An Open-Label Study of Emtricitabine in Combination With Other Antiretroviral Agents in HIV Infected Pediatric Subjects

emtricitabine (6mg/kg QD; max 200 mg QD) plus stavudine 1 mg/kg BID (if \<30kg)plus lopinavir/ritonavir (12/3 mg/kg BID if \>=7 to \<15kg; 10/2.5 mg/kg BID if \>=15 to \<=40 kg)

emtricitabine (6 mg/kg QD, up to 200 mg QD capsule formulation or up to 240 mg QD using the oral solution) plus didanosine (240 mg/m2 up to 400 mg QD) plus efavirenz (up to 600 mg QD capsule formulation or up to 720 mg QD using the oral solution).