Publications by authors named "Agbaji O"

Background: Youth living with HIV (YLH) are disproportionately impacted by HIV with poor outcomes along the entire HIV care continuum. In a 2020-2022 pilot study, iCARE Nigeria, successfully tested a combination intervention incorporating mobile health technology and peer navigation to: 1) improve testing and linkage to HIV care for young men, especially young men who have sex with men (YMSM) and 2) improve medication adherence and treatment outcomes for YLH. The intervention was scaled up to 5 sites in 3 Nigerian cities.

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Article Synopsis
  • Viral suppression is crucial for ending the HIV epidemic, yet youth living with HIV in Nigeria experience lower rates of viral suppression compared to adults; a study aimed to identify risk factors contributing to this issue.
  • Out of 541 participants, 40% were found to be non-suppressed; significant risk factors included substance use, missed medication doses, and self-reported barriers to taking medication, while being on a first-line regimen and having supportive social networks reduced these risks.
  • The findings highlight the importance of addressing psychosocial behaviors and medication adherence in youth with HIV to improve viral suppression rates and ultimately achieve ART goals.
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Background: Nigeria adapted the WHO package of care for Advanced HIV Disease (AHD) in 2020. The package includes CD4 + cell count testing to identify People Living with HIV (PLHIV) with AHD, screening and treatment of opportunistic infections, rapid antiretrovirals (ART) initiation, and intensive adherence follow-up. The national program adopted a phased approach in the rollout of the AHD package of care to learn lessons from a few representative health facilities before scaling up across the country.

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Background: To address the need for improved virologic suppression among youth living with HIV (YLH) on antiretroviral treatment (ART), we evaluated peer navigation plus TXTXT daily text message ART reminders.

Setting: YLH aged 15-24 years on ART for at least 3 months at 6 research sites in 4 Nigerian cities.

Methods: Using a stepped-wedge design, cluster 1 was nonrandomized, whereas clusters 2 and 3 were randomized to sequences of routine care (control period) and 48 weeks of the combination intervention (intervention period).

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We determined pretreatment and acquired human immunodeficiency virus (HIV) drug resistance among children with HIV type 1 (HIV-1) in Jos, Nigeria. The majority (71%) of those who failed first-line antiretroviral therapy were on a nevirapine-containing regimen. The prevalence of pretreatment (48%) and acquired (76%) HIV drug resistance mutations was high in our study.

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Introduction: The expansion of antiretroviral therapy (ART) eligibility could lead to earlier initiation of Human Immunodeficiency Virus (HIV) treatment and consequently reduce the risk of HIV-associated Kaposi Sarcoma (KS). We investigated the impact of changes in the Nigerian HIV treatment guidelines on KS incidence among adults enrolled in HIV care in Nigeria.

Methods: We analyzed data of adults who enrolled for HIV care from January 2006 to December 2016 at one of Nigeria's largest HIV treatment centers.

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Background: Nigeria is one of six countries with half the global burden of youth living with HIV. Interventions to date have been inadequate as AIDS-related deaths in Nigeria's youth have remained unchanged in recent years. The iCARE Nigeria HIV treatment support intervention, a combination of peer navigation and SMS text message medication reminders to promote viral suppression, demonstrated initial efficacy and feasibility in a pilot trial among youth living with HIV in Nigeria.

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Nigeria adopted dolutegravir (DTG) as part of first line (1L) antiretroviral therapy (ART) in 2017. However, there is limited documented experience using DTG in sub-Saharan Africa. Our study assessed DTG acceptability from the patient's perspective as well as treatment outcomes at 3 high-volume facilities in Nigeria.

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Background: Previous studies in Nigeria have reported the presence of hepatitis B virus (HBV) genotype E and the availability of immune escape mutants. There is a paucity of data on chronic patients on long-term antiviral therapy for HBV infection.

Objective: This study assessed HBV genotypes and drug resistance variants among patients with chronic HBV infection receiving tenofovir in Jos, Nigeria.

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Background: Human immunodeficiency virus (HIV) viral load (VL) monitoring is critical for antiretroviral therapy (ART) management. Point-of-care (POC) VL testing has been reported to be feasible and preferred over standard-of-care (SOC) testing in many low- and middle-income country settings where rapid results could improve patient outcomes.

Methods: The timeliness of receipt of VL results was evaluated in an open-label, randomized, controlled trial among patients newly initiating ART.

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Background: Point-of-care (POC) viral load (VL) tests provide results within hours, enabling same-day treatment interventions. We assessed treatment outcomes with POC vs standard-of-care (SOC) VL monitoring.

Methods: We implemented a randomized controlled trial at an urban and rural hospital in Nigeria.

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Background: In Nigeria, the effect of Hepatitis B virus (HBV) on long-term liver outcomes in persons with HIV (PLH) has not been described. We determined changes in liver stiffness measure (LSM) using transient elastography over 6 years in HIV mono-infected and HIV-HBV co-infected Nigerians initiating antiretroviral therapy (ART) and factors associated with LSM decline.

Methods: This single centre, cohort study enrolled ART-naïve HIV mono- and HIV-HBV co-infected adults (≥18 years) at the APIN Public Health Initiatives-supported HIV Care and Treatment Centre at Jos University Teaching Hospital, Nigeria, from 7/2011 to 2/2012.

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Background: The incidence of Human Immunodeficiency Virus (HIV)-associated Kaposi Sarcoma (KS) in the pre-antiretroviral therapy (ART) population remains high in several countries in sub-Saharan Africa. We examined trends of KS prevalence in adults, establishing initial outpatient HIV care from 2006 to 2017 in Nigeria.

Methods: We analyzed data of 16,431 adults (age ≥ 18 years) enrolled for HIV care from January 1, 2006, to December 31, 2017, in a large clinic in Jos, Nigeria.

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Background: Despite close to two decades of antiretroviral therapy (ART) in Nigeria, data on late on-onset ART-associated adverse drug reactions (ADRs) are sparse.

Objectives: To describe early and late-onset ADRs and compare their incidence in an outpatient HIV positive Cohort on ART.

Method: We described the incidence of clinical ADRs identified and documented in an outpatient clinic cohort of HIV-positive patients treated between June 2004 and December 2015 at a tertiary health facility in Nigeria.

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Background: The COVID-19 pandemic has led to hundreds of thousands of deaths worldwide.

Aims: Being a novel viral disease, we sought to evaluate the knowledge and practice of doctors and nurses in a tertiary hospital regarding the disease.

Subjects And Methods: Using a self-administered questionnaire, respondents were asked questions on the cause, clinical features, and prevention of COVID-19.

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Optimal adherence to antiretroviral therapy (ART) remains the bedrock of effective therapy and management of human immunodeficiency virus (HIV). This systematic review examines the effect of interventions in improving ART adherence in sub-Saharan Africa (SSA), which bears the largest global burden of HIV infection. In accordance with PRISMA guidelines, and based on our inclusion and exclusion criteria, PUBMED, MEDLINE, and Google Scholar databases were searched for published studies on ART adherence interventions from 2010 to 2019.

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Introduction: human immunodeficiency virus (HIV) is evolving into a leading cause of cardiovascular diseases (CVD) in sub-Saharan Africa (SSA) where the burden of HIV remains high. Atherosclerosis underlie progression to CVD. We therefore examined the prevalence of subclinical atherosclerosis and its association with traditional and non-traditional risk factors for CVD in Nigerian HIV-infected adults.

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Objective: To compare the prevalence of hepatitis B virus (HBV) in pregnant women with and without human immunodeficiency virus (HIV) in Jos, Nigeria.

Methods: This comparative cross-sectional study of pregnant women was undertaken between 1 November 2017 and 30 April 2018. Informed consent was obtained, demographic data and predictors for HBV were collected, and all women were screened for HIV and HBV.

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Background: Treatment options are limited for TB/HIV-coinfected children who require PI-based ART. Rifabutin is the preferred rifamycin for adults on PIs, but the one study evaluating rifabutin with PIs among children was stopped early due to severe neutropenia.

Methods: We evaluated rifabutin safety and plasma pharmacokinetics among coinfected children 3-15 years of age receiving rifabutin 2.

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Background: Hepatocellular carcinoma (HCC) is an increasing cause of mortality in HIV-infected individuals. We compared host and tumour characteristics between HIV-infected and HIV-uninfected Nigerians with HCC and examined the impact of HIV on survival.

Methods: This prospective observational study was conducted at Jos University Teaching Hospital in Jos, Nigeria, among adults (>18 years) with HCC enrolled between September 2015 and September 2017 and followed until April 2019.

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Objectives: The study sought to determine the prevalence and risk factors associated with Hepatitis B surface antigenemia (HBsAg) positivity among pregnant women in Jos, Nigeria.

Methodology: This was a cross-sectional study carried out among the pregnant population in five healthcare facilities in Jos, between November 1, 2017 and April 30, 2018. Informed consent was obtained, and data on sociodemographic and risk factors for hepatitis B virus (HBV) infection were collected.

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Introduction: Adherence to antiretroviral therapy (ART) and retention in treatment programs are required for successful virologic suppression and treatment outcomes. As the number of adolescents living with HIV continues to increase globally, more information about adherence and retention patterns during and through transition from child- to adult-centered care is needed to ensure provision of a high level of care and inform development of targeted interventions to improve patient outcomes in this vulnerable population. In this analysis, we sought to describe long-term trends in adherence, retention, and virologic suppression in adolescents receiving ART at a pediatric HIV clinic in Nigeria through transition to the adult clinic.

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Objective: To determine the prevalence and predictors of precancerous cervical lesions among HIV-positive women in Jos, Nigeria.

Methods: A cross-sectional study was conducted from October 2017 to January 2018 among 326 HIV-positive women. Cervical smears were collected for examination at the AIDS Preventive Initiative of Nigeria clinics of Jos University Teaching Hospital (JUTH) and Bingham University Teaching Hospital (BhUTH), Jos, Nigeria.

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Background: We identified a HIV-positive cohort in virologic failure (VF) who re-suppressed without drug switch. We characterized their drug resistance mutations (DRM) and adherence profiles to learn how to better manage HIV drug resistance. A retrospective cohort study utilizing clinical data and stored samples.

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Article Synopsis
  • The study investigates the prevalence of the HLA-B*57:01 allele, linked to hypersensitivity reactions to abacavir (ABC), in HIV-infected Nigerians.
  • Researchers conducted a survey involving 1504 participants across five treatment centers and found that while 9.1% tested positive for HLA-B*57, none had the specific HLA-B*5701 allele.
  • The findings suggest that the HLA-B*5701 allele is rare among Nigerians living with HIV, indicating a lower risk for ABC hypersensitivity reactions in this population.
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