
JournalPediatric Blood and Cancer
Issue number2
Publication statusPublished - 2018
Externally publishedYes

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