Overview MK0518 in the Treatment of HIV-Infected Patients Switched From a Protease Inhibitor Regimen (0518-032)(TERMINATED) Status: Terminated Trial end date: 2009-04-01 Target enrollment: Participant gender: Summary The purpose of this study is to investigate the efficacy, safety, and tolerability of an investigational treatment for patients with HIV. Phase: Phase 3 Details Lead Sponsor: Merck Sharp & Dohme Corp.Treatments: LopinavirProtease InhibitorsRaltegravir PotassiumRitonavir