Publications by authors named "Aaron D Fox"

Buprenorphine is an effective medication for both opioid use disorder (OUD) and chronic pain (CP), but transitioning from full opioid agonists to buprenorphine, a partial opioid agonist, can be challenging. Preliminary studies suggest that low-dose buprenorphine initiation can overcome some challenges in starting treatment, but no randomized controlled trials have compared low-dose and standard buprenorphine initiation approaches regarding effectiveness and safety or examined implementation in hospital settings. In a pragmatic open-label hybrid type I effectiveness-implementation trial based in a single urban health system, 270 hospitalized patients with (a) CP and (b) OUD or opioid misuse are being randomized to buprenorphine treatment initiation using 5-day low-dose or standard initiation protocols.

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Background: Syringe services programs (SSPs) are critical healthcare access points for people with opioid use disorder (OUD) who face treatment utilization barriers. Co-locating care for common psychiatric comorbidities, like posttraumatic stress disorder (PTSD), at SSPs may reduce harms and enhance the health of individuals with OUD. To guide the development of onsite psychiatric care at SSPs, we collected quantitative survey data on the prevalence of PTSD, drug use patterns, treatment experiences associated with a probable PTSD diagnosis, and attitudes regarding onsite PTSD care in a convenience sample of registered SSP clients in New York City.

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Background: Criminalization of drugs in the United States (US) has extensive consequences for people who use drugs (PWUD). Incarceration and substance use overlap with 65% of the US prison population meeting substance use disorder (SUD) criteria. Exposure to the criminal-legal system negatively impacts the health of PWUD.

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Background: Despite proven health benefits, harm reduction services provided through in-person syringe services programs (SSPs) and pharmacies are largely unavailable to most people who inject drugs (PWID). Internet-based mail-delivered harm reduction services could overcome barriers to in-person SSPs. This manuscript describes Needle Exchange Technology (NEXT) Harm Reduction, the first formal internet-based mail delivery SSP in the US.

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Background: Injectable opioid agonist treatment with hydromorphone (iOAT-H) is effective for persons who inject drugs (PWID) with opioid use disorder (OUD) but remains unavailable in the United States. Our objective was to determine interest in iOAT-H among syringe services program (SSP) participants.

Methods: We recruited PWID with OUD from SSPs in New York City.

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Background: Buprenorphine is an effective treatment for both opioid use disorder (OUD) and chronic pain, but buprenorphine's pharmacology complicates treatment initiation for some patients. Low-dose buprenorphine initiation is a novel strategy that may reduce precipitated withdrawal. Few studies describe what patient populations benefit most from low-dose initiations and the clinical parameters that impact treatment continuation.

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Background: Many of the largest COVID-19 outbreaks in the United States have occurred at carceral facilities. Criminal legal system (CLS)-involved individuals typically face structural barriers accessing medical care post-release. Improving COVID-19 testing and education for CLS-involved individuals could improve health outcomes for this vulnerable population and the communities to which they return.

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Background: Syringe services programs (SSPs) provide a spectrum of health services to people who use drugs, with many providing referral and linkage to substance use disorder (SUD) treatment, and some offering co-located treatment with medications for opioid use disorder (MOUD). The objective of this study was to review the evidence for SSPs as an entry point for SUD treatment with particular attention to co-located (onsite) MOUD.

Methods: We performed a scoping review of the literature on SUD treatment for SSP participants.

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Objectives: Injectable opioid agonist treatment (iOAT) is a novel approach to treating opioid use disorder (OUD) that is typically reserved for treatment-experienced persons who inject drugs (PWID) with long-standing OUD. This study examined PWID's past OUD treatment histories and their attitudes toward iOAT with hydromorphone.

Methods: This cross-sectional study recruited syringe services program participants with OUD in New York City.

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Background: Hospital-based clinicians infrequently initiate medications for opioid use disorder (MOUD) for hospitalized patients. Our objective was to understand hospital-based clinicians' knowledge, comfort, attitudes, and motivations regarding MOUD initiation to target quality improvement initiatives.

Methods: General medicine attending physicians and physician assistants at an academic medical center completed questionnaires eliciting barriers to MOUD initiation, including knowledge, comfort, attitudes and motivations regarding MOUD.

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Background: People with mental illnesses and people living in poverty have higher rates of incarceration than others, but relatively little is known about the long-term impact that incarceration has on an individual's mental health later in life.

Objective: To evaluate prior incarceration's association with mental health at midlife.

Design: Retrospective cohort study PARTICIPANTS: Participants from the National Longitudinal Survey of Youth 1979 (NLSY79)-a nationally representative age cohort of individuals 15 to 22 years of age in 1979-who remained in follow-up through age 50.

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Injecting alone is a suspected risk factor for opioid overdose death among people who inject drugs (PWID). Better understanding of PWID's injecting practices and preferences could guide pragmatic harm reduction and overdose prevention interventions. We investigated injection practices and preferences among PWID attending syringe services programs (SSPs).

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Background: Syringe services programs (SSPs) hold promise for providing buprenorphine treatment access to people with opioid use disorder (OUD) who are reluctant to seek care elsewhere. In 2017, the New York City Department of Health and Mental Hygiene (DOHMH) provided funding and technical assistance to nine SSPs to develop "low-threshold" buprenorphine services as part of a multipronged initiative to lower opioid-related overdose rates. The aim of this study was to identify barriers to and facilitators of implementing SSP-based buprenorphine services.

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The USA incarcerates more people than any other nation in the world. Exposure to the criminal legal system has been associated with a myriad of health outcomes but less is understood about what drives these associations. We argue that stigma due to criminal legal involvement, what we call criminal legal stigma, likely has a larger role in the association between incarceration and negative health outcomes than has been previously appreciated.

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Background: Despite dramatic increases in opioid use disorder (OUD) and overdose deaths, the U.S. has been unable to consistently deliver OUD treatment to those who need it.

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Objectives: Low-threshold buprenorphine treatment aims to reduce barriers to evidence-based opioid use disorder treatment. We aimed to describe the treatment philosophy, practices, and outcomes of a low-threshold syringe services program (SSP)-based buprenorphine program developed through an SSP-academic medical center partnership.

Methods: We included all SSP participants who received 1 or more buprenorphine prescription from Feb 5, 2019 to October 9, 2020.

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Background: In the United States, accessing sterile injection supplies remains challenging for many people who inject drugs (PWID). Although women are less likely to inject drugs than men, women who do inject are disproportionately affected by IDU-related complications. Needle Exchange Technology (NEXT), the first formal online accessed mail delivery syringe services program (SSP) in the US, may overcome access barriers.

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Objective: To examine syringe services program (SSP) participants' interest in long-acting injectable buprenorphine.

Design: SSP participants completed a 136-item questionnaire by phone. Items assessed quantitative ratings of interest in sublingual and injectable buprenorphine, preference for sublingual versus injectable buprenorphine, and reasons for preferences.

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Background: People may overcome barriers to professional buprenorphine treatment by using non-prescribed buprenorphine (NPB) to manage opioid use disorder (OUD). Little is known about how people perceive NPB differently than formal treatment. This qualitative study investigated how and why people use NPB as an alternative to formal treatment.

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Background: Correctional facilities increasingly offer medications for opioid use disorder (OUD), including buprenorphine. Nevertheless, retention in treatment post-incarceration is suboptimal and overdose mortality remains high. Our objectives were to understand how incarcerated patients viewed buprenorphine treatment and identify modifiable factors that influenced treatment continuation post-release.

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Background: The opioid crisis in the United States has led to increasing hospitalizations for drug use-associated infective endocarditis (DUA-IE). Outpatient parenteral antimicrobial therapy (OPAT), the preferred modality for intravenous antibiotics for infective endocarditis, has demonstrated similar outcomes among patients with DUA-IE versus non-DUA-IE, but current studies suffer selection bias. The utilization of OPAT for DUA-IE more generally is not well studied.

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Syringe services programs (SSPs) complement substance use disorder treatment in providing services that improve the health of people who use drugs (PWUD). Buprenorphine treatment is an effective underutilized opioid use disorder treatment. Regulations allow buprenorphine prescribing from office-based settings, potentially including SSPs although few studies have examined this approach.

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Background: In 2016, at least 20% of people with opioid use disorder (OUD) were involved in the criminal justice system, with the majority of individuals cycling through jails. Opioid overdose is the leading cause of death and a common cause of morbidity after release from incarceration. Medications for OUD (MOUD) are effective at reducing overdoses, but few interventions have successfully engaged and retained individuals after release from incarceration in treatment.

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Opioid use disorder (OUD) is highly prevalent among persons who are incarcerated. Medication treatment for opioid use disorder (MOUD), methadone, buprenorphine, and naltrexone, is widely used to treat OUD in the community. Despite MOUD's well-documented effectiveness in improving health and social outcomes, its use in American jails and prisons is limited.

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