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Clinical Neuropharmacology

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https://www.readbyqxmd.com/read/28816836/reversal-of-dropped-head-syndrome-after-the-cessation-of-dopaminergic-agonist-treatment-in-parkinson-disease
#1
Tomoo Mano
Dropped head (DH) syndrome is a phenomenon of disproportionate neck anteflexion that has been reported in patients with Parkinson disease (PD). Antiparkinsonian medications such as dopaminergic agonists (DAs) have been implicated in the onset of DH episodes. Deep brain stimulation (DBS) is an important therapeutic option after the failure of conventional treatments such as DA therapy in patients with PD. Here, we report the case of a patient with rigid-akinetic parkinsonism who developed DH syndrome after the initiation of DA treatment...
August 14, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28816835/acute-worsening-of-tics-on-varenicline
#2
Shivam Om Mittal, Bryan T Klassen, Anhar Hassan, James H Bower, Elizabeth A Coon
OBJECTIVE: The aim of this study was to report worsening of Tourette syndrome (TS) in 2 patients treated with varenicline. BACKGROUND: Abnormal dopaminergic signaling is likely involved in the pathophysiology of TS. Varenicline is a partial α4β2 nicotinic acetylcholine agonist that enhances dopamine release. Therefore, the use of varenicline may influence tics in patients with TS. METHOD: We analyzed and described 2 case studies on patients with significant worsening of tics after treatment with varenicline...
August 14, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28816834/effect-of-amantadine-on-agitation-in-critically-ill-patients-with-traumatic-brain-injury
#3
Jawaher A Gramish, Brian J Kopp, Asad E Patanwala
OBJECTIVE: This study aimed to compare the presence of agitation in traumatic brain injury patients treated with amantadine with those not treated with amantadine in the intensive care unit (ICU). METHODS: This was a retrospective cohort study conduced in a trauma ICU of a tertiary care institution in the United States. Patients who received amantadine were compared with patients who did not receive amantadine. The primary outcome measure was the presence of agitation, defined as the Richmond Agitation Sedation Scale score of +2 or higher...
August 14, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28816833/perioperative-use-of-erythromycin-reduces-cognitive-decline-after-coronary-artery-bypass-grafting-surgery-a-pilot-study
#4
Evanthia Thomaidou, Helena Argiriadou, Georgios Vretzakis, Kalliopi Megari, Nikolaos Taskos, Georgios Chatzigeorgiou, Kyriakos Anastasiadis
OBJECTIVES: Adverse neurologic outcome can be a debilitating complication after cardiac surgery. The aim of this study was to investigate the potential neuroprotective action of erythromycin, a well known antibiotic agent, regarding postoperative cognitive decline in patients undergoing cardiac surgery. METHODS: Forty patients scheduled for elective coronary artery bypass grafting surgery were prospectively randomly assigned in 2 groups: the erythromycin group (n = 19) who received erythromycin at a dose of 25 mg/kg before and after surgery and the control group (n = 21) who did not receive it...
August 14, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28816832/reversible-splenial-lesion-syndrome-after-intravenous-immunoglobulin-treatment-for-guillain-barre-syndrome
#5
Elif Uygur Kucukseymen, Burcu Yuksel, Fatma Genc, Eylem Ozaydin Goksu, Sevim Yildiz, Yasemin Bicer Gomceli
Reversible corpus callosum splenial (CCS) lesions have been described in patients with varied etiologies. The most common causes of previously reported reversible focal lesions of the CCS are viral encephalitis, antiepileptic drug toxicity/withdrawal, and metabolic disorders. Intravenous immunoglobulin (IVIG) therapy is used for different immune-mediated diseases. It is generally safe, and serious adverse reactions are uncommon. We presented a rare case of disturbed consciousness with reversible CCS lesions after IVIG therapy for Guillain-Barre syndrome in an adult woman...
August 14, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28816831/school-refusal-successfully-treated-with-divalproex
#6
Lu Ye, Jeongwon Shin, Steven Lippmann
Divalproex was successfully used in a 7-year-old boy suffering from treatment-refractory school refusal complicated with a mood disturbance and anxiety. Divalproex had demonstrated a rapid effect in reducing school anxiety and improving school attendance after multiple failures of other agents. Divalproex may be an effective agent for treating school refusal in children with emotional and/or behavior disturbances.
August 14, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28816830/fatal-cerebral-edema-seizures-and-hyponatremia-after-trazodone-overdose
#7
Jose David Avila
Trazodone is a serotonin antagonist and reuptake inhibitor that is widely used for the treatment of depression and insomnia. Fatal overdose is rare and usually occurs when combined with other drugs or alcohol. Only a few lethal cases of pure trazodone overdose have been reported, all attributed to cardiotoxicity. We reported a 37-year-old woman who presented after ingesting 6.45 g of trazodone in a suicidal attempt. She was hyponatremic because of the syndrome of inappropriate antidiuretic hormone secretion and, shortly after, had a seizure and developed fatal cerebral edema...
August 14, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28682929/determination-of-monoamine-oxidase-a-and-b-activity-in-long-term-treated-patients-with-parkinson-disease
#8
Thomas Müller, Peter Riederer, Edna Grünblatt
BACKGROUND: Biogenic amines and monoamine oxidase inhibitors influence peripheral monoamine oxidase enzyme activity in chronic levodopa/dopa decarboxylase inhibitor-treated patients with Parkinson disease. Rasagiline is an irreversible inhibitor of monoamine oxidase B. Safinamide blocks this isoenzyme in a reversible fashion. OBJECTIVES: The aim of this study was to determine monoamine oxidase A (plasma) and B (platelets) enzyme activity in long-term levodopa-treated patients without and with additional oral intake of 50- or 100-mg safinamide or 1-mg rasagiline or first-time intake of rasagiline...
July 4, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28682928/can-high-dose-levetiracetam-be-safe-a-case-report-of-prolonged-accidental-high-dose-levetiracetam-administration-and-review-of-the-literature
#9
Ayse Kartal
Levetiracetam is an antiepileptic drug that has been used both as adjunctive therapy and monotherapy in pediatric patients with epilepsy. We report a patient with cerebral palsy and epilepsy who took 200 mg/kg per day of levetiracetam for 55 days with no apparent adverse effects. Four other cases of accidental overdose were found in the literature; none of these was associated with any apparent adverse effects. These findings suggest that, in at least some cases, levetiracetam doses much higher than the recommended maximum of 60 mg/kg per day can be administered without apparent adverse effects...
July 4, 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28704252/bumetanide-treatment-for-psychiatric-disorders-and-the-modulation-of-central-nitric-oxide-metabolism
#10
Keith Fluegge
No abstract text is available yet for this article.
July 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28644160/calcitonin-gene-related-peptide-targeted-therapies-for-migraine-and-cluster-headache-a-review
#11
Nathaniel M Schuster, Alan M Rapoport
Calcitonin gene-related peptide (CGRP) is a signaling neuropeptide released from activated trigeminal sensory afferents in headache and facial pain disorders. There are a handful of CGRP-targeted therapies currently in phase 3 studies for migraine acute treatment or prevention. Currently, 4 monoclonal antibodies targeting either the CGRP ligand or receptor are being studied for migraine prevention: ALD403 (eptinezumab), AMG 334 (erenumab), LY2951742 (galcanezumab), and TEV-48125 (fremanezumab). Meanwhile, 1 small-molecule CGRP receptor antagonist (ubrogepant, MK-1602) is currently in phase 3 studies for the acute treatment of migraine...
July 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622213/selective-serotonin-reuptake-inhibitor-induced-hyponatremia-clinical-implications-and-therapeutic-alternatives
#12
María Varela Piñón, Jaime Adán-Manes
BACKGROUND: Selective serotonin reuptake inhibitors (SSRIs) are widely prescribed among the general population. Despite their benign side effect profile, these drugs can cause significant adverse effects in elderly patients, including severe hyponatremia. We report 1 case of SSRI-induced hyponatremia and review therapeutic alternatives. CASE: We present an 81-year-old male patient treated with sertraline and furosemide who presented with a recent-onset symptomatic hyponatremia...
July 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622212/a-retrospective-study-of-pimavanserin-use-in-a-movement-disorders-clinic
#13
Joseph H Friedman
Pimavanserin, a 5-HT2A inverse agonist, was commercially released in the United States in April 2016 for the treatment of Parkinson disease psychosis. No "naturalistic" treatment results have yet been published. Charts from the movement disorders clinic were reviewed for all patients who received this drug as treatment for psychosis associated with primary parkinsonism due to α-synucleinopathies. Data of 10 patients with idiopathic Parkinson disease, including 1 with a long history of schizophrenia, 4 with dementia with Lewy bodies, and 1 with multiple-system atrophy, were reviewed...
July 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622211/aripiprazole-related-diurnal-enuresis-in-children-2-cases-aripiprazole-related-enuresis
#14
Serkan Gunes
Aripiprazole is an atypical antipsychotic with dopaminergic and serotonergic effects. Enuresis as an adverse effect has been reported with aripiprazole use in children with autism spectrum disorders. Here, we report 2 cases without autism spectrum disorders who developed diurnal enuresis after starting aripiprazole and ceased after discontinuation of the medication.
July 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622210/serotonin-syndrome-following-combined-administration-of-dopaminergic-and-noradrenergic-agents-in-a-patient-with-akinetic-mutism-after-frontal-intracerebral-hemorrhage-a-case-report
#15
Dae Geun Jeon, Yong Wook Kim, Na Young Kim, Jung Hyun Park
BACKGROUND: Serotonin syndrome (SS) is a potentially life-threatening condition that can be caused by use of proserotonergic drugs. Several studies have reported that combined administration of various medications may induce SS. We report a case of SS in a patient who was being treated with dopaminergic and noradrenergic drugs. CASE PRESENTATION: A 55-year-old man with a right frontal intracerebral hemorrhage extending to the left cerebral hemisphere presented with clinical features of akinetic mutism...
July 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622209/the-forgotten-treatment-of-alcohol-withdrawal-delirium-with-electroconvulsive-therapy-successful-use-in-a-very-prolonged-and-severe-case
#16
Laura Kranaster, Suna Su Aksay, Jan Malte Bumb, Christoph Janke, Alexander Sartorius
OBJECTIVE: Alcohol withdrawal delirium (AWD) is a notorious complication in alcohol withdrawal. Usually, the symptomatic treatment is efficacious; however, some patients show treatment resistance or a prolonged course of AWD. METHOD: We report the case of a patient with a prolonged and severest form of AWD. Even 11 weeks after admission, he received approximately 100 mg diazepam per week to manage the symptoms of withdrawal delirium. RESULTS: A treatment course of electroconvulsive therapy was initiated, which allowed a complete tapering off of benzodiazepines during electroconvulsive therapy without adverse effects...
July 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622208/duloxetine-plasma-concentrations-and-its-effectiveness-in-the-treatment-of-nonorganic-chronic-pain-in-the-orofacial-region
#17
Yuka Kobayashi, Wataru Nagashima, Tatsuya Tokura, Keizo Yoshida, Eri Umemura, Tomoya Miyauchi, Munetaka Arao, Mikiko Ito, Hiroyuki Kimura, Kenichi Kurita, Norio Ozaki
OBJECTIVE: The purpose of this study was to examine the relationship between the pain-relieving effects of duloxetine and its plasma concentrations in patients with burning mouth syndrome and atypical odontalgia characterized by chronic nonorganic pain in the orofacial region. METHODS: We administered duloxetine to 77 patients diagnosed as having burning mouth syndrome or atypical odontalgia for 12 weeks. The initial dose of duloxetine was established as 20 mg/d and was increased to 40 mg/d after week 2...
July 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622207/sleep-disturbance-as-a-precursor-of-severe-regression-in-kleefstra-syndrome-suggests-a-need-for-firm-and-rapid-pharmacological-treatment
#18
Karlijn Vermeulen, Wouter G Staal, Joost G Janzing, Hans van Bokhoven, Jos I M Egger, Tjitske Kleefstra
Intellectual disability is frequently accompanied by psychiatric symptoms that require pharmacological interventions. Treatment guidelines often provide a general treatment approach for these symptoms in intellectual disability. However, this may not always be the best strategy, as illustrated here in Kleefstra syndrome. We present 3 patients showing severe regression after sleep disturbances. If these are treated with care as usual (eg, behavioral programs and sleep medication) deterioration is likely to follow...
July 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622206/bupropion-augmentation-in-a-case-of-compulsive-buying-disorder
#19
Gianna Sepede, Giuseppe Di Iorio, Fabiola Sarchione, Federica Fiori, Massimo Di Giannantonio
BACKGROUND: Compulsive buying disorder (CBD) is a condition characterized by excessive preoccupations, impulses, and behaviors regarding buying, resulting in serious psychological, social, and financial problems. Even though it has not been included in Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, "behavioral addictions" section, CBD is a hot topic in current clinical psychiatry, because of its relevant prevalence (at least 5% in adult populations) and severe effect on quality of life...
July 2017: Clinical Neuropharmacology
https://www.readbyqxmd.com/read/28622205/effect-of-excessive-coffee-consumption-on-the-clinical-course-of-a-patient-with-bipolar-disorder-a-case-report-and-literature-review
#20
Yutaka Kunitake, Yoshito Mizoguchi, Rintaro Sogawa, Jun Matsushima, Takahiro A Kato, Toshiro Kawashima, Akira Monji
OBJECTIVE: The aim of this study was to examine the impact of excessive caffeine consumption on therapeutic outcomes in bipolar disorder. METHODS AND RESULTS: We report on a case of a patient with bipolar disorder whose psychiatric symptoms were ameliorated with the elevation of lithium concentrations after the reduction of excessive daily coffee consumption, and we review the relevant literatures. CONCLUSIONS: Excessive coffee consumption may exacerbate the therapeutic course of bipolar disorder through its effects on the mechanisms underlying bipolar disorder itself, as well as by affecting the blood concentration of lithium...
July 2017: Clinical Neuropharmacology
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