Publications by authors named "Jennifer Hoy"

Young people aged 18-29 are considered "adult" within the Australian HIV health service context. However, evidence increasingly defines this age group as distinct from the broader adult population such that the needs of young people living with HIV may be overlooked in the context of HIV service design and delivery. This analysis draws on the Young + Positive study, a national study in Australia that documented the perspectives of young people (aged 18-29) living with HIV.

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Owing to widespread availability of potent and tolerable antiretroviral therapy, life expectancy of people with human immunodeficiency virus (HIV) has significantly increased. Consequently, the population of people with HIV are ageing, with over 50% over the age of 50 years, and it is expected that 25% will be over the age of 65 years by 2030. People diagnosed with HIV at older age tend to have more advanced disease, and may already be experiencing comorbidities that will influence the choice of initial antiretroviral treatment.

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Purpose Of Review: Potent, well tolerated and simple to administer antiretroviral therapy (ART) has resulted in significant improvement in life expectancy for people with HIV. The increased lifespan does not necessarily equate to improved healthspan with increased rates of comorbidities, frailty and geriatric syndrome experienced by older people with HIV. This review explores the challenges in prevention and management of multimorbidity and geriatric syndrome with the ultimate goal of improving health and quality of life through holistic care.

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While HIV infection and clonal hematopoiesis (CH) have been linked with inflammatory dysregulation and an increased risk of aging-related comorbidities, their relationship with clinical geriatric syndromes has not been well defined. In the Age-related Clonal Haematopoiesis in an HIV Evaluation Cohort (ARCHIVE) study (NCT04641013), we measure associations between HIV and CH and geriatric syndromes. Of 345 participants (176 with HIV and 169 without HIV), 23% had at least one mutation associated with CH: 27% with HIV and 18% without HIV (p = 0.

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Article Synopsis
  • - The text emphasizes that new antiretroviral drugs and formulations are continuously being developed for HIV prevention and treatment, highlighting the importance of updated strategies to manage the virus effectively.
  • - A panel of expert physician scientists has compiled updated recommendations for 2024 based on extensive literature reviews and data from scientific conferences, focusing on treatment protocols tailored to specific patient needs.
  • - Current recommendations advocate for antiretroviral therapy for all individuals with HIV, primarily using integrase strand transfer inhibitors, while also offering alternatives for those with unique circumstances, and suggesting both oral and injectable options for HIV prevention.
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'Jump scares' are particularly robust when visuals are paired with coherent sound. A new study demonstrates that connectivity between the superior colliculus and parabigeminal nucleus generates multimodal enhancement of visually triggered defensiveness, revealing a novel multisensory threat augmentation mechanism.

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Article Synopsis
  • A study investigated the effect of 96 weeks of rosuvastatin on pulse wave velocity (PWV) in 55 HIV-positive men with moderate cardiovascular risk.
  • Both the rosuvastatin and placebo groups experienced an increase in PWV, showing no significant difference between the two at the end of the study.
  • The results indicated that rosuvastatin did not have a beneficial effect on PWV compared to the placebo after 96 weeks.
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Condoms continue to be used by many gay, bisexual, and other men who have sex with men (GBM) to reduce the risk of HIV transmission. However this is impacted by condom failure events, defined here as condom breakage and slippage. In a prospective, observational cohort study of 343 HIV serodiscordant male couples recruited through high HIV caseload clinics and hospitals between 2012 and 2016 in Australia, Brazil, and Thailand, condom failure rates and associated factors were analysed, including with the study partner versus other sexual partners.

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Objectives: People with HIV and extensive antiretroviral exposure may have limited/exhausted treatment options (LExTO) due to resistance, comorbidities, or antiretroviral-related toxicity. Predictors of LExTO were investigated in the RESPOND cohort.

Methods: Participants on ART for at least 5 years were defined as having LExTO when switched to at least two anchor agents and one third antiretroviral (any class), a two-drug regimen of two anchor agents (excluding rilpivirine with dolutegravir/cabotegravir), or at least three nucleoside reverse transcriptase inhibitors.

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Objectives: Improved life expectancy has led to an ageing population of people living with HIV in most countries. Research on ageing among people living with HIV has predominantly focused on physical and health-related quality of life rather than multidimensional quality of life. We measured quality of life among older people living with HIV in Australia and identified opportunities to guide the development and implementation of appropriate interventions.

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Introduction: Antiretroviral therapy for people living with HIV-1 must be taken lifelong due to the persistence of latent virus in long-lived and proliferating CD4 T cells. Vitamin D is a steroidal gene transcription regulator which exerts diverse effects on immune and epithelial cells including reductions in CD4 T cell proliferation and improvement in gut barrier integrity. We hypothesised that a high dose of vitamin D would reduce the size of the HIV-1 reservoir by reducing CD4 T cell proliferation.

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Background: Previous studies have reported impairment in systolic and diastolic function in people with HIV (PWHIV). Our aim was to determine if echocardiographically measured left ventricular (LV) global longitudinal strain (GLS) is abnormal in asymptomatic PWHIV.

Methods: A cross-sectional study of PWHIV ( = 98, 89% male, median age 53 years) and HIV-negative people ( = 50, median age 53 years) without known cardiovascular disease were recruited from a single centre.

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Despite cancer being a leading comorbidity amongst individuals with HIV, there are limited data assessing cancer trends across different antiretroviral therapy (ART)-eras. We calculated age-standardised cancer incidence rates (IRs) from 2006-2021 in two international cohort collaborations (D:A:D and RESPOND). Poisson regression was used to assess temporal trends, adjusted for potential confounders.

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Background: People living with HIV (PLHIV) are at increased risk for coronary artery disease (CAD). This study aimed to describe the features associated with CAD in PLHIV.

Methods: A case ([n =160] PLHIV with CAD) control ([n =317] PLHIV matched by age and sex without CAD) study was performed at the Alfred Hospital, Melbourne, Australia (January 1996 and December 2018).

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Background: For people with HIV and CD4 counts >500 cells/mm, early initiation of antiretroviral therapy (ART) reduces serious AIDS and serious non-AIDS (SNA) risk compared with deferral of treatment until CD4 counts are <350 cells/mm. Whether excess risk of AIDS and SNA persists once ART is initiated for those who defer treatment is uncertain.

Methods: The Strategic Timing of AntiRetroviral Treatment (START) trial, as previously reported, randomly assigned 4684 ART-naive HIV-positive adults with CD4 counts .

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People living with HIV have unique resources to offer each other and health systems. This study investigated how peer navigation might contribute to a socially supportive, health enabling environment in Victoria, Australia. We used semi-structured interviews with 30 program staff, management, peer workers and clinician stakeholders.

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Objectives: People with HIV (PWH) experience a greater risk of morbidity and mortality following COVID-19 infection, and poorer immunological responses to several vaccines. We explored existing evidence regarding the immunogenicity, effectiveness, and safety of SARS-CoV-2 vaccines in PWH compared with controls.

Methods: We conducted a systematic search of electronic databases from January 2020 until June 2022, in addition to conference databases, to identify studies comparing clinical, immunogenicity, and safety in PWH and controls.

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Background: Although HIV treatment-as-prevention reduces individual-level HIV transmission, population-level effects are unclear. We aimed to investigate whether treatment-as-prevention could achieve population-level reductions in HIV incidence among gay, bisexual, and other men who have sex with men (GBM) in Australia's most populous states, New South Wales and Victoria.

Methods: TAIPAN was a longitudinal cohort study using routine health record data extracted from 69 health services that provide HIV diagnosis and care to GBM in New South Wales and Victoria, Australia.

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Globally the community of people with HIV is ageing, and some of these have increasingly complex care needs, with a known excess of non-HIV related comorbidities and related issues including consequent polypharmacy. At the 2022 International AIDS Conference in Montréal, Canada, the "Silver Zone" was created in the Global Village as a safe space for older people with HIV. As part of the Silver Zone activities, a session discussing global models of care for in this group was held.

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Article Synopsis
  • - A study on 343 male HIV-negative partners in serodiscordant relationships across Australia, Brazil, and Thailand found varying relationship agreements about sex outside the partnership, with 34.1% having no agreement, 33.5% monogamous, and 37.9% open agreements.
  • - Most of these agreements remained stable over time (76% consistency), but many couples shifted towards open agreements, reflecting a behavior that aligned with the type of agreement in place.
  • - Factors leading to breaches in these agreements, particularly through condomless anal intercourse (CLAI) with outside partners, included CLAI within the relationship and recent PrEP use, highlighting the need to focus on external sexual activities in terms of HIV
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Further investigations into the relationship between integrase strand transfer inhibitors (INSTIs) and weight gain are required, especially whether ceasing INSTI results in weight loss. We evaluated weight changes associated with different antiretroviral (ARV) regimens. A retrospective longitudinal cohort study was conducted using data extracted from the electronic clinical database at the Melbourne Sexual Health Centre, Australia, from 2011 to 2021.

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