Effectiveness and safety of an abacavir/lamivudine + rilpivirine regimen for the treatment of HIV-1 infection in naive patients

Adrian Curran*, Jhon Rojas, Alfonso Cabello, Jesús Troya, Arkaitz Imaz, Pere Domingo, Esteban Martinez, Pablo Ryan, Miguel Górgolas, Daniel Podzamczer, Hernando Knobel, Félix Gutié rrez, Esteban Ribera

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)


Objectives: To describe the effectiveness and safety of an abacavir/lamivudine+rilpivirine regimen in naive HIV-1-infected patients, as there is a lack of data with this combination. Methods: This was an observational, retrospective, multicentre study in eight Spanish hospitals. All antiretroviralnaive patients ≥ 18 years old and starting abacavir/lamivudine + rilpivirine were included. Effectiveness (ITT and on-treatment) and safety (adverse events and laboratory parameters) were assessed during follow-up. Values are expressed as n (%) or median (IQR). The Wilcoxon signed-rank test was used to compare baseline and 6 and 12 month values. Results: Eighty-four patients were included [93% males, age=36 (30-45) years]. Time since HIV diagnosis was 12 (4-35) months. Fifty-one per cent of patients had comorbidities. Baseline CD4+ was 425 (340-519) cells/mm3 and baseline HIV-RNAwas 19000 (9500-42000) copies/mL. Median follow-up was 18 (9-22) months; 100%and 68%patients with at least 6 and 12 months, respectively. At 6 and 12 months effectiveness was 94%and 86%by ITT analysis and 96% and 97% by on-treatment analysis. At 12 months, there were significant increases in CD4+ (+262 cell/mm3) and HDL cholesterol (+4 mg/dL) and a significant decrease in the total cholesterol/HDL cholesterol ratio (20.2). There were two (2.4%) virological failures (HIV-RNA 50-100 copies/mL); one patient later achieving virological suppression without changing the treatment. Six patients (7.1%) changed treatment due to reasons other than virological failure or side effects. One patient discontinued treatment due to gastrointestinal complaints attributed to abacavir/lamivudine. Conclusions: Abacavir/lamivudine+rilpivirine was an effective and safe option in a selected group of HIV-1- infected treatment-naive patients.

Original languageEnglish
Pages (from-to)3510-3514
Number of pages5
JournalJournal of Antimicrobial Chemotherapy
Issue number12
Publication statusPublished - 1 Jan 2016


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