Victor Omollo
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View article: Prevalence of genital and anorectal chlamydia trachomatis in Kenya by risk groups: a systematic review and meta-analysis
Prevalence of genital and anorectal chlamydia trachomatis in Kenya by risk groups: a systematic review and meta-analysis Open
View article: Evaluating the effectiveness of a One-Stop PrEP Care model to enhance HIV prevention: a protocol for a cluster-randomised trial in Kisumu County, Kenya
Evaluating the effectiveness of a One-Stop PrEP Care model to enhance HIV prevention: a protocol for a cluster-randomised trial in Kisumu County, Kenya Open
Introduction Oral HIV pre-exposure prophylaxis (PrEP) is a highly effective biomedical intervention for HIV prevention, but its access and utilisation are challenging, especially in high-burden settings such as Kenya. For potential PrEP us…
View article: A review of zoonotic chlamydiae species in Africa: assessing their burden and potential impact through One Health perspective
A review of zoonotic chlamydiae species in Africa: assessing their burden and potential impact through One Health perspective Open
Chlamydia species, a group of obligate intracellular Gram-negative bacteria, affect humans, livestock, companion animals, and wildlife, with infections ranging from asymptomatic to severe depending on host species and strain. Diagnosis can…
View article: A modified pharmacy provider‐led delivery model of oral HIV pre‐ and post‐exposure prophylaxis in Kenya: a pilot study extension
A modified pharmacy provider‐led delivery model of oral HIV pre‐ and post‐exposure prophylaxis in Kenya: a pilot study extension Open
Introduction Private pharmacies in Africa reach individuals with ongoing and periodic HIV risk, yet few countries currently leverage pharmacies as an HIV service delivery platform. We conducted a 6‐month pilot to evaluate a model for pharm…
View article: Testing different models of pharmacy-based HIV pre- and post-exposure prophylaxis initiation and management in Kenya: protocol for a cluster-randomized controlled trial
Testing different models of pharmacy-based HIV pre- and post-exposure prophylaxis initiation and management in Kenya: protocol for a cluster-randomized controlled trial Open
Background: In Kenya, as in many African countries, private pharmacies are ubiquitous, frequently accessed, and underutilized for the delivery of HIV prevention services. Whether enabling private pharmacies to initiate and manage clients o…
View article: Implementing long-acting injectable HIV pre-exposure prophylaxis services at private pharmacies in Kenya: Client, pharmacy provider, and key stakeholder perspectives on potential challenges and opportunities
Implementing long-acting injectable HIV pre-exposure prophylaxis services at private pharmacies in Kenya: Client, pharmacy provider, and key stakeholder perspectives on potential challenges and opportunities Open
Introduction Maximizing the impact of new and forthcoming long-acting injectable HIV pre-exposure prophylaxis (PrEP) products will require novel delivery approaches that widen accessibility and prioritize clients’ needs and preferences. To…
View article: Preferences for HIV pre‐exposure prophylaxis formulations and delivery among young African women: results of a discrete choice experiment
Preferences for HIV pre‐exposure prophylaxis formulations and delivery among young African women: results of a discrete choice experiment Open
Introduction Oral HIV pre‐exposure prophylaxis (PrEP) is highly effective, but adherence is challenging for young women. Products centred around women's preferences could address adherence barriers. Using a longitudinal discrete choice exp…
View article: Measuring the uptake of clinic-based HIV treatment and prevention services following HIV testing and referral at private pharmacies in Kenya
Measuring the uptake of clinic-based HIV treatment and prevention services following HIV testing and referral at private pharmacies in Kenya Open
View article: Enhancing HIV pre-exposure prophylaxis outcomes among Kenyan adolescent girls and young women with a novel pharmacy-based PrEP delivery platform: protocol for a cluster-randomized controlled trial
Enhancing HIV pre-exposure prophylaxis outcomes among Kenyan adolescent girls and young women with a novel pharmacy-based PrEP delivery platform: protocol for a cluster-randomized controlled trial Open
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 (…
View article: Measuring the performance of computer vision artificial intelligence to interpret images of HIV self-testing results
Measuring the performance of computer vision artificial intelligence to interpret images of HIV self-testing results Open
Introduction HIV self-testing (HIVST) is highly sensitive and specific, addresses known barriers to HIV testing (such as stigma), and is recommended by the World Health Organization as a testing option for the delivery of HIV pre-exposure …
View article: Doxycycline Prophylaxis to Prevent Sexually Transmitted Infections in Women
Doxycycline Prophylaxis to Prevent Sexually Transmitted Infections in Women Open
Among cisgender women, the incidence of STIs was not significantly lower with doxycycline PEP than with standard care. According to hair-sample analysis, the use of doxycycline PEP among those assigned to receive it was low. (Funded by the…
View article: The Acceptability of Pharmacy-Based HPV Vaccination in Western Kenya among Pharmacy Clients and Providers
The Acceptability of Pharmacy-Based HPV Vaccination in Western Kenya among Pharmacy Clients and Providers Open
Vaccine coverage for the human papillomavirus (HPV) remains low globally, and differentiated models of vaccine delivery are needed to expand access. Pharmacy-based models of the HPV vaccination may engage women who could benefit. We assess…
View article: Family influences on oral PrEP use among adolescent girls and young women in Kenya and South Africa
Family influences on oral PrEP use among adolescent girls and young women in Kenya and South Africa Open
Introduction Effective use of oral HIV pre-exposure prophylaxis (PrEP) has been lower among African adolescent girls and young women (AGYW) than among older women, young men who have sex with men, and serodiscordant heterosexual couples in…
View article: Measuring the performance of HIV self‐testing at private pharmacies in Kenya: a cross‐sectional study
Measuring the performance of HIV self‐testing at private pharmacies in Kenya: a cross‐sectional study Open
Introduction HIV self‐testing (HIVST) has the potential to support daily oral pre‐exposure prophylaxis (PrEP) delivery in private pharmacies, but many national guidelines have not approved HIVST for PrEP dispensing. In Kenya, pharmacy prov…
View article: Challenges and Solutions to STI Control in the Era of HIV and STI Prophylaxis
Challenges and Solutions to STI Control in the Era of HIV and STI Prophylaxis Open
View article: Stand‐alone model for delivery of oral HIV pre‐exposure prophylaxis in Kenya: a single‐arm, prospective pilot evaluation
Stand‐alone model for delivery of oral HIV pre‐exposure prophylaxis in Kenya: a single‐arm, prospective pilot evaluation Open
Introduction The delivery of daily, oral HIV pre‐exposure prophylaxis (PrEP) at private pharmacies may overcome barriers to PrEP delivery at public healthcare facilities, including HIV‐associated stigma, long wait times and overcrowding. M…
View article: Association of sexual relationship power with PrEP persistence and other sexual health outcomes among adolescent and young women in Kenya and South Africa
Association of sexual relationship power with PrEP persistence and other sexual health outcomes among adolescent and young women in Kenya and South Africa Open
Introduction Gendered power inequalities impact adolescent girls’ and young women's (AGYW) sexual and reproductive health (SRH) outcomes. We investigated the influence of sexual relationship power on AGYW's SRH outcomes, including HIV pre-…
View article: The Fidelity of a Pharmacy-Based Oral HIV Pre-Exposure Prophylaxis Delivery Model in Kenya
The Fidelity of a Pharmacy-Based Oral HIV Pre-Exposure Prophylaxis Delivery Model in Kenya Open
Background: HIV pre-exposure prophylaxis (PrEP) delivery at private pharmacies is a promising new differentiated service delivery model that may address barriers to PrEP delivery at public health care facilities. We measured the fidelity o…
View article: Barriers to and strategies for early implementation of pharmacy-delivered HIV PrEP services in Kenya: An analysis of routine data
Barriers to and strategies for early implementation of pharmacy-delivered HIV PrEP services in Kenya: An analysis of routine data Open
Background For individuals who face challenges accessing clinic-based HIV pre-exposure prophylaxis (PrEP), differentiated service delivery models are needed to expand access and reach. During a pilot study testing a novel pharmacy-delivere…
View article: Provider–client rapport in pre-exposure prophylaxis delivery: a qualitative analysis of provider and client experiences of an implementation science project in Kenya
Provider–client rapport in pre-exposure prophylaxis delivery: a qualitative analysis of provider and client experiences of an implementation science project in Kenya Open
Daily oral pre-exposure prophylaxis (PrEP) is being incorporated into services frequented by adolescent girls and young women (AGYW) in sub-Saharan Africa who are at a significant risk of HIV. In non-PrEP studies, positive provider-client …
View article: PrEP use and HIV seroconversion rates in adolescent girls and young women from Kenya and South Africa: the POWER demonstration project
PrEP use and HIV seroconversion rates in adolescent girls and young women from Kenya and South Africa: the POWER demonstration project Open
Introduction HIV incidence remains high among African adolescent girls and young women (AGYW). The primary objective of this study is to assess pre‐exposure prophylaxis (PrEP) initiation, use, persistence and HIV acquisition among African …
View article: Implementation strategies for integrating pre-exposure prophylaxis for HIV prevention and family planning services for adolescent girls and young women in Kenya: a qualitative study
Implementation strategies for integrating pre-exposure prophylaxis for HIV prevention and family planning services for adolescent girls and young women in Kenya: a qualitative study Open
Introduction Across sub-Saharan Africa, ministries of health have proposed integrating pre-exposure prophylaxis (PrEP) for HIV prevention into family planning (FP) services to reach adolescent girls and young women (AGYW); however, evidenc…
View article: Adolescent girls and young women’s PrEP-user journey during an implementation science study in South Africa and Kenya
Adolescent girls and young women’s PrEP-user journey during an implementation science study in South Africa and Kenya Open
Successful scale-up of PrEP for HIV prevention in African adolescent girls and young women (AGYW) requires integration of PrEP into young women’s everyday lives. We conducted interviews and focus group discussions with 137 AGYW PrEP users …
View article: Health Care Providers as Agents of Change: Integrating PrEP With Other Sexual and Reproductive Health Services for Adolescent Girls and Young Women
Health Care Providers as Agents of Change: Integrating PrEP With Other Sexual and Reproductive Health Services for Adolescent Girls and Young Women Open
Background: Successful integration of pre-exposure prophylaxis (PrEP) with existing reproductive health services will require iterative learning and adaptation. The interaction between the problem-solving required to implement new interven…
View article: Cost of pre-exposure prophylaxis delivery in family planning clinics to prevent HIV acquisition among adolescent girls and young women in Kisumu, Kenya
Cost of pre-exposure prophylaxis delivery in family planning clinics to prevent HIV acquisition among adolescent girls and young women in Kisumu, Kenya Open
Introduction Oral pre-exposure prophylaxis (PrEP) is increasingly being implemented in sub-Saharan Africa. Adolescent girls and young women (AGYW) in Kenya contribute more than half of all new infections among young people aged 15–24 years…
View article: A Pilot Evaluation of Expedited Partner Treatment and Partner Human Immunodeficiency Virus Self-Testing Among Adolescent Girls and Young Women Diagnosed With Chlamydia trachomatis and Neisseria gonorrhoeae in Kisumu, Kenya
A Pilot Evaluation of Expedited Partner Treatment and Partner Human Immunodeficiency Virus Self-Testing Among Adolescent Girls and Young Women Diagnosed With Chlamydia trachomatis and Neisseria gonorrhoeae in Kisumu, Kenya Open
Background Expedited partner treatment (EPT) is effective for preventing sexually transmitted infection recurrence, but concerns about intimate partner violence and missed opportunities for human immunology virus (HIV) testing have limited…
View article: Uptake and impact of facility‐based HIV self‐testing on PrEP delivery: a pilot study among young women in Kisumu, Kenya
Uptake and impact of facility‐based HIV self‐testing on PrEP delivery: a pilot study among young women in Kisumu, Kenya Open
Introduction HIV testing is a required part of delivery of pre‐exposure prophylaxis (PrEP) for HIV prevention. However, repeat testing can be challenging in busy, under‐staffed clinical settings, which could negatively impact PrEP uptake a…
View article: Integrating HIV and STI prevention with family planning services for adolescent girls and young women in Kisumu, Kenya
Integrating HIV and STI prevention with family planning services for adolescent girls and young women in Kisumu, Kenya Open
View article: P424 High prevalence and incidence of bacterial STIs in young women at high risk of HIV prior to PrEP scale-up in kenya
P424 High prevalence and incidence of bacterial STIs in young women at high risk of HIV prior to PrEP scale-up in kenya Open
Background Young women account for more than half of new HIV infections in sub-Saharan Africa and are a target population for HIV pre-exposure prophylaxis (PrEP). Although it protects against HIV acquisition, PrEP lacks protection against …
View article: PrEP re-initiation after interruption by adolescent girls and young women in Kenya and South Africa
PrEP re-initiation after interruption by adolescent girls and young women in Kenya and South Africa Open