Response to a protease-inhibitor (ritonavir)-containing combination antiretroviral regimen in HIV-infected children.

Introduction: The number of antiretroviral agents available for children who are failing existing therapy is limited. Data are lacking on the use of various combination regimens and the resulting viral load dynamics in such children.

Methods: Between March 1998 and March 2000, HIV-infected children younger than 18 years of age were studied in an open trial.