Funded Projects

Chronic opioid use has well known effects on sleep quality, including disordered breathing during sleep and other abnormalities related to circadian rhythms. However, little is known about the relationship between sleep-related symptoms and non-medical opioid use among individuals being treated for opioid use disorder. This longitudinal study aims to identify biological pathways that may account for these associations. The research will first determine associations of sleep and proxy measures of circadian rhythms with non-medical opioid use. Second, they will investigate emotional processes associated with sleep/circadian symptoms and opioid treatment outcomes.

Activation of immune cells (microglia) in the central nervous system and neuroinflammation have emerged as key drivers of neuropathic pain. These processes can be triggered by release of ATP, the compound that provides energy to many biochemical reactions. The source and mechanism of ATP release are poorly understood but could be targets of novel treatment approaches for neuropathic pain. This project will use genetic, pharmacological, and electrophysiological approaches to determine whether a large pore channel called Swell 1 that spans the cell membrane is the source of ATP release and resulting neuropathic pain and thus could be a treatment target.

For individuals with moderate to severe opioid use disorder (OUD), medication-assisted treatments (MATs) such as oral methadone and extended-release naltrexone (XR-NTX) are the gold standard in initiating and maintaining long-term recovery. Still, many patients struggle with persistent sleep disturbance and stress reactivity in the early stages of recovery, which drive relapse behaviors. This proposal constitutes a novel mechanistic approach to understanding the role of the orexin system in sleep disturbance and circadian rhythms of stress in OUD patients who are maintained on MATs and are early in recovery. This study will determine whether the FDA-approved sleep medication suvorexant (SUVO) improves sleep continuity and decreases diurnal measures of stress, and whether improvement of sleep/stress processes translates to improved OUD treatment outcomes. Its findings will fill critical gaps in our understanding of the role of the orexin system in sleep disturbance and circadian rhythms of stress that impact OUD recovery.

The opioid overdose epidemic is increasingly affecting urban, poor and predominantly minority populations in the U.S., including Washington, D.C., as indicated by rapidly increasing overdoses clustered in medically underserved, economically disadvantaged, largely African American areas of the District and many of the nation’s other largest cities. This study seeks to (1) develop, implement and conduct a preliminary evaluation of an integrated, community-based collaborative care model, employing peer recovery coaches and telepsychiatry services, to improve utilization and effectiveness of MOUD in Federally Qualified Health Centers (FQHCs) and (2) use a community-based participatory research approach to develop, implement and conduct a preliminary evaluation of outreach, engagement and recovery support interventions in nontraditional community settings (e.g., grassroots community groups, churches or religious organizations, soup kitchens, black barber shops or nail or hair salons).

Knee osteoarthritis is one of the leading causes of disability worldwide, particularly among older adults. Despite multiple guidelines for care, most patients do not receive adequate treatment, and about 30% are prescribed long-term opioids. This award will be used to recruit and support an early career faculty member from a group underrepresented in biomedicine. This research, part of the Pain Management Effectiveness Research Network will evaluate conservative and more aggressive treatments for knee osteoarthritis and determine which individual-level factors contribute to treatment outcomes.

The Family School Partnership (FSP) and classroom-centered (CC) interventions targeted aggressive-coercive behavior and poor academic achievement as antecedents of the distal outcomes of antisocial behavior, substance abuse/dependence, psychiatric symptoms/disorders, high-risk sexual behavior and successful adaptation to the relevant developmental demands of the educational, work, romantic relationships and family (both family of procreation and origin/orientation) social fields/contexts. The participants of the FSP and CC original prevention trial were a population (n = 798) of urban, predominately African-American young adults, who began first grade in the fall of 1993 in nine elementary schools in predominantly low- to lower-middle-income Baltimore areas. The central purpose of the proposed study is to extend through ages 31-35 an examination of normal and pathogenic development and the impact of these two universal first-grade preventive interventions on the distal targets mentioned above. We will continue to study the role of phenotypic and genetic factors (and their interactions) as well as the impact of the interventions on the development and course of substance use/abuse/dependence, psychiatric symptoms/disorders, antisocial behavior/disorder and high-risk sexual behavior through young adulthood. The knowledge accrued over the course of the proposed assessments should serve to inform the nature, targets and timing of our future preventive intervention efforts.

The opioid overdose epidemic is increasingly affecting urban, poor and predominantly minority populations in the U.S., including Washington, D.C., as indicated by rapidly increasing overdoses clustered in medically underserved, economically disadvantaged, largely African American areas of the District and many of the nation’s other largest cities. This study seeks to (1) develop, implement and conduct a preliminary evaluation of an integrated, community-based collaborative care model, employing peer recovery coaches and telepsychiatry services, to improve utilization and effectiveness of MOUD in Federally Qualified Health Centers (FQHCs) and (2) use a community-based participatory research approach to develop, implement and conduct a preliminary evaluation of outreach, engagement and recovery support interventions in nontraditional community settings (e.g., grassroots community groups, churches or religious organizations, soup kitchens, black barber shops or nail or hair salons).

Although methadone is an effective treatment for opioid use disorder, many individuals drop out of treatment, putting them at risk of relapse and overdose. One of the factors associated with poor retention in methadone treatment is concurrent cocaine use. There is currently no effective medical treatment for cocaine use disorder. However, contingency management, in which individuals receive tangible rewards for desired behaviors such as abstinence, has been shown to be effective for cocaine use. This project will test the value of a digital therapy app, DynamiCare Health Contingency Management, in methadone treatment programs to promote treatment for polysubstance use.

The HEAL-funded Sequenced-strategy for Improving Outcomes in People with Knee Osteoarthritis Pain (SKOAP) clinical trial evaluates behavioral, pharmacologic, and procedural interventions for patients with knee osteoarthritis pain. It is designed to mimic clinical care for these patients by first testing the effectiveness of conservative and nonsurgical interventions before considering surgical interventions. It is a large-scale clinical trial with a novel design that evaluates multidisciplinary treatments. Therefore, it offers a unique training opportunity for junior investigators from various disciplines who are interested in pain research and management. This mentoring award will allow a selected investigator to train junior investigators by providing protected, mentorship-focused time.

The goal of this proposal is to conduct a randomized controlled trial to evaluate the comparative effectiveness of conservative behavioral and nonopioid pharmacological treatments (Phase I) and, among nonresponders, the benefits of nonsurgical procedural interventions (Phase II). Aim 1 will evaluate the effectiveness of individual and combined online cognitive behavioral therapy (painTRAINER) and pharmacologic treatment (duloxetine) in improving pain and function for knee osteoarthritis (KOA) patients compared with standard of care. Aim 2 will determine if genicular nerve radiofrequency ablation or intra-articular injection of hyaluronic acid and steroid is more effective in improving outcomes than local anesthetic nerve block or standard of care and help establish the role of these interventional treatments in the overall management of pain in KOA patients. Aim 3 will test whether clinical and psychosocial phenotypes predict short- and long-term treatment response.

Chronic pain is a major health burden associated with immense economic and social costs. Predictive biomarkers that can identify individuals at risk of developing severe and persistent pain, which is associated with worse disability and greater reliance on opioids, would promote aggressive, early intervention that could halt the transition to chronic pain. The applicant’s team uncovered evidence of a unique cortical biomarker signature that predicts pain susceptibility (severity and duration). This biomarker signature could be capable of predicting the severity of pain experienced by an individual minutes to months in the future, as well as the duration of pain (time to recovery). Analytical validation of this biomarker will be conducted in healthy participants using a standardized model of the transition to sustained myofascial temporomandibular pain. Specifically the biomarker signature will be tested for its ability to predict an individual’s pain sensitivity, pain severity, and pain duration and will perform initial clinical validation.

Understanding the mechanisms underlying the transition to chronic pain is key to mitigating the dual epidemics of chronic pain and opioid use in the United States. As part of the National Institutes of Health-funded Acute to Chronic Pain Signatures Program, the Data Integration and Resource Center aims to This project will support a post-doctoral trainee to develop the skills and knowledge needed to pursue a successful career in clinical pain research. The research will involve integrating imaging, physiology, -omics, behavioral, and clinical data to develop biosignatures for the transition from acute to chronic pain, toward understanding how the nervous and immune systems affect post-surgical pain and opioid use.

Significant racial, ethnic, socioeconomic, and geographic disparities affect access to opioid use disorder (OUD) treatment and have thus contributed to the opioid overdose crisis. Patient navigator interventions after hospitalization can improve access to treatment, but challenges prevent full adoption of these strategies. These include lack of coordination across institutions, inadequate data sharing, workforce shortages, and lack of awareness, especially in resource-limited communities. This project aims to develop a hospital system-wide patient navigation protocol that can be scaled up to address OUD treatment linkage and continuity after hospitalization.