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Krajewski O, Opiełka M, Urbanowicz K, Chojnowski K, Kochany P, Pawłowski K, Tomaszewska J, Peters GJ, Smoleński RT, Bełdzińska MM. Management of neurological symptoms in Lesch-Nyhan disease: A systematic review. Neurosci Biobehav Rev 2024; 165:105847. [PMID: 39117131 DOI: 10.1016/j.neubiorev.2024.105847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Revised: 07/08/2024] [Accepted: 08/05/2024] [Indexed: 08/10/2024]
Abstract
Lesch-Nyhan Disease (LND) is an X-linked recessive genetic disorder arising from hypoxanthine phosphoribosyltransferase 1 gene mutations, leading to a complete deficiency. LND presents a complex neurological profile characterized by generalized dystonia, motor dysfunctions and self-injurious behavior, which management is challenging. We conducted a systematic review of studies assessing the efficacy of pharmacological and non-pharmacological interventions in management of neurological symptoms in LND (PROSPERO registration number:CRD42023446513). Among 34 reviewed full-text papers; 22 studies were rated as having a high risk of bias. Considerable heterogeneity was found in studies regarding the timing of treatment implementation, adjunctive treatments and outcome assessment. Single-patient studies and clinical trials often showed contradictory results, while therapeutic failures were underreported. S-Adenosylmethionine and Deep Brain Stimulation were the most studied treatment methods and require further research to address inconsistencies. The evidence from levodopa studies underlines that optimal timing of treatment implementation should be thoroughly investigated. Standardized study design and reducing publication bias are crucial to overcome current limitations of assessing intervention efficacy in LND.
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Affiliation(s)
- Oliwier Krajewski
- Department of Biochemistry, Medical University of Gdansk, Gdansk 80-211, Poland
| | - Mikołaj Opiełka
- Department of Biochemistry, Medical University of Gdansk, Gdansk 80-211, Poland
| | | | - Karol Chojnowski
- Department of Biochemistry, Medical University of Gdansk, Gdansk 80-211, Poland; Department of Developmental Neurology, Medical University of Gdansk, Gdansk 80-211, Poland
| | - Paweł Kochany
- Department of Biochemistry, Medical University of Gdansk, Gdansk 80-211, Poland; Department of Medical Chemistry, Medical University of Gdansk, Gdansk 80-211, Poland
| | - Kacper Pawłowski
- Department of Biochemistry, Medical University of Gdansk, Gdansk 80-211, Poland
| | - Jagoda Tomaszewska
- Department of Biochemistry, Medical University of Gdansk, Gdansk 80-211, Poland
| | - Godefridus J Peters
- Department of Biochemistry, Medical University of Gdansk, Gdansk 80-211, Poland; Cancer Center Amsterdam, Amsterdam U.M.C., VU University Medical Center (VUMC), Department of Medical Oncology, Amsterdam 1081 HV, The Netherlands
| | - Ryszard T Smoleński
- Department of Biochemistry, Medical University of Gdansk, Gdansk 80-211, Poland.
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Tan B, Chen L, Yan S, Pan H, Zhang J, Wei H. Risk of stress cardiomyopathy associated with selective serotonin reuptake inhibitors and serotonin and norepinephrine reuptake inhibitors: a real-world pharmacovigilance analysis. Sci Rep 2024; 14:15167. [PMID: 38956425 PMCID: PMC11220088 DOI: 10.1038/s41598-024-66155-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 06/27/2024] [Indexed: 07/04/2024] Open
Abstract
Selective serotonin reuptake inhibitors (SSRIs) and serotonin and norepinephrine reuptake inhibitors (SNRIs) are reported to cause stress cardiomyopathy (SC). This study evaluated the association between SSRI/SNRI use and the occurrence of cardiomyopathy in the publicly available U.S. Food and Drug Administration Adverse Event Reporting System (FAERS) database. Disproportionate analysis and likelihood ratio tests were used to identify risk associated with SSRIs or SNRIs and the incidence of SC, using data from between from 2012 to 2022 acquired from the FAERS database. The study identified 132 individual case safety reports (ICSRs) of SC associated with SSRIs or SNRIs. Venlafaxine (48%) and fluoxetine (27%) were the most common antidepressants of the ICSRs. Approximately 80% of SC cases were reported in females, with individuals aged 45-65 years identified as a high-risk population. Both venlafaxine (ratio-scale information component [RSIC] 2.54, 95% CI 2.06-3.04) and fluoxetine (RSIC 3.20, 95% CI 2.31-4.47) were associated with SC, with likelihood ratio estimates of 3.55 (p = 0.02) for venlafaxine and 4.82 (p = 0.008) for fluoxetine. The median time to cardiomyopathy onset was 20 days, with hospitalization reported in 48.33% of patients. Venlafaxine and fluoxetine were associated with SC risk, particularly in middle-aged women. Caution should be exercised when using SSRIs or SNRIs combined with other serotonergic medications.
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Affiliation(s)
- Boyu Tan
- Department of Pharmacy, Shanghai Children's Hospital, Children's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
- Department of Pharmacy, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, People's Republic of China
| | - Li Chen
- Department of Pharmacy, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, People's Republic of China
| | - Sulan Yan
- Department of Cardiology, Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, People's Republic of China
| | - Huijie Pan
- Department of Pharmacy, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
| | - Jingxian Zhang
- Department of Pharmacy, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
| | - Hongyan Wei
- Department of Pharmacy, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China.
- Institute of I Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, People's Republic of China.
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Kirby-Madden T, Waring CT, Herron M. Effects of Gabapentin on the Treatment of Behavioral Disorders in Dogs: A Retrospective Evaluation. Animals (Basel) 2024; 14:1462. [PMID: 38791679 PMCID: PMC11117262 DOI: 10.3390/ani14101462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
The use of gabapentin in treating dogs with behavioral disorders is not well described. To characterize behavioral effects of gabapentin, this study surveyed 50 owners whose dogs were prescribed gabapentin at a veterinary behavior-focused practice over a five-year period. Most owners (72%) reported that gabapentin was moderately or very effective at improving their dog's behavior. The majority of owners reported at least one side effect (70%), with sedation being the most common. Sedation was more likely to be seen at doses higher than 30 mg/kg. Specific dose ranges (mg/kg) did not correlate with any other reports of side effects nor effectiveness. Dogs with a diagnosis of conflict-related aggression were more likely to have owners report that gabapentin was effective at improving behavior compared to dogs with other behavioral diagnoses (p = 0.04), while dogs diagnosed with aggression secondary to high arousal were less likely to have owners report that gabapentin was effective (p = 0.01). Overall, reports of effect varied widely and, with the exception of sedation, did not correlate with specific mg/kg dose ranges. Results suggest that some dogs may be more sensitive or resistant to adverse and/or therapeutic effects than others and multiple dosage trials may be needed before finding the best fit.
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Rusciano D. Molecular Mechanisms and Therapeutic Potential of Gabapentin with a Focus on Topical Formulations to Treat Ocular Surface Diseases. Pharmaceuticals (Basel) 2024; 17:623. [PMID: 38794193 PMCID: PMC11124268 DOI: 10.3390/ph17050623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 05/05/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Gabapentin (GBP) was originally developed as a potential agonist for Gamma-Amino-Butyric-Acid (GABA) receptors, aiming to inhibit the activation of pain-signaling neurons. Contrary to initial expectations, it does not bind to GABA receptors. Instead, it exhibits several distinct pharmacological activities, including: (1) binding to the alpha-2-delta protein subunit of voltage-gated calcium channels in the central nervous system, thereby blocking the excitatory influx of calcium; (2) reducing the expression and phosphorylation of CaMKII via modulation of ERK1/2 phosphorylation; (3) inhibiting glutamate release and interfering with the activation of NMDA receptors; (4) enhancing GABA synthesis; (5) increasing cell-surface expression of δGABA_A receptors, contributing to its antinociceptive, anticonvulsant, and anxiolytic-like effects. Additionally, GBP displays (6) inhibition of NF-kB activation and subsequent production of inflammatory cytokines, and (7) stimulation of the purinergic adenosine A1 receptor, which supports its anti-inflammatory and wound-healing properties. Initially approved for treating seizures and postherpetic neuralgia, GBP is now broadly used for various conditions, including psychiatric disorders, acute and chronic neuropathic pain, and sleep disturbances. Recently, as an eye drop formulation, it has also been explored as a therapeutic option for ocular surface discomfort in conditions such as dry eye, neurotrophic keratitis, corneal ulcers, and neuropathic ocular pain. This review aims to summarize the evidence supporting the molecular effects of GBP, with a special emphasis on its applications in ocular surface diseases.
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Abtahi-Naeini B, Hemati E, Faghihi G, Shahmoradi Z, Paknazar F, Rastegarnasab F, Varshosaz J, Hadian M, Akbari M, Sabzghabaee AM. Efficacy of topical gabapentin in women with primary macular amyloidosis: A side-by-side triple-blinded randomized clinical trial. J Cosmet Dermatol 2024; 23:1677-1684. [PMID: 38291677 DOI: 10.1111/jocd.16180] [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: 09/07/2023] [Revised: 12/08/2023] [Accepted: 12/31/2023] [Indexed: 02/01/2024]
Abstract
BACKGROUND Primary cutaneous macular amyloidosis (PCMA) is a chronic pruritic cutaneous disease characterized by heterogeneous extracellular deposition of amyloid protein in the skin. AIMS This study aimed to evaluate the efficacy of topical 6% gabapentin cream for the treatment of patients with PCMA. MATERIALS AND METHODS In this triple-blind clinical trial, a total of 34 patients, who were diagnosed with PCMA, treated using two different strategies of topical gabapentin as the active group and vehicle cream as the control group. RESULTS Pruritus score reduction in both groups was statistically significant compared with the baseline value (p < 0.001). There was a significant pigmentation score reduction in intervention group compared with control group after 1 month of the study (p < 0.001). The differences of pigmentation score changes between the groups were not significant at month 2 (p = 0.52) and month 3 (p = 0.22). CONCLUSIONS The results of this study suggest that topical gabapentin cream may be effective as a topical agent in the treatment of pruritus associated with PCMA without any significant adverse effects. It is recommended to perform similar studies with a larger sample size and longer duration in both sexes.
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Affiliation(s)
- Bahareh Abtahi-Naeini
- Pediatric Dermatology Division of Department of Pediatrics, Imam Hossein Children's Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
- Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Elahe Hemati
- Pediatric Dermatology Division of Department of Pediatrics, Imam Hossein Children's Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Gita Faghihi
- Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zabihollah Shahmoradi
- Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fatemeh Paknazar
- Social Determinants of Health Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | | | - Jaleh Varshosaz
- Department of Pharmaceutics, Faculty of Pharmacy and Novel Drug Delivery Systems Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mahdi Hadian
- Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mojtaba Akbari
- Department of Epidemiology, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ali Mohammad Sabzghabaee
- Isfahan Clinical Toxicology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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Sandler MD, Ledesma B, Thomas J, Ben-Ezra L, Lokeshwar SD, Paz LA, White J, Ramasamy R, Masterson TA. Biopsychosocial approach to male chronic pelvic pain syndrome: recent treatments and trials. Sex Med Rev 2023; 12:59-66. [PMID: 37717957 DOI: 10.1093/sxmrev/qead038] [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: 05/05/2023] [Accepted: 08/04/2023] [Indexed: 09/19/2023]
Abstract
INTRODUCTION Chronic pelvic pain syndrome (CPPS) is a common urologic condition that can cause significant disability in affected individuals. Physiologic explanations of chronic pain are often incomplete; appropriate management of CPPS includes recognition of biological, psychological, and social elements, known as the biopsychosocial model. OBJECTIVE The aim of this narrative review is to investigate treatments for men with CPPS, with a special focus on those utilizing the biopsychosocial model of care. METHODS A comprehensive literature search was conducted on the electronic databases PubMed, Embase, and Cochrane Library, using relevant Medical Subject Heading terms and keywords related to CPPS treatments. The search was limited to studies published in English from inception to January 2023. Additionally, reference lists of selected studies were manually reviewed to find studies not identified by the initial search. Studies were included if they investigated pharmacologic or nonpharmacologic treatments for men with CPPS. RESULTS A total of 30 studies met the inclusion criteria. Antibiotics, α-blockers, nonsteroidal anti-inflammatory drugs, gabapentinoids, antidepressants, and phosphodiesterase type 5 inhibitors were among the pharmacologic agents included in trials attempting to reduce symptoms of male CPPS. Studies that focused on treating CPPS without medication included interventions such as shockwave therapy, acupuncture, physical therapy, botulinum toxin, cryotherapy, electrotherapy, exercise, and cognitive behavioral therapy. CONCLUSION α-Blockers and nonsteroidal anti-inflammatory drugs have shown promising results in treating CPPS in men, while the effectiveness of antibiotics remains controversial. Antidepressants and phosphodiesterase type 5 inhibitors may also be useful in decreasing symptoms in patients with CPPS. Treatments such as pelvic floor muscle therapy, acupuncture, shockwave therapy, and cognitive behavioral therapy must be considered effective complements to medical management in men with CPPS. While these interventions demonstrate benefits as monotherapies, the individualization and combination of treatment modalities are likely to result in reduced pain and improved quality of life.
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Affiliation(s)
- Max D Sandler
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, United States
| | - Braian Ledesma
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, United States
| | - Jamie Thomas
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, United States
| | - Logan Ben-Ezra
- Department of Physical Therapy and Human Movement Sciences, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Soum D Lokeshwar
- Department of Urology, School of Medicine, Yale University, New Haven, CT 06520, United States
| | - Lisa A Paz
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, United States
| | - Joshua White
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, United States
| | - Ranjith Ramasamy
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, United States
| | - Thomas A Masterson
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL 33136, United States
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Pendyala VV, Pribil S, Schaal V, Sharma K, Jagadesan S, Yu L, Kumar V, Guda C, Gao L. Effects of Acute and Chronic Gabapentin Treatment on Cardiovascular Function of Rats. Cells 2023; 12:2705. [PMID: 38067133 PMCID: PMC10706228 DOI: 10.3390/cells12232705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/20/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
Gabapentin (GBP), a GABA analogue, is primarily used as an anticonvulsant for the treatment of partial seizures and neuropathic pain. Whereas a majority of the side effects are associated with the nervous system, emerging evidence suggests there is a high risk of heart diseases in patients taking GBP. In the present study, we first used a preclinical model of rats to investigate, firstly, the acute cardiovascular responses to GBP (bolus i.v. injection, 50 mg/kg) and secondly the effects of chronic GBP treatment (i.p. 100 mg/kg/day × 7 days) on cardiovascular function and the myocardial proteome. Under isoflurane anesthesia, rat blood pressure (BP), heart rate (HR), and left ventricular (LV) hemodynamics were measured using Millar pressure transducers. The LV myocardium and brain cortex were analyzed by proteomics, bioinformatics, and western blot to explore the molecular mechanisms underlying GBP-induced cardiac dysfunction. In the first experiment, we found that i.v. GBP significantly decreased BP, HR, maximal LV pressure, and maximal and minimal dP/dt, whereas it increased IRP-AdP/dt, Tau, systolic, diastolic, and cycle durations (* p < 0.05 and ** p < 0.01 vs. baseline; n = 4). In the second experiment, we found that chronic GBP treatment resulted in hypotension, bradycardia, and LV systolic dysfunction, with no change in plasma norepinephrine. In the myocardium, we identified 109 differentially expressed proteins involved in calcium pathways, cholesterol metabolism, and galactose metabolism. Notably, we found that calmodulin, a key protein of intracellular calcium signaling, was significantly upregulated by GBP in the heart but not in the brain. In summary, we found that acute and chronic GBP treatments suppressed cardiovascular function in rats, which is attributed to abnormal calcium signaling in cardiomyocytes. These data reveal a novel side effect of GBP independent of the nervous system, providing important translational evidence to suggest that GBP can evoke adverse cardiovascular events by depression of myocardial function.
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Affiliation(s)
- Ved Vasishtha Pendyala
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA; (V.V.P.); (S.P.); (V.S.); (L.Y.)
| | - Sarah Pribil
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA; (V.V.P.); (S.P.); (V.S.); (L.Y.)
| | - Victoria Schaal
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA; (V.V.P.); (S.P.); (V.S.); (L.Y.)
| | - Kanika Sharma
- Mass Spectrometry and Proteomics Core Facility, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA; (K.S.); (V.K.)
| | - Sankarasubramanian Jagadesan
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA; (S.J.); (C.G.)
- Center for Biomedical Informatics Research and Innovation, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA
| | - Li Yu
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA; (V.V.P.); (S.P.); (V.S.); (L.Y.)
| | - Vikas Kumar
- Mass Spectrometry and Proteomics Core Facility, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA; (K.S.); (V.K.)
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA; (S.J.); (C.G.)
| | - Chittibabu Guda
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA; (S.J.); (C.G.)
- Center for Biomedical Informatics Research and Innovation, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA
| | - Lie Gao
- Department of Anesthesiology, University of Nebraska Medical Center (UNMC), Omaha, NE 68198, USA; (V.V.P.); (S.P.); (V.S.); (L.Y.)
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Zhang J, Xie M. Graph regularized non-negative matrix factorization with [Formula: see text] norm regularization terms for drug-target interactions prediction. BMC Bioinformatics 2023; 24:375. [PMID: 37789278 PMCID: PMC10548602 DOI: 10.1186/s12859-023-05496-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 09/22/2023] [Indexed: 10/05/2023] Open
Abstract
BACKGROUND Identifying drug-target interactions (DTIs) plays a key role in drug development. Traditional wet experiments to identify DTIs are costly and time consuming. Effective computational methods to predict DTIs are useful to speed up the process of drug discovery. A variety of non-negativity matrix factorization based methods are proposed to predict DTIs, but most of them overlooked the sparsity of feature matrices and the convergence of adopted matrix factorization algorithms, therefore their performances can be further improved. RESULTS In order to predict DTIs more accurately, we propose a novel method iPALM-DLMF. iPALM-DLMF models DTIs prediction as a problem of non-negative matrix factorization with graph dual regularization terms and [Formula: see text] norm regularization terms. The graph dual regularization terms are used to integrate the information from the drug similarity matrix and the target similarity matrix, and [Formula: see text] norm regularization terms are used to ensure the sparsity of the feature matrices obtained by non-negative matrix factorization. To solve the model, iPALM-DLMF adopts non-negative double singular value decomposition to initialize the nonnegative matrix factorization, and an inertial Proximal Alternating Linearized Minimization iterating process, which has been proved to converge to a KKT point, to obtain the final result of the matrix factorization. Extensive experimental results show that iPALM-DLMF has better performance than other state-of-the-art methods. In case studies, in 50 highest-scoring proteins targeted by the drug gabapentin predicted by iPALM-DLMF, 46 have been validated, and in 50 highest-scoring drugs targeting prostaglandin-endoperoxide synthase 2 predicted by iPALM-DLMF, 47 have been validated.
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Affiliation(s)
- Junjun Zhang
- Key Laboratory of Computing and Stochastic Mathematics(LCSM) (Ministry of Education), School of Mathematics and Statistics, Hunan Normal University, Changsha, 410081 China
| | - Minzhu Xie
- Key Laboratory of Computing and Stochastic Mathematics(LCSM) (Ministry of Education), School of Mathematics and Statistics, Hunan Normal University, Changsha, 410081 China
- College of Information Science and Engineering, Hunan Normal University, Changsha, 410081 China
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Esterov D, Schultz BA, Bottemiller KL, Boontaveekul SD. Serotonin Syndrome Precipitated by Amantadine in a Patient With Persistent Post Concussive Symptoms - A Case Report. Arch Rehabil Res Clin Transl 2023; 5:100283. [PMID: 37744194 PMCID: PMC10517351 DOI: 10.1016/j.arrct.2023.100283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2023] Open
Abstract
Symptoms after mild traumatic brain injury (MTBI) can persist for greater than 1 month in up to 20% of individuals, yet there are no current medications approved by the Food and Drug Administration for treatment of specific concussion related sequelae. Amantadine, a dopamine agonist and N-Methyl-D-aspartate antagonist, is increasingly being used as a treatment option for individuals with traumatic brain injury across the spectrum of injury severity. This case report describes a 22-year-old individual who sustained an MTBI without loss of consciousness or post-traumatic amnesia after striking their head against a metal cabinet. The individual was referred to an interdisciplinary outpatient brain rehabilitation program secondary to persistent symptoms after MTBI, was prescribed amantadine for post-traumatic headache 97 days after injury, and subsequently developed symptoms of serotonin syndrome (SS) within 10 days of medication initiation. While SS caused by amantadine has been described in individuals with renal failure, this case report is the first to describe amantadine precipitating SS - confirmed by a validated diagnostic criterion and successfully treated with lorazepam and cyproheptadine - in a patient with normal renal function already on duloxetine, bupropion, and gabapentin. This case report is important in elucidating potential contributions of amantadine to the development of SS and highlighting the important role clinicians have in assessing for polypharmacy when prescribing amantadine for individuals with traumatic and acquired brain injuries.
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Affiliation(s)
- Dmitry Esterov
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN
| | - Billie A. Schultz
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN
| | - Kari L. Bottemiller
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN
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Marin MCD, Pedro MOP, Perrotte G, Martins-da-Silva AS, Lassi DLS, Blaas IK, Castaldelli FI, Brisola dos Santos MB, Kortas GT, Campos MW, Torales J, Ventriglio A, Périco CDAM, Negrão AB, Leopoldo K, de Andrade AG, Malbergier A, Castaldelli-Maia JM. Pharmacological Treatment of Alcohol Cravings. Brain Sci 2023; 13:1206. [PMID: 37626562 PMCID: PMC10452441 DOI: 10.3390/brainsci13081206] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 08/03/2023] [Accepted: 08/04/2023] [Indexed: 08/27/2023] Open
Abstract
(1) Background: The treatment of substance addiction is challenging and has persisted for decades, with only a few therapeutic options. Although there are some recommendations for specific treatments for Alcohol Use Disorder (AUD), there is no specific medication used to treat alcohol cravings, which could benefit millions of patients that are suffering from alcoholism. Cravings, or the urge to use drugs, refer to the desire to experience the effects of a previously experienced psychoactive substance. (2) Methods: We included original studies of alcohol abuse or dependence extracted from a controlled, blind, pharmacological treatment study which presented measures and outcomes related to alcohol cravings. (3) Results: Specific drugs used for the treatment of alcoholism, such as Naltrexone and Acamprosate, have had the best results in relieving craving symptoms, as well as promoting abstinence. Baclofen and anticonvulsants such as Gabapentin and Topiramate have shown good results in promoting abstinence and the cessation of cravings. (4) Conclusions: Specific drugs used for the treatment of alcoholism to obtain the best results can be considered the gold standard for promoting abstinence and relieving cravings. Anticonvulsants and Baclofen also had good results, with these medications being considered as second-line ones. Varenicline is an option for alcohol dependents who also concomitantly ingest tobacco.
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Affiliation(s)
- Matheus Cheibub David Marin
- Perdizes Institute (IPer), Clinics Hospital of the Medical School (HCFMUSP), University of São Paulo, São Paulo 05021-001, Brazil; (M.C.D.M.); (D.L.S.L.); (I.K.B.); (G.T.K.); (A.B.N.); (A.G.d.A.); (A.M.)
- Hospital Sírio-Libanês, São Paulo 01308-050, Brazil; (M.O.P.P.); (M.B.B.d.S.)
| | - Maria Olívia Pozzolo Pedro
- Hospital Sírio-Libanês, São Paulo 01308-050, Brazil; (M.O.P.P.); (M.B.B.d.S.)
- Department of Psychiatry, Medical School, University of São Paulo, São Paulo 05403-903, Brazil; (A.S.M.-d.-S.); (K.L.)
| | - Giuliana Perrotte
- Department of Neuroscience, Medical School, FMABC University Center, Santo André 09060-870, Brazil; (G.P.); (C.d.A.-M.P.)
| | - Anderson S. Martins-da-Silva
- Department of Psychiatry, Medical School, University of São Paulo, São Paulo 05403-903, Brazil; (A.S.M.-d.-S.); (K.L.)
| | - Dangela L. S. Lassi
- Perdizes Institute (IPer), Clinics Hospital of the Medical School (HCFMUSP), University of São Paulo, São Paulo 05021-001, Brazil; (M.C.D.M.); (D.L.S.L.); (I.K.B.); (G.T.K.); (A.B.N.); (A.G.d.A.); (A.M.)
| | - Israel Kanaan Blaas
- Perdizes Institute (IPer), Clinics Hospital of the Medical School (HCFMUSP), University of São Paulo, São Paulo 05021-001, Brazil; (M.C.D.M.); (D.L.S.L.); (I.K.B.); (G.T.K.); (A.B.N.); (A.G.d.A.); (A.M.)
- Department of Neuroscience, Medical School, FMABC University Center, Santo André 09060-870, Brazil; (G.P.); (C.d.A.-M.P.)
| | | | | | - Guilherme Trevizan Kortas
- Perdizes Institute (IPer), Clinics Hospital of the Medical School (HCFMUSP), University of São Paulo, São Paulo 05021-001, Brazil; (M.C.D.M.); (D.L.S.L.); (I.K.B.); (G.T.K.); (A.B.N.); (A.G.d.A.); (A.M.)
- Hospital Sírio-Libanês, São Paulo 01308-050, Brazil; (M.O.P.P.); (M.B.B.d.S.)
- Department of Psychiatry, Medical School, University of São Paulo, São Paulo 05403-903, Brazil; (A.S.M.-d.-S.); (K.L.)
| | - Marcela Waisman Campos
- Department of Cognitive Neurology, Neuropsychiatry, and Neuropsychology, Fleni, Buenos Aires C1428AQK, Argentina;
| | - Julio Torales
- Department of Medical Psychology, School of Medical Sciences, Universidad Nacional de Asunción, San Lorenzo 111454, Paraguay;
- Regional Institute of Health Research, Universidad Nacional de Caaguazú, Coronel Oviedo 050106, Paraguay
- School of Health Sciences, Universidad Sudamericana, Pedro Juan Caballero 130112, Paraguay
| | - Antonio Ventriglio
- Department of Experimental Medicine, Medical School, University of Foggia, 71100 Foggia, Italy;
| | | | - André B. Negrão
- Perdizes Institute (IPer), Clinics Hospital of the Medical School (HCFMUSP), University of São Paulo, São Paulo 05021-001, Brazil; (M.C.D.M.); (D.L.S.L.); (I.K.B.); (G.T.K.); (A.B.N.); (A.G.d.A.); (A.M.)
| | - Kae Leopoldo
- Department of Psychiatry, Medical School, University of São Paulo, São Paulo 05403-903, Brazil; (A.S.M.-d.-S.); (K.L.)
| | - Arthur Guerra de Andrade
- Perdizes Institute (IPer), Clinics Hospital of the Medical School (HCFMUSP), University of São Paulo, São Paulo 05021-001, Brazil; (M.C.D.M.); (D.L.S.L.); (I.K.B.); (G.T.K.); (A.B.N.); (A.G.d.A.); (A.M.)
- Hospital Sírio-Libanês, São Paulo 01308-050, Brazil; (M.O.P.P.); (M.B.B.d.S.)
- Department of Psychiatry, Medical School, University of São Paulo, São Paulo 05403-903, Brazil; (A.S.M.-d.-S.); (K.L.)
- Department of Neuroscience, Medical School, FMABC University Center, Santo André 09060-870, Brazil; (G.P.); (C.d.A.-M.P.)
| | - André Malbergier
- Perdizes Institute (IPer), Clinics Hospital of the Medical School (HCFMUSP), University of São Paulo, São Paulo 05021-001, Brazil; (M.C.D.M.); (D.L.S.L.); (I.K.B.); (G.T.K.); (A.B.N.); (A.G.d.A.); (A.M.)
- Department of Psychiatry, Medical School, University of São Paulo, São Paulo 05403-903, Brazil; (A.S.M.-d.-S.); (K.L.)
| | - João Maurício Castaldelli-Maia
- Hospital Sírio-Libanês, São Paulo 01308-050, Brazil; (M.O.P.P.); (M.B.B.d.S.)
- Department of Psychiatry, Medical School, University of São Paulo, São Paulo 05403-903, Brazil; (A.S.M.-d.-S.); (K.L.)
- Department of Neuroscience, Medical School, FMABC University Center, Santo André 09060-870, Brazil; (G.P.); (C.d.A.-M.P.)
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Behroozi Z, Jafarpour M, Razmgir M, Saffarpour S, Azizi H, Kheirandish A, Kosari-Rad T, Ramezni F, Janzadeh A. The effect of gabapentin and pregabalin administration on memory in clinical and preclinical studies: a meta-analysis and systematic review. BMC Psychiatry 2023; 23:262. [PMID: 37069609 PMCID: PMC10111701 DOI: 10.1186/s12888-023-04696-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 03/20/2023] [Indexed: 04/19/2023] Open
Abstract
BACKGROUND Today, gabapentinoids such as Gabapentin (GBP) and pregabalin (PGB) are widely used as painkillers. This may alter the function of the nervous system; hence their results may include a difference in memory and processes that end in memory formation. This study aims to conclude whether gabapentinoids can alter memory or not by reviewing and analyzing clinical and preclinical studies. MATERIAL AND METHODS A comprehensive search was carried out in databases including PUBMED, EMBASE, SCOPUS, and Web of Science. In the included studies, memory was measured as an outcome variable in clinical or preclinical studies. RESULT A total of 21 articles (4 clinical, 17 preclinical) were included in the meta-analysis by STATA Software. The results showed that memory changes under the influence of GBP. Both the administrated dosage and the time of administration are important in the final results and latency time of retention. GBP administration in healthy animals increased latency time, whereas if the administration of GBP took place exactly before training, the latency time increased slightly. Short-term administration of PGB in healthy volunteers is accompanied by transient side effects on the CNS. However, the number and homogeneity of the studies were not such that a meta-analysis could be performed on them. CONCLUSION Clinical and preclinical studies showed that PGB administration did not confirm its improving memory effect. GBP administration in healthy animals increased latency time and improved memory. Although it depended on the time of administration.
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Affiliation(s)
- Zahra Behroozi
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Maral Jafarpour
- The International Campus of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Razmgir
- Department of Medical Library and Information Sciences, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Sepideh Saffarpour
- Department of Microbiology, Shahr-E-Qods Branch, Islamic Azad University, Tehran, Iran
| | - Hanieh Azizi
- Medical University of Pécs Hungary, Pécs, Hungary
- BG Unfall Klinik, Frankfurt, Germany
| | - Ali Kheirandish
- Department of Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Tahereh Kosari-Rad
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Ramezni
- Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Atousa Janzadeh
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran.
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Abdelnaser M, Alaaeldin R, Attya ME, Fathy M. Hepatoprotective potential of gabapentin in cecal ligation and puncture-induced sepsis; targeting oxidative stress, apoptosis, and NF-kB/MAPK signaling pathways. Life Sci 2023; 320:121562. [PMID: 36907325 DOI: 10.1016/j.lfs.2023.121562] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/23/2023] [Accepted: 03/05/2023] [Indexed: 03/12/2023]
Abstract
AIMS Sepsis is a severe inflammatory response to infection with an incidence rate exceeding 48 million cases and 11 million sepsis-related deaths yearly. Furthermore, sepsis remains the fifth most common cause of death worldwide. The present study aimed to examine, for the first time, the potential hepatoprotective activity of gabapentin on cecal ligation and puncture (CLP)-induced sepsis in rats at the molecular level. MAIN METHODS CLP was used as a model of sepsis in male Wistar rats. Histological examination and liver functions were evaluated. Levels of MDA, GSH, SOD, IL-6, IL-1β, and TNF-α were investigated using ELISA. mRNA levels of Bax, Bcl-2, and NF-kB were assessed by qRT-PCR. Western blotting investigated the expression of ERK1/2, JNK1/2, and cleaved caspase 3 proteins. KEY FINDINGS CLP resulted in liver damage, elevated serum levels of ALT, AST, ALP, MDA, TNF-α, IL-6, and IL-1β, increased expression of ERK1/2, JNK1/2, and cleaved caspase 3 proteins, and upregulated Bax and NF-κB genes expression while it down-regulated Bcl-2 gene expression. However, gabapentin treatment significantly reduced the severity of CLP-induced biochemical, molecular, and histopathological changes. Gabapentin attenuated the levels of the proinflammatory mediators, decreased the expression of JNK1/2, ERK1/2, and cleaved caspase 3 proteins, suppressed Bax and NF-κB genes expression and increased the expression of the Bcl-2 gene. SIGNIFICANCE Consequently, Gabapentin reduced hepatic injury resulting from CLP-induced sepsis by reducing proinflammatory mediators, attenuating apoptosis, and inhibiting the intracellular MAPK (ERK1/2, JNK1/2)-NF-kB signaling pathway.
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Affiliation(s)
- Mahmoud Abdelnaser
- Department of Biochemistry, Faculty of Pharmacy, Deraya University, Minia 61111, Egypt.
| | - Rania Alaaeldin
- Department of Biochemistry, Faculty of Pharmacy, Deraya University, Minia 61111, Egypt.
| | - Mina Ezzat Attya
- Department of Pathology, Faculty of Medicine, Minia University, Minia 61519, Egypt.
| | - Moustafa Fathy
- Department of Biochemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt.
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Pregabalin for chemotherapy-induced neuropathy: background and rationale for further study. Support Care Cancer 2022; 30:8845-8853. [PMID: 35953729 DOI: 10.1007/s00520-022-07317-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 08/02/2022] [Indexed: 01/05/2023]
Abstract
Chemotherapy-induced neuropathy is difficult to manage, and the pain associated with neuropathy is poorly responsive to gabapentin in a randomized trial. Duloxetine is the only drug that has been found to be effective in reducing pain from chemotherapy neuropathy. In this qualitative review, the use of pregabalin for chemotherapy-induced neuropathy is discussed including the rationale and pharmacological reasons why pregabalin should be considered in a large, randomized placebo-controlled trial.
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Wong LS, Yen YT. Chronic Nodular Prurigo: An Update on the Pathogenesis and Treatment. Int J Mol Sci 2022; 23:ijms232012390. [PMID: 36293248 PMCID: PMC9604302 DOI: 10.3390/ijms232012390] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/05/2022] Open
Abstract
Chronic nodular prurigo (CNPG) is a recalcitrant chronic itchy disorder that affects the quality of life. It can be triggered by multiple etiologies, such as atopic dermatitis, diabetes, and chronic renal diseases. The mechanisms of CNPG are complicated and involved the interaction of the cutaneous, immune, and nervous systems. Diverse immune cells, including eosinophils, neutrophils, T cells, macrophages, and mast cells infiltrated the lesional skin of CNPG, which initiated the inflammatory cytokines and pruritogens release. In addition, the interaction between the immune cells and activated peripheral sensory nerve fibers by neurotransmitters caused neuroinflammation in the skin and intractable itch. This itch-scratch vicious cycle of CNPG results in disease exacerbation. CNPG is difficult to treat with traditional therapies. Recently, great advances have been made in the pathophysiology of both inflammation and pruritus transmission in CNPG. In this review, we summarize the updated mechanisms and novel therapies for CNPG.
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Affiliation(s)
- Lai-San Wong
- Department of Dermatology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
| | - Yu-Ta Yen
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
- Department of Dermatology, Fooyin University Hospital, Pingtung 928, Taiwan
- Correspondence: ; Tel.: +886-8-832-3146
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Henry J, Bai Y, Kreuder F, Saaristo M, Kaslin J, Wlodkowic D. Sensory-Motor Perturbations in Larval Zebrafish ( Danio rerio) Induced by Exposure to Low Levels of Neuroactive Micropollutants during Development. Int J Mol Sci 2022; 23:ijms23168990. [PMID: 36012255 PMCID: PMC9409309 DOI: 10.3390/ijms23168990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/04/2022] [Accepted: 08/10/2022] [Indexed: 11/16/2022] Open
Abstract
Due to increasing numbers of anthropogenic chemicals with unknown neurotoxic properties, there is an increasing need for a paradigm shift toward rapid and higher throughput behavioral bioassays. In this work, we demonstrate application of a purpose-built high throughput multidimensional behavioral test battery on larval stages of Danio rerio (zebrafish) at 5 days post fertilization (dpf). The automated battery comprised of the established spontaneous swimming (SS), simulated predator response (SPR), larval photomotor response (LPR) assays as well as a new thermotaxis (TX) assay. We applied the novel system to characterize environmentally relevant concentrations of emerging pharmaceutical micropollutants including anticonvulsants (gabapentin: 400 ng/L; carbamazepine: 3000 ng/L), inflammatory drugs (ibuprofen: 9800 ng/L), and antidepressants (fluoxetine: 300 ng/L; venlafaxine: 2200 ng/L). The successful integration of the thermal preference assay into a multidimensional behavioral test battery provided means to reveal ibuprofen-induced perturbations of thermal preference behaviors upon exposure during embryogenesis. Moreover, we discovered that photomotor responses in larval stages of fish are also altered by the as yet understudied anticonvulsant gabapentin. Collectively our results demonstrate the utility of high-throughput multidimensional behavioral ecotoxicity test batteries in prioritizing emerging risks associated with neuroactive drugs that can perturb neurodevelopment. Moreover, we showcase the added value of thermotaxis bioassays for preliminary screening of emerging contaminants.
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Affiliation(s)
- Jason Henry
- The Neurotox Lab, School of Science, RMIT University, Melbourne, VIC 3083, Australia
| | - Yutao Bai
- The Neurotox Lab, School of Science, RMIT University, Melbourne, VIC 3083, Australia
| | - Florian Kreuder
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - Minna Saaristo
- Environmental Protection Authority Victoria, EPA Science, Macleod, VIC 3085, Australia
| | - Jan Kaslin
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - Donald Wlodkowic
- The Neurotox Lab, School of Science, RMIT University, Melbourne, VIC 3083, Australia
- Correspondence:
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Nürnberger F, Rummel C, Ott D, Gerstberger R, Schmidt MJ, Roth J, Leisengang S. Gabapentinoids Suppress Lipopolysaccharide-Induced Interleukin-6 Production in Primary Cell Cultures of the Rat Spinal Dorsal Horn. Neuroimmunomodulation 2022; 30:1-14. [PMID: 35843206 DOI: 10.1159/000525657] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 05/18/2022] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Gabapentin and pregabalin are drugs to treat neuropathic pain. Several studies highlighted effects on presynaptic terminals of nociceptors. Via binding to α2δ subunits of voltage-gated calcium channels, gabapentinoids modulate the synaptic transmission of nociceptive information. However, recent studies revealed further properties of these substances. Treatment with gabapentin or pregabalin in animal models of neuropathic pain resulted not only in reduced symptoms of hyperalgesia but also in an attenuated activation of glial cells and decreased production of pro-inflammatory mediators in the spinal dorsal horn. METHODS In the present study, we aimed to investigate the impact of gabapentinoids on the inflammatory response of spinal dorsal horn cells, applying the established model of neuro-glial primary cell cultures of the superficial dorsal horn (SDH). We studied effects of gabapentin and pregabalin on lipopolysaccharide (LPS)-induced cytokine release (bioassays), expression of inflammatory marker genes (RT-qPCR), activation of transcription factors (immunocytochemistry), and Ca2+ responses of SDH neurons to stimulation with substance P and glutamate (Ca2+-imaging). RESULTS We detected an attenuated LPS-induced expression and release of interleukin-6 by SDH cultures in the presence of gabapentinoids. In addition, a significant main effect of drug treatment was observed for mRNA expression of microsomal prostaglandin E synthase 1 and the inhibitor of nuclear factor kappa B. Nuclear translocation of inflammatory transcription factors in glial cells was not significantly affected by gabapentinoid treatment. Moreover, both substances did not modulate neuronal responses upon stimulation with substance P or glutamate. CONCLUSION Our results provide evidence for anti-inflammatory capacities of gabapentinoids on the acute inflammatory response of SDH primary cultures upon LPS stimulation. Such effects may contribute to the pain-relieving effects of gabapentinoids.
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Affiliation(s)
- Franz Nürnberger
- Institute of Veterinary Physiology and Biochemistry, Justus Liebig University Giessen, Giessen, Germany
| | - Christoph Rummel
- Institute of Veterinary Physiology and Biochemistry, Justus Liebig University Giessen, Giessen, Germany
- Center for Mind, Brain and Behavior - CMBB, Philipps University Marburg & Justus Liebig University Giessen, Giessen, Germany
| | - Daniela Ott
- Institute of Veterinary Physiology and Biochemistry, Justus Liebig University Giessen, Giessen, Germany
| | - Rüdiger Gerstberger
- Institute of Veterinary Physiology and Biochemistry, Justus Liebig University Giessen, Giessen, Germany
| | - Martin J Schmidt
- Department of Veterinary Clinical Sciences, Small Animal Clinic - Neurosurgery, Neuroradiology and Clinical Neurology, Justus Liebig University Giessen, Giessen, Germany
| | - Joachim Roth
- Institute of Veterinary Physiology and Biochemistry, Justus Liebig University Giessen, Giessen, Germany
- Center for Mind, Brain and Behavior - CMBB, Philipps University Marburg & Justus Liebig University Giessen, Giessen, Germany
| | - Stephan Leisengang
- Institute of Veterinary Physiology and Biochemistry, Justus Liebig University Giessen, Giessen, Germany
- Center for Mind, Brain and Behavior - CMBB, Philipps University Marburg & Justus Liebig University Giessen, Giessen, Germany
- Institute of Medical Psychology and Behavioral Immunobiology, Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Hospital Essen, University of Duisburg-Essen, Essen, Germany
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Wagle Shukla A. Reduction of neuronal hyperexcitability with modulation of T-type calcium channel or SK channel in essential tremor. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2022; 163:335-355. [PMID: 35750369 DOI: 10.1016/bs.irn.2022.02.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Essential tremor is one of the most prevalent movement disorders. Propranolol and primidone are the first-line pharmacological therapies. They provide symptomatic control in less than 50% of patients. Topiramate, alprazolam, clonazepam, gabapentin, and botulinum toxin injections are the next line of treatments. These medications lead to modest improvements and are therefore commonly used as add-on agents. Surgical therapies, including deep brain stimulation (DBS) surgery and focused ultrasound beam targeted to the thalamus, are considered for treating tremor refractory to medications and lead to greater than 75% improvements in tremor symptoms. However, DBS is a costly and an invasive procedure; some patients report tolerance to benefits. Focused ultrasound therapy leading to brain lesions is associated with a possibility for permanent clinical deficits. Therefore, research efforts to develop the next generation of oral medications with greater benefits and lesser adverse effects are warranted. There is considerable evidence that the increased functions of calcium channels (P/Q-type and T-type channels) and reduced functions of calcium-activated potassium channels (SK channels) located in the neuronal membranes lead to tremor oscillations. Consequently, many new pharmacological studies have targeted these channels to leverage better clinical outcomes. The current review will discuss the pathophysiology, the specific importance of these channels, and the early clinical experience of using compounds targeting these channels to treat essential tremor.
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Affiliation(s)
- Aparna Wagle Shukla
- Department of Neurology, Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States.
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Central Neuropathic Pain Syndromes: Current and Emerging Pharmacological Strategies. CNS Drugs 2022; 36:483-516. [PMID: 35513603 DOI: 10.1007/s40263-022-00914-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/10/2022] [Indexed: 12/31/2022]
Abstract
Central neuropathic pain is caused by a disease or lesion of the brain or spinal cord. It is difficult to predict which patients will develop central pain syndromes after a central nervous system injury, but depending on the etiology, lifetime prevalence may be greater than 50%. The resulting pain is often highly distressing and difficult to treat, with no specific treatment guidelines currently available. This narrative review discusses mechanisms contributing to central neuropathic pain, and focuses on pharmacological approaches for managing common central neuropathic pain conditions such as central post-stroke pain, spinal cord injury-related pain, and multiple sclerosis-related neuropathic pain. Tricyclic antidepressants, serotonin-norepinephrine reuptake inhibitors, and gabapentinoids have some evidence for efficacy in central neuropathic pain. Medications from other pharmacologic classes may also provide pain relief, but current evidence is limited. Certain non-pharmacologic approaches, neuromodulation in particular, may be helpful in refractory cases. Emerging data suggest that modulating the primary afferent input may open new horizons for the treatment of central neuropathic pain. For most patients, effective treatment will likely require a multimodal therapy approach.
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Athanassoglou V, Cozowicz C, Zhong H, Illescas A, Poeran J, Liu J, Poultsides L, Memtsoudis SG. Association of perioperative midazolam use and complications: a population-based analysis. Reg Anesth Pain Med 2022; 47:228-233. [PMID: 35022262 DOI: 10.1136/rapm-2021-102989] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 12/29/2021] [Indexed: 12/18/2022]
Abstract
INTRODUCTION The benzodiazepine midazolam is the main sedative used in the perioperative setting, resulting in anxiolysis and a reduction in anesthetic dose requirements. However, benzodiazepine use is also associated with potentially serious side effects including respiratory complications, and postoperative delirium (POD). A paucity of population level data exists on current perioperative midazolam use in adult orthopedic surgery and its effects on complications. Using a large national dataset, we aimed to determine perioperative midazolam utilization patterns and to analyze its effect on postoperative outcomes. METHODS Patients who underwent total knee and hip arthroplasty (TKA/THA) were identified from Premier database (2006-2019). Primary exposure of interest was midazolam use on the day of surgery. Multivariable logistic regression models were run to determine if midazolam was associated with postoperative cardiac and pulmonary complications, delirium, and in-hospital falls. RESULTS Among 2,848,897 patients, more than 75% received midazolam perioperatively. This was associated with increased adjusted odds for in-hospital falls in TKA/THA (OR 1.1, 95% CI 1.07 to 1.14)/(OR 1.1, 95% CI 1.06 to 1.16), while a decrease in the adjusted odds for cardiac complications in TKA/THA (OR 0.94, 95% CI 0.91 to 0.97)/(OR 0.93, 95% CI 0.89 to 0.97), and pulmonary complications (OR 0.92, 95% CI 0.87 to 0.96) (all p<0.001) was seen. Most notably, the concurrent use of midazolam and gabapentinoids significantly increased the adjusted odds for postoperative complications, including pulmonary complications (OR 1.22, 95% CI 1.18 to 1.27)/(OR 1.29, 95% CI 1.22 to 1.37), naloxone utilization (OR 1.56, 95% CI 1.51 to 1.60)/(OR 1.49, 95% CI 1.42 to 1.56), and POD (OR 1.45, 95% CI 1.38 to 1.52)/(OR 1.32, 95% CI 1.23 to 1.34) in THA/TKA. CONCLUSION Perioperative midazolam use was associated with an increase in postoperative patient falls, and a decrease in cardiac complications. Notably, the combined use of midazolam and gabapentinoids was associated with a substantial increase in the odds for respiratory failure and delirium. Given the high prevalence of benzodiazepines perioperatively, the risk benefit profile should be more clearly established to inform perioperative decision making.
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Affiliation(s)
- Vassilis Athanassoglou
- Nuffield Department of Anaesthesia, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Crispiana Cozowicz
- Department of Anesthesiology, Perioperative Medicine and Intensive Care Medicine, Paracelsus Medical University, Salzburg, Austria
| | - Haoyan Zhong
- Department of Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA
| | - Alex Illescas
- Department of Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA
| | - Jashvant Poeran
- Institute for Healthcare Delivery Science, Department of Population Health Science & Policy / Orthopedics, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Jiabin Liu
- Department of Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA.,Department of Anesthesiology, Weill Cornell Medicine, New York, NY, USA
| | - Lazaros Poultsides
- Academic Orthopaedic Department, Papageorgiou General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.,Centre of Orthopaedics and Regenerative Medicine (C.O.RE.) - Centre of Interdisciplinary Research and Innovation (C.I.R.I.), Aristotle University, Thessaloniki, Greece
| | - Stavros G Memtsoudis
- Department of Anesthesiology, Perioperative Medicine and Intensive Care Medicine, Paracelsus Medical University, Salzburg, Austria .,Department of Anesthesiology, Critical Care & Pain Management, Hospital for Special Surgery, New York, New York, USA.,Department of Anesthesiology, Weill Cornell Medicine, New York, NY, USA.,Department of Health Policy and Research, Weill Cornell Medical College, New York, New York, USA
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Kruszka M, Graff E, Medam T, Masson S. Clinical evaluation of the effects of a single oral dose of gabapentin on fear-based aggressive behaviors in cats during veterinary examinations. J Am Vet Med Assoc 2021; 259:1285-1291. [PMID: 34727056 DOI: 10.2460/javma.20.06.0307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To investigate the effects of a single oral dose of gabapentin on fear-based aggressive behaviors (FABs) in cats during veterinary examinations. ANIMALS 55 healthy pet cats (26 with and 29 without a history of FAB during veterinary visits [FAB and untreated control groups, respectively]). PROCEDURES A standardized 9-step clinical examination protocol (with patient compliance scored from 0 to 9 according to the highest completed step) was tested on untreated control group cats. The protocol was then used in a double-blind, randomized, placebo-controlled, crossover-design trial in which FAB-group cats received owner-administered gabapentin (100 or 200 mg/cat) or placebo capsules 2 hours before the first of 2 veterinary visits and received the alternate treatment before the second visit ≥ 1 day later. Ease of administration (scored from 1 [very difficult] to 4 [very easy]) and adverse effects were recorded. Compliance scores were compared between treatments for the FAB group and between FAB and untreated control groups. Changes in scores between treatments for the FAB group were used to investigate associations between selected variables and the outcome of interest. RESULTS FAB group compliance scores after gabapentin administration (median, 9; range, 0 to 9) were significantly higher than scores after placebo administration (median 0.5; range, 0 to 7) and did not differ from scores for the untreated control group. Owner scores indicated capsule administration was easy. Adverse effects (most commonly drowsiness, myorelaxation, and ataxia) resolved ≤ 10 hours after detection. CONCLUSIONS AND CLINICAL RELEVANCE Results suggested oral administration of gabapentin to cats 2 hours before a veterinary visit can reduce FAB during physical examination, enabling more complete evaluation.
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Iacovides S, Kamerman P, Baker FC, Mitchell D. Why It Is Important to Consider the Effects of Analgesics on Sleep: A Critical Review. Compr Physiol 2021; 11:2589-2619. [PMID: 34558668 DOI: 10.1002/cphy.c210006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We review the known physiological mechanisms underpinning all of pain processing, sleep regulation, and pharmacology of analgesics prescribed for chronic pain. In particular, we describe how commonly prescribed analgesics act in sleep-wake neural pathways, with potential unintended impact on sleep and/or wake function. Sleep disruption, whether pain- or drug-induced, negatively impacts quality of life, mental and physical health. In the context of chronic pain, poor sleep quality heightens pain sensitivity and may affect analgesic function, potentially resulting in further analgesic need. Clinicians already have to consider factors including efficacy, abuse potential, and likely side effects when making analgesic prescribing choices. We propose that analgesic-related sleep disruption should also be considered. The neurochemical mechanisms underlying the reciprocal relationship between pain and sleep are poorly understood, and studies investigating sleep in those with specific chronic pain conditions (including those with comorbidities) are lacking. We emphasize the importance of further work to clarify the effects (intended and unintended) of each analgesic class to inform personalized treatment decisions in patients with chronic pain. © 2021 American Physiological Society. Compr Physiol 11:1-31, 2021.
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Affiliation(s)
- Stella Iacovides
- Brain Function Research Group, School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Peter Kamerman
- Brain Function Research Group, School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Fiona C Baker
- Brain Function Research Group, School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.,Human Sleep Research Program, SRI International, Menlo Park, California, USA
| | - Duncan Mitchell
- Brain Function Research Group, School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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22
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Reversible Cerebral Vasoconstriction Syndrome Associated With Fluoxetine. J Acad Consult Liaison Psychiatry 2021; 62:634-644. [PMID: 34371244 DOI: 10.1016/j.jaclp.2021.07.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 06/28/2021] [Accepted: 07/29/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND Reversible cerebral vasoconstriction syndrome (RCVS) is an increasingly recognized neurological syndrome that typically presents with a severe headache. The proposed etiology is transient and segmental constriction of cerebral arteries, which in severe cases can lead to cerebral ischemia. Multiple case reports have been identified associating the use of serotonergic medications with this syndrome. OBJECTIVE A review of the literature describing RCVS in patients taking selective serotonin reuptake inhibitors and other serotonergic medications is summarized. This report also describes the case of a 32-year-old woman with a complicated psychiatric history diagnosed with RCVS who presented with progressive cerebral ischemia despite intensive medical intervention. Ischemic progression did not relent until her home medication fluoxetine was recognized as the likely etiology and discontinued. The psychiatric management of this patient is described after fluoxetine was discontinued. Other potential psychiatric treatments for patients with a history of RCVS are discussed. METHODS A literature search was performed using PubMed with the following keywords: antidepressant, selective serotonin reuptake inhibitor, serotonin, fluoxetine, reversible cerebral vasoconstriction syndrome, RCVS, and Call-Fleming syndrome. RESULTS Fifteen patients were identified to have RCVS with associated use of serotonergic medications from 10 case reports published between 2002 and 2019. CONCLUSIONS It is important for psychiatrists to recognize the syndrome of RCVS in patients presenting with headache and ischemia due to the possibility of this syndrome being a rare but iatrogenic complication of a common psychiatric medication class. Additionally, identification of safe alternative treatments for patients with psychiatric illness who would otherwise be candidates for serotonergic medications is an important consideration for individuals affected by this disorder.
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Abstract
Symptomatic neuromas and chronic neuropathic pain are significant problems affecting patients' quality of life and independence that are challenging to treat. These symptoms are due to structural and functional changes that occur peripherally within neuromas, as well as alterations that occur centrally within the brain and spinal cord. A multimodal approach is most effective, with goals to minimize opioid use, to capitalize on the synergistic effects of nonopioid medications and to explore potential benefits of novel adjunctive treatments.
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Affiliation(s)
- Yusha Liu
- Department of Surgery, University of Washington, 325 9th Avenue, 7 CT 70, MS 359796, Seattle, WA 98104, USA
| | - Dennis S Kao
- Department of Surgery, University of Washington, 325 9th Avenue, 7 CT 70, MS 359796, Seattle, WA 98104, USA.
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24
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Selvido DI, Bhattarai BP, Rokaya D, Niyomtham N, Wongsirichat N. Pain in Oral and Maxillofacial Surgery and Implant Dentistry: Types and Management. Eur J Dent 2021; 15:588-598. [PMID: 34041732 PMCID: PMC8382502 DOI: 10.1055/s-0041-1725212] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Over the years, the pain has been defined numerous times in several ways. In oral and maxillofacial surgery, the occurrence of pain, especially postoperatively, is anticipated. Pain arises as a combination of various processes after tissue damage. Distinct pain experiences in oral surgery were depicted in several previous studies, adding knowledge to the field. The management of these encounters has been suggested over time, improving treatment approaches in the clinical setting. This review aims to understand the pain and its types and intervention in the field of oral and maxillofacial surgery.
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Affiliation(s)
- Diane Isabel Selvido
- Department of Clinical Dentistry, Walailak University International College of Dentistry, Walailak University, Bangkok, Thailand
| | - Bishwa Prakash Bhattarai
- Department of Clinical Dentistry, Walailak University International College of Dentistry, Walailak University, Bangkok, Thailand
| | - Dinesh Rokaya
- Department of Clinical Dentistry, Walailak University International College of Dentistry, Walailak University, Bangkok, Thailand
| | - Nattisa Niyomtham
- Department of Clinical Dentistry, Walailak University International College of Dentistry, Walailak University, Bangkok, Thailand
| | - Natthamet Wongsirichat
- Department of Clinical Dentistry, Walailak University International College of Dentistry, Walailak University, Bangkok, Thailand
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25
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Wachtendorf LJ, Schaefer MS, Santer P, Azimaraghi O, Obeidat SS, Friedrich S, Zucco L, Woo A, Nabel S, Sundar E, Eikermann M, Ramachandran SK. Association between preoperative administration of gabapentinoids and 30-day hospital readmission: A retrospective hospital registry study. J Clin Anesth 2021; 73:110376. [PMID: 34098392 DOI: 10.1016/j.jclinane.2021.110376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 04/28/2021] [Accepted: 04/30/2021] [Indexed: 10/21/2022]
Abstract
STUDY OBJECTIVE To evaluate the effectiveness of preoperative gabapentinoid administration. DESIGN Retrospective hospital registry study. SETTING Tertiary referral center (Boston, MA). PATIENTS 111,008 adult non-emergency, non-cardiac surgical patients between 2014 and 2018. INTERVENTIONS Preoperative administration of gabapentinoids (gabapentin or pregabalin). MEASUREMENTS We tested the primary hypothesis that preoperative gabapentinoid use was associated with lower odds of hospital readmission within 30 days. Contingent on this hypothesis, we examined whether lower intraoperative opioid utilization mediated this effect. Secondary outcome was postoperative respiratory complications. MAIN RESULTS Gabapentinoid administration was associated with lower odds of readmission (adjusted odds ratio [ORadj] 0.80 [95% CI, 0.75-0.85]; p < 0.001). This effect was in part mediated by lower intraoperative opioid utilization in patients receiving gabapentinoids (8.2% [2.4-11.5%]; p = 0.012). Readmissions for gastrointestinal disorders (ORadj 0.74 [0.60-0.90]; p = 0.003), neuro-psychiatric complications (ORadj 0.66 [0.49-0.87]; p = 0.004), non-surgical site infections (ORadj 0.68 [0.52-0.88; p = 0.004) and trauma or poisoning (ORadj 0.25 [0.16-0.41]; p < 0.001) occurred less frequently in patients receiving gabapentinoids. The risk of postoperative respiratory complications was lower in patients receiving gabapentinoids (ORadj 0.77 [0.70-0.85]; p < 0.001). Lower doses of pregabalin (< 75 mg) and gabapentin (< 300 mg) compared to both, no and high-dose administration of gabapentinoids, were associated with a lower risk of postoperative respiratory complications (ORadj 0.61 [0.50-0.75]; p < 0.001 and ORadj 0.70 [0.53-0.92]; p = 0.012, respectively). These lower gabapentinoid doses prevented 30-day readmission (ORadj 0.74 [0.65-0.85]; p < 0.001). The results were robust in several sensitivity analyses including surgical procedure defined subgroups and patients undergoing ambulatory surgery. CONCLUSIONS The preoperative use of pregabalin and gabapentin, up to doses of 75 and 300 mg respectively, mitigates the risks of hospital readmission and postoperative respiratory complications which can in part be explained by lower intraoperative opioid use. Further research is warranted to elucidate mechanisms of the preventive action.
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Affiliation(s)
- Luca J Wachtendorf
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Department of Anesthesiology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA.
| | - Maximilian Sebastian Schaefer
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Department of Anesthesiology, Duesseldorf University Hospital, Duesseldorf, Germany.
| | - Peter Santer
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Omid Azimaraghi
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Department of Anesthesiology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA.
| | - Salameh Sameh Obeidat
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Sabine Friedrich
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Liana Zucco
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Albert Woo
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Sarah Nabel
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Eswar Sundar
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Matthias Eikermann
- Department of Anesthesiology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA; Klinik für Anästhesiologie und Intensivmedizin, Universität Duisburg-Essen, Essen, Germany.
| | - Satya Krishna Ramachandran
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
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Tavares MP, Bahmad F. Analysis of Gabapentin's Efficacy in Tinnitus Treatment: A Systematic Review. Ann Otol Rhinol Laryngol 2021; 131:303-311. [PMID: 34036823 DOI: 10.1177/00034894211018921] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES Tinnitus can be a chronic symptom that brings disability and distress. Some studies suggested that gabapentin might be effective on tinnitus relief. The objective of the study is to perform a systematic review in order to evaluate the efficacy of oral gabapentin in patients with tinnitus. METHODS A literature search was conducted in English and following the recommendations from PRISMA. The terms used were: ("tinnitus" OR "subjective tinnitus") AND ("gabapentin"). The study selection was performed following the eligibility criteria in accordance to the PICOS (population, intervention, comparison, outcome, study design) strategy-patients with tinnitus; oral gabapentin; placebo; reduction of tinnitus severity questionnaires scores; prospective, double-blind, randomized controlled trial, respectively. The selected studies were included in qualitative synthesis. The studies were analyzed according to Joanna Briggs Institute's critical appraisal checklist for randomized controlled trials. RESULTS One hundred twenty-one studies were found in 9 databases and 8 studies were found in gray literature. After study selection, 6 articles were read in full. Then, 2 studies were excluded and 4 were included in qualitative synthesis. All 4 articles were analyzed according to critical evaluation checklist. CONCLUSIONS There is insufficient evidence to recommend the use of gabapentin for patients with tinnitus.
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27
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Moore L, Norwood C, Stackhouse R, Nguyen K, Brown W, Sevak RJ. Gabapentin reduces postoperative pain and opioid consumption in patients who underwent lumbar laminectomy. J Am Pharm Assoc (2003) 2021; 61:e78-e83. [PMID: 34024754 DOI: 10.1016/j.japh.2021.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 04/22/2021] [Accepted: 05/02/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Postoperative pain management solely with opioids elevates the risk of opioid-related adverse events during hospitalization and after discharge from the hospital. Clinical trials have demonstrated gabapentinoids as viable adjunctive treatments for spinal surgeries. However, only a few practice-based studies have examined the efficacy of gabapentin as an opioid-sparing agent for patients undergoing lumbar laminectomy in rural hospital settings. OBJECTIVE To determine the effects of gabapentin on opioid consumption and pain perception in patients who underwent lumbar laminectomy at a rural community hospital. METHODS Data were collected by retrospective chart reviews of 99 patients who underwent lumbar laminectomy at Yavapai Regional Medical Center from January 1, 2017, to July 1, 2019. The patients were stratified into 2 groups: those who were taking gabapentin as outpatients before surgery and were continued on the same dose postoperatively (n = 50, gabapentin group) and those who were not taking gabapentin preoperatively or postoperatively (n = 49, usual-treatment group). The primary end points were opioid consumption in morphine milligram equivalents (MME) and pain for 24 hours postsurgery. RESULTS Outcomes from the mixed-model analysis of variance showed significant main effects of group and time for opioid consumption in MME (F1,97 = 4.3, P < 0.05 and F3,291 = 133.9, P < 0.001, respectively) and numerical pain scale scores (F1,99 = 4.0, P < 0.05 and F3,241 = 21.4, P < 0.001, respectively) and group-time interaction for opioid consumption in MME (F3,291 = 2.6, P = 0.05). Post hoc analyses showed that opioid consumption in MME was significantly lower in the gabapentin group than in the usual-treatment group for the first 6 hours postoperatively. The pain scores were significantly lower in the gabapentin group than in the usual-treatment group across all time periods. CONCLUSION Patients on gabapentin showed reductions in pain perception and postoperative opioid consumption. The results extend the findings from randomized trials to a real-world clinical setting. These data support using gabapentin in conjunction with opioids for pain management of patients undergoing lumbar laminectomy.
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28
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Motavallian A, Bouzari S, Zamani E, Karimian P, Dabirian S, Molavi M, Torshkooh FA. An investigation of the anti-inflammatory effects of gabapentin on acetic acid-induced colitis in rats. Mol Biol Rep 2021; 48:3423-3430. [PMID: 33928442 DOI: 10.1007/s11033-021-06357-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 04/16/2021] [Indexed: 12/31/2022]
Abstract
Inflammatory bowel disease (IBD) is considered a chronic inflammatory gastrointestinal disease with treatment options which exhibit low efficacies and lead to considerable side effects. Hence, the challenge to alleviate IBD complications is remained to be resolved. The purpose of this study is evaluating anti-inflammatory impacts of gabapentin on acetic acid-induced colitis in rats. Colitis was induced by the instillation of 2 mL of 3% acetic acid solution into rat's colons. Rats were randomly allocated into six groups including normal group, colitis control group, gabapentin-treated groups (25, 50, and 100 mg/kg; i.p.), and dexamethasone-treated group (1 mg/kg; i.p.). Based on the macroscopic assessment besides histological and biochemical findings [myeloperoxidase (MPO), pro-inflammatory cytokines], the efficacy of gabapentin was investigated. Gabapentin (50 and 100 mg/kg), and dexamethasone considerably reduced macroscopic and microscopic colonic lesions induced by acetic acid in rats in comparison with colitis control group. These results were confirmed by reduced levels of MPO activity and colonic concentrations of interleukin-6, interleukin-1 beta, and tumor necrosis factor-alpha, in inflamed colon tissue. Our data demonstrated that gabapentin exerts profitable impacts in experimental colitis that might be ascribed to its anti-inflammatory features and thus can be a potential therapeutic agent for IBD treatment.
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Affiliation(s)
- Azadeh Motavallian
- Department of Pharmacology and Toxicology, School of Pharmacy, Guilan University of Medical Sciences, Rasht, Iran. .,Rhino-Sinus, Ear, and Skull Base Diseases Research Center, Department of Otolaryngology and Head and Neck Surgery, Amiralmomenin Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran.
| | - Saba Bouzari
- Student Research Committee, School of Pharmacy, Guilan University of Medical Sciences, Rasht, Iran
| | - Ehsan Zamani
- Department of Pharmacology and Toxicology, School of Pharmacy, Guilan University of Medical Sciences, Rasht, Iran
| | - Paridokht Karimian
- Department of Pathology and Histology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Sara Dabirian
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Guilan University of Medical Sciences, Rasht, Iran
| | - Mehdi Molavi
- Department of Internal Medicine, School of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Forough Aghajani Torshkooh
- Department of Pharmacology and Toxicology, School of Pharmacy, Guilan University of Medical Sciences, Rasht, Iran
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Ahmad N, Subhan F, Islam NU, Shahid M, Ullah N, Ullah R, Akbar S, Amin MU, Khurram M, Ullah I, Sewell RDE. A novel gabapentin analogue assuages neuropathic pain response in chronic sciatic nerve constriction model in rats. Behav Brain Res 2021; 405:113190. [PMID: 33607164 DOI: 10.1016/j.bbr.2021.113190] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 02/11/2021] [Accepted: 02/11/2021] [Indexed: 01/19/2023]
Abstract
Gabapentin (GBP) is an established drug that has been used in the management of symptoms of neuropathy but it is associated with unwanted side effects such as sedation and motor incoordination. The goal of the study was to find out a drug with greater efficacy and safety for the treatment of neuropathic pain. Our previously synthesized GABA analogue (Gabapentsal, GPS) was tested (25-100 mg/kg, i.p) in chronic constriction injury (CCI) induced nociceptive model of static allodynia, dynamic allodynia, thermal hyperalgesia, mechanical hyperalgesia and cold allodynia in rats (Sprague Dawley). Open field and rotarod tests were performed to assess the impact of GPS on the motor performance of the animals. GBP (100 mg/kg, i.p) was used as a standard for comparison. GPS dose dependently reduced static (P <0.001) and dynamic allodynia (P <0.001), thermal hyperalgesia (P <0.001), mechanical hyperalgesia (P < 0.001) and cold allodynia (P < 0.001). In comparison to GBP, GPS failed to alter any significantly the motor performance of rats in both the open field and rotarod assays. These results suggest that GPS is effective in alleviating nociception in CCI neuropathic pain model but free from the side effect of motor discoordination seen in the treatment with GBP. In conclusion, GPS may prove to be a prospectively more effective and safer option in the management of neuropathic syndromes.
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Affiliation(s)
- Nisar Ahmad
- Islam College of Pharmacy, Sialkot, Pakistan.
| | - Fazal Subhan
- Department of Pharmacy, CECOS University of IT and Emerging Sciences, Peshawar, Pakistan.
| | - Nazar Ul Islam
- Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar, Pakistan.
| | - Muhammad Shahid
- Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar, Pakistan.
| | | | - Rahim Ullah
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan.
| | - Shehla Akbar
- Department of Pharmacy, CECOS University of IT and Emerging Sciences, Peshawar, Pakistan.
| | | | - Muhammad Khurram
- Department of Pharmacy, Abasyn University Peshawar, Peshawar, Pakistan.
| | - Ihsan Ullah
- Department of Pharmacy, University of Swabi, Swabi, Pakistan.
| | - Robert D E Sewell
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, CF103NB, UK.
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Egbu E, Ihemedu C, Eze UA, Nwajei C, Ikponmwosa M. Steroid-Induced Hiccups in a Patient Managed for Pseudo Foster-Kennedy Syndrome: A Case Report of Good Outcome With the use of Gabapentin. Cureus 2021; 13:e12893. [PMID: 33643737 PMCID: PMC7903257 DOI: 10.7759/cureus.12893] [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: 11/15/2022] Open
Abstract
The use of IV methylprednisolone has been shown to be associated with some adverse effects. The most feared side effect is acute gastrointestinal perforation and accelerated hypertension particularly during pulse therapy. Hiccups occur less frequently but can cause high levels of discomfort to the patient. In intractable cases, respiratory arrest and death can occur. This article reports the occurrence of hiccups in a patient managed for pseudo Foster-Kennedy syndrome. The hiccups were observed shortly after IV methylprednisolone was administered to the patient and abetted over a period of one week after it was discontinued. Hiccups occur through the neuronal pathway of the hiccup reflex arc, comprising the vagus nerve, phrenic nerve, parts of the sympathetic nervous system (T6-T12), and efferent fibers from the phrenic nerve that supply the glottis and the accessory muscles of respiration. The hiccups resolved with the use of gabapentin. This case report aims to add to the existing body of knowledge of the efficacy of gabapentin in the management of hiccups.
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Affiliation(s)
- Ejike Egbu
- Ophthalmology, Lily Hospitals Limited, Warri, NGA
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31
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Fantinati M, Trnka J, Signor A, Dumond S, Jourdan G, Verwaerde P, Priymenko N. Appetite-stimulating effect of gabapentin vs mirtazapine in healthy cats post-ovariectomy. J Feline Med Surg 2020; 22:1176-1183. [PMID: 32462966 PMCID: PMC10814375 DOI: 10.1177/1098612x20916391] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVES The aim of the study was to evaluate the appetite-stimulating effect of gabapentin by comparing it with mirtazapine in healthy cats in the first 8 h after ovariectomy surgery. METHODS This double-masked, placebo-controlled, prospective clinical trial included 60 healthy cats presented to the hospital for ovariectomy: 20 received gabapentin, 21 received mirtazapine and 19 received a placebo immediately before and 6 h after surgery. Food was offered at 2, 4, 6 and 8 h post-ovariectomy. After each meal, food intake was measured. Data were analysed using repeated-measure ANOVA and a linear mixed-model analysis. Post-hoc Tukey's honest significant difference test was performed for multiple comparisons. RESULTS Food intake increased in both treatment groups vs placebo. No statistically significant difference was found between cats treated with gabapentin or mirtazapine. CONCLUSIONS AND RELEVANCE Cats receiving gabapentin ate more than cats in the placebo group. Thirty percent of cats in the gabapentin group covered their resting energy requirements, while none of the cats in the placebo group did. Gabapentin and mirtazapine produced similar effects on food intake.
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Affiliation(s)
- Marco Fantinati
- Nutrition Department, National Veterinary School of Toulouse (ENVT), Toulouse, France
| | - Julien Trnka
- Nutrition Department, National Veterinary School of Toulouse (ENVT), Toulouse, France
| | - Amélia Signor
- Nutrition Department, National Veterinary School of Toulouse (ENVT), Toulouse, France
| | - Séverine Dumond
- Anaesthesia Department, National Veterinary School of Toulouse (ENVT), Toulouse, France
| | - Géraldine Jourdan
- Anaesthesia Department, National Veterinary School of Toulouse (ENVT), Toulouse, France
| | - Patrick Verwaerde
- Emergency, Critical Care and Anaesthesia Department, National Veterinary School of Alfort (ENVA), Maisons-Alfort, France
| | - Nathalie Priymenko
- Nutrition Department, National Veterinary School of Toulouse (ENVT), Toulouse, France
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Ahmed AM, Hassan OG, Khalifa AA. Gabapentin as an adjuvant therapy to splinting in carpal tunnel syndrome (CTS): a systematic review and meta-analysis of randomized controlled trials. THE EGYPTIAN JOURNAL OF NEUROLOGY, PSYCHIATRY AND NEUROSURGERY 2020. [DOI: 10.1186/s41983-020-00237-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Carpal tunnel syndrome (CTS) is a common upper limb entrapment neuropathy; severe cases are treated surgically and mild to moderate can be managed conservatively. The purpose of this systematic review and meta-analysis was to define the efficacy of gabapentin as an adjuvant to splinting in the treatment of mild to moderate CTS.
Methods
A systematic search through 13 databases, randomized clinical trials (RCTs) reporting the use of gabapentin with splinting in CTS were included and analyzed.
Results
Three RCTs including 170 patients were eligible. There was no significant difference between gabapentin plus splinting and splinting alone in 5 measured parameters: (1) Symptom Severity Scale (SSS) [MD (95% CI) = − 0.76 (− 2.46–0.93), p = 0.378], (2) Functional Status Scale (FSS) [MD (95% CI) = − 0.23 (− 1.40–0.94), p = 0.701], (3) visual analogue scale (VAS) to assess pain [MD (95% CI) = − 0.6 (− 1.47–0.27), p = 0.174], (4) Grip strength [MD (95% CI) = − 0.11 (− 0.70–0.48), p = 0.718], and (5) pinch strength [MD (95% CI) = 0.72 (− 0.10–1.54), p = 0.083].
Conclusion
This review provides low-quality evidence that gabapentin plus nocturnal splinting is not superior to splinting alone. More high-quality trials are needed to determine the role of this drug as an adjuvant in the management of CTS.
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González-Sanmiguel J, Burgos CF, Bascuñán D, Fernández-Pérez EJ, Riffo-Lepe N, Boopathi S, Fernández-Pérez A, Bobadilla-Azócar C, González W, Figueroa M, Vicente B, Aguayo LG. Gabapentin Inhibits Multiple Steps in the Amyloid Beta Toxicity Cascade. ACS Chem Neurosci 2020; 11:3064-3076. [PMID: 32886489 DOI: 10.1021/acschemneuro.0c00414] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Oligomeric β-amyloid peptide (Aβ) is one of the main neurotoxic agents of Alzheimer's disease (AD). Oligomers associate to neuronal membranes, forming "pore-like" structures that cause intracellular calcium and neurotransmitter dyshomeostasis, leading to synaptic failure and death. Through molecular screening targeting the C terminal region of Aβ, a region involved in the toxic properties of the peptide, we detected an FDA approved compound, gabapentin (GBP), with neuroprotective effects against Aβ toxicity. At micromolar concentrations, GBP antagonized peptide aggregation over time and reduced the Aβ absorbance plateau to 28% of control. In addition, GBP decreased Aβ association to membranes by almost half, and the effects of Aβ on intracellular calcium in hippocampal neurons were antagonized without causing effects on its own. Finally, we found that GBP was able to block the synaptotoxicity induced by Aβ in hippocampal neurons, increasing post-synaptic currents from 1.7 ± 0.9 to 4.2 ± 0.7 fC and mean relative fluorescence intensity values of SV2, a synaptic protein, from 0.7 ± 0.09 to 1.00 ± 0.08. The results show that GBP can interfere with Aβ-induced toxicity by blocking multiple steps, resulting in neuroprotection, which justifies advancing toward additional animal and human studies.
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Affiliation(s)
- Juliana González-Sanmiguel
- Laboratory of Neurophysiology, Department of Physiology, Universidad de Concepción, Concepción 4030000, Chile
| | - Carlos F. Burgos
- Laboratory of Neurophysiology, Department of Physiology, Universidad de Concepción, Concepción 4030000, Chile
| | - Denisse Bascuñán
- Laboratory of Neurophysiology, Department of Physiology, Universidad de Concepción, Concepción 4030000, Chile
| | - Eduardo J. Fernández-Pérez
- Laboratory of Neurophysiology, Department of Physiology, Universidad de Concepción, Concepción 4030000, Chile
| | - Nicolás Riffo-Lepe
- Laboratory of Neurophysiology, Department of Physiology, Universidad de Concepción, Concepción 4030000, Chile
| | - Subramanian Boopathi
- The Center for Bioinformatics and Molecular Simulations (CBSM), Universidad de Talca, Talca 3460000, Chile
| | | | - Catalina Bobadilla-Azócar
- Laboratory of Neurophysiology, Department of Physiology, Universidad de Concepción, Concepción 4030000, Chile
| | - Wendy González
- The Center for Bioinformatics and Molecular Simulations (CBSM), Universidad de Talca, Talca 3460000, Chile
- Millennium Nucleus of Ion Channels-Associated Diseases (MiNICAD), Universidad de Talca, Talca 3460000, Chile
| | - Maximiliano Figueroa
- Laboratory of Molecular Biophysics, Department of Biochemistry and Molecular Biology, Universidad de Concepción, Concepción 4030000, Chile
| | - Benjamín Vicente
- Department of Psychiatry and Mental Health, Universidad de Concepcion, Concepción 4030000, Chile
- Program on Neuroscience, Psychiatry and Mental Health, Universidad de Concepcion, Concepción 4030000, Chile
| | - Luis G. Aguayo
- Laboratory of Neurophysiology, Department of Physiology, Universidad de Concepción, Concepción 4030000, Chile
- Program on Neuroscience, Psychiatry and Mental Health, Universidad de Concepcion, Concepción 4030000, Chile
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Jha M, Alam O, Naim MJ, Sharma V, Bhatia P, Sheikh AA, Nawaz F, Alam P, Manaithiya A, Kumar V, Nazar S, Siddiqui N. Recent advancement in the discovery and development of anti-epileptic biomolecules: An insight into structure activity relationship and Docking. Eur J Pharm Sci 2020; 153:105494. [PMID: 32730845 DOI: 10.1016/j.ejps.2020.105494] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/20/2020] [Accepted: 07/27/2020] [Indexed: 12/22/2022]
Abstract
Although there have been many advancements in scientific research and development, the cause of epilepsy still remains an open challenge. In spite of high throughput research in the field of anti-epileptic drugs, efficacy void is still prevalent before the researchers. Researchers have persistently been exploring all the possibilities to curb undesirable side effects of the anti-epileptic drugs or looking for a more substantial approach to diminish or cure epilepsy. The drug development has shown a hope to medicinal chemists and researchers to carry further research by going through a substantial literature survey. This review article attempts to describe the recent developments in the anti-epileptic agents, pertaining to different molecular scaffolds considering their structure-activity relationship, docking studies and their mechanism of actions.
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Affiliation(s)
- Mukund Jha
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Ozair Alam
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India.
| | - Mohd Javed Naim
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Vrinda Sharma
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Parth Bhatia
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Aadil Ahmad Sheikh
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Farah Nawaz
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Perwaiz Alam
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Ajay Manaithiya
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Vivek Kumar
- Department of Cardiology, Fortis Heart Institute, New Delhi, 110025, India
| | - Shagufi Nazar
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Nadeem Siddiqui
- Medicinal Chemistry and Molecular Modelling Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
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Wobst HJ, Mack KL, Brown DG, Brandon NJ, Shorter J. The clinical trial landscape in amyotrophic lateral sclerosis-Past, present, and future. Med Res Rev 2020; 40:1352-1384. [PMID: 32043626 PMCID: PMC7417284 DOI: 10.1002/med.21661] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 12/08/2019] [Accepted: 01/27/2020] [Indexed: 12/11/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease marked by progressive loss of muscle function. It is the most common adult-onset form of motor neuron disease, affecting about 16 000 people in the United States alone. The average survival is about 3 years. Only two interventional drugs, the antiglutamatergic small-molecule riluzole and the more recent antioxidant edaravone, have been approved for the treatment of ALS to date. Therapeutic strategies under investigation in clinical trials cover a range of different modalities and targets, and more than 70 different drugs have been tested in the clinic to date. Here, we summarize and classify interventional therapeutic strategies based on their molecular targets and phenotypic effects. We also discuss possible reasons for the failure of clinical trials in ALS and highlight emerging preclinical strategies that could provide a breakthrough in the battle against this relentless disease.
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Affiliation(s)
- Heike J Wobst
- Neuroscience, BioPharmaceuticals R&D, AstraZeneca, Boston, Massachusetts
| | - Korrie L Mack
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
- Merck & Co, Inc, Kenilworth, New Jersey
| | - Dean G Brown
- Hit Discovery, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Boston, Massachusetts
| | - Nicholas J Brandon
- Neuroscience, BioPharmaceuticals R&D, AstraZeneca, Boston, Massachusetts
| | - James Shorter
- Department of Biochemistry and Biophysics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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The Lisbon Supramolecular Green Story: Mechanochemistry towards New Forms of Pharmaceuticals. MOLECULES (BASEL, SWITZERLAND) 2020; 25:molecules25112705. [PMID: 32545242 PMCID: PMC7321153 DOI: 10.3390/molecules25112705] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/31/2020] [Accepted: 06/05/2020] [Indexed: 01/23/2023]
Abstract
This short review presents and highlights the work performed by the Lisbon Group on the mechanochemical synthesis of active pharmaceutical ingredients (APIs) multicomponent compounds. Here, we show some of our most relevant contributions on the synthesis of supramolecular derivatives of well-known commercial used drugs and the corresponding improvement on their physicochemical properties. The study reflects, not only our pursuit of using crystal engineering principles for the search of supramolecular entities, but also our aim to correlate them with the desired properties. The work also covers our results on polymorphic screening and describes our proposed alternatives to induce and maintain specific polymorphic forms, and our approach to avoid polymorphism using APIs as ionic liquids. We want to stress that all the work was performed using mechanochemistry, a green advantageous synthetic technique.
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Hadidi S, Shiri F, Norouzibazaz M. An investigation of pregabalin lactamization process and effect of various pH on reaction: A computational insight. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Candotto V, Scapoli L, Gaudio RM, Gianni AB, Bolzoni A, Racco P, Lauritano D, Cura F. Gabapentin affects the expression of inflammatory mediators on healthy gingival cells. Int J Immunopathol Pharmacol 2020; 33:2058738419827765. [PMID: 31663448 PMCID: PMC6822190 DOI: 10.1177/2058738419827765] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Gabapentin is one of the most used drugs to treat postoperative pain with antihyperalgesic properties and has a unique mechanism of action, which differentiates it from other commonly used drugs. Various studies have shown that the perioperative use of gabapentin reduces postoperative pain. In our study, fragments of gingival tissue of healthy volunteers were collected during operation. Gene expression of 29 genes was investigated in gingival fibroblasts cell culture treated with gabapentin, compared with untreated cells. Of the different chemokines and interleukins studied, only 10 were statistically significant (CCL1, CCR1, CCR4, CCR5, CCR6, ILI1A, ILI1B, IL5, IL6R, TNFSF10). The overexpression of these cytokines, obtained in many studies, leads us to think that gabapentin can interact and cause post-inflammatory gingival hyperplasia, but, probably, in our study the gabapentin has not the same effect, because we used gingival fibroblasts of healthy people.
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Affiliation(s)
- Valentina Candotto
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
| | - Luca Scapoli
- Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
| | - Rosa Maria Gaudio
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Aldo Bruno Gianni
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy.,Maxillofacial and Dental Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Alessandro Bolzoni
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy.,Maxillofacial and Dental Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Pierpaolo Racco
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy.,Maxillofacial and Dental Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Dorina Lauritano
- Department of Medicine and Surgery, Centre of Neuroscience of Milan, University of Milano-Bicocca, Milan, Italy
| | - Francesca Cura
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
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Abstract
OBJECTIVE Gabapentin is used to treat vasomotor symptoms (VMS) in postmenopausal women with contraindications to hormonal therapy or who prefer alternatives. We investigated the efficacy and tolerability of gabapentin for treating menopausal hot flushes via a meta-analysis. METHODS We searched the PubMed, MEDLINE, EMBASE, and CENTRAL databases for English-language articles published until June, 2018. The following search terms were used: "menopause," "hot flushes," "vasomotor symptoms," "gabapentin," and "non-hormonal therapy." Primary outcomes were frequency, duration, and composite score of hot flushes. Secondary outcomes were adverse effects and dropout rate. We estimated the standardized mean difference (SMD) and combined odds ratio (OR) using fixed or random-effects models, depending on study heterogeneity. Subgroup and meta-regression analyses of gabapentin dosage were performed. RESULTS We included seven randomized controlled trials that compared single-agent gabapentin with placebo for treating hot flushes in the meta-analysis. Women who received gabapentin reported a significantly greater reduction in the frequency (SMD 2.99 [95% confidence interval 2.01-3.98], P < 0.001), duration (0.89 [0.49-1.30], P < 0.001), and composite score (2.31 [1.50-3.11], P < 0.001) of hot flushes. Adverse events were significantly more frequent among those taking gabapentin than among those taking the placebo (OR 1.58 [0.98-2.18], P < 0.001; and 1.19 [0.43-1.95], P = 0.002 for dizziness and unsteadiness, respectively). CONCLUSIONS Gabapentin could be used to treat VMS in postmenopausal women with contraindications to hormonal therapy. Future studies should investigate the lowest effective dose of gabapentin to minimize adverse effects. : Video Summary:http://links.lww.com/MENO/A521.
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Ala S, Zamani N, Akbari J, Salehifar E, Janbabai G, Koulaeinejad N. Efficacy of gabapentin mouthwash in managing oral mucositis pain in patients undergoing chemotherapy: a prospective, randomised, double-blind, controlled clinical trial. Scott Med J 2020; 65:12-18. [PMID: 32000625 DOI: 10.1177/0036933019897237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Background and aims Gabapentin has been used for the management of radiotherapy and chemotherapy induced stomatitis in a number of studies. Due to lack of sufficient evidence, the present study was designed to evaluate the efficacy of gabapentin mouthwash in oral mucositis associated pain in patients undergoing cancer chemotherapy. Methods and results This study was a prospective, randomised, double-blind, placebo-controlled trial. The patients were randomly divided into two groups receiving either the gabapentin or placebo mouthwash. Patients were advised to rinse their mouth with 7 ml of solution for 30 s three times a day and were visited 10 days after initiation of the trial. The intensity of pain and severity of oral mucositis were assessed. Thirty-one patients received gabapentin mouthwash while 27 patients received placebo. Both gabapentin and placebo mouthwashes had decreased the pain intensity almost equally and did not show a significant difference between the two groups (P = 0.73). Also both gabapentin and placebo had reduced and improved swallowing, inflammation and erythema. But there was no noticeable difference between groups (P > 0.05). Conclusions These findings indicate that gabapentin mouthwash did not show a significant activity as a pain relieving agent in chemotherapy induced oral mucositis associated pain.
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Affiliation(s)
- Shahram Ala
- Professor of Clinical Pharmacy, Department of Clinical Pharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Neda Zamani
- Professor of Clinical Pharmacy, Department of Clinical Pharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Jafar Akbari
- Pharmacy Student, Students Research Committee, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ebrahim Salehifar
- Professor of Clinical Pharmacy, Department of Clinical Pharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ghasem Janbabai
- Professor of Pharmaceutics, Department of Pharmaceutics, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Neda Koulaeinejad
- Professor of Clinical Pharmacy, Department of Clinical Pharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
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Wadman RI, van der Pol WL, Bosboom WMJ, Asselman F, van den Berg LH, Iannaccone ST, Vrancken AFJE. Drug treatment for spinal muscular atrophy types II and III. Cochrane Database Syst Rev 2020; 1:CD006282. [PMID: 32006461 PMCID: PMC6995983 DOI: 10.1002/14651858.cd006282.pub5] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Spinal muscular atrophy (SMA) is caused by a homozygous deletion of the survival motor neuron 1 (SMN1) gene on chromosome 5, or a heterozygous deletion in combination with a (point) mutation in the second SMN1 allele. This results in degeneration of anterior horn cells, which leads to progressive muscle weakness. Children with SMA type II do not develop the ability to walk without support and have a shortened life expectancy, whereas children with SMA type III develop the ability to walk and have a normal life expectancy. This is an update of a review first published in 2009 and previously updated in 2011. OBJECTIVES To evaluate if drug treatment is able to slow or arrest the disease progression of SMA types II and III, and to assess if such therapy can be given safely. SEARCH METHODS We searched the Cochrane Neuromuscular Specialised Register, CENTRAL, MEDLINE, Embase, and ISI Web of Science conference proceedings in October 2018. In October 2018, we also searched two trials registries to identify unpublished trials. SELECTION CRITERIA We sought all randomised or quasi-randomised trials that examined the efficacy of drug treatment for SMA types II and III. Participants had to fulfil the clinical criteria and have a homozygous deletion or hemizygous deletion in combination with a point mutation in the second allele of the SMN1 gene (5q11.2-13.2) confirmed by genetic analysis. The primary outcome measure was change in disability score within one year after the onset of treatment. Secondary outcome measures within one year after the onset of treatment were change in muscle strength, ability to stand or walk, change in quality of life, time from the start of treatment until death or full-time ventilation and adverse events attributable to treatment during the trial period. Treatment strategies involving SMN1-replacement with viral vectors are out of the scope of this review, but a summary is given in Appendix 1. Drug treatment for SMA type I is the topic of a separate Cochrane Review. DATA COLLECTION AND ANALYSIS We followed standard Cochrane methodology. MAIN RESULTS The review authors found 10 randomised, placebo-controlled trials of treatments for SMA types II and III for inclusion in this review, with 717 participants. We added four of the trials at this update. The trials investigated creatine (55 participants), gabapentin (84 participants), hydroxyurea (57 participants), nusinersen (126 participants), olesoxime (165 participants), phenylbutyrate (107 participants), somatotropin (20 participants), thyrotropin-releasing hormone (TRH) (nine participants), valproic acid (33 participants), and combination therapy with valproic acid and acetyl-L-carnitine (ALC) (61 participants). Treatment duration was from three to 24 months. None of the studies investigated the same treatment and none was completely free of bias. All studies had adequate blinding, sequence generation and reporting of primary outcomes. Based on moderate-certainty evidence, intrathecal nusinersen improved motor function (disability) in children with SMA type II, with a 3.7-point improvement in the nusinersen group on the Hammersmith Functional Motor Scale Expanded (HFMSE; range of possible scores 0 to 66), compared to a 1.9-point decline on the HFMSE in the sham procedure group (P < 0.01; n = 126). On all motor function scales used, higher scores indicate better function. Based on moderate-certainty evidence from two studies, the following interventions had no clinically important effect on motor function scores in SMA types II or III (or both) in comparison to placebo: creatine (median change 1 higher, 95% confidence interval (CI) -1 to 2; on the Gross Motor Function Measure (GMFM), scale 0 to 264; n = 40); and combination therapy with valproic acid and carnitine (mean difference (MD) 0.64, 95% CI -1.1 to 2.38; on the Modified Hammersmith Functional Motor Scale (MHFMS), scale 0 to 40; n = 61). Based on low-certainty evidence from other single studies, the following interventions had no clinically important effect on motor function scores in SMA types II or III (or both) in comparison to placebo: gabapentin (median change 0 in the gabapentin group and -2 in the placebo group on the SMA Functional Rating Scale (SMAFRS), scale 0 to 50; n = 66); hydroxyurea (MD -1.88, 95% CI -3.89 to 0.13 on the GMFM, scale 0 to 264; n = 57), phenylbutyrate (MD -0.13, 95% CI -0.84 to 0.58 on the Hammersmith Functional Motor Scale (HFMS) scale 0 to 40; n = 90) and monotherapy of valproic acid (MD 0.06, 95% CI -1.32 to 1.44 on SMAFRS, scale 0 to 50; n = 31). Very low-certainty evidence suggested that the following interventions had little or no effect on motor function: olesoxime (MD 2, 95% -0.25 to 4.25 on the Motor Function Measure (MFM) D1 + D2, scale 0 to 75; n = 160) and somatotropin (median change at 3 months 0.25 higher, 95% CI -1 to 2.5 on the HFMSE, scale 0 to 66; n = 19). One small TRH trial did not report effects on motor function and the certainty of evidence for other outcomes from this trial were low or very low. Results of nine completed trials investigating 4-aminopyridine, acetyl-L-carnitine, CK-2127107, hydroxyurea, pyridostigmine, riluzole, RO6885247/RG7800, salbutamol and valproic acid were awaited and not available for analysis at the time of writing. Various trials and studies investigating treatment strategies other than nusinersen (e.g. SMN2-augmentation by small molecules), are currently ongoing. AUTHORS' CONCLUSIONS Nusinersen improves motor function in SMA type II, based on moderate-certainty evidence. Creatine, gabapentin, hydroxyurea, phenylbutyrate, valproic acid and the combination of valproic acid and ALC probably have no clinically important effect on motor function in SMA types II or III (or both) based on low-certainty evidence, and olesoxime and somatropin may also have little to no clinically important effect but evidence was of very low-certainty. One trial of TRH did not measure motor function.
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Affiliation(s)
- Renske I Wadman
- University Medical Center Utrecht, Brain Center Rudolf MagnusDepartment of NeurologyHeidelberglaan 100UtrechtNetherlands3584 CX
| | - W Ludo van der Pol
- University Medical Center Utrecht, Brain Center Rudolf MagnusDepartment of NeurologyHeidelberglaan 100UtrechtNetherlands3584 CX
| | - Wendy MJ Bosboom
- Onze Lieve Vrouwe Gasthuis locatie WestDepartment of NeurologyAmsterdamNetherlands
| | - Fay‐Lynn Asselman
- University Medical Center Utrecht, Brain Center Rudolf MagnusDepartment of NeurologyHeidelberglaan 100UtrechtNetherlands3584 CX
| | - Leonard H van den Berg
- University Medical Center Utrecht, Brain Center Rudolf MagnusDepartment of NeurologyHeidelberglaan 100UtrechtNetherlands3584 CX
| | - Susan T Iannaccone
- University of Texas Southwestern Medical CenterDepartment of Pediatrics5323 Harry Hines BoulevardDallasTexasUSA75390
| | - Alexander FJE Vrancken
- University Medical Center Utrecht, Brain Center Rudolf MagnusDepartment of NeurologyHeidelberglaan 100UtrechtNetherlands3584 CX
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Zinc ternary complexes with gabapentin and neurotransmitters: Synthesis, spectral, thermal and molecular docking studies. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.126951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Yan BC, Wang J, Rui Y, Cao J, Xu P, Jiang D, Zhu X, Won MH, Bo P, Su P. Neuroprotective Effects of Gabapentin Against Cerebral Ischemia Reperfusion-Induced Neuronal Autophagic Injury via Regulation of the PI3K/Akt/mTOR Signaling Pathways. J Neuropathol Exp Neurol 2019; 78:157-171. [PMID: 30597043 DOI: 10.1093/jnen/nly119] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Gabapentin (GBP), an analgesic, adjunct antiepileptic, and migraine prophylactic drug, reduces neuronal injury induced by cerebral ischemia reperfusion (IR). However, the underlying biological molecular mechanism of GBP neuroprotection is not clear. In this study, we confirmed that dose-dependent (75 and 150 mg/kg) GBP treatment could significantly reduce IR-induced neuronal death. IR-induced neuronal death was inhibited by pretreatment with 150 mg/kg GBP in a middle cerebral artery occlusion rat model. In addition, 150 mg/kg GBP treatment remarkably promoted the levels of antioxidants and reduced the autophagy of neurons in the infarct penumbra. Moreover, the phosphoinositide-3-kinase (PI3K)/protein kinase B (Akt)/mammalian target of rapamycin (mTOR) signaling pathway was activated by pretreatment with 150 mg/kg GBP, as detected by Western blot analyses. In vitro, pretreatment of PC12 cells with 450 µM GBP significantly reduced cell death induced by oxygen-glucose deprivation, increased antioxidant function, and reduced the levels of autophagy and reactive oxygen species via activation of the PI3K/Akt/mTOR pathway. This neuroprotection by GBP was inhibited significantly by 10 µM LY294002. In summary, dose-dependent pretreatment with GBP protected against cerebral IR injury via activation of the PI3K/Akt/mTOR pathway, which provided a neuroprotective function to inhibit oxidative stress-related neuronal autophagy.
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Affiliation(s)
- Bing Chun Yan
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Medical college of Yangzhou University.,Department of Neurology, Affiliated Hospital, Yangzhou University.,Jiangsu Key Laboratory of Zoonosis, Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, P.R. China
| | - Jie Wang
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Medical college of Yangzhou University.,Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yanggang Rui
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Medical college of Yangzhou University
| | - Jianwen Cao
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Medical college of Yangzhou University
| | - Pei Xu
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Medical college of Yangzhou University
| | - Dan Jiang
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Medical college of Yangzhou University
| | - Xiaolu Zhu
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Medical college of Yangzhou University
| | - Moo-Ho Won
- Department of Neurobiology, School of Medicine, Kangwon National University, Chuncheon, Korea
| | - Ping Bo
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Medical college of Yangzhou University
| | - Peiqing Su
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Medical college of Yangzhou University
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Acute effect of cannabidiol on the activity of various novel antiepileptic drugs in the maximal electroshock- and 6 Hz-induced seizures in mice: Pharmacodynamic and pharmacokinetic studies. Neuropharmacology 2019; 158:107733. [DOI: 10.1016/j.neuropharm.2019.107733] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 07/26/2019] [Accepted: 07/31/2019] [Indexed: 12/23/2022]
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Shen WW. Anticraving therapy for alcohol use disorder: A clinical review. Neuropsychopharmacol Rep 2019; 38:105-116. [PMID: 30175522 PMCID: PMC7292332 DOI: 10.1002/npr2.12028] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 06/11/2018] [Accepted: 06/11/2018] [Indexed: 12/13/2022] Open
Abstract
Aim In this review, the author focused on anticraving therapy for alcohol use disorder (AUD) defined by DMS‐5. A comprehensive review was carried out on the available published papers on anticraving drugs for treating AUD patients. Methods The author described all drugs with anticraving benefits for treating AUD patients approved by the Food and Drug Administration of the United States (US FDA) and European Medicines Agency of the European Union. Then, the commonly prescribed anticraving drugs and those under development were also described. Results The US FDA‐approved anticraving drugs included acamprosate and naltrexone, and those approved by European Medicines Agency were gamma‐hydroxybutyrate and nalmefene. The author also highlighted topiramate, gabapentin, ondansetron, LY196044, ifenprodil, varenicline, ABT‐436, mifepristone, citicoline, and baclofen. The putative mechanisms of action of and the use in clinical practice of those anticraving drugs were also described. Conclusion Although slowly developing, the field of anticraving drugs is getting into shape as a promising entity of a pharmaceutical class of drugs. Then, the author addressed on the underused issues of those recommended, and suggested anticraving drugs by the practice guideline of the American Psychiatric Association. The author urges that clinicians should be more “adventurous” in prescribing those promising drugs because benefits of those anticraving drugs are far‐outweighing the possible side effects of anticraving drugs, or the harms of untreated AUD itself.
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Affiliation(s)
- Winston W Shen
- Department of Psychiatry, Wan Fang Medical Center, Taipei Medical University, Taipei, Taiwan.,Department of Psychiatry, College of Medicine, Taipei Medical University, Taipei, Taiwan
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Choi Y, Raymer BK. Sleep modulating agents. Bioorg Med Chem Lett 2019; 29:2025-2033. [PMID: 31307886 DOI: 10.1016/j.bmcl.2019.06.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/17/2019] [Accepted: 06/22/2019] [Indexed: 12/28/2022]
Abstract
Sleep and wake are two fundamental states of human existence. Conditions such as insomnia and hypersomnia can have profound negative effects on human health. Many pharmacological interventions impacting sleep and wake are available or are under development. This brief digest surveys early approaches to sleep modulation and highlights recent developments in sleep modulating agents.
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Affiliation(s)
- Younggi Choi
- Discovery Chemistry, Alkermes, 852 Winter Street, Waltham, MA, United States
| | - Brian K Raymer
- Discovery Research, Alkermes, 852 Winter Street, Waltham, MA, United States.
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Zhai LL, Savage KT, Qiu CC, Jin A, Valdes-Rodriguez R, Mollanazar NK. Chronic Pruritus Responding to Dupilumab-A Case Series. MEDICINES 2019; 6:medicines6030072. [PMID: 31261951 PMCID: PMC6789555 DOI: 10.3390/medicines6030072] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 06/15/2019] [Accepted: 06/26/2019] [Indexed: 11/21/2022]
Abstract
Background: Chronic pruritus is defined as itch lasting for greater than six weeks. Pruritus is a burdensome manifestation of several internal and external disease states with a significant impact on quality of life. Dupilumab has shown promise in treating a number of conditions including atopic dermatitis (AD) and asthma. Its success in reducing pruritus in AD has generated interest regarding its potential application in other pruritic conditions, such as chronic pruritus of unknown origin, uremic pruritus, and pruigo nodularis. Methods: In this retrospective analysis, we present a series of 20 recalcitrant pruritus patients seen at a tertiary center treated with off-label dupilumab at standard AD dosing. Results: Dupilumab was successful at reducing itch in all treated patients, leading to complete resolution in 12/20 patients and an overall mean NRSi reduction of 7.55. Dupilumab was well tolerated with no significant adverse effects. Conclusions: Our case series suggests dupilumab may be a safe and efficacious therapeutic option in several pruritic conditions and demonstrates the need for further studies to better ascertain its place in the pruritus treatment armamentarium.
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Affiliation(s)
- Lisa L Zhai
- Department of Dermatology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
- Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
| | - Kevin T Savage
- Drexel University College of Medicine, Philadelphia, PA 19129, USA
| | - Connie C Qiu
- Department of Dermatology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA.
- Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA.
| | - Annie Jin
- Department of Dermatology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
- Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
| | | | - Nicholas K Mollanazar
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19140, USA
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Ekşi MŞ, Turgut VU, Özcan-Ekşi EE, Güngör A, Tükel Turgut FN, Pamir MN. Serotonin Syndrome Following Tramadol and Gabapentin Use After Spine Surgery. World Neurosurg 2019; 126:261-263. [DOI: 10.1016/j.wneu.2019.03.092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 03/08/2019] [Accepted: 03/09/2019] [Indexed: 10/27/2022]
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Elkaradawy S, Nasr M, Elkerm Y, Deeb ME, Yassine O. The effect of multimodal balanced anaesthesia and long term gabapentin on neuropathic pain, nitric oxide and interleukin-1β following breast surgery. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2011.10.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Affiliation(s)
- Sahar Elkaradawy
- Department of Anaesthesia, Medical Research Institute Hospital , University of Alexandria , Egypt
| | - Magda Nasr
- Department of Pharmacology, Medical Research Institute Hospital , University of Alexandria , Egypt
| | - Yasser Elkerm
- Department of Cancer Management and Research, Medical Research Institute Hospital , University of Alexandria , Egypt
| | - Mona El Deeb
- Department of Chemical Pathology, Medical Research Institute Hospital , University of Alexandria , Egypt
| | - Omaima Yassine
- Department of Biomedical Informatics and Medical Statistics, Medical Research Institute Hospital , University of Alexandria , Egypt
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Knezevic NN, Aijaz T, Candido KD, Kovaleva S, Lissounov A, Knezevic I. The Effect of Once-Daily Gabapentin Extended Release Formulation in Patients With Postamputation Pain. Front Pharmacol 2019; 10:504. [PMID: 31156433 PMCID: PMC6529536 DOI: 10.3389/fphar.2019.00504] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Accepted: 04/23/2019] [Indexed: 12/31/2022] Open
Abstract
Objectives To compare gabapentin extended-release, a gastro-retentive formulation, in relieving postamputation pain among gabapentin-experienced and gabapentin-naïve patients. Design Open-labeled pilot study. Subjects Sixteen patients with postamputation pain (8 patients in the gabapentin-experienced and 8 patients in the gabapentin-naïve groups). Methods Patients were started on gabapentin extended-release and were followed up for 8 weeks. Patients reported their pain severity during rest and movement using a numeric rating scale (NRS), interference of pain with daily activities using the modified brief pain inventory (MBPI) questionnaire, and treatment satisfaction using the treatment satisfaction questionnaire for medication (TSQM). Results Patients from both gabapentin-experienced and gabapentin-naïve groups achieved a significant and sustainable pain relief over the course of therapy. The pain scores at rest decreased in both gabapentin-experienced and gabapentin-naïve groups from 5.88 ± 1.36 and 4.88 ± 2.95 to 1.88 ± 0.99 and 1.38 ± 1.51, respectively. An average percent of pain relief with gabapentin extended-release was noted to be significant (p < 0.01) after 8 weeks of therapy among gabapentin-experienced (81.25 ± 16.42%) and gabapentin-naïve groups (85 ± 17.73%) when compared to baseline for gabapentin-experienced (31.25 ± 29%) and gabapentin-naïve groups (36.25 ± 34.2%), respectively. Gabapentin-experienced and gabapentin-naïve groups had no significant difference in global satisfaction from treatment (79.14 ± 10.47 and 83.3 ± 20.82), convenience of treatment (73.78 ± 19.04 and 90.44 ± 11.66), effectiveness of treatment (72.6 ± 10.1 and 79.73 ± 11.6). The only statistically significant difference among gabapentin-experienced and gabapentin-naïve groups was found in adverse event tolerability (65.78 ± 10.36 and 85.8 ± 10.14, p < 0.01). Conclusion Once-daily dosing of gabapentin-extended release showed significant improvement in pain severity and functional status, with no difference found between gabapentin-experienced versus gabapentin-naïve patients.
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Affiliation(s)
- Nebojsa Nick Knezevic
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, IL, United States.,Department of Anesthesiology, The University of Illinois at Chicago, Chicago, IL, United States.,Department of Surgery, The University of Illinois at Chicago, Chicago, IL, United States
| | - Tabish Aijaz
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, IL, United States
| | - Kenneth D Candido
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, IL, United States.,Department of Anesthesiology, The University of Illinois at Chicago, Chicago, IL, United States.,Department of Surgery, The University of Illinois at Chicago, Chicago, IL, United States
| | - Svetlana Kovaleva
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, IL, United States
| | - Alexei Lissounov
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, IL, United States
| | - Ivana Knezevic
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, IL, United States
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