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A nucleoside-sparing regimen of dolutegravir plus ritonavir-boosted atazanavir in HIV-1-infected patients with virological failure: the DOLATAV study

Authors Spagnuolo V, Galli L, Poli A, Bigoloni A, Fumagalli L, Gianotti N, Nozza S, Ferrari D, Locatelli M, Lazzarin A, Castagna A

Received 24 October 2018

Accepted for publication 9 January 2019

Published 24 January 2019 Volume 2019:13 Pages 477—479


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Qiongyu Guo

Vincenzo Spagnuolo,1,2 Laura Galli,2 Andrea Poli,2 Alba Bigoloni,2 Luca Fumagalli,2 Nicola Gianotti,2 Silvia Nozza,2 Davide Ferrari,3 Massimo Locatelli,3 Adriano Lazzarin,2 Antonella Castagna1,2

1Vita-Salute San Raffaele University, Faculty of Medicine and Surgery, Milan, Italy; 2Clinic of Infectious Diseases, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) San Raffaele Scientific Institute, Milan, Italy; 3Laboratory Medicine Service, IRCCS San Raffaele Hospital, Milan, Italy
The increased exposure of dolutegravir (DTG) when given with atazanavir/ritonavir (ATV/r), as well as the acceptable safety profile, may suggest the use of this combination as a two-drug regimen both in virologically suppressed and treatment-failing subjects.1–5 
This nucleoside reverse transcriptase inhibitors (NRTIs)-sparing regimen, characterized by a high genetic barrier, may represent an option in patients who have failed previous regimens and developed pharmacoresistance mutations to NRTIs and nonnucleoside reverse transcriptase inhibitors (NNRTIs). 
However, no data on DTG plus boosted ATV in patients with virological failure are currently available. 
Therefore, the aim of the DOLATAV study was to investigate the efficacy, safety, and pharmacokinetics of ATV/r 300/100 mg once-daily plus DTG 50 mg once-daily

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