APV regimen FPV regimen Patients who received APV as first their PI APV 1200 mg BID + SBG FPV 1400 mg BID (or FPV 700 mg + RTV 100mg BID) + SBG    APV 600 nmg + RTV 100 mg BID + SBG FPV 700 mg + RTV 100mg BID + SBG     APV 1200 mg + RTV 200 mg QD + SBG FPV 1400 mg + RTV 200 mg QD) or FPV 1400 mg + RTV 200 mg QD (or FPV 700 mg + RTV 100 mg BID) + SBG Patients who received APV as their second or third PI APV 1200 mg BID + RTV 200mg QD + SBG FPV 700 mg + RTV 100mg BID + SBG  APV 600 mg + RTV 100 mg BID + SBG FPV 700 mg + RTV 100mg BID + SBG aAbbreviations: APV, amprenavir; BID, twice daily; FPV, fosamprenavir; QD, once daily; RTV, ritonavir.

Table 1: Initial APV Regimen and the FPV regimen to which Patients were Switcheda.

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