Abstract
Abstract Background: Approximately 20% of patients with HIV will have Kaposi Sarcoma (KS) and about half will die within 3 months of diagnosis. Incidence and outcomes of KS have traditionally been linked to CD4 counts <350. More recently, KS has been increasingly described in higher CD4 counts and variable presentations in the era of Highly-Active-Antiretroviral-Therapy (HAART). No studies have established the role of Viral Load (VL) on KS. Objective: To determine the effect of CD4 count and HIV VL on KS presentation and outcomes. Methods: Retrospective review of KS patients with HIV admitted over 12 years (2000-2012). KS patients without HIV infection were excluded. Patients were divided into 4 groups based on CD4 count (≥200 or 100,000 or <100,000). Groups were analyzed with regards to KS severity (good vs poor risk), extent (soft tissue vs visceral), receipt of HAART and survival (6months). Statistical analysis was done via Chi-Square test. Results: 43 patients were included. KS affected predominantly young (30-40yrs), male (93%) HIV patients with VL >100,000 (85%) and CD4 counts 100,000 had a statistically significant increased incidence for visceral involvement (96%, p100,000 ((66.7% with good risk), increased survival (59.4% survived >6months) and less use of HAART (20%). Although, these differences were statistically insignificant. Conclusion: HIV VL of >100,000 is correlated with increased severity and extent of KS. Though statistically insignificant, CD4 counts <200 showed a trend for less severe disease and increased survival despite less use of HAART. Larger prospective studies are warranted to elucidate on these differences. Citation Format: Gentry T. King, Shivani Garg. Significance of HIV viral load and CD4 count on Kaposi sarcoma in the era of highly active antiretroviral therapy. [abstract]. In: Proceedings of the 105th Annual Meeting of the American Association for Cancer Research; 2014 Apr 5-9; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2014;74(19 Suppl):Abstract nr 3649. doi:10.1158/1538-7445.AM2014-3649
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