Funded Projects

There is a need for pharmacologic treatment options for opioid use disorder (OUD) that do not pose addiction liability and do not require complete withdrawal from opioids prior to treatment. Nonclinical studies support a role for the orexin system in drug seeking; compounds that selectively block signaling at the orexin-1 receptor (OX1R) reduce drug use. C4X3256, a non-opioid, highly selective OX1R antagonist, has a long residence time at the OX1R along with reduced intravenous self-administration and cue-induced reinstatement in animal models of nicotine addiction, suggesting it could be an addiction treatment. Proposed studies will move C4X3256 from preclinical development through Phase I testing in subjects with OUD. The clinical, preclinical, and supporting pharmaceutical development studies proposed will allow C4X3256 to move to Phase II studies.

First responders prevent many overdose deaths by providing life-saving resuscitation and giving naloxone to reverse an opioid overdose. This project will use a modeling approach to assess the impact of Good Samaritan Laws that protect people from certain criminal penalties if they call 911 to save an overdose victim by giving naloxone on overdose mortality. This research will develop and test a novel, scalable, telehealth platform that can be used at the time of an opioid overdose to link patients with access to medication for opioid use disorder, harm reduction services, and recovery support. The research will be informed by patient-outcome data.

The current overdose epidemic is being fueled by widespread, non-medical use of opioids prescribed by mostly well-meaning physicians who often lack adequate training on how to properly initiate, monitor, and discontinue opioid therapy. It is very difficult for physicians to fully assess a new patient?s risk of substance misuse and possible future overdose in the limited amount of time of a typical evaluation. The Care Continuity Program (CCP) is a novel, online patient self-assessment used by prescribers of opioids to better identify patient risk factors and therapy benefit. The CCP tool is completed by the patient, outside of the office, using an internet enabled device and follows a compliance-driven protocol. The results are instantly transmitted to the prescriber?s electronic health records (EHR), mitigating the prescriber?s civil and criminal liabilities. The study aims to validate the protocol and delivery system of the CCP by measuring patient outcomes, prescriber confidence, and completeness of documentation in the patient chart in primary care and pain management settings. If successful, this project can significantly expand the benefits of CCP to even a broader network of providers and help mitigate the impact of the opioid crisis

Opioids can be effective analgesics but can also be fatal due to opioid-induced respiratory depression after overdose. This project will use cutting-edge molecular, physiological, behavioral, and imaging techniques to better understand and distinguish opioid-induced respiratory depression and opioid-mediated analgesia. Nerve cell-specific, single-cell transcriptomic analysis will be used to identify functional markers expressed in nerve cells that play a specific role in opioid-induced respiratory depression, but not opioid analgesia. This research study will help to identify novel therapeutic targets that could selectively rescue opioid-induced respiratory depression while maintaining the beneficial pain-relieving effects of opioids. 

Neonatal Opioid Withdrawal Syndrome (NOWS) is a condition that occurs when newborns are exposed to opioids during pregnancy. Symptoms often include tremors, excessive crying, sleep deprivation, and swallowing difficulties. Cases are rising, with a newborn affected by NOWS approximately every 15 minutes. Currently, healthcare providers in the United States lack standard, evidence-based treatments for NOWS. 

This project is part of a multi-center, randomized controlled clinical trial that directly compares NOWS treatments—morphine, methadone, and buprenorphine—and takes into account other types of non-drug therapies, such as behavioral interventions. The goal is to generate results that can inform clinical practice guidelines and give newborns with NOWS the best start possible. 

Arkansas is a rural state with the second highest opioid prescription rate in the nation and is in the top 3 states nationwide for opioid prescriptions to pregnant mothers. This site has extensive experience in opioid research and conducting multi-center clinical trials. It also provides care to a diverse population.

Risk for opioid use disorder (OUD) often begins in adolescence and young adulthood. Engaging and retaining adolescents and young adults (collectively, “youth”) in early, effective treatment is critical for improving the life course trajectory of addiction. For adults with OUD, office-based opioid treatment (OBOT) with a collaborative care approach that includes behavioral therapy optimizes patient engagement and retention in care. Collaborative care OBOT is especially promising for youth, who can receive treatment from a trusted primary care provider in the same familiar setting they receive their usual medical care. To date, however, OBOT has not been formally adapted for treating youth. The central objective of this project is to develop and pilot an enhanced OBOT model for youth that is developmentally appropriate and family centered. The multidisciplinary nature of our team, which includes expertise in advanced biostatistical analysis, qualitative research, intervention development, developmental psychology, and implementation and improvement science, will maximize the chances of filling an important gap in the provision of youth specific evidence-based OUD interventions.

The HEALthy Brain and Child Development National Consortium (HBCD-NC) will establish a normative model of developmental trajectories over the first 10 years of life. All sites in the HBCD-NC will carry out a common research protocol and will assemble and distribute a comprehensive research dataset to the scientific community. The HBCD-NC will collect neural, behavioral, physiological, and psychological measures, as well as biospecimens, to characterize neurodevelopmental trajectories. Most participants will be recruited in the second trimester of pregnancy, with a smaller subset recruited at birth, and followed for the first 10 years of life. The University of Florida study site will recruit a diverse group of mother-infant pairs from urban and rural communities in North Central Florida.

Exposure to opioid analgesics during medical care is a key driver of the opioid epidemic. Such exposures are widespread. Yet opioids remain essential first-line agents in treating pain, and it remains vital that pain be appropriately managed. Non-opioid pain treatments help to resolve the opioid/pain conflict. This project will examine the opioid-sparing and pain-relieving potential of a novel, non-pharmacological treatment for pain, using the effects of green light exposure to reduce pain and thereby reduce the quantity of opioids needed for pain relief.

The increased risk of maternal, obstetric, and newborn morbidity and mortality associated with perinatal prescription opioid (PO) misuse and opioid use disorder (OUD) is well established. Despite clear advances in maternal, fetal, and newborn health with treatment of perinatal opioid misuse and OUD, much work remains. Preliminary data has demonstrated significant reductions in opioid misuse as a result of our Cognitive Behavioral Therapy (CBT) program for pain combined with shared decision making for medication management for pregnant women misusing POs or with OUD (including heroin). However, access to the program is still limited and several obstacles to its expansion remain. This proposal will fill this critical gap by converting their CBT intervention from in-person sessions to a web-based interface. The proposed research will result in a critical advance in the management of opioid use and abuse during pregnancy and prevent both the acute and long-term risks associated with pre- and perinatal PO misuse and OUD, including overdose and death.

Opioid use disorder, a chronic and relapsing disease, is a significant and escalating public health concern. But, despite the availability of approved pharmacotherapies and promising therapeutic interventions, the high rates of relapse indicate a critical need for a better understanding of the factors that contribute to relapse to opioids, and for the development of new treatment approaches. Sleep problems are a common symptom in most substance use disorder syndromes, including opioid use disorder (OUD), but they are severely undertreated, partly because the standard hypnotic medications used to treat sleep disorders are themselves addictive. This study will investigate whether activating the glucagon-like peptide-1 receptor pathway can help reduce craving while improving sleep in OUD patients. The FDA-approved medication liraglutide, a GLP-1R agonist, is currently approved to treat Type II diabetes mellitus and obesity in humans. This proposal for a supplemental study will add polysomnography, the gold-standard for evaluating sleep architecture, to an ongoing study. If successful, this study will provide a strong rationale for conducting a full multi-site, Phase III clinical trial.

There is an urgent need for improved medications to treat OUD. This project will test cebranopadol, a novel synthetic medication that interacts in a new way with the human opioid system as a safe and potentially effective alternative treatment for OUD. The research will test the safety and efficacy of cebranopadol in preclinical and clinical studies, toward guiding future research to support potential approval of this medication by the U.S. Food and Drug Administration.

Expanding access to naloxone in the community through the pharmacy can be a critical mechanism for extending this lifesaving medication’s reach. This study will partner with two large retail pharmacy chains and integrate two interventions that provide knowledge and training for pharmacists to identify and effectively engage with patients who may be at high risk for an opioid overdose. The interventions will be combined into a cohesive educational program, implemented in 160 community pharmacies and tested for effectiveness. Study findings will create a generalizable, evidence-based training and toolkit for pharmacists caring for patients who use prescribed or illicit opioids, in more than 40 states adopting or expanding pharmacy naloxone.

The Coordinating Center (CC) will provide centralized logistical support and facilitate communication and coordination of activities across the cooperative. The CC will provide scientific leadership, which will include providing scientific expertise in the areas of implementation research and economic evaluation. The CC will establish an infrastructure for cross-site data collection, management, harmonization, and data sharing and provide expert methodological and statistical consultation.