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Alborghetti M, Bianchini E, De Carolis L, Galli S, Pontieri FE, Rinaldi D. Type-B monoamine oxidase inhibitors in neurological diseases: clinical applications based on preclinical findings. Neural Regen Res 2024; 19:16-21. [PMID: 37488838 PMCID: PMC10479837 DOI: 10.4103/1673-5374.375299] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/06/2023] [Accepted: 05/04/2023] [Indexed: 07/26/2023] Open
Abstract
Type-B monoamine oxidase inhibitors, encompassing selegiline, rasagiline, and safinamide, are available to treat Parkinson's disease. These drugs ameliorate motor symptoms and improve motor fluctuation in the advanced stages of the disease. There is also evidence supporting the benefit of type-B monoamine oxidase inhibitors on non-motor symptoms of Parkinson's disease, such as mood deflection, cognitive impairment, sleep disturbances, and fatigue. Preclinical studies indicate that type-B monoamine oxidase inhibitors hold a strong neuroprotective potential in Parkinson's disease and other neurodegenerative diseases for reducing oxidative stress and stimulating the production and release of neurotrophic factors, particularly glial cell line-derived neurotrophic factor, which support dopaminergic neurons. Besides, safinamide may interfere with neurodegenerative mechanisms, counteracting excessive glutamate overdrive in basal ganglia motor circuit and reducing death from excitotoxicity. Due to the dual mechanism of action, the new generation of type-B monoamine oxidase inhibitors, including safinamide, is gaining interest in other neurological pathologies, and many supporting preclinical studies are now available. The potential fields of application concern epilepsy, Duchenne muscular dystrophy, multiple sclerosis, and above all, ischemic brain injury. The purpose of this review is to investigate the preclinical and clinical pharmacology of selegiline, rasagiline, and safinamide in Parkinson's disease and beyond, focusing on possible future therapeutic applications.
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Affiliation(s)
- Marika Alborghetti
- Neurology Unit, NESMOS Department, Faculty of Medicine & Psychology, Sapienza—University of Rome, Sant’Andrea University Hospital, Rome, Italy
| | - Edoardo Bianchini
- Neurology Unit, NESMOS Department, Faculty of Medicine & Psychology, Sapienza—University of Rome, Sant’Andrea University Hospital, Rome, Italy
- Department of Clinical and Behavioral Neurology, IRCCS—Fondazione Santa Lucia, Rome, Italy
| | - Lanfranco De Carolis
- Neurology Unit, NESMOS Department, Faculty of Medicine & Psychology, Sapienza—University of Rome, Sant’Andrea University Hospital, Rome, Italy
| | - Silvia Galli
- Neurology Unit, NESMOS Department, Faculty of Medicine & Psychology, Sapienza—University of Rome, Sant’Andrea University Hospital, Rome, Italy
| | - Francesco E. Pontieri
- Neurology Unit, NESMOS Department, Faculty of Medicine & Psychology, Sapienza—University of Rome, Sant’Andrea University Hospital, Rome, Italy
- Department of Clinical and Behavioral Neurology, IRCCS—Fondazione Santa Lucia, Rome, Italy
| | - Domiziana Rinaldi
- Neurology Unit, NESMOS Department, Faculty of Medicine & Psychology, Sapienza—University of Rome, Sant’Andrea University Hospital, Rome, Italy
- Department of Clinical and Behavioral Neurology, IRCCS—Fondazione Santa Lucia, Rome, Italy
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Su Z, Qin F, Zhang H, Huang Z, Guan K, Zheng M, Dai Z, Song W, Li X. Evaluation of developmental toxicity of safinamide in zebrafish larvae (Danio rerio). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 262:115284. [PMID: 37556957 DOI: 10.1016/j.ecoenv.2023.115284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 07/16/2023] [Accepted: 07/19/2023] [Indexed: 08/11/2023]
Abstract
Monoamine oxidase-B (MAO-B), as a principal metabolizing enzyme, plays important roles in the metabolism of catecholamines and xenobiotics in the central nervous system and peripheral tissues. Safinamide, the third-generation reversible MAO-B inhibitor, has potential to alleviate many neurological diseases such as Parkinson's disease (PD) and depression. Exposure to clinical psychotropic drugs often has adverse effects on fetuses. Currently, a variety of studies of safinamide focus on its curative effect and pharmacological effect, while its side effect of embryonic development is barely studied. In this study, we used zebrafish as a model to evaluate the embryonic developmental toxicity of safinamide. Our results revealed that higher concentrations (30 μM) of safinamide treatment caused a decrease in hatching rate and an increase in malformation and mortality in zebrafish larvae. Meanwhile, we observed that lower safinamide exposure (10 μM) increased the body length of zebrafish larvae and resulted in hyperactivity-like behaviors. In addition, an increased trend in dopamine (DA) level was found in 3.3 μM and 10 μM safinamide-exposed groups. Transcriptome analysis identified that safinamide exposure may disturb a variety of physiological processes such as neuroactive ligand-receptor interaction signaling pathway. In summary, our study reveals that safinamide may cause developmental defects in zebrafish larvae and provides insights into its toxic reactions in early develoment.
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Affiliation(s)
- Zhengkang Su
- The Affiliated Kangning Hospital of Wenzhou Medical University, Zhejiang Provincial Clinical Research Center for Mental Disorders, Wenzhou, Zhejiang 325000, China
| | - Fengqing Qin
- Guangxi College and University Key Laboratory of High-value Utilization of Seafood and Prepared Food in Beibu Gulf
| | - Hai Zhang
- College of Life and Environmental Sciences, Wenzhou University, Wenzhou, Zhejiang, 325035, China
| | - Zhengwei Huang
- The Affiliated Kangning Hospital of Wenzhou Medical University, Zhejiang Provincial Clinical Research Center for Mental Disorders, Wenzhou, Zhejiang 325000, China
| | - Kaiyu Guan
- Wenzhou Seventh People's Hospital, Wenzhou, Zhejiang 325000, China
| | - Miaomiao Zheng
- The Affiliated Kangning Hospital of Wenzhou Medical University, Zhejiang Provincial Clinical Research Center for Mental Disorders, Wenzhou, Zhejiang 325000, China
| | - Ziru Dai
- Guangxi College and University Key Laboratory of High-value Utilization of Seafood and Prepared Food in Beibu Gulf
| | - Weihong Song
- The Affiliated Kangning Hospital of Wenzhou Medical University, Zhejiang Provincial Clinical Research Center for Mental Disorders, Wenzhou, Zhejiang 325000, China; Institute of Aging, Key Laboratory of Alzheimer's Disease of Zhejiang Province, School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang 325000, China.
| | - Xi Li
- The Affiliated Kangning Hospital of Wenzhou Medical University, Zhejiang Provincial Clinical Research Center for Mental Disorders, Wenzhou, Zhejiang 325000, China; College of Life and Environmental Sciences, Wenzhou University, Wenzhou, Zhejiang, 325035, China.
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Tsuboi T, Satake Y, Hiraga K, Yokoi K, Hattori M, Suzuki M, Hara K, Ramirez-Zamora A, Okun MS, Katsuno M. Effects of MAO-B inhibitors on non-motor symptoms and quality of life in Parkinson's disease: A systematic review. NPJ Parkinsons Dis 2022; 8:75. [PMID: 35697709 PMCID: PMC9192747 DOI: 10.1038/s41531-022-00339-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 05/24/2022] [Indexed: 11/09/2022] Open
Abstract
Non-motor symptoms (NMS) are common among patients with Parkinson's disease and reduce patients' quality of life (QOL). However, there remain considerable unmet needs for NMS management. Three monoamine oxidase B inhibitors (MAO-BIs), selegiline, rasagiline, and safinamide, have become commercially available in many countries. Although an increasing number of studies have reported potential beneficial effects of MAO-BIs on QOL and NMS, there has been no consensus. Thus, the primary objective of this study was to provide an up-to-date systematic review of the QOL and NMS outcomes from the available clinical studies of MAO-BIs. We conducted a literature search using the PubMed, Scopus, and Cochrane Library databases in November 2021. We identified 60 publications relevant to this topic. Overall, rasagiline and safinamide had more published evidence on QOL and NMS changes compared with selegiline. This was likely impacted by selegiline being introduced many years prior to the field embarking on the study of NMS. The impact of MAO-BIs on QOL was inconsistent across studies, and this was unlikely to be clinically meaningful. MAO-BIs may potentially improve depression, sleep disturbances, and pain. In contrast, cognitive and olfactory dysfunctions are likely unresponsive to MAO-BIs. Given the paucity of evidence and controlled, long-term studies, the effects of MAO-BIs on fatigue, autonomic dysfunctions, apathy, and ICD remain unclear. The effects of MAO-BIs on static and fluctuating NMS have never been investigated systematically. More high-quality studies will be needed and should enable clinicians to provide personalized medicine based on a non-motor symptom profile.
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Affiliation(s)
- Takashi Tsuboi
- Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Yuki Satake
- Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Keita Hiraga
- Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Katsunori Yokoi
- Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Department of Neurology, National Center for Geriatrics and Gerontology, Obu, Japan
| | - Makoto Hattori
- Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Masashi Suzuki
- Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan.,Department of Clinical laboratory, Nagoya University Hospital, Nagoya, Japan
| | - Kazuhiro Hara
- Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Adolfo Ramirez-Zamora
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Michael S Okun
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Masahisa Katsuno
- Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
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Striatal glutamatergic hyperactivity in Parkinson's disease. Neurobiol Dis 2022; 168:105697. [DOI: 10.1016/j.nbd.2022.105697] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 12/21/2022] Open
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Guerra A, Asci F, Zampogna A, D'Onofrio V, Suppa A, Fabbrini G, Berardelli A. Long-term changes in short-interval intracortical facilitation modulate motor cortex plasticity and L-dopa-induced dyskinesia in Parkinson's disease. Brain Stimul 2021; 15:99-108. [PMID: 34823038 DOI: 10.1016/j.brs.2021.11.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 11/19/2021] [Accepted: 11/20/2021] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Abnormal glutamatergic neurotransmission in the primary motor cortex (M1) contributes to Parkinson's disease (PD) pathophysiology and is related to l-dopa-induced dyskinesia (LID). We previously showed that short-term treatment with safinamide, a monoamine oxidase type-B inhibitor with anti-glutamatergic properties, improves abnormally enhanced short-interval intracortical facilitation (SICF) in PD patients. OBJECTIVE To examine whether a long-term SICF modulation has beneficial effects on clinical measures, including LID severity, and whether these changes parallel improvement in cortical plasticity mechanisms in PD. METHODS We tested SICF in patients with and without LID before (S0) and after short- (14 days - S1) and long-term (12 months - S2) treatment with safinamide 100 mg/day. Possible changes in M1 plasticity were assessed using intermittent theta-burst stimulation (iTBS). Finally, we correlated safinamide-related neurophysiological changes with modifications in clinical scores. RESULTS SICF was enhanced at S0, and prominently in patients with LID. Safinamide normalized SICF at S1, and this effect persisted at S2. Impaired iTBS-induced plasticity was present at S0 and safinamide restored this alteration at S2. There was a significant correlation between the degree of SICF and the amount of iTBS-induced plasticity at S0 and S2. In patients with LID, the degree of SICF at S0 and S2 correlated with long-term changes in LID severity. CONCLUSIONS Altered SICF contributes to M1 plasticity impairment in PD. Both SICF and M1 plasticity improve after long-term treatment with safinamide. The abnormality in SICF-related glutamatergic circuits plays a role in LID pathophysiology, and its long-term modulation may prevent LID worsening over time.
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Affiliation(s)
| | | | | | | | - Antonio Suppa
- IRCCS Neuromed, Pozzilli, IS, Italy; Department of Human Neurosciences, Sapienza University of Rome, Italy
| | - Giovanni Fabbrini
- IRCCS Neuromed, Pozzilli, IS, Italy; Department of Human Neurosciences, Sapienza University of Rome, Italy
| | - Alfredo Berardelli
- IRCCS Neuromed, Pozzilli, IS, Italy; Department of Human Neurosciences, Sapienza University of Rome, Italy.
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Abbruzzese G, Barone P, Lopiano L, Stocchi F. The Current Evidence for the Use of Safinamide for the Treatment of Parkinson's Disease. DRUG DESIGN DEVELOPMENT AND THERAPY 2021; 15:2507-2517. [PMID: 34140766 PMCID: PMC8203199 DOI: 10.2147/dddt.s302673] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 05/25/2021] [Indexed: 12/17/2022]
Abstract
Introduction Parkinson’s therapeutic interventions are only symptomatic. An optimal treatment should therefore address the largest number of motor and non-motor symptoms, to manage patients at best. Safinamide is one of the most recent approved drugs for fluctuating patients, in add-on to levodopa, that remains the gold standard treatment. It has a unique mechanism of action, both dopaminergic (as MAO-B inhibitor) and glutamatergic (through Na+ channel blockade). Results from Phase III trials, post-hoc analyses and real-life experiences suggest a beneficial effect on motor (such as tremor, bradykinesia, rigidity and gait) and non-motor (pain, mood, sleep) symptoms. Areas Covered Here, the authors discuss clinical efficacy and safety of safinamide, identifying the patients’ profiles that could benefit most. A search in PubMed was performed in September 2020, with no time limits. Publications’ abstracts were reviewed. Conclusion Safinamide is peculiar due to its double mechanism of action. Its benefits in improving motor functions and fluctuations, and some non-motor symptoms, could have a valuable impact on patients’ quality of life (QoL), together with its safety profile.
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Affiliation(s)
| | - Paolo Barone
- School of Medicine, University of Salerno, Salerno, Italy
| | - Leonardo Lopiano
- Department of Neuroscience, University of Turin, AOU Città della Salute e della Scienza, Torino, Italy
| | - Fabrizio Stocchi
- Department of Neurology, University and Institute for Research and Medical Care, San Raffaele Roma, Rome, Italy
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Abstract
The deficiency pattern of neurotransmitters is heterogeneous in patients with Parkinson's disease. Consequence is an individual variable expression of motor and nonmotor features. They respond to agents with a broader spectrum of mode of actions, whereas dopamine substitution only targets impaired motor behavior. The pharmacological profile of safinamide includes reversible monoamine oxidase B inhibition and modulation of voltage-dependent sodium- and calcium channels with consecutive decline of glutamate release. Safinamide improves motor and nonmotor symptoms. Combination of safinamide with the catechol-O-methyltransferase inhibitor opicapone in one capsule is a promising future treatment alternative, which simplifies drug therapy in Parkinson's disease. Both agents complement each other in terms of application mode and efficacy on motor complications as adjuncts to levodopa therapy.
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Affiliation(s)
- Thomas Müller
- Department of Neurology, St Joseph Hospital Berlin-Weißensee, Gartenstr. 1, 13088 Berlin, Germany
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