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Study was stopped due to the stop work order issued by USAID on January 27, 2025.
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| Name | Class |
|---|---|
| Wits Reproductive Health and HIV Institute | OTHER |
| LVCT Health | OTHER |
| Pangaea Zimbabwe Aids Trust | OTHER |
| Jhpiego |
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The CATALYST study is an implementation study that will characterize and assess the implementation of an enhanced service delivery package providing informed choice of pre-exposure prophylaxis (PrEP) products among women at PEPFAR sites in Kenya, Lesotho, South Africa, Uganda, and Zimbabwe.
The overall study goal is to characterize and assess the implementation of an enhanced service delivery package providing informed choice of pre-exposure prophylaxis (PrEP) products among women at U.S. President's Plan for AIDS Relief/U.S. Agency for International Development (PEPFAR/USAID) delivery sites in Kenya, Lesotho, South Africa, Uganda, and Zimbabwe. The study will be conducted in two stages, with currently approved oral PrEP and PrEP rings offered in Stage I, and the addition of CAB PrEP in Stage II after it has been approved by the regulatory authority in each country. The study goal will be accomplished by conducting a mixed-methods implementation study involving several components:
Component 1: Prospective cohort study of women at PEPFAR/USAID delivery sites that are delivering HIV PrEP, including daily oral PrEP, monthly PrEP rings, and bimonthly CAB PrEP
Component 2: Mixed-methods process evaluation involving implementers and key stakeholders
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| Measure | Description | Time Frame |
|---|---|---|
| Overall and method-specific PrEP method uptake | Proportion of cohort members who initiate oral PrEP, the PrEP ring, CAB PrEP, or decline all PrEP or are ineligible for PrEP | 24 months |
| Patterns of PrEP use | Person-time of continued use of a certain PrEP method, until switching to another method or missed resupply; Person-time of pause between missed resupply and reinitiation or switching (subset). | 24 months |
| Qualitative assessment of health system feasibility | The extent to which PrEP choice and the enhanced service delivery package can be successfully carried out at facilities within health systems involved in CATALYST. This measure will be assessed through qualitative data collected through periodic in-depth interviews conducted among PrEP providers, community stakeholders, and key informants at selected sites. | 24 months |
| Delivery acceptability among providers measured using an adapted version of the Acceptability of Intervention Measure (AIM) | Perception that offering informed choice of PrEP products and the provision of the enhanced service delivery package are agreeable or satisfactory in this setting as measured though an adapted version of the acceptability of intervention measure (Weiner et al. 2017), a 5-item scale with higher scores representing greater acceptability (range: 5-25). | 24 months |
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| Measure | Description | Time Frame |
|---|---|---|
| Cost of delivery at a subset of study sites | The cost of the implementation effort, including average unit cost estimates for oral PrEP, the PrEP ring, and CAB PrEP in Lesotho, Uganda, and Zimbabwe and the incremental unit cost of adding PrEP ring and CAB PrEP at sites already providing oral PrEP | 24 months |
| Qualitative assessment of community acceptability of PrEP and PrEP choice |
Inclusion Criteria:
Tested HIV-negative as determined by the national HIV testing algorithm at a CATALYST site on the same day as enrollment
Self-identify with at least one of the following populations:
Interested in learning about HIV prevention
Willing to be contacted for follow-up by phone or other means (e.g., through a community health worker)
Willing and able to provide informed written consent for participation
Exclusion Criteria:
Individuals assigned female at birth of any gender identity or individuals assigned male at birth who identify as women are eligible to participate
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HIV-negative women* attending PEPFAR/USAID-supported facilities who are interested in learning about HIV prevention and are otherwise eligible to participate in the study
*Presumed HIV-negative based on results from the national testing algorithm. For this study, the term "women" is inclusive of individuals assigned female at birth of any gender identity or individuals assigned male at birth who identify as women, although this definition is subject to local country guidelines.
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| Name | Affiliation | Role |
|---|---|---|
| Virginia Fonner | FHI 360 | Study Chair |
| Elizabeth Irungu | Jphiego | Study Chair |
| Kevin K'Orimba | LVCT Health | Principal Investigator |
| Nicolette Naidoo | Wits RHI | Principal Investigator |
| Carolyne Akello | FHI 360 Uganda | Principal Investigator |
| Emily Gwavava | Pangaea Zimbabwe Aids Trust | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Chulaimbo sub-country hospital | Kisumu | Kenya | ||||
| Migosi Health |
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| Label | URL |
|---|---|
| PrEP Watch: CATALYST | View source |
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In accordance with the USAID Automated Directives System 579, after acceptance of any knowledge product presenting study findings and after being cleaned of any information that could be used to personally identify participants, the quantitative survey dataset along with relevant documentation will be registered with USAID's Development Data Library (DDL) and made publicly available in an open data repository, to the extent permissible by participating countries' privacy and data sharing regulations.
After study completion and manuscript submission.
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| OTHER |
| United States Agency for International Development (USAID) | FED |
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Whole blood and/or dried blood spot
Perception that PrEP (and PrEP choice) are agreeable, satisfactory, and welcomed in the community, especially among primary PrEP influencers (partners and parents/caregivers). This measure will be assessed through qualitative in-depth interviews conducted among primary PrEP influencers in select CATALYST communities, including parents/caregivers of existing and potential PrEP users and partners of existing and potential PreP users. |
| 24 months |
| Product acceptability among users as assessed through a theory-informed questionnaire relating to different aspects of acceptability (Sekhon et al., 2022) | Perception that PrEP product is agreeable or satisfactory. This measure will be assessed through administration of an adapted version of the theory-informed questionnaire developed by Sekhon et al., 2022. Item scores will be reported separately for each acceptability construct. | 24 months |
| Prevention effective use of PrEP products | Percent of risk-days (days with condomless sex) when participants were protected from HIV acquisition by taking PrEP based on reported daily occurrence within certain periods. Note that this measure will only be reported if measure passes validation assessment conducted early in the implementation period. | 24 months |
| Rates of HIV infection among participants | Number of study cohort members who become infected with HIV at any point during the study disaggregated by PrEP use status after enrollment (but not including the enrollment visit). | 24 months |
| Rates of HIV drug resistance among PrEP users who acquire HIV during study participation | Number and type of HIV drug resistance-associated polymorphisms and/or mutations identified among participants who become infected with HIV and were exposed to PrEP | 24 months |
| Pregnancy and selected infant outcomes among pregnant and breastfeeding populations for outcomes occurring during the study period. | Among pregnant participants reporting exposure to PrEP during pregnancy: type and frequency of pregnancy outcomes (term live birth [≥37 weeks], preterm live birth [<37 weeks], pre-term birth, stillbirth, birth weight and sex, spontaneous abortion, congenital anomalies, gestational age, neonatal death) among outcomes occurring during the study period | 24 months |
| Frequency of reported side effects by PrEP product | The type, number, and perceived severity of patient-reported side effects from PrEP product use | 24 months |
| Kisumu |
| Kenya |
| Likoni Sub-country hospital | Mombasa | Kenya |
| Tudor sub-country hospital | Mombasa | Kenya |
| Bar Hostess Empowerment & Support Programme (BHESP) Drop-In Centre | Nairobi | Kenya |
| Mukuru Public Health Centre | Nairobi | Kenya |
| Sefika | Maseru | Lesotho |
| Scott Hospital | Morija | Lesotho |
| Berea | Teyateyaneng | Lesotho |
| Phomolong Clinic | Hennenman | South Africa |
| FSW Esselen Street | Johannesburg | South Africa |
| TG Esselen Street | Johannesburg | South Africa |
| Hani Park Clinic | Welkom | South Africa |
| Matjhabeng Clinic | Welkom | South Africa |
| Welkom Clinic | Welkom | South Africa |
| Gulu RRH | Gulu | Uganda |
| Bufunda HC III | Ibanda | Uganda |
| Kitgum Hospital | Kitgum | Uganda |
| Namakwekwe HC III | Mbale | Uganda |
| Mbarara HC IV | Mbarara | Uganda |
| Bison HCCIII | Tororo | Uganda |
| Malaba HC III | Tororo | Uganda |
| Beitbridge Wellness Clinic | Beitbridge | Zimbabwe |
| Cowdray Park Clinic | Bulawayo | Zimbabwe |
| Plumtree District Hospital | Bulawayo | Zimbabwe |
| SHAZ! Hub (Citimed Hopstial) | Chitungwiza | Zimbabwe |
| Runyararo Clinic | Masvingo | Zimbabwe |
| Ngundu Rural Health Center | Ngundu | Zimbabwe |