TITLE

A randomized, controlled study evaluating an induction treatment strategy in which enfuvirtide was added to an oral, highly active antiretroviral therapy regimen in treatment-experienced patients: the INTENSE study

AUTHOR(S)
Bonaventura Clotet; Amedeo Capetti; Luis E. Soto-Ramirez; Jose M. Gatell; Lucy Rowell; Miklos Salgo; Jonathan M. Schapiro
PUB. DATE
December 2008
SOURCE
Journal of Antimicrobial Chemotherapy (JAC);Dec2008, Vol. 62 Issue 6, p1374
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
: Objectives The aim of the study was to compare the efficacy and safety of induction with the addition of enfuvirtide to a newly designed oral, highly active antiretroviral therapy (HAART) regimen versus HAART alone followed by a maintenance phase wherein participants were randomized to either continue/discontinue enfuvirtide while maintaining HAART or continue HAART alone (NCT00487188). : Methods Participants with HIV-1 RNA ≥1000 copies/mL, CD4 count ≥200 cells/mm3 and genotype sensitivity score ≥2 (excluding enfuvirtide) were randomized 2:1 to enfuvirtide+HAART or HAART alone and assessed every 4 weeks. Participants achieving <50 copies/mL on two consecutive visits by week 24 entered a maintenance phase wherein those receiving enfuvirtide+HAART underwent another randomization 1:1 to maintain enfuvirtide+HAART or discontinue enfuvirtide; those receiving HAART alone continued their regimen. Virological and immunological endpoints were analysed at weeks 24 and 48. : Results At 24 weeks, 20/31 (65%) participants in the enfuvirtide+HAART arm versus 8/16 (50%) participants in the HAART arm achieved <50 copies/mL. Median time to achieving <50 copies/mL was 57 versus 141 days in the enfuvirtide+HAART and HAART arms (P = 0.048). Withdrawals were similar between groups. In the maintenance phase, at 48 weeks, 14/19 (74%) in the original enfuvirtide+HAART arm (regardless of second randomization) versus 4/8 (50%) in the HAART arm had <50 copies/mL. During maintenance, there were two virological failures in the enfuvirtide+HAART continuation arm, one in the enfuvirtide discontinuation arm and none in the HAART arm. : Conclusions Although limited by small participant numbers, these results suggest that treatment with enfuvirtide added to HAART may be an option for many patients.
ACCESSION #
35260795

 

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