Figure 4. Response to Saquinavir plus Ritonavir-Based Regimens after Virologic Failure with Nelfinavir

The graph shows the virologic response (percentage of patients who achieved an HIV RNA less than 500 copies/mL at 24 weeks) in patients treated with a saquinavir plus ritonavir-based antiretroviral regimen after failing a nelfinavir-based antiretroviral regimen. Patient responses varied depending on whether their HIV RNA at the time of the switch was greater than or less than 30,000 copies/ml. This figure is based on data from Tebas P, Patick AK, Kane EM, et al. Virologic responses to a ritonavir-saquinavir-containing regimen in patients who had previously failed nelfinavir. AIDS. 1999;13:F23-8.

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