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Choice of the initial antiretroviral treatment for HIV-positive individuals in the era of integrase inhibitors

AuthorsAlejos, Belén; Suárez-García, Inés; Bisbal, Otilia; Iribarren, José A.; Asensi, Víctor; Górgolas-Hernández-Mora, Miguel; Muga, Roberto; Moreno, Santiago; Jarrín, Inma
Issue Date26-Aug-2019
PublisherPublic Library of Science
CitationPLoS ONE 14(8): e0221598 (2019)
Abstract[Background] We aimed to describe the most frequently prescribed initial antiretroviral therapy (ART) regimens in recent years in HIV-positive persons in the Cohort of the Spanish HIV/AIDS Research Network (CoRIS) and to investigate factors associated with the choice of each regimen.
[Methods] We analyzed initial ART regimens prescribed in adults participating in CoRIS from 2014 to 2017. Only regimens prescribed in >5% of patients were considered. We used multivariable multinomial regression to estimate Relative Risk Ratios (RRRs) for the association between sociodemographic and clinical characteristics and the choice of the initial regimen.
[Results] Among 2874 participants, abacavir(ABC)/lamivudine(3TC)/dolutegavir(DTG) was the most frequently prescribed regimen (32.1%), followed by tenofovir disoproxil fumarate (TDF)/emtricitabine (FTC)/elvitegravir(EVG)/cobicistat(COBI) (14.9%), TDF/FTC/rilpivirine (RPV) (14.0%), tenofovir alafenamide (TAF)/FTC/EVG/COBI (13.7%), TDF/FTC+DTG (10.0%), TDF/FTC+darunavir/ritonavir or darunavir/cobicistat (bDRV) (9.8%) and TDF/FTC+raltegravir (RAL) (5.6%). Compared with ABC/3TC/DTG, starting TDF/FTC/RPV was less likely in patients with CD4<200 cells/μL and HIV-RNA>100.000 copies/mL. TDF/FTC+DTG was more frequent in those with CD4<200 cells/μL and HIV-RNA>100.000 copies/mL. TDF/FTC+RAL and TDF/FTC+bDRV were also more frequent among patients with CD4<200 cells//μL and with transmission categories other than men who have sex with men. Compared with ABC/3TC/DTG, the prescription of other initial ART regimens decreased from 2014–2015 to 2016–2017 with the exception of TDF/FTC+DTG. Differences in the choice of the initial ART regimen were observed by hospitals’ location.
[Conclusions] The choice of initial ART regimens is consistent with Spanish guidelines’ recommendations, but is also clearly influenced by physician’s perception based on patient’s clinical and sociodemographic variables and by the prescribing hospital location.
DescriptionCoRIS cohort.
Publisher version (URL)https://doi.org/10.1371/journal.pone.0221598
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