Publications by authors named "Pintye J"

Introduction: Adolescent girls and young women (AGYW) in Kenya have low pre-exposure prophylaxis (PrEP) initiation rates in part due to stigmatizing interactions with health care providers. Our recent randomized clinical trial of a standardized patient actor (SP) training intervention for providers found higher quality PrEP delivery at intervention sites, however it was unclear whether improved service quality improved PrEP initiation.

Methods: This analysis used routine records from facilities participating in the randomized trial which aimed to improve provider communication and adherence to Kenyan guidelines when offering PrEP to AGYW.

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Background: Preterm birth (PTB) is a leading cause of neonatal mortality, particularly in sub-Saharan Africa where 40% of global neonatal deaths occur. We identified and combined demographic, clinical, and psychosocial correlates of PTB among Kenyan women to develop a risk score.

Methods: We used data from a prospective study enrolling HIV-negative women from 20 antenatal clinics in Western Kenya (NCT03070600).

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Background: Clinical decision support (CDS) tools can support HIV care, including through case tracking, treatment and medication monitoring, and promoting provider compliance with care guidelines. There has been limited research into the technical, organizational, and behavioral factors that impact perceptions of and willingness to use CDS tools at scale in resource-limited settings, including in Haiti.

Methods: Our sample included fifteen purposively chosen Haitian HIV program experts, including active clinicians and HIV program managers.

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Background: Doxycycline post-exposure prophylaxis (doxy-PEP) reduces chlamydia, gonorrhea, and syphilis infections among men who have sex with men (MSM) and transwomen (TW). Perspectives of health care providers (HCPs) regarding doxy-PEP can inform implementation efforts.

Methods: From August 2022 to January 2023, HCPs were recruited from 13 cities with high sexually transmitted infection (STI) rates for semi-structured, in-depth interviews about their awareness of and attitudes towards doxy-PEP for STI prevention.

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Pre-exposure prophylaxis (PrEP) is being scaled up to prevent HIV acquisition among adolescent girls and young women (AGYW) in Eastern and Southern Africa. In a prior study more than one-third of AGYW 'mystery shoppers' stated they would not return to care based on interactions with health providers. We examined the experiences of AGYW in this study to identify main barriers to effective PrEP services.

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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 evaluate effectiveness of a standardized patient actor (SP) training intervention to improve quality of preexposure prophylaxis (PrEP) services for adolescent girls and young women (AGYW) in Kenya.

Design: Cluster randomized trial and mystery shopper evaluation.

Methods: Twelve of 24 maternal child health and family planning facilities were randomized to SP training.

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Article Synopsis
  • - The study measured tenofovir (TFV) concentrations in hair as a way to track adherence to HIV preexposure prophylaxis during pregnancy and after childbirth.
  • - Researchers collected hair samples from 102 women and compared them with dried blood spots (DBSs) to evaluate the effectiveness of this method.
  • - Results showed that having an HIV-positive partner increased hair TFV levels significantly, and there was a strong correlation between hair TFV concentrations and DBS TFV-diphosphate levels, suggesting hair analysis is a reliable adherence indicator.
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Purpose Of Review: To provide an overview of the current state of HIV pre-exposure prophylaxis (PrEP) delivery via private sector pharmacies globally, to discuss the context-specific factors that have influenced the design and implementation of different pharmacy-based PrEP delivery models in three example settings, and to identify future research directions.

Recent Findings: Multiple high- and low-income countries are implementing or pilot testing PrEP delivery via private pharmacies using a variety of delivery models, tailored to the context. Current evidence indicates that pharmacy-based PrEP services are in demand and generally acceptable to clients and pharmacy providers.

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Background: Over one-third of people living with HIV (PLH) in Ukraine are not on treatment. Index testing services, which link potentially exposed partners (named partners) of known PLH (index patients) with testing and treatment services, are being scaled in Ukraine and could potentially close this gap.

Methods: This retrospective study included patient data from 14,554 adult PLH who initiated antiretroviral treatment (ART) between October 2018 and May 2021 at one of 35 facilities participating in an intervention to strengthen index testing services.

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Article Synopsis
  • - Children living with HIV in Haiti face significant gaps in awareness, treatment, and viral load suppression, with only 63% knowing their status and 48% being virally suppressed, compared to higher rates in adults.
  • - The study aimed to explore how missing data in electronic medical records (EMRs) correlates with interruptions in antiretroviral therapy treatment between pediatric and adult patients.
  • - Results indicate that pediatric patients experience more interruptions in treatment (33%) than adults (23.4%), and higher instances of data missingness, with each additional missing indicator increasing the likelihood of treatment interruption by 34%.
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Background: Oral pre-exposure prophylaxis (PrEP) and male partner HIV self-testing (HIVST) is being scaled up within antenatal clinics. Few data are available on how co-distribution influences acceptance of both interventions.

Methods: We used data from the PrEP Implementation of Mothers in Antenatal Care (NCT03070600) trial in Kenya.

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Introduction: Many Kenyan adolescent girls and young women (AGYW) with behaviors associated with HIV acquisition access contraception at retail pharmacies. Offering oral pre-exposure prophylaxis (PrEP) in pharmacies could help reach AGYW with PrEP services.

Methods: We piloted PrEP delivery at 3 retail pharmacies in Kisumu, Kenya.

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Background: High-risk human papillomavirus (HR-HPV) is the primary cause of cervical cancer, leading to over 311 000 global deaths, mainly in low- and middle-income countries. Kenyan women living with HIV (WLHIV) face a disproportionate burden of HR-HPV.

Objectives: We determined the prevalence of HR-HPV infections and their association with cervical cytology findings among Kenyan WLHIV.

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Background: Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) infections in pregnancy contribute to adverse perinatal outcomes. We identified predictors of CT and/or NG infection among pregnant Kenyan women.

Methods: Women without HIV were enrolled at 2 antenatal clinics in Western Kenya.

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Background: Delivery of PrEP to adolescent girls and young women (AGYW) and to pregnant women through maternal and child health (MCH) and family planning (FP) clinics is scaling up in Kenya. Evaluation of implementation challenges and strategies is critical to optimize delivery.

Methods: We conducted focus group discussions (FGDs) with healthcare workers (HCWs) in MCH and FP clinics offering PrEP in a large implementation project in Kisumu, Kenya.

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Objective: We evaluated pre-exposure prophylaxis (PrEP) initiation, persistence, and adherence measured via tenofovir-diphosphate (TFV-DP) concentrations in dried blood spots (DBS) among women offered PrEP during pregnancy.

Methods: We prospectively analyzed data from participants in the PrIMA Study (NCT03070600) who were offered PrEP during the second trimester and followed through 9 months postpartum. At follow-up visits (monthly in pregnancy; 6 weeks, 6 months, 9 months postpartum), self-reported PrEP use was assessed, and DBS were collected for quantifying TFV-DP concentrations.

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Introduction: Long-acting pre-exposure prophylaxis (PrEP) options could overcome barriers to oral PrEP persistence during pregnancy and postpartum. We evaluated long-acting PrEP preferences among oral PrEP-experienced pregnant and postpartum women in South Africa and Kenya, countries with high PrEP coverage with pending regulatory approvals for long-acting injectable cabotegravir and the dapivirine vaginal ring (approved in South Africa, under review in Kenya).

Methods: From September 2021 to February 2022, we surveyed pregnant and postpartum women enrolled in oral PrEP studies in South Africa and Kenya.

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Background: Evidence gaps remain regarding the influence of prenatal psychosocial factors on adverse pregnancy outcomes.

Objective: The objective of this study is to evaluate relationships between psychosocial factors and adverse perinatal outcomes among Kenyan women.

Methods: We analysed data from a prospective cohort study enrolling HIV-negative women in pregnancy (NCT03070600) in 20 antenatal clinics in Western Kenya.

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Background: There are limited data on home pregnancy test use among women in low-and-middle-income countries. A prior survey found that only 20% of women in western Kenya used a home pregnancy test to confirm their pregnancies before going to antenatal care. This qualitative study aims to understand why women do not use home pregnancy tests in early pregnancy.

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Objective: The authors evaluated factors contributing to coronavirus disease 2019 (COVID-19) vaccine hesitancy among pregnant and postpartum women to inform vaccine scale-up strategies.

Methods: This observational study utilized data from pregnant and postpartum women attending four public maternal child health (MCH) clinics in Western Kenya. From October 2020 to July 2022, nurses assessed COVID-19 vaccine hesitancy, defined as reporting "unlikely" or "very unlikely" to the question, "If a vaccine for COVID-19 were available today, what is the likelihood that you would get vaccinated?"

Results: Among 1023 women (235 pregnant, 788 postpartum), 20% reported worsened MCH care during the pandemic and most (92%) perceived themselves or family members to be at risk for COVID-19, yet 54% of women reported COVID-19 vaccine hesitancy.

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