Funded Projects

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Project # Project Title Research Focus Area Research Program Administering IC Institution(s) Investigator(s) Location(s) Year Awarded
3UH3NS116218-02S1
Novel mGlu5 Negative Allosteric Modulators as First-in-Class Non-Addictive Analgesic Therapeutic Preclinical and Translational Research in Pain Management Development and Optimization of Non-Addictive Therapies to Treat Pain NINDS Vanderbilt University ROOK, JERRI MICHELLE Nashville, TN 2022
NOFO Title: Administrative Supplements to Existing NIH Grants and Cooperative Agreements. Parent Grant: HEAL Initiative: Non-addictive Analgesic Therapeutics Development [Small Molecules and Biologics] to Treat Pain (UG3/UH3 Clinical Trial Optional)
NOFO Number: Supplement: PA-20-272; Parent NOFO: NS-21-010
Summary:

Negative allosteric modulators (NAMs) of the metabotropic glutamate (mGlu) receptor, mGlu5, have shown promise for treatment of multiple pain conditions without the serious adverse effects and safety concerns associated with opioids. This project will develop and test a novel series of highly selective mGlu5 NAMs that are structurally unrelated to earlier failed compounds and do not form toxic byproducts as with previous mGlu5 NAMs. A lead candidate is now being characterized in several studies to assess readiness for testing in Phase I clinical studies.
1U19NS126038-01
Site-directed RNA editing of Nav1.7 as a novel analgesic Preclinical and Translational Research in Pain Management Development and Optimization of Non-Addictive Therapies to Treat Pain NINDS MARINE BIOLOGICAL LABORATORY, WOODS HOLE ROSENTHAL, JOSHUA J C (contact); DIB-HAJJ, SULAYMAN D; DUSSOR, GREGORY O; EISENBERG, ELI New Haven, CT 2021
NOFO Title: HEAL Initiative: Team Research for Initial Translational Efforts in Non-addictive Analgesic Therapeutics Development (U19 Clinical Trial Not Allowed)
NOFO Number: RFA-NS-21-015
Summary:

Opioids are widely used pain treatments, despite their relative ineffectiveness for chronic pain and their high potential for misuse and addiction. There is thus an urgent need for alternative, non-addictive pain treatments. Genetic and functional studies of human pain disorders and animal models of pain have validated Nav1.7, a voltage-gated sodium channel as an attractive target for new pain treatments. Currently available blockers of these channels can sometimes provide symptomatic relief for patients but have worrisome side effects affecting the brain and heart. This study aims to develop and validate an innovative site-directed RNA editing strategy that will offer the ability to create new versions of molecules to block Nav1.7, toward establishing a novel, non-addictive approach to treat chronic pain.
1UG3NS114947-01
Novel HCN1-selective small molecule inhibitors for the treatment of neuropathic pain Preclinical and Translational Research in Pain Management Development and Optimization of Non-Addictive Therapies to Treat Pain NINDS WEILL MEDICAL COLL OF CORNELL UNIV GOLDSTEIN, PETER A New York, NY 2019
NOFO Title: Optimization of Non-addictive Therapies [Small Molecules and Biologics] to Treat Pain (UG3/UH3 Clinical Trial Not Allowed)
NOFO Number: RFA-NS-19-010
Summary:

Neuropathic pain is characterized by neuronal hyperexcitability and spontaneous activity, properties associated with activity of hyperpolarization-activated, cyclic nucleotide-regulated (HCN1-4) channels, the source of the pacemaker current, Ih. Inhibition of HCN1-mediated Ih elicits marked antihyperalgesia in multiple animal models of neuropathic pain, including models for direct nerve injury and chemotherapy-induced peripheral neuropathy, and does so with little or no disruption to either normal pain processing or baseline behaviors and activities. The overall objective is to develop a peripherally restricted HCN1 inverse-agonist as a therapeutic for neuropathic pain. Researchers have generated a novel small molecule that combines an antihyperalgesic HCN1 inhibitor with a motif that controls distribution and membrane presentation and is a potential non-opioid antihyperalgesic treatment for peripheral neuropathic pain.
1U44NS115732-01
Selective Kv7.2/3 activators for the treatment of neuropathic pain Preclinical and Translational Research in Pain Management Development and Optimization of Non-Addictive Therapies to Treat Pain NINDS KNOPP BIOSCIENCES, LLC SIGNORE, ARMANDO (contact); RESNICK, LYNN Pittsburgh, PA 2019
NOFO Title: HEAL Initiative: Optimization of Non-addictive Therapies [Small Molecules and Biologics] to Treat Pain
NOFO Number: RFA-NS-19-020
Summary:

The development of non-addictive pain therapeutics can help counter opioid addiction and benefit patients, including those who suffer from neuropathic pain, in particular diabetic neuropathic pain (DNP). This project’s goal is to develop a safe, efficacious, and non-addictive small-molecule drug that activates Kv7 voltage-gated potassium channels to address overactive neuronal activity in DNP. Researchers will discover Kv7 activators that favor Kv7 isoforms altered in DNP and found in dorsal root ganglia, decrease off-target side effects observed with the use of earlier non-biased Kv7 activators, and optimize the absorption, distribution, metabolism, excretion, and toxicity profiles of these activators. This screening paradigm is intended to establish a clinic-ready, well-tolerated, and widely effective product to treat neuropathic pain.
1R61NS131188-01
Development of LPA5 Antagonists as Analgesics Preclinical and Translational Research in Pain Management Development and Optimization of Non-Addictive Therapies to Treat Pain NINDS RESEARCH TRIANGLE INSTITUTE ZHANG, YANAN (contact); LI, JUN-XU; TAO, YUAN-XIANG Research Triangle Park, NC 2023
NOFO Title: HEAL Initiative: Non-addictive Analgesic Therapeutics Development [Small Molecules and Biologics] to Treat Pain (UG3/UH3 Clinical Trial Optional)
NOFO Number: RFA-NS-21-010
Summary:

Neuropathic pain is a debilitating and complex medical condition for which safe and non-addictive treatment options are urgently needed. Preliminary studies have found that lysophosphatidic acid receptor 5 (LPA5) is present in areas of the body that signal pain, including at high levels in rodent models of neuropathic pain. This project will use genetic and pharmacological approaches to determine whether blocking LPA5 signaling reduces neuropathic pain toward future testing in humans.  
1R61NS133217-01
A Novel Assay to Improve Translation in Analgesic Drug Development Preclinical and Translational Research in Pain Management Development and Optimization of Non-Addictive Therapies to Treat Pain NINDS VIRGINIA COMMONWEALTH UNIVERSITY NEGUS, SIDNEY S Richmond, VA 2023
NOFO Title: Development and Validation of Pain-Related Models and Endpoints to Facilitate Non-Addictive Analgesic Discovery
NOFO Number: NOT-NS-22-095
Summary:

Effective development of non-addictive therapies for pain requires animal models that reflect the human condition. Unfortunately, currently used models have limitations and have not always done a good job of predicting what will work in human patients. This project will refine a new way of measuring pain-related behaviors in mice that takes advantage of more natural mouse behavior and is less influenced by experimenter biases and artifacts. The research will verify that the promising results hold up in several different types of pain and that different classes of clinically used pain medications are effective. They will also make sure the data can be reproduced by an outside laboratory. If successful, this will support the use of this new read-out for future pain therapy development.
1R61NS127287-01
Initial Development of AEG-1 Inactivation as a Possible Strategy for Pain Treatment Preclinical and Translational Research in Pain Management Development and Optimization of Non-Addictive Therapies to Treat Pain NINDS Virginia Commonwealth University DAMAJ, M IMAD (contact); SARKAR, DEVANAND Richmond, Virginia 2022
NOFO Title: HEAL Initiative: Planning Studies for Initial Analgesic Development [Small Molecules and Biologics] (R61 Clinical Trial Not Allowed)
NOFO Number: NS21-029
Summary:

There is a continued need to discover and validate new targets for potential therapeutic strategies for effective and safe treatment of pain. This project focuses on the protein metadherin, also known as astrocyte elevated gene-1 protein (AEG-1), as a possible new target for pain treatment. Preliminary studies have shown that mice genetically engineered to lack metadherin had significantly lower inflammation and chronic pain-related behaviors. This project aims to further validate AEG-1 as a pain target and test whether reducing levels in white blood cells called macrophages might work as a therapeutic strategy to reduce chronic inflammatory and/or neuropathic pain using an innovative nanoparticle approach to target specific cells.
1UG3NS134781-01
A novel glycan-based selectin and complement inhibitor for at-home disease-modifying rescue of pain crisis in sickle cell disease Preclinical and Translational Research in Pain Management Development and Optimization of Non-Addictive Therapies to Treat Pain NINDS IHP THERAPEUTICS, INC. PADERI, JOHN San Carlos, CA 2023
NOFO Title: HEAL Initiative: Non-addictive Analgesic Therapeutics Development [Small Molecules and Biologics] to Treat Pain (UG3/UH3 Clinical Trial Optional)
NOFO Number: RFA-NS-21-010
1R34NS126036-01
Synthesis of peripherally active CB1 agonists as analgesics Preclinical and Translational Research in Pain Management Development and Optimization of Non-Addictive Therapies to Treat Pain NINDS ST. LOUIS COLLEGE OF PHARMACY MAJUMDAR, SUSRUTA (contact); DROR, RON ; GEREAU, ROBERT W St. Louis, MO 2021
NOFO Title: HEAL Initiative: Planning Studies for Initial Analgesic Development Initial Translational Efforts [Small Molecules and Biologics] (R34 Clinical Trial Not Allowed)
NOFO Number: RFA-NS-21-016
Summary:

Current medications for chronic pain are largely ineffective and rely heavily on opioids, one contributor to the nation’s opioid crisis. The endocannabinoid system that consists of cannabinoid receptors (CB1R and CB2R) and their endogenous ligands is a natural pathway in the human body and has emerged as an alternative target for developing new pain medications with few side effects. Current molecules that bind to CB1R in the brain and spinal cord have psychoactive side effects, limiting their therapeutic use for treating chronic pain. This study aims to develop new molecules to bind to CB1R tightly and selectively, are metabolically stable, and are also unable to enter the brain.
1R61NS126026-01A1
Antagonists of CRMP2 Phosphorylation for Chemotherapy-Induced Peripheral Neuropathy Preclinical and Translational Research in Pain Management Development and Optimization of Non-Addictive Therapies to Treat Pain NINDS UNIVERSITY OF ARIZONA KHANNA, RAJESH Tucson, Arizona 2022
NOFO Title: HEAL Initiative: Planning Studies for Initial Analgesic Development [Small Molecules and Biologics] (R61 Clinical Trial Not Allowed)
NOFO Number: NS21-029
Summary:

A more thorough understanding of neuropathic pain is critical for developing new target-specific medications. Researchers know that peripheral nerve injury changes various cell processes that affect two ion channels linked with chronic pain. Preliminary studies indicate that molecular changes known as phosphorylation to the collapsin response mediator protein 2 (CRMP2), one of five intracellular phosphoproteins, promotes abnormal excitability in the brain region that contributes to neuropathic pain. This project aims to develop small molecule inhibitors of CRMP2 phosphorylation as potential therapeutics for pain.