Conditions: HIV Infections
Keywords: Treatment Experienced
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 29
Healthy volunteers: no

Brief summary:
This 2-arm study evaluated the efficacy and safety of Fuzeon with an integrase inhibitor in an expanded access program plus an optimized background antiviral regimen (AVR) in HIV-1 infected patients naive to Fuzeon and an integrase inhibitor. In the first cohort phase of the study (Phase I), eligible patients received Fuzeon 90 mg subcutaneously (SC) twice daily until confirmation of response (min/max = 8/16 weeks). In Phase II, the randomised comparator phase of the study, responders were randomized to receive Fuzeon either 90 mg SC twice a day or 180 mg SC once a day for a further 16 weeks. Non-responders and virological failures were terminated from the study. The anticipated time on study treatment was 3-9 months, and the target sample size was 210 individuals.

Detailed description:

Arms:
arm 1: Phase 1: ENF 90mg SC BID): In the first phase or cohort phase of day I-1 through Week I-12 of the trial all patients received enfuvirtide (ENF) 90 mg subcutaneously (SC) twice daily (BID) + Isentress® \[raltegravir\] (RAL) 400-mg orally (PO) BID + optimized background (OB) with at least 1 fully active antiretroviral (ARV) agent excluding nucleoside reverse transcriptase inhibitor (NRTIs). arm 2: In the randomized comparator Phase II of the trial- (Day II-1 through Week II-16): Virologic responders confirmed HIV-1 RNA ≤50 copies/mL from Phase I were randomized to 1 of 2 treatment arms of

(Phase II Arm A: Phase I then ENF 90mg SC BID): ENF 90 mg SC BID + RAL 400 mg PO BID + OB with at least 1 fully active ARV agent excluding NRTIs or (Phase II Arm B: Phase I then ENF 180mg SC QD): ENF 180 mg SC once daily (QD) + RAL 400 mg PO BID + OB with at least 1 fully active ARV agent excluding NRTIs.

Interventions: intervention 1: enfuvirtide [Fuzeon] intervention 2: Optimized background ARV intervention 3: Integrase inhibitor intervention 4: enfuvirtide [Fuzeon]
Intervention descriptions: intervention 1: 90 mg SC twice daily intervention 2: As prescribed intervention 3: As prescribed intervention 4: 180 mg SC once daily

Protocol document: