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222 active trials for HIV/AIDS

Youth Services Navigation Intervention for HIV+ Adolescents and Young Adults Being Released From Incarceration

HIV prevalence among incarcerated youth living with HIV (YLWH) is three times that of the general population and one in seven of all HIV+ persons experience incarceration each year. Furthermore, only an estimated 6% of HIV+ youth achieve HIV viral load suppression, due to poor retention and adherence to anti-retroviral therapy (ART). Existing linkage and retention services are insufficient to meet the acute needs of criminal justice-involved (CJI) HIV+ youth, particularly in the high-need period following release from incarceration. The LINK2 study will develop and implement a youth service navigation (YSN) intervention to improve linkage and retention among CJI YLWH and analyze results to address existing gaps in the literature. The investigators will enroll 240 CJI YLWH, aged 16-25 (+364 days), incarcerated in Los Angeles and Chicago jails and through community clinics serving recently released CJI YLWH. Participants will be randomized to the YSN intervention (n=120) vs. a usual-care control group (n=120). The youth services navigators (YSNs) will assist with addressing immediate unmet needs such as housing, transportation, and food prior to clinical care and ongoing; will guide intervention participants to a range of community services to support progress along the continuum of HIV care; and will provide direct ART adherence support. The proposed study has two Primary Specific Aims: 1. Adapt an existing peer navigation intervention for adults to create a Youth Service Navigation (YSN) intervention sensitive to sexual and gender minority (SGM) culture that guides youth to needed services along the continuum of HIV care. This intervention combines medical, substance use and mental health care with comprehensive reentry support for CJI YLWH, aged 16-25 (+364 days) upon release from large county jails and juvenile detention systems; 2. Using a two-group RCT design, the study will test the effectiveness of the new YSN, youth SGM-sensitive intervention among CJI YLWH aged 16-25 (+364 days), compared to controls offered standard of care. The study team will evaluate the YSN Intervention's effect on post-incarceration linkage, retention, adherence, and viral suppression, as well as on substance use disorders, mental health, services utilization, and met needs. Secondary Aims are to assess the intervention's effects on recidivism, costs and potential cost-offset/effectiveness.

Start: August 2019
HIV Reengagement and Assessment Mobile Program (Project RAMP)

The North Carolina Bridge Counselor system is designed to help link out of care HIV positive patients back into HIV care. It has improved initial linkages and patient re-engagement overall, but for a sizable group of patients, the current system has not been effective, leaving a population of hard-to-reach, lost-to-care patients who remain out of care. There is limited understanding of the lived experiences of patients who fall out of HIV care and become recalcitrant to re-engagement because they are difficult to reach and therefore underrepresented in research. Out of care HIV+ patients who have not reengaged in care following the standard of care who chose to enroll in the study will participate in 2 semi-structured interviews and receive a field-based HIV re-engagement and treatment intervention (Project RAMP). Project RAMP will consist of up to 4 visits from an outreach research nurse designed to serve as an "on-ramp" to HIV care. At these visits, the outreach number will counsel on HIV care and treatment and obtain a medical history and labs. Results will be communicated to the participant's clinic provider in an effort to both encourage the patient to return to care and facilitate more rapid antiretroviral therapy (ART) initiation by the clinic provider. The research team will also provide the participant in-person assistance with scheduling a clinic visit. Clinic providers may re-initiate ART prior to the reengagement clinic visit, with adherence support provided by the outreach nurse.

Start: May 2020
TB Reduction Through ART and TB Screening Project

Tuberculosis (TB) has overtaken HIV as the leading infectious cause of death worldwide and requires a major policy shift for it to be controlled in line with the WHO Stop-TB goal to "end TB". However, how to control TB at population level in the context of HIV, is unknown. Some of the best evidence to date comes from the Southern African ZAMSTAR trial, where a household-level TB /HIV intervention including TB symptom screening, HIV counselling and testing with linkage to care and isoniazid preventive therapy (IPT) as indicated, was offered to all household members of TB patients. Despite only reaching ~6% of households in the intervention communities, the data showed a nearly 20% reduction in TB disease prevalence and 50% reduction in TB infection incidence at the population-level. Increasing the scope of the intervention to all households and thus all community members, may therefore significantly change the burden of TB and "end TB". The proposed TREATS project builds on the experience of ZAMSTAR and is nested within the ongoing HPTN 071 (PopART) trial (NCT01900977), the largest ever trial of a combination HIV/TB prevention intervention being conducted in Zambia and South Africa. The project consists of 4 linked studies that will provide definitive cluster-randomised evidence of the effect of a household-level combined HIV and TB prevention intervention on the burden of TB at population level. The project will produce two major outputs of global importance to public health policy. The first will provide definitive evidence of the effectiveness of scaled up combination TB/HIV prevention interventions on TB. The second output will improve understanding of the best ways to measure the impact of public health interventions on TB burden. This is a unique opportunity to assess the impact of combination HIV prevention, including universal HIV testing and treatment, combined with population screening for active TB on the burden of TB. The HPTN071(PopART) trial,a cluster randomised trial in 21 communities in Zambia and South Africa with a population size of approximately 1 million individuals, is unlikely ever to be repeated. The recently adopted WHO guidelines of a "universal treatment" strategy for HIV, will prompt policy-makers to seek strategies of case-finding for HIV offering an opportunity to conduct TB screening on a large scale. The results from the TREATS project will therefore provide unique and timely information of the additional costs and benefits of combined TB and HIV prevention strategies at population level. TREATS will also assess novel methods to measure the effect of interventions on burden of TB in the trial communities. The latest interferon gamma release assay QuantiFERON® Gold Plus will be assessed for measuring impact of TB interventions on incidence of infection. A combination of Xpert® MTB/RIF and computer aided digital X-ray (CAD4TB) will be assessed for measuring prevalence of active TB. These new methods will provide important information about the best way of measuring TB incidence and prevalence rates and allow triangulation of the different methods to inform global estimates of TB burden in the post MDG era. The TREATS consortium will stimulate synergy between leading African research groups (Zambart, HST); new European technology (Delft Diagnostic Imaging, Qiagen); international TB bodies (The Union) and European research centres (LSHTM, Imperial College, Sheffield University and KNCV), as well as with the US funders of the HPTN071/PopART trial.

Start: June 2018
Prevent TB: Choice Architecture for TPT Delivery

Background: Clinical guidelines and policies often fail to achieve high levels of delivery of intended clinical interventions. The difference in what the investigators know works and what is actually delivered at the clinic-level to patients, is known as the "science-to-service gap." In the realm of tuberculosis (TB) prevention, this gap is reflected in <20% of TB preventive therapy (TPT) -eligible persons living with HIV (PWH) being offered or initiated on isoniazid preventive therapy (IPT) in many settings. Recent innovation in TPT have brought new pharmacological options allowing for shorter courses, intermittent dosing, or both. The overarching goal of this study is to identify a generalizable approach to overcome current barriers to delivery of TPT in order to achieve high levels of TPT delivery during routine care in public clinics. Multiple approaches are in standard use to change prescribing behavior including in service training, audit and feedback, clinical mentoring, the use of clinical decision aids, and "academic detailing." However, the overall change is generally modest. To achieve a substantial increase in TPT delivery (from current approximately 20% to 60-80%) will require a fundamental change in the approach to selecting patients for TPT - a redesign of the choice architecture of TPT prescribing. Methods: The investigators are proposing a choice architecture that makes prescribing TPT the "default" or standard option and that for TPT not to be prescribed will require a choice by a clinician to "opt-out" of TPT for a specific patient. The investigators are proposing a cluster randomized design to test the choice architecture approach to increasing delivery of TPT. Clinics will be randomized to one of two strategies: (1) standard implementation and (2) choice architecture default TPT. Because of the clinic-level nature of the implementation strategies, all PWH receiving care at a clinic will be exposed to the standard implementation or TPT routinization implementation. Clinical process data will be used to assess the effectiveness of each strategy to determine the proportion of PWH (1) screened for TPT, (2) eligible for TPT, and (3) prescribed TPT. Significance: TB is the leading cause of death among PWH in South Africa and elsewhere on the continent. TPT is a proven intervention to reduce mortality among PWH but is not widely prescribed. This study seeks to identify an implementation strategy to reach optimal TPT prescribing.

Start: September 2021