Publications by authors named "David W Forrest"

Introduction: Xylazine, a veterinary tranquilizer not approved for human use, has increasingly contaminated the unregulated drug supply in the United States and is a key driver of an increasingly synthetic, polysubstance overdose crisis. While research has focused on xylazine's toxicologic and physiologic effects, less is known about its psychosocial consequences for people who use drugs (PWUD) and their implications for harm reduction services.

Methods: We conducted semi-structured qualitative interviews with 17 PWUD and 8 staff at a syringe services program in Miami, FL from June-July 2023.

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Background: Women who inject drugs (WWID) face disproportionately higher risks of infectious diseases, reproductive health challenges, and gendered social and structural vulnerabilities compared to men. Despite these elevated risks, most harm reduction programs do not tailor their services to meet the needs of WWID. In Florida, where syringe service programs are relatively new and implemented at the county-level, access remains limited.

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Men who have sex with men who use substances (SU-MSM) can benefit from pre-exposure prophylaxis (PrEP) for HIV prevention, especially in Southern US cities where HIV incidence is high; however, uptake remains low. Identifying barriers and facilitators is crucial for developing and implementing strategies to enhance uptake. Few studies of PrEP barriers and facilitators have focused on Southern SU-MSM, and most existing studies have not robustly measured such barriers and facilitators.

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Background: People who inject drugs (PWID) living with HIV are less likely to receive care at early disease stages and have low rates of viral suppression. This study examined the feasibility and acceptability of rapid antiretroviral therapy (ART) initiation among PWID with HIV at a syringe services program (SSP) and assessed retention in care after transition to a traditional HIV clinic.

Patients/materials And Methods: A mixed-methods single-arm pilot study was conducted at an SSP in Miami, Florida.

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Background: Xylazine is an increasingly common adulterant in the North American unregulated drug supply that is associated with adverse health outcomes (e.g., skin infections, overdose).

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Background: Xylazine is an increasingly common adulterant in the North American unregulated drug supply that is associated with adverse health outcomes (e.g., skin infections, overdose).

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Males of some species, from horses to humans, require medical help for subfertility problems. There is an urgent need for novel molecular assays that reflect spermatozoal function. In the last 25 years, studies examined RNAs in spermatozoa as a window into gene expression during their development and, more recently, for their functions in early embryo development.

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People with HIV (PWH) frequently suffer from Opioid (OP) Use Disorder (OUD). In an investigation of the impact of OUD on underlying immune dysfunction in PWH, we previously reported that OP use exacerbates inflammation in virally controlled PWH followed in the Infectious Diseases Elimination Act (IDEA) Syringe Services Program (SSP). Unexpectedly, Flu vaccination-induced antibody responses in groups with OUD were superior to PWH without OUD.

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Article Synopsis
  • The study focuses on a Comprehensive-TeleHarm Reduction (C-THR) intervention aimed at improving HIV prevention services for people who inject drugs (PWID) through syringe services programs (SSP) in Miami, Florida.
  • The CHARIOT trial will involve 350 PWID participants who will be randomly assigned to receive either C-THR or standard clinic referrals, with the goal of increasing engagement in HIV prevention methods like PrEP and medications for opioid use disorder.
  • The outcomes will be assessed over 12 months, focusing on factors such as engagement, effectiveness, cost-effectiveness, and barriers to implementing the C-THR intervention.
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Background: Tele-harm reduction (THR) is a telehealth-enhanced, peer-led, harm reduction intervention delivered within a trusted syringe services program (SSP) venue. The primary goal of THR is to facilitate linkage to care and rapid, enduring virologic suppression among people who inject drugs (PWID) with HIV. An SSP in Miami, Florida, developed THR to circumvent pervasive stigma within the traditional healthcare system.

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Introduction: People with HIV (PWH) are known to have underlying inflammation and immune activation despite virologic control. Substance use including opioid dependence is common in this population and is associated with increased morbidity and reduced lifespan. The primary objective of the present study termed opioid immunity study (OPIS), was to investigate the impact of chronic opioids in PWH.

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Objectives: Based on increasing drug overdose deaths and a shortage of healthcare professionals trained in the management of opioid use disorder (OUD), it is imperative to improve health professional education in addiction medicine. This small group learning exercise and patient panel was designed to provide first year medical students with insights into the lives of people with OUD-through a lens of harm reduction-and to connect biomedical knowledge to the core values and professional themes of their doctoring courses.

Methods: Facilitators were assigned to each small group of 8 students for the harm reduction-centered Long and Winding Road small group case exercise.

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Background: The resurgence of HIV outbreaks and rising prevalence among people who inject drugs (PWID) remain exigent obstacles to Ending the HIV Epidemic in the USA. Adapting a low threshold, comprehensive treatment model for PWID with HIV can leverage syringe services programs (SSPs) to increase availability and accessibility of antiretrovirals (ART), medications for opioid use disorder (MOUD), and hepatitis C cure. We developed Tele-Harm Reduction, a telehealth-enhanced, harm reduction intervention delivered within an SSP venue.

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Background: Hospitalizations for severe injection drug use-related infections (SIRIs) are characterized by high costs, frequent patient-directed discharge, and high readmission rates. Beyond the health system impacts, these admissions can be traumatizing to people who inject drugs (PWID), who often receive inadequate treatment for their substance use disorders (SUD). The Jackson SIRI team was developed as an integrated infectious disease/SUD treatment intervention for patients hospitalized at a public safety-net hospital in Miami, Florida in 2020.

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Introduction: A recent surge in HIV outbreaks, driven by the opioid and stimulant use crises, has destabilized our progress toward targets set forth by Ending the HIV Epidemic: A Plan for America for the high-priority community of people who inject drugs (PWID), particularly Black PWID.

Methods: In order to ascertain the acceptability and feasibility of using a mobile syringe services program (SSP) for comprehensive HIV prevention via PrEP and medications for opioid use disorder (MOUD), our mixed methods approach included a quantitative assessment and semi-structured qualitative interviews with Black PWID (n = 30) in Miami-Dade County who were actively engaged in mobile syringe services.

Results: Participants felt that delivery of MOUD and PrEP at a mobile SSP would be both feasible and acceptable, helping to address transportation, cost, and stigma barriers common within traditional healthcare settings.

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Introduction: The overdose crisis remains a critical public health problem, creating an urgent need to train physicians in the treatment and management of opioid use disorder (OUD). Our medicine clerkship module aimed to close this gap by training and assessing students' motivational interviewing skills, harm reduction knowledge, and use of nonstigmatizing language in the treatment of patients with OUD.

Methods: We evaluated the impact of a small-group, case-based activity and patient panel on the clinical documentation skills of students in a medicine clerkship.

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Introduction: During the first year of the COVID-19 pandemic, over 93,000 Americans lost their lives to a preventable overdose. Medications for opioid use disorder (OUD) have been shown to decrease mortality in OUD but are underutilized. Through this case-based learning exercise, first-year medical students applied physiologic and pharmacologic principles to the diagnosis and treatment of OUD.

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Background: People who inject drugs (PWID) have been a marginalized and a stigmatized population since the beginning of the AIDS epidemic and have not experienced the same life-changing benefits of antiretroviral therapy as others. Tele-Harm Reduction (THR) is a telehealth-enhanced, harm reduction intervention, delivered within a trusted SSP venue. It aims to facilitate initiation of care and achieve rapid HIV viral suppression among PWID living with HIV.

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Introduction: Hospitalizations for severe injection-related infections (SIRI), such as endocarditis, osteomyelitis, and skin and soft tissue infections (SSTI) are increasingly common. People who inject drugs (PWID) experiencing SIRIs often receive inadequate substance use disorder (SUD) treatment and lack of access to harm reduction services. This translates into lengthy hospitalizations with high rates of patient-directed discharge, readmissions, and post-hospitalization mortality.

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Introduction: Syringe services programs (SSPs) are evidence-based HIV prevention programs for people who inject drugs. However, not all SSPs operate evidence-based syringe distribution models, such as needs-based distribution. This study aims to provide preliminary evidence from the IDEA SSP on changes in injection risk behaviors over time, and to examine factors, including syringe coverage, associated with injection risk behavior trajectories over time under a one-for-one syringe distribution model.

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Objectives: The COVID-19 pandemic led to the closure of the IDEA syringe services program medical student-run free clinic in Miami, Florida. In an effort to continue to serve the community of people who inject drugs and practice compassionate and non-judgmental care, the students transitioned the clinic to a model of TeleMOUD (medications for opioid use disorder). We describe development and implementation of a medical student-run telemedicine clinic through an academic medical center-operated syringe services program.

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Background: Hepatitis C (HCV) is the most common infectious disease among people who inject drugs (PWID). Engaging PWID in harm reduction services, such as syringe service programs (SSPs), is critical to reduce HCV and HIV transmission. Additionally, testing for HIV and HCV among PWID is important to improve diagnosis and linkage to care.

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Background: Blood-borne viral infections, such as HIV and hepatitis C (HCV), are common infections among people who inject drugs (PWID). This study aims to determine the prevalence of HIV and HCV infection among PWID accessing the first legal syringe services program (SSP) in the state of Florida, along with examining baseline correlates of HIV and HCV infection.

Methods: Baseline behavioral enrollment assessments of 837 participants accessing an SSP for the first time were analyzed.

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