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Rafe MR, Saha P, Bello ST. Targeting NMDA receptors with an antagonist is a promising therapeutic strategy for treating neurological disorders. Behav Brain Res 2024; 472:115173. [PMID: 39097148 DOI: 10.1016/j.bbr.2024.115173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 07/29/2024] [Accepted: 07/31/2024] [Indexed: 08/05/2024]
Abstract
Glutamate activates the NMDARs, significantly affecting multiple processes such as learning, memory, synaptic integration, and excitatory transmission in the central nervous system. Uncontrolled activation of NMDARs is a significant contributor to synaptic dysfunction. Having a properly functioning NMDAR and synapse is crucial for maintaining neuronal communication. In addition, the dysfunction of NMDAR and synapse function could contribute to the development of neurological disorders at the neuronal level; hence, targeting NMDARs with antagonists in the fight against neurological disorders is a promising route. Recently published results from the animal study on different kinds of brain diseases like stroke, epilepsy, tinnitus, ataxia, Alzheimer's disease, Parkinson's disease, and spinal cord injury have demonstrated promising therapeutic scopes. Several NMDA receptor antagonists, such as memantine, MK801, ketamine, ifenprodil, gacyclidine, amantadine, agmatine, etc., showed encouraging results against different brain disease mouse models. Given the unique expression of different subunits of the well-organized NMDA receptor system by neurons. It could potentially lead to the development of medications specifically targeting certain receptor subtypes. For a future researcher, conducting more targeted research and trials is crucial to fully understand and develop highly specific medications with good clinical effects and potential neuroprotective properties.
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Affiliation(s)
- Md Rajdoula Rafe
- Department of Neuroscience, City University of Hong Kong, Kowloon, Hong Kong SAR, China; Department of Pharmacy, Jagannath University, Dhaka 1100, Bangladesh
| | - Pranoy Saha
- Department of Pharmacy, Jagannath University, Dhaka 1100, Bangladesh
| | - Stephen Temitayo Bello
- Department of Neuroscience, City University of Hong Kong, Kowloon, Hong Kong SAR, China; Centre for Regenerative Medicine and Health, Hong Kong Institute of Science & Innovation, Chinese Academy of Sciences, New Territories, Hong Kong.
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2
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Probst Y, Kinnane E. Quality of reporting health behaviors for multiple sclerosis (QuoRH-MS): A scoping review to inform intervention planning and improve consistency of reporting. Brain Behav 2024; 14:e3635. [PMID: 39148370 PMCID: PMC11327400 DOI: 10.1002/brb3.3635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 05/26/2024] [Accepted: 07/03/2024] [Indexed: 08/17/2024] Open
Abstract
BACKGROUND Multiple sclerosis (MS) is a neurological condition that necessitates a multidisciplinary approach to aid those living with MS in managing their disease. Health behavior, or lifestyle modification, is an emerging approach to MS self-management. MS researchers utilize measurement tools to ensure that interventions are best suited to the outcomes, thereby potentially influencing practice. The aim of this study was to investigate which tools are being used for health behavior management studies in people living with MS and develop an aid for tool selection. METHODS A scoping review guided by the PRISMA-Sc checklist and the JBI manual for evidence synthesis was employed with a systematic search strategy executed across four scientific databases: Medline, PubMed, CINAHL, and Cochrane Libraries. The types of assessment tools used were extracted from the included studies. Each tool was categorized into the health behavior intervention discipline (nutrition, exercise, and psychology) and then subcategorized by the tool's purpose. The frequency of use was determined for each tool. Reporting of validation of the assessment tools were collated to inform a tool selection checklist. RESULTS The review identified a total of 248 tools (12 nutrition, 55 exercise, and 119 psychology unique reports) from 166 studies. Seventy-seven multidimensional tools were identified including measures of quality of life, fatigue, and functional scales. Only 88 studies (53%) referred to the validity of the tools. The most commonly reported tools were the dietary habits questionnaire (n = 4, nutrition), 6-minute walk test (n = 17, exercise), Symbol Digits and Modalities Test, and Hospital Anxiety and Depression Scale (n = 15 each, psychology) with the Expanded Disability Status Scale reported 43 times. CONCLUSION Evidence from interventions may inform practice for health professionals. This review provides insights into the range of tools reported across health behavior intervention studies for MS and offers a guide toward more consistent reporting of study methods.
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Affiliation(s)
- Yasmine Probst
- School of Medical, Indigenous and Health Sciences, University of Wollongong, Wollongong, New South Wales, Australia
| | - Emily Kinnane
- School of Medical, Indigenous and Health Sciences, University of Wollongong, Wollongong, New South Wales, Australia
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3
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Saudi Consensus Recommendations on the Management of Multiple Sclerosis: Symptom Management and Vaccination. CLINICAL AND TRANSLATIONAL NEUROSCIENCE 2023. [DOI: 10.3390/ctn7010006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
This article deals with recommendations on the management of symptoms of MS and on the provision of vaccinations in patients receiving disease-modifying therapies (DMTs). Symptoms of MS, such as fatigue, depression, urinary symptoms, spasticity, impairment of gait, and sexual dysfunction, are common in this population. Recognizing and addressing these symptoms is key to maintaining the quality of life of people with MS. Vaccination status should be reviewed and updated prior to initiation of DMTs. In general, vaccination should be avoided for variable periods after the initiation of some DMTs. Live attenuated vaccines are contraindicated and should be considered on a case-by-case basis. These consensus recommendations will present the best practices for vaccination in Saudi Arabia before, during, and after the COVID-19 pandemic. The recommendations will be updated periodically and as needed as new evidence becomes available.
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Collongues N, Becker G, Jolivel V, Ayme-Dietrich E, de Seze J, Binamé F, Patte-Mensah C, Monassier L, Mensah-Nyagan AG. A Narrative Review on Axonal Neuroprotection in Multiple Sclerosis. Neurol Ther 2022; 11:981-1042. [PMID: 35610531 PMCID: PMC9338208 DOI: 10.1007/s40120-022-00363-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 05/03/2022] [Indexed: 01/08/2023] Open
Abstract
Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system (CNS) resulting in demyelination and neurodegeneration. The therapeutic strategy is now largely based on reducing inflammation with immunosuppressive drugs. Unfortunately, when disease progression is observed, no drug offers neuroprotection apart from its anti-inflammatory effect. In this review, we explore current knowledge on the assessment of neurodegeneration in MS and look at putative targets that might prove useful in protecting the axon from degeneration. Among them, Bruton's tyrosine kinase inhibitors, anti-apoptotic and antioxidant agents, sex hormones, statins, channel blockers, growth factors, and molecules preventing glutamate excitotoxicity have already been studied. Some of them have reached phase III clinical trials and carry a great message of hope for our patients with MS.
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Affiliation(s)
- Nicolas Collongues
- Department of Neurology, University Hospital of Strasbourg, Strasbourg, France. .,Center for Clinical Investigation, INSERM U1434, Strasbourg, France. .,Biopathology of Myelin, Neuroprotection and Therapeutic Strategy, INSERM U1119, Strasbourg, France. .,University Department of Pharmacology, Addictology, Toxicology and Therapeutic, Strasbourg University, Strasbourg, France.
| | - Guillaume Becker
- University Department of Pharmacology, Addictology, Toxicology and Therapeutic, Strasbourg University, Strasbourg, France.,NeuroCardiovascular Pharmacology and Toxicology Laboratory, UR7296, University Hospital of Strasbourg, Strasbourg, France
| | - Valérie Jolivel
- Biopathology of Myelin, Neuroprotection and Therapeutic Strategy, INSERM U1119, Strasbourg, France
| | - Estelle Ayme-Dietrich
- University Department of Pharmacology, Addictology, Toxicology and Therapeutic, Strasbourg University, Strasbourg, France.,NeuroCardiovascular Pharmacology and Toxicology Laboratory, UR7296, University Hospital of Strasbourg, Strasbourg, France
| | - Jérôme de Seze
- Department of Neurology, University Hospital of Strasbourg, Strasbourg, France.,Center for Clinical Investigation, INSERM U1434, Strasbourg, France.,Biopathology of Myelin, Neuroprotection and Therapeutic Strategy, INSERM U1119, Strasbourg, France
| | - Fabien Binamé
- Biopathology of Myelin, Neuroprotection and Therapeutic Strategy, INSERM U1119, Strasbourg, France
| | - Christine Patte-Mensah
- Biopathology of Myelin, Neuroprotection and Therapeutic Strategy, INSERM U1119, Strasbourg, France
| | - Laurent Monassier
- University Department of Pharmacology, Addictology, Toxicology and Therapeutic, Strasbourg University, Strasbourg, France.,NeuroCardiovascular Pharmacology and Toxicology Laboratory, UR7296, University Hospital of Strasbourg, Strasbourg, France
| | - Ayikoé Guy Mensah-Nyagan
- Biopathology of Myelin, Neuroprotection and Therapeutic Strategy, INSERM U1119, Strasbourg, France
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Cohen JA, Cameron MH, Goldman MD, Goodman AD, Miller AE, Rollins A, Llorens L, Patni R, Elfont R, Johnson R. A Phase 3, double-blind, placebo-controlled efficacy and safety study of ADS-5102 (Amantadine) extended-release capsules in people with multiple sclerosis and walking impairment. Mult Scler 2021; 28:817-830. [PMID: 34449295 PMCID: PMC8978468 DOI: 10.1177/13524585211035333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Background: ADS-5102, a delayed-release, extended-release (DR/ER) amantadine, improved
walking speed in MS in a Phase 2 trial. Objective: The aim of this study was to present primary results of a Phase 3,
double-blind, ADS-5102 trial (INROADS) for walking speed. Methods: Adult participants with MS and walking impairment, not currently using
amantadine or dalfampridine, underwent 4-week placebo run-in before
randomization 1:1:1 to placebo, 137 or 274 mg/day ADS-5102 for 12 weeks.
Primary outcome was the proportion of responders (20% increase in Timed
25-Foot Walk (T25FW) speed) for 274 mg ADS-5102 versus placebo at end of
double-blind (Study Week 16). Additional measures included Timed Up and Go
(TUG), 2-Minute Walk Test (2MWT), and 12-item Multiple Sclerosis Walking
Scale (MSWS-12). Results: In total, 558 participants were randomized and received double-blind
treatment. Significantly more participants responded with 274 mg ADS-5102
(21.1%) versus placebo (11.3%). Mean T25FW speed also significantly improved
(0.19 ft/s) versus placebo (0.07 ft/s). Other measures were not significant
using prespecified hierarchical testing procedure. Adverse events led to
discontinuation for 3.8% (placebo), 6.4% (137 mg ADS-5102), and 20.5%
(274 mg ADS-5102). Conclusion: INROADS met its primary endpoint, showing a significantly greater proportion
of participants with meaningful improvement in walking speed for 274 mg
ADS-5102 versus placebo. Numeric dose response was seen for some secondary
efficacy outcomes and adverse events.
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Affiliation(s)
- Jeffrey A Cohen
- Mellen Center for Multiple Sclerosis Treatment and Research, Neurological Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Michelle H Cameron
- Veterans Affairs Portland Health Care System/Oregon Health & Science University, Portland, OR, USA
| | | | | | - Aaron E Miller
- The Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Anne Rollins
- Adamas Pharmaceuticals, Inc., Emeryville, CA, USA
| | - Lily Llorens
- Adamas Pharmaceuticals, Inc., Emeryville, CA, USA
| | - Rajiv Patni
- Adamas Pharmaceuticals, Inc., Emeryville, CA, USA
| | | | - Reed Johnson
- Adamas Pharmaceuticals, Inc., Emeryville, CA, USA
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Danysz W, Dekundy A, Scheschonka A, Riederer P. Amantadine: reappraisal of the timeless diamond-target updates and novel therapeutic potentials. J Neural Transm (Vienna) 2021; 128:127-169. [PMID: 33624170 PMCID: PMC7901515 DOI: 10.1007/s00702-021-02306-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 01/13/2021] [Indexed: 12/30/2022]
Abstract
The aim of the current review was to provide a new, in-depth insight into possible pharmacological targets of amantadine to pave the way to extending its therapeutic use to further indications beyond Parkinson's disease symptoms and viral infections. Considering amantadine's affinities in vitro and the expected concentration at targets at therapeutic doses in humans, the following primary targets seem to be most plausible: aromatic amino acids decarboxylase, glial-cell derived neurotrophic factor, sigma-1 receptors, phosphodiesterases, and nicotinic receptors. Further three targets could play a role to a lesser extent: NMDA receptors, 5-HT3 receptors, and potassium channels. Based on published clinical studies, traumatic brain injury, fatigue [e.g., in multiple sclerosis (MS)], and chorea in Huntington's disease should be regarded potential, encouraging indications. Preclinical investigations suggest amantadine's therapeutic potential in several further indications such as: depression, recovery after spinal cord injury, neuroprotection in MS, and cutaneous pain. Query in the database http://www.clinicaltrials.gov reveals research interest in several further indications: cancer, autism, cocaine abuse, MS, diabetes, attention deficit-hyperactivity disorder, obesity, and schizophrenia.
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Affiliation(s)
- Wojciech Danysz
- Merz Pharmaceuticals GmbH., Eckenheimer Landstraße 100, 60318, Frankfurt am Main, Germany
| | - Andrzej Dekundy
- Merz Pharmaceuticals GmbH., Eckenheimer Landstraße 100, 60318, Frankfurt am Main, Germany
| | - Astrid Scheschonka
- Merz Pharmaceuticals GmbH., Eckenheimer Landstraße 100, 60318, Frankfurt am Main, Germany
| | - Peter Riederer
- Clinic and Policlinic for Psychiatry, Psychosomatics and Psychotherapy, University Hospital Würzburg, University of Würzburg, Margarete-Höppel-Platz 1, 97080, Würzburg, Germany.
- Department Psychiatry, University of Southern Denmark Odense, Vinslows Vey 18, 5000, Odense, Denmark.
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Dames B, Karl JA, Verhagen Metman L. High dose amantadine therapy may cause increased falling in patients with Parkinson's disease: A case report. Clin Park Relat Disord 2020; 3:100045. [PMID: 34316630 PMCID: PMC8298788 DOI: 10.1016/j.prdoa.2020.100045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 02/06/2020] [Accepted: 02/08/2020] [Indexed: 11/24/2022] Open
Affiliation(s)
- Bridget Dames
- Rush University, Department of Neurological Sciences, Movement Disorder Section, 1725 W. Harrison St. Suite 755, Chicago, IL 60612, United States of America.,University of Toledo College of Medicine and Life Sciences, 3000 Arlington Ave, Toledo, OH 43614, United States of America
| | - Jessica A Karl
- Rush University, Department of Neurological Sciences, Movement Disorder Section, 1725 W. Harrison St. Suite 755, Chicago, IL 60612, United States of America
| | - Leo Verhagen Metman
- Rush University, Department of Neurological Sciences, Movement Disorder Section, 1725 W. Harrison St. Suite 755, Chicago, IL 60612, United States of America
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Abstract
This comprehensive review discusses clinical studies of patients following brain injuries (traumatic, acquired, or stroke), who have been treated with amantadine or memantine. Both amantadine and memantine are commonly used in the acute rehabilitation setting following brain injuries, despite their lack of FDA-approval for neuro-recovery. Given the broad utilization of such agents, there is a need to review the evidence supporting this common off-label prescribing. The purpose of this review is to describe the mechanisms of action for memantine and amantadine, as well as to complete a comprehensive review of the clinical uses of these agents. We included 119 original, clinical research articles from NCBI Medline, published before 2019. We focused on the domains of neuroplasticity, functional recovery, motor recovery, arousal, fatigue, insomnia, behavior, agitation, and cognition. Most of the existing research supporting the use of amantadine and memantine in recovery from brain injuries was done in very small populations, limiting the significance of conclusions. While most studies are positive; small effect sizes are usually reported, or populations are subject to bias. Furthermore, evidence is so limited that this review includes research regarding both acute and chronic acquired brain injury populations. Fortunately, reported short-term side effects generally are modest, and stop soon after amantadine/memantine is discontinued. However, responses are inconsistent, and the phenotype of responders remains elusive.
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Affiliation(s)
- Heather M Ma
- Physical Medicine and Rehabilitation, University of Rochester Medical Center, Rochester, New York, USA
| | - Ross D Zafonte
- Spaulding Rehabilitation Hospital, Massachusetts General Hospital, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
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