Skip Navigation LinksHome > September 10, 2011 - Volume 25 - Issue 14 > Antiviral activity, safety, and pharmacokinetics/pharmacodyn...
doi: 10.1097/QAD.0b013e32834a1dd9
Clinical Science

Antiviral activity, safety, and pharmacokinetics/pharmacodynamics of dolutegravir as 10-day monotherapy in HIV-1-infected adults

Min, Sherenea; Sloan, Louisb; DeJesus, Edwinc; Hawkins, Trevord; McCurdy, Lewise; Song, Ivya; Stroder, Richarda; Chen, Shuguanga; Underwood, Marka; Fujiwara, Tamiof; Piscitelli, Stephena; Lalezari, Jayg



There is an error in Fig. 2 of the article ‘Antiviral activity, safety, and pharmacokinetics/pharmacodynamics of dolutegravir as 10-day monotherapy in HIV-1-infected adults.’ by Sherene M. et al. which appeared on pp. 1737–1745 of AIDS, volume 25, issue 14 [1].

In the original figure, the Ctau on the x-axis is incorrect but the correct version can be found in the figure below:

AIDS. 27(4):673, February 20, 2013.

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Objective: To evaluate the antiviral activity, safety, pharmacokinetics, and pharmacokinetics/pharmacodynamics of dolutegravir (DTG), a next-generation HIV integrase inhibitor (INI), as short-term monotherapy.

Design: A phase IIa, randomized, double-blind, dose-ranging study.

Methods: In this study, INI-naive, HIV-1-infected adults currently off antiretroviral therapy were randomized to receive DTG (2, 10, or 50 mg) or placebo once daily for 10 days in an eight active and two placebo randomization scheme per DTG dose. Placebo patients were pooled for the purpose of analysis.

Results: Thirty-five patients (n = 9 for DTG 2 and 10 mg, n = 10 for DTG 50 mg, and n = 7 for placebo) were enrolled. Baseline characteristics were similar across dose groups. Significant reductions in plasma HIV-1 RNA from baseline to day 11 were observed for all DTG dose groups compared with placebo (P < 0.001), with a mean decrease of 1.51–2.46 log10 copies/ml. In addition, a well characterized dose–response relationship was observed for viral load decrease. Most patients (seven of 10, 70%) receiving DTG 50 mg achieved plasma HIV-1 RNA less than 50 copies/ml. The pharmacokinetic variability was low (coefficient of variation, range 25–50%). Plasma HIV-1 RNA reduction was best predicted by Cτ using an Emax model. The most common adverse events were diarrhea, fatigue, and headache; the majority of adverse events were mild or moderate in severity.

Conclusion: Dolutegravir demonstrated potent antiviral activity, good short-term tolerability, low pharmacokinetic variability, and a predictable pharmacokinetics/pharmacodynamics relationship, which support once-daily dosing without a pharmacokinetic booster in integrase-naive patients in future studies.

© 2011 Lippincott Williams & Wilkins, Inc.


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