Vicriviroc (SCH 417690) Treatment Protocol in Human Immunodeficiency Virus (HIV)-Infected Participants: A Rollover Study for ACTG Protocol A5211 (P04100)

Vicriviroc (SCH 417690) Treatment Protocol in HIV-Infected Subjects: A Rollover Study for ACTG Protocol A5211

The purpose of this study is to provide open-label vicriviroc (VCV) to human immunodeficiency virus (HIV) treatment-experienced participants who successfully completed 48 weeks of treatment on Acquired Immunodeficiency Syndrome (AIDS) Clinical Trial Group (ACTG) protocol A5211 (or who responded favorably to treatment but discontinued participation due to viral tropism shifts), and participants who screened for ACTG A5211 and met all inclusion/exclusion criteria, but were unable to enroll due to protocol closure.

Inclusion Criteria:

• Successful completion of ACTG Protocol A5211, or favorable response in A5211 but discontinued due to tropism shift, or screened for A5211 and met inclusion/exclusion criteria but unable to enroll due to protocol closure.
• Participants must also be on a ritonavir-containing antiretroviral regimen at entry, and have acceptable hematologic and laboratory parameters.
• Female participants of reproductive potential must agree to use 2 reliable methods of contraception, including a barrier method, and must have a negative urine pregnancy test prior to dosing.

Exclusion Criteria:

• History of seizure or drug use that increases risk of seizure, current use of CYP3A4 inducers, prior history of malignancy, active drug or alcohol use or dependence that would interfere with study requirements
• Female participants who are breast-feeding, pregnant, or plan to become pregnant
• Participation in a clinical trial with another investigational drug.
• Participants with serious illness requiring systemic therapy and/or hospitalization must not begin VCV (if not already on VCV) until participant completes therapy or is clinically stable on therapy for at least 14 days prior to enrollment.