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When
to start highly active antiretroviral therapy in chronically HIV-infected
patients: evidence from the ICONA study [Lepri AC et al. AIDS
2001; 15: 983]: The
authors present a retrospective review of the ICONA study from Italy
to determine the effect of antiretroviral therapy on the CD4 cell
count and viral load among 1,421 treatment-naive patients. The patients
received HAART, and at 96 weeks, patients were evaluated according
to their baseline CD4 counts: <200 cells/mm3,
201-350 cells/mm3
and >350 cells/mm3.
Results are shown in the table below:
| Initial
CD4 |
Number |
Increase
CD4 at 96 weeks |
VL > 500c/ml |
| <200
cells/mm3 |
558 |
280 |
43% |
| 201-350
cells/mm3 |
312 |
281 |
35% |
| >350
cells/mm3 |
551 |
186 |
34% |
The authors conclude
that there is "no clear immunological or virological advantage
to starting HAART at a CD4 count > 350."
posted 6/7/2001

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