Oral human papillomavirus (HPV) and oral warts are common health concerns for HIV-infected people. This study will examine the frequency of oral HPV DNA shedding and oral warts in HIV-infected people who are enrolled in ACTG A5257 and who are beginning treatment with highly active antiretroviral therapy (HAART).
Oral HPV infection occurs at a higher rate among HIV-infected people than among the general population. Recent research in the United States and Europe has also found that HIV-infected people have a higher risk of oral and oropharyngeal squamous cell cancer than HIV-uninfected people. In one study, it was found that HPV seropositivity was associated with an increased risk of squamous cell carcinoma of the oropharynx (SCCOP). In addition to SCCOP, another HPV-related health concern is oral warts, a condition for which there is no effective treatment. Even after beginning treatment with highly active antiretroviral therapy (HAART), active HPV replication in the mouth and oropharynx may persist in HIV-infected people, leading to an increased risk of SCCOP and oral warts. The purpose of this study is to evaluate the frequency of oral HPV DNA shedding and oral warts in HIV-infected people prior to HAART initiation and at regular time points after HAART initiation. ACTG A5257 is a study that is comparing the effectiveness of three non-nucleoside reverse transcriptase inhibitor (NNRTI)-sparing HAART regimens in treatment-naïve participants. This study will enroll participants from the ACTG A5257 study. Participants will attend a baseline study visit at the same time as their ACTG A5257 baseline study visit. At baseline and at Week 4, 16, 24, and 48 study visits, participants will undergo an examination of their mouth, throat wash and saliva collection, and behavioral questionnaires. A blood collection will also occur at Week 24.
Study Type
OBSERVATIONAL
Enrollment
500
Type-specific oral HPV DNA shedding (presence versus absence)
Time frame: Measured at baseline (measured at pre-entry and entry into A5257) and at Weeks 16 and 24
Persistence of same type HPV DNA shedding from pre-entry/baseline visits to Week 16 and 24 visits
Time frame: Measured at Weeks 16 and 24
Clinical diagnosis (presence versus absence) of oral warts
Time frame: Measured at Weeks 16 and 24
HPV shedding at one of the pre-HAART visits
Time frame: Measured at one of the pre-entry visits
CD4 count change (compared to baseline)
Time frame: Measured at Weeks 4, 16, and 24
Plasma HIV-1 RNA suppression
Time frame: Measured at Weeks 4, 16, and 24
Quantitative changes in HPV DNA in oral specimens obtained from participants who have the same HPV subtypes at one of the two pre-HAART visits as well as at Week 16 or 24
Time frame: Measured at Weeks 16 or 24
Clinical diagnosis (presence versus absence) or oral warts measured by a visual exam
Time frame: Measured at baseline and Weeks 16, 24, and 48
Number of oral sex partners in the last month
Time frame: Measured at baseline and Weeks 24 and 48
Number of oral sex partners in the last 6 months
Time frame: Measured at baseline and Weeks 24 and 48
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Absolute CD8 count (obtained from A5257 study data)
Time frame: Measured at Weeks 0 and 24 in the A5257 study
Absolute CD4 count (obtained from A5257 study data)
Time frame: Measured at Weeks 0, 24, and 48 in the A5257 study
Percentage and absolute number of CD4 cells that are interleukin (IL)-2+/interferon (IFN)+ or transforming growth factor (TGF)+ after HPV peptide stimulation measured from peripheral blood mononuclear cells (PBMCs)
Time frame: Measured during the A5272 study or obtained from stored specimens
Percentage and absolute number of CD8 cells that are IFN, tumor necrosis factor (TNF), TGF+, or CD107+ after HPV peptide stimulation measured from PBMCs
Time frame: Measured during the A5272 study or obtained from stored specimens
Percentage and absolute number of CD4 cells that are regulatory T cells (CD4+/CD25+/CD127low) measured from PBMCs
Time frame: Measured during the A5272 study or obtained from stored specimens
Percentage of CD4 cells and CD8 cells that express CD38 and HLA-DR
Time frame: Measured during the A5272 study or obtained from stored specimens
Persistence of HPV DNA of a specific type in throat wash specimens over the time course of the study
Time frame: Measured during the A5272 study or obtained from stored specimens
Salivary total lgA and anti-HPV lgA and S-lgA titers
Time frame: Measured during the A5272 study or obtained from stored specimens
Serum total anti-HPV lgG titers
Time frame: Measured during the A5272 study or obtained from stored specimens