Publications by authors named "Lalla-Edward S"

Objective: People living with HIV (PLHIV) are often recruited from primary healthcare clinics (PHC) into clinical trials. On trial completion, they are transferred back to the facility for continued care and support in managing their condition, potentially leading to better health outcomes. Because transferring PLHIV back to PHCs post-clinical trials may result in decreased access to specialised care or resources that were available during the trial, this study explored insights into challenges faced during reintegration from clinical trial settings into PHCs and antiretroviral therapy (ART) adherence post-clinical trials.

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In sub-Saharan Africa (SSA), a rising burden of noncommunicable diseases (NCDs) coexists with a persistent high burden of human immunodeficiency virus (HIV). Integrating care for chronic conditions is potentially beneficial, but the optimal approach remains unclear. By use of a narrative review of 14 recent case studies from different SSA countries, examples of NCD and HIV healthcare integration were described.

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Purpose Of Review: This review assesses recent developments in community access to pre-exposure prophylaxis (PrEP) for HIV prevention in low-and middle-income countries (LMICs). It examines literature on differentiated service delivery (DSD) and alternative delivery modes for PrEP, focusing on the role of community pharmacies and novel pick-up points. Key considerations include barriers to access, potential benefits, and strategies for implementation.

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Background: HIV clinical guidelines recommend hypertension detection and management to lower cardiovascular disease risk, but these have not been effectively implemented for people living with HIV (PWH). Addressing this implementation gap requires community-engaged implementation studies focused on addressing implementation barriers specific to the HIV care context.

Methods: This protocol describes a type 2 effectiveness-implementation hybrid study conducted in nine primary care clinics in Johannesburg.

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Article Synopsis
  • The study analyzed changes in body mass index (BMI) and overweight prevalence from 2003-2019 in 10 African countries among people living with HIV (PLWH) and those without (PLWoH).
  • It found that while mean BMI increased over time for both groups, women LWH experienced a greater increase compared to women LWoH, whereas men LWoH saw a more significant rise than men LWH.
  • Although ART (antiretroviral therapy) coverage didn't show a strong link to BMI changes, the overall trends highlighted the need for BMI monitoring programs in PLWH due to rising BMI levels.
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Background: The burden of hypertension among people with HIV is high, particularly in low-and middle-income countries, yet gaps in hypertension screening and care in these settings persist. This study aimed to identify facilitators of and barriers to hypertension screening, treatment, and management among people with HIV in primary care clinics in Johannesburg, South Africa. Additionally, different stakeholder groups were included to identify discordant perceptions.

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Article Synopsis
  • Recent studies have questioned whether newer HIV treatments like dolutegravir (DTG) and tenofovir alafenamide (TAF) lead to higher blood pressure levels.
  • The ADVANCE clinical trial in South Africa analyzed changes in systolic blood pressure (SBP) over 96 weeks among participants, revealing significant differences in SBP changes among various treatment regimens.
  • The results indicated that approximately 18.2%, 15.4%, and 13.3% of participants developed treatment-emergent hypertension with no significant connection between kidney function changes and BP outcomes; however, body mass index changes were linked to increased SBP.
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Introduction: Evidence-based intervention strategies to improve adherence among individuals living with chronic conditions are critical in ensuring better outcomes. In this systematic review, we assessed the impact of interventions that aimed to promote adherence to treatment for chronic conditions.

Methods: We systematically searched PubMed, Web of Science, Scopus, Google Scholar and CINAHL databases to identify relevant studies published between the years 2000 and 2023 and used the QUIPS assessment tool to assess the quality and risk of bias of each study.

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Background: ADVANCE compared 3 World Health Organization-recommended first-line regimens in participants with HIV who were antiretroviral naive.

Methods: This randomized, open-label, noninferiority trial enrolled participants living with HIV with no antiretroviral exposure in the previous 6 months to 1 of the following arms: tenofovir alafenamide (TAF) / emtricitabine (FTC) + dolutegravir (DTG) (2 tablets), tenofovir disoproxil fumarate (TDF) / FTC + DTG (2 tablets), or a fixed-dose combination of TDF / FTC / efavirenz (EFV) (1 tablet). We report the final safety and efficacy data up to 192 weeks.

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Background The burden of hypertension among people with HIV is high, particularly in low-and middle-income countries, yet gaps in hypertension screening and care in these settings persist. The objective of this study was to identify facilitators of and barriers to hypertension screening, treatment, and management among people with HIV seeking treatment in primary care clinics in Johannesburg, South Africa. Methods Using a cross-sectional study design, data were collected via interviews (n = 53) with people with HIV and hypertension and clinic managers and focus group discussions (n = 9) with clinic staff.

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Differentiated service delivery is recommended to improve the uptake of HIV testing and treatment for people living with HIV. One service delivery option yet to be fully capitalised on is community pharmacies. There are approximately 3,580 registered community pharmacies in South Africa.

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A large proportion of people living with HIV (PLHIV) in sub-Saharan Africa reside in rural areas. Knowledge of enablers and barriers of adherence to antiretroviral treatment (ART) in these populations is limited. We conducted a cohort study of 501 adult PLHIV on ART at a rural South African treatment facility as a sub-study of a clinical trial (ClinicalTrials.

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Introduction: Digital data collection and the associated mobile health technologies have allowed for the recent exploration of artificial intelligence as a tool for combatting the HIV epidemic. Machine learning has been found to be useful both in HIV risk prediction and as a decision support tool for guiding pre-exposure prophylaxis (PrEP) treatment. This paper reports data from two sequential studies evaluating the viability of using machine learning to predict the susceptibility of adults to HIV infection using responses from a digital survey deployed in a high burden, low-resource setting.

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HIV self-testing (HIVST) complements traditional HIV testing programmes by removing barriers and increasing access to testing for key populations, and digital interventions have been developed for HIVST to improve the testing and linkage to care experience for users. The first HIVST kit was proposed in 1986, but it took 10 years for the home sample collection (HSC) HIVST to become available and another 16 years for rapid diagnostic test HIVST to be approved by the Federal Drug Administration. Since then, studies have shown high usability and performance of HIVST, which led the World Health Organization formally recommending HIVST in 2016, and currently almost 100 countries have incorporated HIVST into their national testing strategy.

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Modern antiretroviral therapy safely, potently, and durably suppresses human immunodeficiency virus (HIV) that, if left untreated, predictably causes acquired immunodeficiency syndrome (AIDS), which has been responsible for tens of millions of deaths globally since it was described in 1981. In one of the most extraordinary medical success stories in modern times, a combination of pioneering basic science, innovative drug development, and ambitious public health programming resulted in access to lifesaving, safe drugs, taken as an oral tablet daily, for most of the world. However, substantial challenges remain in the fields of prevention, timely access to diagnosis, and treatment, especially in pediatric and adolescent patients.

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Background: Between May 2020 and February 2022, South Africa's health system bore strain as it battled mitigating the coronavirus pandemic. The country's pandemic response was scrutinized. This period also brought into focus pre-existing shortcomings in the healthcare system and its governing bodies.

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Cardiovascular disease (CVD) is the leading cause of death globally. The occupational challenges of bus drivers may increase their risk of CVD, including developing obesity, hypertension, and diabetes. We evaluated the medical records of 266 bus drivers visiting an occupational medical practice between 2007 and 2017 in Johannesburg, South Africa, to determine the health status of bus drivers and investigate risk factors for CVD, and their impact on the ability to work.

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Background: Financial incentivisation has been used to improve all steps of the HIV cascade with varying results. Most studies conducted on the matter are of a quantitative nature, not giving enough space for in-depth understanding as to why financial incentives work or do not work.

Objectives: To describe experiences with, and opinions on, the use of financial incentives to promote linkage to and retention in care from the perspective of people living with HIV.

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Introduction: Achieving viral suppression in people with HIV is crucial in ending the AIDS epidemic. Among users of HIV self-screening tests, low rates of linkage to care and early retention in care are key obstacles to achieving viral suppression. This study sought to evaluate the efficacy of financial incentives in supporting HIV case management.

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Background: Viral rebound during antiretroviral treatment (ART) is most often driven by suboptimal adherence in the absence of drug resistance. We assessed the diagnostic performance of point-of-care (POC) tenofovir (TFV) detection in urine for the prediction of viral rebound and drug resistance during ART.

Methods: We performed a nested case-control study within the ADVANCE randomized clinical trial (NCT03122262) in Johannesburg, South Africa.

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The impacts of pandemics are recognized to go beyond infection, physical suffering, and socio-economic disruptions. Other consequences include psychological responses. Using a mental wellbeing lens, we analyzed COVID-19-related stressors in healthcare workers (HCWs) and community members who provided and regularly accessed health services in South Africa, respectively.

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Background: The South African Central Chronic Medicine Dispensing and Distribution (CCMDD) programme is a National Health Insurance (NHI) initiative that improves access to medicine for patients.

Objectives: To describe the frequency of adverse drug reactions (ADRs) and medication errors reported in stable patients living with HIV.

Method: This descriptive cross-sectional survey was conducted from August 2020 to October 2020, targeting tenofovir disoproxil fumarate/lamivudine/dolutegravir (TLD) and tenofovir disoproxil fumarate/emtricitabine/efavirenz (TEE) patients.

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Background: Studies which examine quality of life (QOL) provide important insights that are needed to understand the impacts of HIV/AIDS anti-retroviral treatment (ART), comorbid conditions and other factors on the daily activities of people living with HIV/AIDS (PLH). This study aimed to determine the inter-relationships between clinical factors, behavioural, socio-demographic variables and QOL among PLH.

Methods: The secondary analysis used data collected from 293 people living with HIV/AIDS (PLH) receiving second-line ART in Johannesburg in a clinical trial which evaluated the non-inferiority of ritonavir-boosted darunavir (DRV/r 400/100 mg) compared to ritonavir-boosted lopinavir (LPV/r) over a 48 week-period.

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