nal samples
from the MERIT trial using the enhanced Trofile assay. These samples had
been previously archived by Monogram and laboratory personnel had no
knowledge of previous testing results or clinical outcomes data from the
trial. The results obtained with the enhanced sensitivity version of the
Trofile Assay were provided to Pfizer who conducted the clinical analysis
in accordance with a prespecified statistical analysis plan.
Using the enhanced Trofile assay, 15% of MERIT screening samples
previously defined as R5 HIV were reclassified as CXCR4-using (Dual/Mixed)
HIV, and thus would have been unable to participate in the study. Analyses
restricted to individuals with CCR5-tropic HIV as determined by the
enhanced Trofile assay demonstrated an overall improvement in Selzentry
efficacy relative to efavirenz (the control arm of the trial). In the new
retrospective analysis of the MERIT trial samples, powered by the enhanced
Trofile assay, 68% of individuals achieved HIV-1 RNA <50 copies/mL at week
48 in both the Selzentry and efavirenz arms of the study.
"The data presented this week demonstrate the value of selecting the
appropriate individuals for Selzentry therapy," said William Young,
Monogram CEO. "With proper patient selection, using Trofile, a positive
response to therapy can be expected, even in early stage individuals where
the standard of care is already very high. Monogram's commitment to
scientific excellence is clearly reflected in the data presented this week,
which provides increased hope for individuals infected with HIV that new
classes of drug and new drugs, such as Selzentry, may benefit all HIV
infected individuals, not just those individuals with advanced disease."
"Selzentry already has a proven record as a safe and effective
therapeutic option for treatment-experienced HIV positive patients," said
W. David Hardy, MD, Director, Division of Infectious Diseases at
Cedars-Sinai Medical Center and Associate Professor of Medici
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SOURCE Monogram Biosciences, Inc. Copyright©2008 PR Newswire. All rights reserved | |
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