Publications - HIV

Pre-antiretroviral therapy selenium status predicts WHO stages 3, 4 or death but not virologic failure post-antiretroviral therapy

Post Date: 
2014-11-13
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Nutrients
A case-cohort study, within a multi-country trial of antiretroviral therapy (ART) efficacy (Prospective Evaluation of Antiretrovirals in Resource Limited Settings (PEARLS)), was conducted to determine if pre-ART serum selenium deficiency is independently associated with human immunodeficiency...

Cell phone utilization among foreign-born latinos: a promising tool for dissemination of health and HIV information

Post Date: 
2014-08-01
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Journal of Immigrant and Minority Health
Latinos in the U.S. are disproportionately affected by HIV and are at risk for late presentation to care. Between June 2011 and January 2012, we conducted a cross-sectional survey of 209 Baltimore Latinos at community-based venues to evaluate the feasibility of using communication technology (ICT)-...

25-Hydroxyvitamin D insufficiency and deficiency is associated with HIV disease progression and virological failure post-antiretroviral therapy initiation in diverse multinational settings

Post Date: 
2014-07-15
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The Journal of Infectious Diseases
Background: Low 25-hydroxyvitamin D (25(OH)D) has been associated with increased HIV mortality, but prospective studies assessing treatment outcomes after combination antiretroviral therapy (cART) initiation in resource-limited settings are lacking. Methods...

Impact of maternal hepatitis B virus coinfection on mother-to-child transmission of HIV

Post Date: 
2014-07-15
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HIV Medicine
Objectives: Despite high hepatitis B virus (HBV) endemicity in various resource-limited settings (RLSs), the impact of maternal HIV/HBV coinfection on infant health outcomes has not been defined. We aimed to assess the prevalence of HBV coinfection among HIV-infected pregnant women and its...

Diagnostic accuracy of a rapid urine lipoarabinomannan test for tuberculosis in HIV-infected adults

Post Date: 
2014-07-01
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Journal of Acquired Immune Deficiency Syndromes
Objective : In settings of high HIV prevalence, tuberculosis control and patient management are hindered by lack of accurate, rapid tuberculosis diagnostic tests that can be performed at point-of-care. The Determine TB LAM Ag (TB LAM) test is a lateral flow immunochromatographic test for...

Optimisation of the Medical Education Partnership Initiative to address African health-care challenges

Post Date: 
2014-06-25
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The Lancet Global Health
The Medical Education Partnership Initiative (MEPI) is an innovative and potentially transformative 5-year programme, established by the US Government in 2010, to increase the number of doctors to meet crucial human resource needs in sub-Saharan Africa.1 MEPI allows African institutions that...

Challenges to disclosure of HIV status to perinatally infected children: a study of caregiver perspectives in Pune, India

Post Date: 
2014-06-15
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Journal of Pediatric Infectious Diseases
Effective guidelines around disclosure of HIV status are lacking and limited data from India reveal low rates of HIV disclosure to perinatally infected children. This study, conducted in Pune, India, attempts to understand the experiences of caregivers of perinatally infected children around the...

Comparative performance of urinary lipoarabinomannan assays and Xpert MTB/RIF in HIV-infected individuals

Post Date: 
2014-06-01
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AIDS
Background : Xpert MTB/RIF ('Xpert') and urinary lipoarabinomannan (LAM) assays offer rapid tuberculosis (TB) diagnosis, but have suboptimal sensitivity when used individually in HIV-positive patients. The yield of these tests used in combination for the diagnosis of active TB among HIV-...

Taking the long view on CREATE studies' finding

Post Date: 
2014-05-15
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The Lancet Infectious Disease
In the past 10 years, the Consortium to Respond Effectively to the AIDS TB Epidemic (CREATE) has done three large trials exploring new strategies to control HIV-related tuberculosis. Recognising that the global strategy for tuberculosis control of a decade ago (mainly directly observed short-...

Socioeconomic determinants of mortality in HIV: evidence from a clinical cohort in Uganda

Post Date: 
2014-05-15
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Journal of Acquired Immune Deficiency Syndromes
Objective: To delineate the association between baseline socioeconomic status (SES) indicators and mortality and lost to follow-up (LTFU) in a cohort of HIV-infected individuals enrolled in antiretroviral therapy (ART) in urban Uganda. Design: Retrospective...

A consortium approach to competency-based undergraduate medical education in Uganda: process, opportunities and challenges

Post Date: 
2014-05-15
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Education for Health
Background: Uganda, like the rest of Africa, is faced with serious health challenges including human immunodeficiency virus infection/acquired immunodeficiency syndrome (HIV/AIDS), other infectious diseases and increasing non-communicable diseases, yet it has a significant shortage of health...

Change in Vitamin D levels occurs early after antiretroviral therapy initiation and depends on treatment regimen in resource-limited settings

Post Date: 
2014-04-21
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PLOS One
Background: Vitamin D has wide-ranging effects on the immune system, and studies suggest that low serum vitamin D levels are associated with worse clinical outcomes in HIV. Recent studies have identified an interaction between antiretrovirals used to treat HIV and reduced serum vitamin D...

Maternal pneumococcal capsular IgG antibodies and transplacental transfer are lower in South Asian HIV-infected mother-infant pairs

Post Date: 
2014-03-14
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Vaccine
Background: Our understanding of the mother-to-child transfer of serotype-specific pneumococcal antibodies is limited in non-immunized, HIV-positive women. Methods: We compared geometric mean antibody concentrations (GMCs), geometric mean transplacental...

Field evaluation of PIMA point-of-care CD4 testing in Rakai, Uganda

Post Date: 
2014-03-10
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PLOS One
Objective: To assess the accuracy of PIMA Point-of-Care (POC) CD4 testing in rural Rakai, Uganda. Methods: 903 HIV positive persons attending field clinics provided a venous blood sample assessed on site using PIMA analyzers per manufacturer's specifications. The...

The role of viral introductions in sustaining community-based HIV epidemics in rural Uganda: evidence from spatial clustering, phylogenics, and egocentric transmission models

Post Date: 
2014-03-04
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PLOS One
Background: It is often assumed that local sexual networks play a dominant role in HIV spread in sub-Saharan Africa. The aim of this study was to determine the extent to which continued HIV transmission in rural communities—home to two-thirds of the African population—is driven by intra-...

Mortality and long-term virologic outcomes in children and infants treated with lopinavir/ritonavir

Post Date: 
2013-12-15
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Pediatric Infectious Disease Journal
Background: There is scant data on young children receiving protease inhibitor-based therapy in real-life resource-limited settings and on the optimal timing of therapy among children who survive infancy. Our aim was to evaluate outcomes at the Hospital del Niño, Panama, where children have...

Cost-effectiveness of novel algorithms for rapid diagnosis of tuberculosis in HIV-infected individuals in Uganda

Post Date: 
2013-11-28
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Publication: 
AIDS
Objective : Xpert MTB/RIF ('Xpert') and urinary lateral-flow lipoarabinomannan (LF-LAM) assays offer rapid tuberculosis (TB) diagnosis. This study evaluated the cost-effectiveness of novel diagnostic algorithms utilizing combinations of Xpert and LF-LAM for the detection of active TB among...

The Exposure Assessment in current time (EXACT) study: implementation, feasibility and acceptability of real-time data collection in a community cohort of illicit drug users

Post Date: 
2013-11-06
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AIDS Research and Treatment
Objective: We describe the study design and evaluate the implementation, feasibility, and acceptability of an ecological momentary assessment (EMA) study of illicit drug users. Design. Four sequential field trials targeting observation of 30 individuals followed for a four week period...

HIV/AIDS education in traditional Indian systems of medicine: faculty perspectives

Post Date: 
2013-10-24
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Journal of Traditional Medicine and and Clinical Naturopathy
In India, HIV-infected individuals face numerous challenges in their search for treatments. Currently, western allopathic medicine (hereinafter ‘biomedicine’) offers antiretroviral therapy (ART) for HIV/AIDS and associated co-morbidities that have prolonged survival and improved quality of...

A qualitative study of barriers to enrollment into free HIV care: perspectives of never-in-care HIV-positive patients and providers in Rakai, Uganda

Post Date: 
2013-07-23
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BioMed Research International
Background: Early entry into HIV care is low in Sub-Saharan Africa. In Rakai, about a third (31.5%) of HIV-positive clients who knew their serostatus did not enroll into free care services. This qualitative study explored barriers to entry into care from HIV-positive clients who had never...

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