Publications by authors named "Benator D"

Article Synopsis
  • Rectal and pharyngeal infections from gonorrhea and chlamydia increase the risk of HIV acquisition, highlighting the importance of screening high-risk asymptomatic individuals for these STIs.
  • A study was conducted to compare the effectiveness of self-collected samples to clinician-collected samples, using the latter as the standard for accuracy.
  • Results showed that self-collection is highly effective, with sensitivity and specificity rates of over 94%, suggesting it could make STI screening more accessible and convenient.
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Background: Studies on the incidence of COVID-19 among persons with HIV (PWHs) present varied results. Few studies have investigated the impact of COVID-19 infection on health and socioeconomic factors or COVID-19 stigma. We sought to measure the incidence and severity of COVID-19 infection among a cohort of PWHs, characterize associated risk factors and impact, and document perceptions of COVID-19-related stigma.

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People with HIV (PWH) are disproportionally affected by mpox and at risk of severe complications. We assessed mpox knowledge, adoption of preventive behaviors, and vaccination attitudes among PWH enrolled in a longitudinal HIV cohort in Washington, DC, the DC Cohort. We conducted uni- and multivariable analyses comparing participants by vaccination status and HIV risk group, and multinomial regression to identify factors associated with vaccine acceptance.

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The high proportion of people with HIV (PWH) in the 2022-2023 mpox outbreak has raised questions surrounding the association between HIV and mpox. The objectives of this study were to evaluate the association between engagement in HIV-associated healthcare and mpox diagnosis, as well as to characterize cases of mpox among PWH. The DC Cohort is a longitudinal cohort of PWH in Washington, DC.

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Overall, fewer Veterans were eligible for PrEP in 2020, compared to 2019, and 2018 (Maryland Veterans Affairs Health Care System- MVAHCS-: n = 890 (2020), n = 1533 (2019); Washington DC Veterans Affairs Medical Center -DC VAMC- n = 1119 (2020), n = 1716 (2019)). While the proportion of Veterans engaged in PrEP out of those eligible for PrEP increased in 2020 compared to 2019 at both sites (MVAHCS: 5.73% (2020) vs.

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Dolutegravir and doravirine are individually safe and effective antiretroviral therapy (ART) components, but their combined use has not been studied in clinical trials and is not recommended in HIV treatment guidelines. We noted persons with HIV (PWH) receiving dolutegravir with doravirine at our Washington, DC, infectious disease clinic and undertook a service evaluation to understand why providers selected this ART, whether HIV virologic suppression was achieved and identify adverse effects of concomitant use. Case registry and prescriptions data identified 21 PWH receiving concomitant dolutegravir and doravirine with mean follow-up 576.

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Using the incidence of bacterial sexually transmitted infection (STI) as a surrogate for condomless sexual behavior, we assessed the association between STI and uncontrolled HIV replication among in-care persons with HIV (PWH) enrolled in a longitudinal HIV cohort study in the District of Columbia (the DC Cohort). Although STI occurrence initially correlated with higher HIV viral load (VL), this difference became more attenuated over time (2012-2016). This was true overall and among those with the greatest number of STIs [age 18-34, men who have sex with men (MSM)].

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Background: The Undetectable = Untransmittable (U = U) campaign advances the goal of ending the HIV epidemic by promoting durable viral suppression and therefore reducing sexual transmission. We used geospatial analysis to assess the potential for sexual HIV transmission by ZIP code of residence in the District of Columbia (DC) using data from the DC Cohort Longitudinal HIV Study (DC Cohort), a city-wide cohort of persons with HIV (PWH).

Methods: DC Cohort participants aged ≥13 years were included in the study period between April 1, 2016, and March 31, 2018.

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Context: The effect of advance care planning (ACP) interventions on the trajectory of end-of-life treatment preference congruence between patients and surrogate decision-makers is unstudied.

Objective: To identify unobserved distinctive patterns of congruence trajectories and examine how the typology of outcome development differed between ACP and controls.

Methods: Multisite, assessor-blinded, intent-to-treat, randomized clinical trial enrolled participants between October 2013 to March 2017 from 5 hospital-based HIV clinics.

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Objective: We examined factors influencing end-of-life care preferences among persons living with HIV (PLWH).

Methods: 223 PLWH were enrolled from 5 hospital-based clinics in Washington, DC. They completed an end-of-life care survey at baseline of the FACE™-HIV Advance Care Planning clinical trial.

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With more effective antiretroviral therapy (ART), people with HIV (PWH) are living longer and have more chronic diseases, including diabetes mellitus (DM). The prevalence of DM has been estimated in PWH previously, however there is less research regarding DM control. Our objectives were to determine the prevalence of DM and DM control and determine factors associated with DM control in a large urban cohort of PWH in care.

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Trial tested effect of advance care planning on family/surrogates' understanding of patients' end-of-life treatment preferences longitudinally. A multisite, assessor-blinded, intent-to-treat, parallel-group, randomized controlled clinical trial in five hospital-based HIV clinics enrolled 449 participants aged 22 to 77 years during October 2013-March 2017. Patients living with HIV/family dyads were randomized at 2:1 ratio to 2 weekly ~ 60-min sessions either ACP (n = 155 dyads)-(1) ACP facilitated conversation, (2) Advance directive completion; or Control (n = 68 dyads)-(1) Developmental/relationship history, (2) Nutrition/exercise tips.

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Objective: A rise in incidence of STIs has been noted in the USA and in the District of Columbia (DC). We aim to describe changes in incident STIs among persons in care for HIV in Washington, DC as well as trends in HIV viral load among those with incident STIs.

Methods: We conducted a retrospective DC Cohort analysis (n=7810) measuring STI incidence (syphilis, gonorrhoea and chlamydia) as well as incare viral load (ICVL) and percentage with all viral loads less than the limit of detection (% View Article and Find Full Text PDF

Objective: To evaluate associations of mood, anxiety, stress-/trauma-related, and psychotic disorders, both treated and untreated, with duration of unsuppressed HIV viral load (VL) among persons living with HIV (PLWH).

Setting: The DC Cohort, an observational clinical cohort of PLWH followed from 2011 to 2018 at 14 sites in Washington, DC.

Methods: Among PLWH ≥18 years old who received primary care at their HIV clinic, we determined in a time-updated manner whether participants had diagnoses and pharmacologic prescriptions for mood, anxiety, stress-/trauma-related, and/or psychotic disorders.

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Context: No prospective studies address disease-specific advance care planning (ACP) for adults living with HIV/AIDS.

Objective: To examine the efficacy of FAmily-CEntered (FACE) ACP in increasing ACP and advance directive documentation in the medical record.

Methods: Longitudinal, two-arm, randomized controlled trial with intent-to-treat design recruited from five hospital-based outpatient HIV clinics in Washington, DC.

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Purpose: Physicians and caregivers rate patient quality of life (QOL) lower than patients rate their own QOL. This study investigated discrepancies between self-assessments of patient QOL by adults with HIV and their surrogate decision-makers.

Methods: We collected baseline data from 223 adult dyads in the FAmily-CEntered (FACE) Advance Care Planning (ACP) clinical trial, consisting of HIV positive patients and their chosen surrogates.

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Background: Washington, DC, has one of the highest rates of HIV infection in the United States. Sexual intercourse is the leading mode of HIV transmission, and sexually transmitted infections (STIs) are a risk factor for HIV acquisition and transmission.

Methods: We evaluated the incidence and demographic factors associated with chlamydia, gonorrhea, and syphilis among HIV-infected persons enrolled at 13 DC Cohort sites from 2011 to 2015.

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This study represents one of the few exploring the effectiveness of an integrated HIV nurse navigation program on engagement and virologic outcomes. A navigator provided individualized care management (eg, pillbox renewals), intensive outreach, and collaboration with existing support systems (eg, families, community programs). Clinical data from the Veterans Affairs (VA) Medical Center site of a longitudinal, observational study of HIV in the District of Columbia (DC) cohort were used for comparison (N = 706).

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As a strategy to improve the sensitivity of nucleic acid-based testing in acid-fast bacilli (AFB) negative samples, larger volumes of sputum (5-10 mL) were tested with Xpert MTB/RIF from 176 individuals with smear-negative sputum undergoing tuberculosis evaluation. Despite larger volumes, this strategy had a suboptimal sensitivity of 50% (4/8).

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The presentation of anaplastic lymphoma kinase protein (ALK)-negative anaplastic large cell lymphoma (ALCL) in bone is rare. We describe a patient with ALK-negative ALCL presenting with clinical and radiographic findings suggesting osteomyelitis 6 months after left rotator cuff repair surgery. A review of the characteristics of ALK-negative ALCL with primary bone involvement is presented.

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The Xpert MTB/RIF assay is both sensitive and specific as a diagnostic test. Xpert also reports quantitative output in cycle threshold (C) values, which may provide a dynamic measure of sputum bacillary burden when used longitudinally. We evaluated the relationship between Xpert C trajectory and drug exposure during tuberculosis (TB) treatment to assess the potential utility of Xpert C for treatment monitoring.

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One goal of the HIV care continuum is achieving viral suppression (VS), yet disparities in suppression exist among subpopulations of HIV-infected persons. We sought to identify disparities in both the ability to achieve and sustain VS among an urban cohort of HIV-infected persons in care. Data from HIV-infected persons enrolled at the 13 DC Cohort study clinical sites between January 2011 and June 2014 were analyzed.

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Objective: Compare the effectiveness, tolerability, and safety of 3 months of weekly rifapentine and isoniazid under direct observation (3HP) versus 9 months of daily isoniazid (9H) in HIV-infected persons.

Design: Prospective, randomized, and open-label noninferiority trial.

Setting: The United States , Brazil, Spain, Peru, Canada, and Hong Kong.

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Setting: Two-month solid medium culture conversion is a commonly used, if suboptimal, endpoint for phase 2 anti-tuberculosis treatment trials.

Objective And Design: To model the effect of the performance characteristics (sensitivity and contamination rate) of solid medium on required sample size for a two-arm clinical trial with 85% true (gold standard) culture conversion in the control and 95% in the experimental arm.

Results: Increasing sensitivity and decreasing contamination reduced the sample size from 239 subjects/arm (60% sensitivity, 30% contamination) to 138 subjects/arm (95% sensitivity, 1% contamination).

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