Funded Projects

For many reasons, the emergency department (ED) is a critical venue to initiate opioid use disorder (OUD) interventions. ED patients have a disproportionately high prevalence of substance use disorders and are at an elevated risk of overdose, and many do not access health care elsewhere. Despite this, OUD interventions are rarely initiated in EDs. The Emergency Department Connection to Care with Buprenorphine for Opioid Use Disorder study (CTN-0079) will assess the feasibility, acceptability and impact of introducing clinical protocols for screening for OUD, buprenorphine treatment initiation, and referral for ongoing treatment in ED settings with high need, limited resources and different staffing structures. This extension study will use the existing infrastructure to evaluate the adoption and sustainability of the clinical protocols introduced at each of the study sites and to identify factors influencing their diffusion and effectiveness.

Research is needed to better understand how to make life-saving harm reduction services more accessible to populations that are hard to reach. This project will identify the physical and psychological factors that make harm reduction services most effective. The findings will then be used to inform the development, implementation, and testing of an innovative strategy consisting of several internet- and smartphone-based tools designed to improve access to harm reduction services for people who are hard to reach. 

Although there are effective prevention and treatment programs and services to address opioid misuse, opioid use disorder (OUD), and overdose, gaps remain between those needing and those receiving prevention and treatment, in part because of a need to better understand how to make these programs and services most effective at a local level. The National Institutes of Health (NIH) and the Substance Abuse and Mental Health Services Administration (SAMHSA) launched the HEALing Communities Study to generate evidence about how tools for preventing and treating opioid misuse and OUD are most effective at the local level. This multisite implementation research study will test the impact of an integrated set of evidence-based practices across health care, behavioral health, justice, and other community-based settings. The goal of the study is to reduce opioid-related overdose deaths by 40 percent over three years. As the Data Coordinating Center, RTI will provide coordination and facilitate communications to unite the HEALing Communities Study research centers into a cohesive research cooperative.

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. This study will take place at the University of Minnesota and will provide access to a largely rural population.

Community pharmacies are optimal—yet underutilized—settings for identifying individuals with opioid use disorder (OUD) and increasing their access to treatment. Approximately 93 percent of individuals in the U.S. live within 5 miles of a community pharmacy. The most common opioid-related tool available to pharmacists is the prescription drug monitoring program (PDMP), which provides highly limited information and support for clinical decision making. Appriss Health, the largest U.S. PDMP vendor, covering 42 states, has developed an opioid risk measure, the NarxScore. This study will clinically validate the NarxScore metric and identify high, moderate and low opioid risk thresholds to inform OUD care management within urban and rural community pharmacies. This is a prospective cross-sectional comprehensive OUD risk and behavioral/physical health survey administered electronically with patients (n = 1,523) filling opioid medications in urban/rural community pharmacies in Ohio (pharmacy sites: n = 12) and Indiana (pharmacy sites: n = 3), states that continue to have disproportionately high rates of overdose and opioid prescribing. Correlation, regression and kappa statistics will be calculated for validation; receiver operating curves with sensitivity/specificity values will be employed for threshold identification (with >95 percent power to detect an area of 0.7 under the curve value).

Community pharmacies are optimal—yet underutilized—settings for identifying individuals with opioid use disorder (OUD) and increasing their access to treatment. Approximately 93 percent of individuals in the U.S. live within 5 miles of a community pharmacy. The most common opioid-related tool available to pharmacists is the prescription drug monitoring program (PDMP), which provides highly limited information and support for clinical decision making. Appriss Health, the largest U.S. PDMP vendor, covering 42 states, has developed an opioid risk measure, the NarxScore. This study will clinically validate the NarxScore metric and identify high, moderate and low opioid risk thresholds to inform OUD care management within urban and rural community pharmacies. This is a prospective cross-sectional comprehensive OUD risk and behavioral/physical health survey administered electronically with patients (n = 1,523) filling opioid medications in urban/rural community pharmacies in Ohio (pharmacy sites: n = 12) and Indiana (pharmacy sites: n = 3), states that continue to have disproportionately high rates of overdose and opioid prescribing. Correlation, regression and kappa statistics will be calculated for validation; receiver operating curves with sensitivity/specificity values will be employed for threshold identification (with >95 percent power to detect an area of 0.7 under the curve value).

MCAM is a novel opioid antagonist that can be used for opioid overdose reversal and has advantages over naloxone, including a pseudo-irreversible interaction with the ?-opioid receptor and a longer duration of action. Studies in animal models demonstrate MCAM’s long duration of action against the reinforcing and respiratory-depressant effects of remifentanil and heroin, indicating that could be a better treatment option for opioid use disorder. This project studies the pharmacodynamics of MCAM through animal toxicity and safety studies to establish the necessary and sufficient conditions from which to establish MCAM’s safety and antagonist activity in animals and humans. MCAM may be able to prevent all actions of any ?-receptor opioid drug in humans for a longer period of time than any other antagonist given acutely.

The growing opioid use epidemic in the U.S. has been associated with a significant increase in the prevalence of pregnant opioid-dependent women and neonatal abstinence syndrome, which is associated with adverse health effects for the infant and with costly hospitalizations. Maintenance with sublingual (SL) buprenorphine (BUP) is efficacious for opioid use disorder but has disadvantages that may be heightened in pregnant women, including the potential for poor adherence, treatment dropout, and negative maternal/fetal effects associated with daily BUP peak-trough cycles. Extended release (XR) formulations may address some of these disadvantages. The primary objective of CTN-0080 is to evaluate the impact of treating opioid use disorder in pregnant women (n = 300) with BUP-XR, compared to BUP-SL, on maternal-infant outcomes. Other objectives include testing a conceptual model of the mechanisms by which BUP-XR may improve maternal-infant outcomes, relative to BUP-SL; determining the economic value of BUP-XR, compared with BUP-SL, to treat OUD in pregnant women; and evaluating the impact of BUP-XR, relative to BUP-SL, on neurodevelopment when the infant/child is approximately 12 and 24 months of age. Ultimately, this study will help in increasing access to treatment as well as provide quality care for pregnant/postpartum women.

Levo-alpha-acetylmethadol (LAAM) offers numerous behavioral and clinical advantages for select opioid use disorder (OUD) patients who do not respond to standard treatment. While LAAM was withdrawn from the market despite being approved for OUD treatment, this project seeks to develop novel, patentable, convenient dosage forms of LAAM, including novel LAAM oral dosage formulations and novel buccal film formulations of LAAM. Morphology, mechanical property, drug release kinetics, and stability of the oral dosage and buccal film formulations will be characterized to determine the instant release or steady release of LAAM, respectively. The two lead LAAM formulations with adequate release and stability profiles will be chosen through optimization studies both in vitro and in vivo. A human pharmacokinetic/pharmacodynamic study will then be carried out on the two selected formulations.

Opioids like morphine and hydrocodone are generally the most effective therapeutics for treatment of moderate to severe pain. However, their use is limited by serious side effects: tolerance, constipation, respiratory depression, physical dependence, and high addictive potential. Alternative pain relievers with the analgesic potency of conventional opioids, but devoid of narcotic side effects, are an immediate need. The goal of this project is to develop and commercialize an alternative to conventional opioid analgesics with reduced side effects and without the addictive properties common to mu-opioid agonists, targeting a new molecule in the central nervous system. This project will perform the necessary preliminary studies to prepare this new molecule for an investigational new drug application with the FDA.

Social big data analysis of publicly available user data on social media platforms is a promising approach for attaining organic observations of behavior that can monitor and predict real-world public health problems, such as HIV incidence. In preliminary research, our team identified and collected tweets suggesting HIV risk behaviors (e.g., drug use, high-risk sexual behaviors), modeled them alongside CDC statistics on HIV diagnoses, and found a significant positive relationship between HIV-related tweets and county-level HIV cases. We propose to create a single automated platform that collects social media data, identifies and labels tweets that suggest HIV-related behaviors, and predicts regional HIV incidence. We will interview staff and participants at local and regional HIV organizations to understand ethical issues associated with mining people’s data. The software developed from this application will be shared with HIV researchers and health care workers to combat the spread of HIV.

The opioid crisis has been particularly devastating to adolescents and young adults between 16 and 25 years old. Recovery support services in community settings can help these individuals who take medications for opioid use disorder find a path to recovery. This project will develop a network of advanced researchers, recovery support specialists, adolescents and young adults in recovery, and other key community stakeholders to help rapidly advance the science of recovery support services. This research will focus in particular on continuing care services specialized for adolescents and young adults who currently take or who have taken medications for opioid use disorder.