Effect of Addition of Raltegravir (MK-0518) to PI- or NNRTI-Based ART Regimens in HIV Infected Subjects With Undetectable Viral Load

Summary

Raltegravir (MK-0518) is an HIV-1 integrase inhibitor with potent in vitro activity against HIV-1 strains including those resistant to currently available antiretroviral drugs. The purpose of this study is to assess the effectiveness of raltegravir in further reducing viral load in HIV infected patients that have already achieved viral suppression below the level of detection of standard viral load assays when added to antiretroviral therapy (ART).

Timeline

Start

2007-11

Primary completion

2008-09

Completion

2008-11

Outcome

Missed primary endpoint

paper The HIV-1 RNA level at weeks 10/12 did not differ significantly between the raltegravir-intensified (n = 25) and the placebo (n = 24) groups PMID 20711481 ↗

paper median 1.2 versus 1.7 copies/mL, p = 0.55, Wilcoxon rank sum test PMID 20711481 ↗

Publications

• Background Grinsztejn B, Nguyen BY, Katlama C, Gatell JM, Lazzarin A, Vittecoq D, Gonzalez CJ, Chen J, Harvey CM, Isaacs RD; Protocol 005 Team. Safety and efficacy of the HIV-1 integrase inhibitor raltegravir (MK-0518) in treatment-experienced patients with multidrug-resistant virus: a phase II randomised controlled trial. Lancet. 2007 Apr 14;369(9569):1261-1269. doi: 10.1016/S0140-6736(07)60597-2.
• Background Kassahun K, McIntosh I, Cui D, Hreniuk D, Merschman S, Lasseter K, Azrolan N, Iwamoto M, Wagner JA, Wenning LA. Metabolism and disposition in humans of raltegravir (MK-0518), an anti-AIDS drug targeting the human immunodeficiency virus 1 integrase enzyme. Drug Metab Dispos. 2007 Sep;35(9):1657-63. doi: 10.1124/dmd.107.016196. Epub 2007 Jun 25.
• Background Markowitz M, Morales-Ramirez JO, Nguyen BY, Kovacs CM, Steigbigel RT, Cooper DA, Liporace R, Schwartz R, Isaacs R, Gilde LR, Wenning L, Zhao J, Teppler H. Antiretroviral activity, pharmacokinetics, and tolerability of MK-0518, a novel inhibitor of HIV-1 integrase, dosed as monotherapy for 10 days in treatment-naive HIV-1-infected individuals. J Acquir Immune Defic Syndr. 2006 Dec 15;43(5):509-15. doi: 10.1097/QAI.0b013e31802b4956.
• Results Gandhi RT, Zheng L, Bosch RJ, Chan ES, Margolis DM, Read S, Kallungal B, Palmer S, Medvik K, Lederman MM, Alatrakchi N, Jacobson JM, Wiegand A, Kearney M, Coffin JM, Mellors JW, Eron JJ; AIDS Clinical Trials Group A5244 team. The effect of raltegravir intensification on low-level residual viremia in HIV-infected patients on antiretroviral therapy: a randomized controlled trial. PLoS Med. 2010 Aug 10;7(8):e1000321. doi: 10.1371/journal.pmed.1000321.
• Gandhi RT, Coombs RW, Chan ES, Bosch RJ, Zheng L, Margolis DM, Read S, Kallungal B, Chang M, Goecker EA, Wiegand A, Kearney M, Jacobson JM, D'Aquila R, Lederman MM, Mellors JW, Eron JJ; AIDS Clinical Trials Group (ACTG) A5244 Team. No effect of raltegravir intensification on viral replication markers in the blood of HIV-1-infected patients receiving antiretroviral therapy. J Acquir Immune Defic Syndr. 2012 Mar 1;59(3):229-35. doi: 10.1097/QAI.0b013e31823fd1f2.

Drugs

Evaluation	Drug	Modality	Dose	Route
Subject	Raltegravir	Other / unclassified	400 mg	Oral

Indications