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Implementation Science at UW

Keywords: Elizabeth A. Bukusi

✪ Process evaluation of PrEP implementation in Kenya: adaptation of practices and contextual modifications in public HIV care clinics

Authors:

Elizabeth M. Irungu, Josephine Odoyo, Elizabeth Wamoni, Elizabeth A. Bukusi, Nelly R. Mugo, Kenneth Ngure, Jennifer F. Morton, Kenneth K. Mugwanya, Jared M. Baeten, & Gabrielle O'Malley, for the Partners Scale-Up Project Team

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: September 2021

Read the full text in the open access Journal of the International AIDS Society
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Abstract:

Introduction

In Africa, oral pre-exposure prophylaxis (PrEP) is largely provided via over-burdened public HIV care clinics. Successfully incorporating PrEP services into these clinics may require adaptations to practices outlined in national implementation guidelines and modifications to routine existing service delivery. We aimed to describe adaptations made by public HIV clinics in Kenya to integrate PrEP delivery into existing services.

Methods

The Partners Scale-Up Project aimed to catalyze integration of PrEP in 25 public HIV care clinics. Between May and December 2018, we conducted qualitative interviews with health providers and documented clinic observations in technical assistance (TA) reports to understand the process of PrEP service integration. We analyzed 36 health provider interview transcripts and 25 TA reports to identify clinic-level adaptations to activities outlined in Kenyan Ministry of Health PrEP guidelines and modifications made to existing service delivery practices to successfully incorporate PrEP services. Identified adaptations were reported using the expanded framework for reporting adaptations and modifications (FRAME).

Results

All clinics (n = 25) performed HIV testing, HIV risk assessment, PrEP education and adherence counseling as stipulated in the guidelines. Most clinics initiated clients on PrEP without creatinine testing if otherwise healthy. While monthly refill appointments are recommended, a majority of clinics issued PrEP users two to three months of pills at a time. Clinics also implemented practices that had not been specified in the guidelines including incorporating PrEP-related topics into routine health talks, calling clients with missed PrEP appointments, discussing PrEP service delivery in regular staff meetings, ‘fast-tracking’ PrEP clients and dispensing PrEP in clinic rooms rather than at clinic-based pharmacies. PrEP initiation numbers were highest among clinics that did not require creatinine testing, conducted peer on-the-job PrEP training and those that discussed PrEP delivery in their routine meetings. Above-average continuation was observed among clinics that discussed PrEP in their routine meetings, dispensed PrEP in clinic rooms and offered PrEP at non-regular hours.

Conclusions

Health providers in public HIV care clinics instituted practices and made innovative adaptations to PrEP delivery to reduce barriers for clients and staff. Encouraging clinic level adaptations to national implementation guidelines will facilitate scale-up of PrEP delivery.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**

✪ Low costs and opportunities for efficiency: a cost analysis of the first year of programmatic PrEP delivery in Kenya’s public sector

Authors:

Kathryn Peebles, Kenneth K. Mugwanya, Elizabeth Irungu, Josephine Odoyo, Elizabeth Wamoni, Jennifer F. Morton, Kenneth Ngure, Elizabeth A. Bukusi, Nelly R. Mugo, Sarah Masyuko, Irene Mukui, Jared M. Baeten, & Ruanne V. Barnabas for the Partners Scale-Up Project Team

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: August 2021

Read the full text in the open access journal BMC Health Services Research
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Abstract:

Background

In 2017, the Kenyan Ministry of Health integrated provision of pre-exposure prophylaxis (PrEP) into public HIV-1 care clinics as a key component of the national HIV-1 prevention strategy. Estimates of the cost of PrEP provision are needed to inform the affordability and cost-effectiveness of PrEP in Kenya.

Methods

We conducted activity-based micro-costing from the payer perspective to estimate both the financial and economic costs of all resources and activities required to provide PrEP in Kenya’s public sector. We estimated total and unit costs in 2019 United States dollars from a combination of project expense reports, Ministry of Health training reports, clinic staff interviews, time-and-motion observations, and routinely collected data from PrEP recipient files from 25 high-volume HIV-1 care clinics.

Results

In the first year of programmatic PrEP delivery in 25 HIV-1 care clinics, 2,567 persons initiated PrEP and accrued 8,847 total months of PrEP coverage, accounting for 2 % of total outpatient clinic visits. The total financial cost to the Ministry of Health was $91,175, translating to an average of $10.31 per person per month. The majority (69 %) of financial costs were attributable to PrEP medication, followed by administrative supplies (17 %) and training (9 %). Economic costs were higher ($188,584 total; $21.32 per person per month) due to the inclusion of the opportunity cost of staff time re-allocated to provide PrEP and a proportional fraction of facility overhead. The vast majority (88 %) of the annual $80,811 economic cost of personnel time was incurred during activities to recruit new clients (e.g., discussion of PrEP within HIV-1 testing and counseling services), while the remaining 12 % was for activities related to both initiation and maintenance of PrEP provision (e.g., client consultations, technical advising, support groups).

Conclusions

Integration of PrEP provision into existing public health HIV-1 care service delivery platforms resulted in minimal additional staff burden and low incremental costs. Efforts to improve the efficiency of PrEP provision should focus on reductions in the cost of PrEP medication and extra-clinic demand creation and community sensitization to reduce personnel time dedicated to recruitment-related activities.

Trial registration

ClinicalTrials.gov registration NCT03052010. Retrospectively registered on February 14, 2017.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**

✪ Integrated Delivery of Antiretroviral Treatment and Pre-exposure Prophylaxis to HIV-1–Serodiscordant Couples: A Prospective Implementation Study in Kenya and Uganda

Authors:

Jared M. Baeten, Renee Heffron, Lara Kidoguchi, Nelly R. Mugo, Elly Katabira, Elizabeth A. Bukusi, Stephen Asiimwe, Jessica E. Haberer, Jennifer Morton, Kenneth Ngure, Nulu Bulya, Josephine Odoyo, Edna Tindimwebwa, Craig Hendrix, Mark A. Marzinke, Norma C. Ware, Monique A. Wyatt, Susan Morrison, Harald Haugen, Andrew Mujugira, Deborah Donnell, Connie Celum, & the Partners Demonstration Project Team

University of Washington affiliated authors are displayed in bold.

✪ Open Access

Published: August 2016

Read the full text in the open access journal PLOS Medicine

Abstract:

Background

Antiretroviral-based interventions for HIV-1 prevention, including antiretroviral therapy (ART) to reduce the infectiousness of HIV-1 infected persons and pre-exposure prophylaxis (PrEP) to reduce the susceptibility of HIV-1 uninfected persons, showed high efficacy for HIV-1 protection in randomized clinical trials. We conducted a prospective implementation study to understand the feasibility and effectiveness of these interventions in delivery settings.

Methods and Findings

Between November 5, 2012, and January 5, 2015, we enrolled and followed 1,013 heterosexual HIV-1-serodiscordant couples in Kenya and Uganda in a prospective implementation study. ART and PrEP were offered through a pragmatic strategy, with ART promoted for all couples and PrEP offered until 6 mo after ART initiation by the HIV-1 infected partner, permitting time to achieve virologic suppression. One thousand thirteen couples were enrolled, 78% of partnerships initiated ART, and 97% used PrEP, during a median follow-up of 0.9 years. Objective measures of adherence to both prevention strategies demonstrated high use (≥85%).

Given the low HIV-1 incidence observed in the study, an additional analysis was added to compare observed incidence to incidence estimated under a simulated counterfactual model constructed using data from a prior prospective study of HIV-1-serodiscordant couples. Counterfactual simulations predicted 39.7 HIV-1 infections would be expected in the population at an incidence of 5.2 per 100 person-years (95% CI 3.7–6.9). However, only two incident HIV-1 infections were observed, at an incidence of 0.2 per 100 person-years (95% CI 0.0–0.9, p < 0.0001 versus predicted). The use of a non-concurrent comparison of HIV-1 incidence is a potential limitation of this approach; however, it would not have been ethical to enroll a contemporaneous population not provided access to ART and PrEP.

Conclusions

Integrated delivery of time-limited PrEP until sustained ART use in African HIV-1-serodiscordant couples was feasible, demonstrated high uptake and adherence, and resulted in near elimination of HIV-1 transmission, with an observed HIV incidence of <0.5% per year compared to an expected incidence of >5% per year.

**This abstract is posted with permission under the Creative Commons Attribution 4.0 International License**