The purpose of this protocol is to determine user preferences for antiretroviral therapy (ART) for HIV-1 infected partners and pre-exposure prophylaxis (PrEP) HIV-1 un-infected partners and to optimize targeted delivery and sustained use of these interventions.
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Ability to recruit high-risk HIV-1 serodiscordant couples: Screen-to-eligible ratio.
Timeframe: 24 months
Ability to recruit high-risk HIV-1 serodiscordant couples: Eligible couples who decide to enroll in the cohort.
Timeframe: 24 months
Ability to recruit high-risk HIV-1 serodiscordant couples: Costs of screening and targeting high-risk couples decide to enroll in the cohort.
Timeframe: 24 months
User preferences for ART initiation for HIV-1 infected partners and PrEP for HIV-1 uninfected partners: preferred ART-based HIV prevention method.
Timeframe: 24 months
User preferences for ART initiation for HIV-1 infected partners and PrEP for HIV-1 uninfected partners: reasons for choice and concerns about both methods.
Timeframe: 24 months
PrEP initiation by HIV uninfected partners.
Timeframe: 24 months
PrEP adherence: Self-reported missed doses of PrEP.
Timeframe: 24 months
PrEP adherence: Detectable and quantifiable PrEP levels in plasma.
Timeframe: 24 months
PrEP adherence: PrEP hold.
Timeframe: 24 months
ART initiation.
Timeframe: 24 months
ART Adherence.
Timeframe: 24 months
Correlates of preferences, uptake and adherence to ART and PrEP: Sexual frequency.
Timeframe: 24 months
Correlates of preferences, uptake and adherence to ART and PrEP: Condom use frequency.
Timeframe: 24 months
Correlates of preferences, uptake and adherence to ART and PrEP: Outside partners for HIV-1 uninfected partners.
Timeframe: 24 months
Correlates of preferences, uptake and adherence to ART and PrEP: Gender of the HIV-1 uninfected partner.
Timeframe: 24 months
Correlates of preferences, uptake and adherence to ART and PrEP: Fertility intentions.
Timeframe: 24 months
Correlates of preferences, uptake and adherence to ART and PrEP: Relationship dissolution.
Timeframe: 24 months
Correlates of preferences, uptake, and adherence to ART and PrEP: Depression and substance use.
Timeframe: 24 months
Correlates of preferences, uptake and adherence to ART and PrEP: ART initiation by HIV-1 infected partner.
Timeframe: 24 months
Correlates of preferences, uptake and adherence to ART and PrEP: Number of children.
Timeframe: 24 months
Correlates of preferences, uptake and adherence to ART and PrEP: CD4 count.
Timeframe: 24 months
Correlates of preferences, uptake and adherence to ART and PrEP: WHO stage of HIV-1 infected partner.
Timeframe: 24 months
Feasibility to PrEP discontinuation in couples when the HIV-1 infected partner initiates ART.
Timeframe: 24 months
PrEP use and pregnancy: HIV-1 infection.
Timeframe: 24 months
PrEP use and pregnancy: Congenital abnormalities among infants born to female Participants taking PrEP.
Timeframe: 24 months
PrEP use and pregnancy: Any serious adverse event.
Timeframe: 24 months
Infant growth for women who continue PrEP in pregnancy: Length.
Timeframe: 24 months
Infant growth for women who continue PrEP in pregnancy: Weight.
Timeframe: 24 months
Infant growth for women who continue PrEP in pregnancy: Head circumference.
Timeframe: 24 months