Nicolò Girometti1,2, Nneka Nwokolo1, Alan McOwan1, Gary Whitlock1. 1. Chelsea & Westminster Hospital NHS Foundation Trust, London, UK. 2. Department of Medical Sciences and Surgery, Section of Infectious Diseases, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy.
Abstract
BACKGROUND: Few data exist on the benefits and acceptability of rapid initiation of antiretroviral treatment in acute HIV infection (AHI). We analysed a large cohort of acutely infected HIV patients starting antiretroviral therapy (ART) to determine uptake, linkage into care and time to achieve viral suppression. METHODS: Case notes of all individuals diagnosed with AHI between May 2014 and October 2015 at 56 Dean Street, a sexual health clinic in London, UK were reviewed. AHI was defined through documentation of plasma HIV RNA positivity only, plasma HIV RNA and p24 antigen positivity with a negative HIV enzyme immunoassay (EIA) test or HIV EIA test switching from negative to positive within 6 weeks. Between-group comparisons of time to viral suppression according to ART chosen were performed using the log-rank test. RESULTS: We identified 113 individuals with AHI. Linkage to care was 95%. 77% of patients started ART at first medical appointment: all men who have sex with men, median age 35 years, median viral load (VL) log10 6.45, median CD4+ T-cell count 483 cells/mm3. Median time from diagnosis to ART initiation was 20 days. At 24 weeks, no patients had discontinued ART; 99% of patients achieved viral suppression by 24 weeks, with a median time to documented VL suppression of 74 days. Viral suppression was more rapid with integrase inhibitors compared with other regimens (median 41 versus 88.5 days, P<0.05). CONCLUSIONS: In acute HIV infection, individuals demonstrated high ART uptake and rapid VL suppression suggesting that early treatment with antiretrovirals is acceptable and efficacious.
BACKGROUND: Few data exist on the benefits and acceptability of rapid initiation of antiretroviral treatment in acute HIV infection (AHI). We analysed a large cohort of acutely infected HIVpatients starting antiretroviral therapy (ART) to determine uptake, linkage into care and time to achieve viral suppression. METHODS: Case notes of all individuals diagnosed with AHI between May 2014 and October 2015 at 56 Dean Street, a sexual health clinic in London, UK were reviewed. AHI was defined through documentation of plasma HIV RNA positivity only, plasma HIV RNA and p24 antigen positivity with a negative HIV enzyme immunoassay (EIA) test or HIV EIA test switching from negative to positive within 6 weeks. Between-group comparisons of time to viral suppression according to ART chosen were performed using the log-rank test. RESULTS: We identified 113 individuals with AHI. Linkage to care was 95%. 77% of patients started ART at first medical appointment: all men who have sex with men, median age 35 years, median viral load (VL) log10 6.45, median CD4+ T-cell count 483 cells/mm3. Median time from diagnosis to ART initiation was 20 days. At 24 weeks, no patients had discontinued ART; 99% of patients achieved viral suppression by 24 weeks, with a median time to documented VL suppression of 74 days. Viral suppression was more rapid with integrase inhibitors compared with other regimens (median 41 versus 88.5 days, P<0.05). CONCLUSIONS: In acute HIV infection, individuals demonstrated high ART uptake and rapid VL suppression suggesting that early treatment with antiretrovirals is acceptable and efficacious.
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