Publications by authors named "Bukusi E"

Despite advancements in existing antiretroviral-based prevention strategies, including daily oral, locally acting, and injectable options, there is a pressing need for more inclusive and flexible event-driven pre-exposure prophylaxis (PrEP) strategies for all. Event-driven or intermittent dosing of PrEP in populations beyond cisgender men who have sex with men would offer a promising alternative by fitting prevention into the diverse lifestyles of affected populations and thereby advancing health equity. Evidence from PrEP clinical trials, pharmacokinetic studies, modelling studies, and real-world observational research suggests that event-driven PrEP could be a flexible and inclusive option, yet optimal dosing has not been established across sex and gender spectrums.

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Structural, psychological, and clinical barriers to HIV care engagement among adolescents and young adults living with HIV (AYAH) persist globally despite gains in HIV epidemic control. Phone-based peer navigation may provide critical peer support, increase delivery flexibility, and require fewer resources. Prior studies show that phone-based navigation and automated text messaging interventions improve HIV care engagement, adherence, and retention among AYAH.

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A focus on contraceptive preferences is essential to the provision of person-centered care. Adolescent girls and young women (AGYW) in the WHO African Region experience disparities in contraceptive access and use and reproductive health outcomes. Despite increasing recognition of AGYW needs as unique, their preferences are understudied, limiting strategies to improve contraceptive care access and quality among marginalized youth populations.

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Background: Despite their ubiquity across sub-Saharan Africa, private pharmacies are underutilized for HIV service delivery beyond the sale of HIV self-test kits. To understand what uptake of HIV prevention and treatment services might look like if private pharmacies offered clients free HIV self-testing and referral to clinic-based HIV services, we conducted a pilot study in Kenya.

Methods: At 20 private pharmacies in Kisumu County, Kenya, pharmacy clients (≥ 18 years) purchasing sexual health-related products (e.

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Objective: To determine the safety, tolerance, and adherence to self-administered intravaginal 5% fluorouracil (5FU) cream as adjuvant therapy following cervical intraepithelial neoplasia grade 2 or 3 (CIN2/3) treatment among women living with HIV (WLWH) in Kenya.

Methods: A phase I pilot trial was performed among 12 WLWH in Kenya, aged 18-49 years between March 2023 and February 2024 (ClinicalTrial.gov NCT05362955).

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Background: Despite the recognised links between food insecurity and parenting, few studies have evaluated the perceived impacts of livelihood or food security interventions on parental practices, intra-household functioning, adolescent behaviour and psychosocial outcomes in HIV-affected households in sub-Saharan Africa.

Aims: The study aimed to understand the perceived effects of food security on parenting practices and how this was experienced by both adolescent girls (aged 13-19 years) and their caregivers in rural Kenya.

Method: We conducted semi-structured, individual interviews with 62 caregiver-adolescent dyads who were participants in the adolescent (NCT03741634), a sub-study of adolescent girls and caregivers with a household member participating in the agricultural and finance intervention trial (NCT01548599).

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Adolescent girls and young women (AGYW) seeking post-abortal care (PAC) remain at risk of unintended pregnancies and HIV due to infrequent condom use. Integrating HIV prevention services, such as PrEP, into PAC services offers an opportunity to enhance reach, uptake, and efficiency, particularly in high-burden settings like Kenya. However, data on acceptability, feasibility, and sustainability of PAC clinics as entry points for PrEP is limited.

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Purpose Of Review: Women in Africa bear the burden of the HIV epidemic, which has been associated with the high prevalence of bacterial vaginosis (BV) in the region. However, little progress has been made in finding an effective cure for BV. Drawing on advances in microbiome-directed therapies for gastrointestinal disorders, similar live-biotherapeutic based approaches for BV treatment are being evaluated.

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Introduction: Adolescent girls and young women (AGYW) account for two-thirds of new HIV infections in Africa. African AGYW have had high uptake of oral HIV pre-exposure prophylaxis (PrEP) but low adherence, which might be improved by point-of-care adherence monitoring with tailored counselling.

Methods: From August 2022 to July 2023, we conducted a PrEP demonstration project with sexually active AGYW ages 16-30 years from 20 sites in South Africa, Eswatini, Kenya, Malawi, Uganda and Zambia.

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Background: HIV self-testing (HIVST) can improve HIV testing uptake by offering convenience and privacy. Yet HIVST accessibility and uptake remain limited in Lake Victorias beach communities where HIVST holds promise to address many barriers highly mobile populations of men in fishing communities face. We assessed HIVST knowledge and acceptability among highly mobile fishermen, a high priority population for HIV prevention and treatment, participating in a social network-based study ("Owete"; NCT04772469) to promote HIV testing, prevention, and treatment in Kenya.

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Background: The World Health Organization recommends a single-dose human papillomavirus (HPV) vaccination schedule for girls and boys to accelerate progress toward cervical cancer elimination. We applied the Theoretical Framework of Acceptability (TFA) within the context of HPV vaccination to assess the acceptability of a single-dose schedule among health-care professionals in Kenya.

Methods: A REDCap survey was developed using relevant Theoretical Framework of Acceptability domains and validated with health-care professionals.

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Implementing self-injection (SI) of subcutaneous depot-medroxyprogesterone acetate (DMPA-SC) is a key self-care strategy for sexual and reproductive health, but SI uptake remains low, and assertions about the potential of SI to increase women's control over contraceptive use lack evidence. We sought to qualitatively explore how women with diverse contraceptive experiences-including those with and without experience using SI-view the benefits and challenges of SI as compared to other methods. We conducted 241 in-depth interviews with women across four sub-Saharan African countries and found alignment between the perceived and experienced benefits of SI across our diverse sample.

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Article Synopsis
  • Following a decline in perinatal HIV transmission rates in Kenya from 20% to 8% between 2010 and 2021, the FACES program aimed to further reduce these rates by supporting HIV care for pregnant and postpartum women at 61 facilities in Kisumu County.
  • The program implemented three specific interventions in 2019, including high-risk clinics, case management, and a mobile app, to enhance support for women and their infants, while monitoring infant HIV acquisition up to 24 months.
  • Data collected from over 12,000 women and nearly 12,000 mother-infant pairs showed a focus on understanding the impact of these interventions on HIV transmission rates, with a particular emphasis on comparing outcomes
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  • The study investigated the accuracy of HIV point-of-care testing among African women using various contraceptive methods, focusing on the occurrence of true and false positive results.
  • Out of 48,234 visits by 7,730 women, true positive results were found in only 0.9% of cases, while false positives occurred in 0.2%, necessitating additional confirmatory testing.
  • The findings emphasize the need for confirmatory tests, as not all HIV infections presented typical laboratory results, particularly in populations with low HIV prevalence and repeat testing.
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  • Safer conception services are essential for HIV sero-discordant couples wanting to conceive, yet there is limited research on their experiences and preferences with various methods.
  • A study involving 17 couples in Zimbabwe revealed that choices around safer conception were influenced by desires for intimacy and factors like method familiarity, ease of use, and effectiveness in preventing HIV while achieving pregnancy.
  • Participants generally had positive experiences and satisfaction, particularly with ART/VL and PrEP, highlighting the importance of finding suitable methods for safe conception.
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Article Synopsis
  • Decision-making on childbearing for HIV sero-different couples requires balancing personal desires with perceived risks of HIV transmission, highlighting complex relationship dynamics.
  • A study conducted interviews with 17 couples who participated in the SAFER study, exploring their experiences with safer conception methods and the importance of communication and gender roles in their decision-making.
  • Findings suggest that safer conception programs need to focus on addressing power imbalances in relationships, enhancing couple communication skills, and providing support from healthcare providers to help couples make informed, safe reproductive choices.
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Background: Adolescents account for 15% of new HIV cases in Kenya. HIV pre-exposure prophylaxis (PrEP) and post-exposure prophylaxis (PEP) are highly effective prevention tools, but uptake is low among adolescents, particularly in resource-limited settings. We assessed awareness and acceptability of PrEP and PEP among Kenyan adolescents.

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Background: Physicians and associate (non-physician) clinicians conduct cesarean sections in Tanzania and Malawi. Urogenital fistulas may occur as complications of cesarean section. Location and circumstances can indicate iatrogenic origin as opposed to ischemic injury following prolonged, obstructed labor.

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Background: In Kenya, 65% of sexually active unmarried women use modern contraceptives, a population at increased risk of HIV acquisition compared to other populations. Anchoring HIV prevention services, including pre-exposure prophylaxis (PrEP), to trusted contraceptive delivery settings offers opportunities to efficiently reach this important population. In Kenya, almost half (40%) of women accessing contraception services do so outside traditional healthcare facilities, such as retail pharmacies.

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Objective: To determine the safety, tolerance, and adherence to self-administered intravaginal 5% fluorouracil (5FU) cream as adjuvant therapy following cervical intraepithelial neoplasia grade 2 or 3 (CIN2/3) treatment among women living with HIV (WLWH) in Kenya.

Methods: A Phase I Pilot trial was performed among 12 WLWH in Kenya, aged 18-49 years between March 2023-February 2024 (ClinicalTrial.gov NCT05362955).

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Background: Greater social capital is associated with positive health outcomes and better HIV management. The ways by which social capital may influence household water insecurity (HHWI), a critical determinant of health among persons living with HIV, remain underexplored. Further, despite the importance of reliable water access and use for health and agricultural productivity, few studies have described the strategies smallholder farmers living with HIV use to manage water insecurity.

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Poor adherence and retention in HIV care remain a major challenge among adolescents and young adults (AYA) living with HIV in sub-Saharan Africa (SSA). Strategies are urgently required to support AYA to remain in care for better health outcomes. We explored AYA preferences regarding the format and delivery of electronic and in-person peer navigation to improve HIV care outcomes.

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Introduction: Despite increasing global commitment to meeting the family planning needs of adolescent girls and young women (AGYW), there is limited research on how they prioritize contraceptive method and service delivery characteristics. In this qualitative study, we examine the specific elements that drive the contraceptive choices of Kenyan AGYW, and apply our findings to the development of attributes and levels for a discrete choice experiment (DCE).

Methods: Our four-stage approach included data collection, data reduction, removing inappropriate attributes, and optimizing wording.

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