Funded Projects

Opioid use during pregnancy is associated with significant harmful health outcomes for infants including preterm birth, neonatal opioid withdrawal syndrome, and impaired brain-related problems. This project will combine advanced imaging of the fetal brain and placenta, genetics, and tissue and blood samples from the placenta to determine how opioid use during pregnancy affects development of the fetal brain and placenta. This research will provide novel and early molecular indicators (biomarkers) to as well as identify new strategies for diagnosing, treating, and preventing opioid harm to the fetus and mother.

Sickle cell disease is an inherited blood disorder affecting about 100,000 Americans and over 20 million people worldwide. It is caused by a mutation in the gene for beta-globin that results in the characteristic sickled shape of red blood cells, life-long severe pain, and shortened lifespan. Painful episodes that require hospitalization and, in many cases, opioid treatment, are a hallmark of sickle cell disease. The source of these painful episodes remains unclear, and it is also unknown why pain severity varies so much among affected individuals. This project will identify novel, non-opioid targets to reduce sickle cell-related pain and search for biomarkers to help clinicians predict which individuals are at risk for increased pain, thereby improving health outcomes for people with sickle cell disease.

Abuse of opioids constitutes a national public health crisis. Data from the Lummi Nation show that for the 18 Tribal member deaths occurring in the first seven months of 2016, five were opioid related, with the average age of the deceased being 29 years. The proposed Native Transformations Opioid Project (NTOP) seeks to develop research capacity at Northwest Indian College and its surrounding tribal communities to develop effective and culturally congruent strategies to reduce the burden of death from opioid and other drug-related overdoses in tribal communities in the Pacific Northwest. The primary aim of the proposed project is to identify the strengths and behavioral strategies in successful recovery from OUD in three Coast Salish communities. The ultimate goal of the proposed research is to identify Coast Salish recovery factors from OUD to develop a data-driven, culturally congruent intervention to reduce OUD and OUD overdose deaths.

An increasing number of Americans use multiple drugs at the same time, and overdose deaths from stimulants have increased. However, there are no available treatments for stimulant use disorder. This project aims to develop new treatment (SBS-518) for cocaine use disorder. Previous research using animal models showed that SBS-518 decreases stimulant self-administration without being rewarding itself. The research will continue the development of SBS-518 toward testing in human research participants.

People with opioid use disorders (OUD) have high rates of co-occurring alcohol, stimulant and other drug disorders, as well as mental disorders. Traditionally, treatment for OUD has been ?siloed? even though these high rates of co-occurring conditions emphasize the need for comprehensive treatment to address holistic needs. As the opioid crisis continues, attention to the whole person and access to comprehensive mental health and substance use treatment as well as primary care is needed. This study aims to better understand co-occurring mental health disorders, alcohol use disorders, and/or other substance use disorders among people with OUD, in the context of innovative integrated care networks for people with OUD. This study examines how innovative OUD treatment models work for individuals with co-occurring mental health and substance use by 1) assessing mental health treatment quality measures and outcomes; 2) testing how these innovative treatment models compare to other OUD treatment for people who have OUD and other substance use disorders; and 3) considering the ways people with OUD access co-occurring disorder care. The findings from this study will provide needed information to improve mental health, alcohol, and other substance use treatment for individuals with OUD, whether or not they are in OUD treatment and may provide information to help move the system from siloed efforts to truly integrated care

For many individuals in recovery from a substance use disorder, certain cues—including stress and drug-related cues—can trigger a physiological state in which they are more likely to relapse. In this SBIR project, the investigators intend to deploy a system—consisting of a wearable sensor, a smartphone app, and a clinical portal—to provide individuals in recovery and their treatment providers with an opportunity to identify moments of high risk for relapse and to access real-time intervention opportunities. The sensors will identify signals of stress or drug use, interface with a smartphone app, and provide options for annotations, stress-reduction techniques, or contact with an individual’s support system and treatment providers, as well as log and encourage healthy behaviors. This study will deploy and optimize the system, as well as test its effects on addiction-related outcomes, such as rate of relapse.

This project will use state-of-the-art technologies to analyze individual cells to characterize how human pain receptors communicate pain between the human dorsal root ganglia and the brain – including how the signals vary across diverse populations. This research will generate useful, high-quality human data about pain for further analysis and re-use by other scientific teams, toward identifying and prioritizing novel therapeutic targets for pain.

Chronic pain is a major healthcare burden. However, the types and underlying mechanisms of pain vary greatly, as do patient responses to currently available pain medications. Inflammation in the nervous system (neuroinflammation) is involved in several types of pain, and targeting key molecules involved in neuroinflammation is therefore a promising treatment approach. The chemokine receptor system, a complex network of more than 20 different receptors and more than 80 molecules that bind to these receptors, has a central role in neuroinflammation. Researchers do not yet fully understand the functioning of this network and how specific receptors vary in different chronic pain conditions. Therefore, this project aims to further characterize the expression of one specific receptor, using samples collected from participants in clinical trials evaluating a compound that interferes with the receptor’s function. This information should allow researchers to classify pain patients and identify those most likely to benefit from a treatment with compounds targeting the receptor.

This project's goal is to develop a completely noninvasive, precise, and durable treatment option for low back pain (LBP). Focused ultrasound (FUS) is a lower-risk, completely noninvasive modality that enables the delivery of spatially confined acoustic energy to a small tissue region (dorsal root ganglion [DRG]) under magnetic resonance (MR) imaging guidance to treat axial low back pain by neuromodulation. The central goal of this study is to demonstrate neuromodulation of the DRG with FUS to decrease nerve conduction; this treatment can be used to attenuate pain sensation. This exploratory study will demonstrate FUS neuromodulation of the DRG in pigs as assessed by somatosensory evoked potential and perform unique behavioral assessments indicative of supraspinal pain sensation, with the ultimate goal of translating this technology to patients with LBP. FUS could potentially replace current invasive or systemically detrimental treatment modalities.

The proposed SBIR Phase II program seeks to select a first-in-class, peripherally-restricted, and long-acting somatostatin receptor 4 (LA-SSTR4) agonist clinical candidate for development as a novel non-addictive analgesic able to replace opioids for the treatment of moderate-to-severe chronic pain. The program is based on strong scientific evidence showing that activation of peripheral SSTR4 produces broad spectrum analgesic activity and pursues a unique therapeutic strategy.   Unlike opioids, SSTR4 agonists do not induce constipation, respiratory depression, dependence, addiction, or abuse. Finally, unlike SSTR2 and SSTR5, SSTR4 expression in the pituitary and pancreas is very low, supporting that selective SSTR4 agonists are unlikely to perturb peripheral endocrine functions. The preceding SBIR Phase I program has already established the feasibility of conjugating a short-acting, potent, and selective peptide SSTR4 agonist to the antibody carrier. The resulting LA-SSTR4 agonist lead series has high agonist potency and selectivity for SSTR4 and has demonstrated antinociceptive activity in an animal pain model. The proposed SBIR Phase II program seeks to: optimize the existing lead series and select a clinical candidate for development,  validate and prioritize the indication(s) for clinical development using disease-relevant mouse pain models, and characterize the pharmacokinetics and safety/toxicology profile of the clinical candidate in rat and non-human primates to help design subsequent investigational new drug (IND)-enabling studies.

Pain is one of the most common and debilitating symptoms of a wide range of injuries and diseases. Safe and effective alternatives for treating pain that reduce dependence on opioids are, therefore, a primary goal of the NIH. This project proposes a non-invasive, non-pharmacological alternative to treat pain by combining an innovative electroencephalography (EEG)-based Neurofeedback (NF) solution in an immersive virtual reality (VR) environment. NF and VR have been shown to independently produce ameliorative effects on pain, and it is hypothesized that an NF training in VR would have synergistic effects, as VR would distract from pain perception to improve patient compliance in more engaging NF protocols that improve their ability to control pain perception. In the scope of this project, we will initially focus our work on chronic low back pain (cLBP), as this is a growing segment of chronic pain sufferers with a 39 percent worldwide lifetime prevalence, and whose sufferers have historically been heavy users of opiates; later stages of this project will expand this application to address other forms of pain.

People with diabetes are at risk for painful diabetic peripheral neuropathy. This pain may be experienced as burning, aching, hypersensitivity to touch, or simply as pain, and there are no currently FDA-approved medications that reduce its symptoms. This phase 2 clinical trial, through the EPPIC-NET program, will test a potential new treatment for painful diabetic peripheral neuropathy. The molecule, NRD135S.E1, is a lab-made version of a natural substance traditionally used to brew tea to treat a variety of indications, including pain, in a village in Siberia. In clinical studies, NRD135S.E1 was well tolerated by patients and showed clinically relevant pain relief. Testing within EPPIC-Net will use a master protocol, an innovative study design in which multiple treatments can be tested at the same time with fewer research participants.