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Kaposi Sarcoma Incidence, Burden and Prevalence in United States People with HIV, 2000–2015
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9 2021
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Source: Cancer Epidemiol Biomarkers Prev. 30(9):1627-1633
[PDF-257.21 KB]
Details:
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Alternative Title:Cancer Epidemiol Biomarkers Prev
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Personal Author:
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Description:Background:
The introduction of combination antiretroviral therapy (cART) has led to a significant reduction in Kaposi sarcoma (KS) incidence among people with HIV (PWH). However, it is unclear if incidence has declined similarly across key demographic and HIV transmission groups and the annual number of incident and prevalent KS cases remains unquantified.
Methods:
Using population-based registry linkage data, we evaluated temporal trends in KS incidence using adjusted Poisson regression. Incidence and prevalence estimates were applied to CDC HIV surveillance data, to obtain the number of incident (2008–2015) and prevalent (2015) cases in the United States.
Results:
Among PWH, KS rates were elevated 521-fold (95% confidence intervals [CI]: 498, 536) compared to the general population and declined from 109 per 100,000 person-years in 2000 to 47 per 100,000 person-years in 2015, at an annual percentage change of −6%. Rates declined substantially (p-trend<0∙005) across all demographic and HIV transmission groups. Of the 5,306 new cases estimated between 2008 and 2015, 89% occurred among men who have sex with men. At the end of 2015, 1,904 PWH (0.20%) had been diagnosed with KS in the previous 5 years.
Conclusions:
A consistent gradual decline in KS incidence has occurred among PWH in the United States during the current cART era. This decrease is uniform across key demographic and HIV transmission groups, though rates remain elevated relative to the general population.
Impact:
Continued efforts to control HIV through early cART initiation and retention in care need to be maintained and possibly expanded to sustain declines.
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Pubmed ID:34162660
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Pubmed Central ID:PMC8419027
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Volume:30
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Issue:9
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