Publications by authors named "Jessica Haberer"

Background: Pregnant women are vulnerable to HIV acquisition. Oral HIV pre-exposure prophylaxis (PrEP) is safe and effective for use during pregnancy. We describe PrEP adherence among pregnant women using multiple measures.

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Objective: We developed Healthy Families-PrEP to support perinatal women to use HIV prevention strategies.

Design: Single arm study to evaluate PrEP use among pregnant women exposed to the intervention.

Methods: We offered safer conception counselling including TDF/FTC as PrEP with adherence support (Healthy Families-PrEP) for women planning for pregnancy in South Africa with a partner with HIV or unknown serostatus.

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Objectives: To examine if point-of-care (POC) urine tenofovir testing-informed counseling could be used to improve virologic suppression (VS) among participants with virologic failure (VF) after ≥1 prior round of enhanced adherence counseling (EAC).

Methods: Participants were enrolled from 42 clinics across Namibia. At each monthly medication pick-up, participants completed the POC urine test and received EAC informed by this testing (EAC+).

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Background: While use of point-of-care ultrasound (POCUS) has become widespread in emergency medicine, its adoption and usage among emergency clinicians is variable. In this study, we explored the barriers and facilitators to POCUS use among emergency medicine clinicians in a tertiary care emergency department in the United States by clinical role and perceived usability of POCUS.

Methods: We initially administered a quantitative survey via REDCap and used a validated technology usability scale to categorize clinicians into tertiles of low, moderate, and high, based on perceived utility of POCUS.

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Point-of-care ultrasound (POCUS) has been shown to be beneficial in facilitating patient care, but its adoption is variable among emergency medicine (EM) clinicians. We identified the patterns of POCUS use and gaps in POCUS integration in a tertiary care emergency department (ED). These data provide a user-centered platform for subsequent development of a tele-ultrasound (tele-US) consultation program.

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Background: Labeling color fundus photos (CFP) is an important step in the development of artificial intelligence screening algorithms for the detection of diabetic retinopathy (DR). Most studies use the International Classification of Diabetic Retinopathy (ICDR) to assign labels to CFP, plus the presence or absence of macular edema (ME). Images can be grouped as referrable or nonreferrable according to these classifications.

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Background: Peer-delivered HIV self-testing (HIVST) and sexually transmitted infection self-sampling (STISS) may promote adherence to oral pre-exposure prophylaxis (PrEP), but no studies have analyzed this approach among transgender women (TGW) in sub-Saharan Africa.

Setting: The Peer study was a cluster randomized trial in Uganda (October 2020-July 2022; NCT04328025).

Methods: Ten TGW peer groups, each with 1 TGW peer and 8 TGW, were randomized 1:1 to receive quarterly in-clinic HIV testing with PrEP refills as standard-of-care (SOC) or SOC plus monthly peer delivery of oral-fluid HIVST, STISS, and PrEP refills (intervention).

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Safer conception strategies can minimize HIV acquisition during periconception periods among women living in HIV-endemic areas. We examined uptake and predictors of persistent use of the same safer conception strategy among a cohort of HIV-uninfected South African women ages 18-35 years planning for pregnancy with a partner living with HIV or of unknown HIV-serostatus. The safer conception strategies we evaluated included oral PrEP, condomless sex limited to peak fertility, and waiting for a better time to have a child (until, for example, the risks of HIV acquisition are reduced and/or the individual is prepared to care for a child); persistence was defined as using the same safer conception strategy from the first visit through 9 months follow-up.

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In the United States, tuberculosis (TB) screening is recommended for pregnant individuals with TB risk factors. We conducted a retrospective study of perinatal TB infection testing and treatment in a tertiary health system. Of 165 pregnant individuals with positive TB infection tests, only 9% completed treatment within 4.

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Article Synopsis
  • The Tandika PrEP study examined the initiation and adherence of Tenofovir alafenamide fumarate (F/TAF) pre-exposure prophylaxis among transgender women in Uganda, focusing on same-day initiation, drug-level feedback, and combined STI services.
  • Interviews revealed that the convenience of urine testing for both F/TAF and STI detection encouraged adherence, as participants appreciated F/TAF's lower stigmatization compared to traditional HIV medications and viewed weight gain positively.
  • The study highlighted that support from healthcare workers and peer engagement motivated consistent PrEP use, indicating that integrated PrEP and STI care can enhance healthcare access for this vulnerable population.
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HIV prevention with pre-exposure prophylaxis (PrEP) constitutes a major pillar in fighting the ongoing epidemic. While daily oral PrEP adherence may be challenging, long-acting (LA-)PrEP in oral or implant formulations could overcome frequent dosing with convenient administration. The novel drug islatravir (ISL) may be suitable for LA-PrEP, but dose-dependent reductions in T cell and lymphocyte counts were observed at high doses.

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Article Synopsis
  • Millions of people living with HIV rely on lifelong oral antiretroviral therapy (ART) for maintaining their health, with a strong link between medication adherence and HIV outcomes.
  • An observational study involving 313 patients in Uganda revealed that most participants transitioned to the newer dolutegravir (DTG) regimens over four years, which showed a different adherence impact on viral suppression compared to older regimens.
  • While high adherence levels with non-DTG regimens significantly improved viral suppression rates, DTG users maintained over 95% viral suppression across all adherence levels, suggesting DTG may offer a more forgiving treatment option.
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Mobile health (mHealth) interventions are increasingly used to address the challenges of living with HIV and engaging with antiretroviral therapy. A wealth of evidence supports the efficacy of mHealth in supporting living with HIV. Yet, there is a dearth of evidence on how mHealth improves outcomes, which features are effective, and why these work in a particular setting.

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We describe the results of a pilot randomized clinical trial of a mobile phone-based intervention, InTSHA: Interactive Transition Support for Adolescents with HIV, compared to standard care. Encrypted, closed group chats delivered via WhatsApp provided peer support and improved communication between adolescents with HIV, their caregivers, and healthcare providers. We randomized 80 South African adolescents ages 15 to 19 years with perinatally-acquired HIV to receive either the intervention (n=40) or standard of care (n=40).

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Background: Complementing digital adherence technologies (DATs) with mobile money incentives may improve their utility in supporting tuberculosis medication adherence, yet the feasibility and acceptability of this integrated approach remain unclear.

Objective: This study aims to describe the feasibility and acceptability of a novel DAT intervention called My Mobile Wallet composed of real-time adherence monitoring, SMS text message reminders, and mobile money incentives for tuberculosis medication adherence in a low-income setting.

Methods: We purposively recruited people living with tuberculosis from the Mbarara Regional Referral Hospital in Mbarara, Uganda, who (1) were starting tuberculosis treatment at enrollment or within the past 4 weeks, (2) owned a mobile phone, (3) were able to use SMS test messaging, (4) were aged ≥18 years, and (5) were living in Mbarara district.

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Background: India accounts for about one-quarter of people contracting tuberculosis (TB) disease annually and nearly one-third of TB deaths globally. Many Indians do not navigate all care cascade stages to receive TB treatment and achieve recurrence-free survival. Guided by a population/exposure/comparison/outcomes (PECO) framework, we report findings of a systematic review to identify factors contributing to unfavorable outcomes across each care cascade gap for TB disease in India.

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Article Synopsis
  • The Healthy Families-PrEP intervention was designed to promote HIV prevention during the period around conception and pregnancy among women in KwaZulu-Natal, South Africa, enrolling HIV-uninfected women in relationships with partners of unknown HIV status.
  • Out of 330 enrolled women, 60% initiated PrEP, with adherence rates varying over time; factors like lower income, alcohol use, and higher HIV stigma negatively impacted adherence.
  • Despite some success in PrEP uptake, there were 11 instances of HIV-seroconversions in participants, none of whom had detectable levels of the drug, highlighting the need for improved strategies to reduce HIV risk in this demographic.
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Introduction: Adherence counselling with point-of-care (POC) drug-level feedback using a novel tenofovir assay may support pre-exposure prophylaxis (PrEP) adherence; however, perceptions of urine testing and its impact on adherence are not well studied. We qualitatively examined how POC tenofovir testing was experienced by transgender women (TGW) in Uganda.

Methods: Within a cluster randomized trial of peer-delivered HIV self-testing, self-sampling for sexually transmitted infections and PrEP among HIV-negative TGW showing overall low PrEP prevention-effective adherence (NCT04328025), we conducted a nested qualitative sub-study of the urine POC assay among a random sample of 30 TGW (August 2021-February 2022).

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We conducted qualitative research among people with HIV (PWH) and care providers in Cape Town, South Africa to understand the impact of negative clinic experiences on adherence and support preferences. In-depth interviews were conducted with 41 patients with an unsuppressed viral load or a treatment gap, and focus group discussions with physicians, nurses, counselors, and community health workers. Questions addressed treatment history and adherence barriers, then participants evaluated evidence-based adherence interventions for potential scale up.

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Real-time electronic adherence monitoring involves "smart" pill boxes that record and monitor openings as a proxy for pill taking and may be useful in understanding and supporting PrEP use; however, acceptability and/or feasibility for PrEP users is uncertain. We sought to understand the experiences of using a real-time electronic adherence monitor for PrEP delivery among young women in Kisumu and Thika, Kenya. We used the Wisepill device to monitor PrEP use among 18-24-year-old women for two years.

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Introduction: Young women in sub-Saharan Africa are a priority population for HIV prevention, yet challenges with adherence and persistence to HIV pre-exposure prophylaxis (PrEP) are common. This study involved the development and pilot testing of My Way-a novel delivery system for PrEP and co-packaged sexual health services.

Methods: My Way was developed in Kisumu, Kenya through a user-centred design process (2020).

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Article Synopsis
  • Approximately 700,000 children and adolescents in the U.S. are estimated to have latent tuberculosis (TB) infection, making it important to understand the factors that affect their care engagement.
  • The study involved interviews with 19 caregivers and 24 clinicians to identify barriers and facilitators influencing pediatric TB care, using thematic analysis to highlight key themes.
  • Findings revealed that risk identification, education, trust-building, resources, and stigma play significant roles in either facilitating or hindering engagement in TB infection care, paving the way for targeted interventions to improve outcomes.
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Timely initiation of and adherence to antiretroviral therapy (ART) is critical for improving HIV outcomes and reducing HIV transmissibility. Social networks, or the social relationships individuals have with each other, have been linked with positive health outcomes, but less is known about the extent to which social network composition and structure are associated with improved ART adherence among people living with HIV (PLWH). We conducted an ego-centric network study among 828 previously ART-naïve PLWH presenting for ART initiation at 11 clinics in Mbarara, Uganda (rural population) and Gugulethu, South Africa (peri-urban population).

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Globally, over one million people acquire curable sexually transmitted infections (STI) each day. Understanding how people think about STIs is key to building culturally appropriate STI prevention and treatment programs. We explored STI knowledge and perceptions in rural, southwestern Uganda to inform future interventions.

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Introduction: Peer delivery is a client-centred approach that could maximize the coverage and impact of HIV services for transgender women (TGW). We conducted qualitative interviews to examine how peer-delivered HIV self-testing (HIVST), sexually transmitted infection self-sampling (STISS) and oral pre-exposure prophylaxis (PrEP) influenced prevention choices among TGW and their intimate partners in Uganda.

Methods: Within a cluster randomized trial of peer-delivered HIVST, STISS and PrEP among HIV-negative TGW (NCT04328025), we conducted 55 qualitative interviews with 30 TGW, 15 intimate partners and 10 TGW peers (August 2021-February 2022).

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