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https://www.readbyqxmd.com/read/28811916/drug-information-update-atypical-antipsychotics-and-neuroleptic-malignant-syndrome-nuances-and-pragmatics-of-the-association
#1
Siddharth Sarkar, Nitin Gupta
Neuroleptic malignant syndrome (NMS) is a rare but potentially fatal adverse event associated with the use of antipsychotics. Although atypical antipsychotics were initially considered to carry no risk of NMS, reports have accumulated over time implicating them in NMS causation. Almost all atypical antipsychotics have been reported to be associated with NMS. The clinical profile of NMS caused by certain atypical antipsychotics such as clozapine has been reported to be considerably different from the NMS produced by typical antipsychotics, with diaphoresis encountered more commonly, and rigidity and tremor encountered less frequently...
August 2017: BJPsych Bulletin
https://www.readbyqxmd.com/read/28811079/neuroleptic-free-youth-at-ultrahigh-risk-for-psychosis-evidence-diminished-emotion-reactivity-that-is-predicted-by-depression-and-anxiety
#2
June Gruber, Gregory P Strauss, Laure Dombrecht, Vijay A Mittal
Although abnormalities in emotional response have long been considered a core feature of the chronic phase of schizophrenia, few investigations have examined emotional response in individuals at ultrahigh-risk (UHR) for psychosis. We investigated whether neuroleptic-free UHR (n=29) and healthy control (n=32) participants differed in emotional reactivity and emotion regulation on a laboratory-based task that required reporting levels of positive and negative affect to pleasant, unpleasant, and neutral stimuli...
August 12, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28806387/lurasidone-associated-neuroleptic-malignant-syndrome
#3
Mei Lee, Dorian Marshall, Sahoo Saddichha
No abstract text is available yet for this article.
August 10, 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28805591/acute-presentation-of-nonmotor-symptoms-in-parkinson-s-disease
#4
Kimberly Kwei, Steven Frucht
There are a few syndromes involving the nonmotor symptoms of Parkinson's disease and other movement disorders that can quickly lead to severe morbidity and mortality, and, as such, need rapid identification and management. Among these are neuroleptic malignant syndrome, serotonin syndrome, dopamine agonist withdrawal syndrome, and dystonic storm. It is important to maintain a high index of suspicion for these disorders as lack of identification can lead to death. Many of these acutely occurring nonmotor syndromes are primarily the result of imbalances in dopaminergic and serotonergic systems due to changes in pharmacologic management of psychiatric disorders or Parkinson's disease...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28798699/schizophrenia-or-atypical-lupus-erythematosus-with-predominant-psychiatric-manifestations-over-25%C3%A2-years-case-analysis-and-review
#5
Axel Mack, Christiane Pfeiffer, E Marion Schneider, Karl Bechter
We observed a case over 25 years of relapsing-remitting schizophrenic spectrum disorder, varying regarding the main symptomatology between more depressive or more schizoaffective or rather typical schizophrenic syndrome. Diseased phases were repeatedly accompanied by minor skin lesions, which were initially classified as mixed tissue disorder. Psychotic phases were waxing-waning over years. During one later relapse, skin involvement was severe, classified to likely represent an allergic reaction to psychopharmaca; this generalized exanthema remitted rapidly with cortisone treatment and azathioprine...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28797793/bpc-157-counteracts-qtc-prolongation-induced-by-haloperidol-fluphenazine-clozapine-olanzapine-quetiapine-sulpiride-and-metoclopramide-in-rats
#6
Dean Strinic, Zeljka Belosic Halle, Kresimir Luetic, Ana Nedic, Igor Petrovic, Mario Sucic, Gordana Zivanovic Posilovic, Dijana Balenovic, Sanja Strbe, Mario Udovicic, Domagoj Drmic, Mirjana Stupnisek, Martina Lovric Bencic, Sven Seiwerth, Predrag Sikiric
AIM: Commonly, neuroleptics and prokinetics induce a prolonged QTc interval. In this study, stable gastric pentadecapeptide BPC 157 counteracts the prolongation of the QTc interval in Wistar rats that underwent daily administration of dopamine neuroleptics or prokinetics. Previously, in rats and mice, BPC 157 counteracted neuroleptic-induced catalepsy and gastric ulcers. MAIN METHODS: To counteract neuroleptic- or prokinetic-induced prolongation of the QTc interval, rats were given a BPC 157 regimen once daily over seven days (10μg, 10ng/kg ip) immediately after each administrations of haloperidol (0...
August 7, 2017: Life Sciences
https://www.readbyqxmd.com/read/28789764/-treatment-of-hyperthermia
#7
Sofie Søndergaard Mørch, Johnny Dohn Holmgren Andersen, Morten Heiberg Bestle
Hyperthermia is an uncontrolled elevation of body temperature exceeding the body's ability to dissipate heat. Hyperthermia can result in dangerously high core temperatures and can rapidly become fatal. Common causes include heat stroke, malignant hyperthermia, serotonin syndrome, neuroleptic syndrome, a few endocrine emergencies as well as numerous intoxications. Rapid diagnosis and prompt cooling are pivotal, since the condition triggers a cascade of metabolic events which may progress to irreversible injury or death...
July 24, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28775195/movement-side-effects-of-antipsychotic-drugs-in-adults-with-and-without-intellectual-disability-uk-population-based-cohort-study
#8
Rory Sheehan, Laura Horsfall, André Strydom, David Osborn, Kate Walters, Angela Hassiotis
OBJECTIVES: To measure the incidence of movement side effects of antipsychotic drugs in adults with intellectual disability and compare rates with adults without intellectual disability. DESIGN: Cohort study using data from The Health Improvement Network. SETTING: UK primary care. PARTICIPANTS: Adults with intellectual disability prescribed antipsychotic drugs matched to a control group of adults without intellectual disability prescribed antipsychotic drugs...
August 3, 2017: BMJ Open
https://www.readbyqxmd.com/read/28769987/anticancer-effects-of-sinocrassulosides-vi-vii-from-silene-viscidula-on-hela-cells
#9
Hang Chen, Qian Ma, Wei Xu, Wan-Ming Li, De-Zheng Yuan, Jia-Mei Wu, Yu-Shan Li, Jin Fang
Natural products are becoming increasingly important in chemoprevention and for cancer therapy. Silene viscidula (S. viscidula), a traditional Chinese herb, has long been used as an anti-inflammatory and neuroleptic agent. However, the anticancer activity of S. viscidula has remained unclear. In this study, 16 compounds were extracted from S. viscidula. Among those compounds, sinocrassulosides VI/VII, an inseparable isomer mixture, possess the strongest inhibitory activity on HeLa cells with the IC50 value of 2...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28767476/atypical-neuroleptic-malignant-syndrome-diagnosis-and-proposal-for-an-expanded-treatment-algorithm-a-case-report
#10
Nicole M Schreiner, Samuel Windham, Andrew Barker
Neuroleptic malignant syndrome (NMS) in the absence of an elevated creatine kinase is atypical and more difficult to diagnose. We present a patient with NMS significant risk factors who developed atypical NMS 6 days after a liver transplant. Symptoms of hyperthermia, altered mental status, dyskinesia, and autonomic instability (hypertension and tachycardia) coincided with promethazine administration, with rapid progression to fulminant NMS with lead pipe rigidity after a single injection of intramuscular ziprasidone...
August 1, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28756170/confirmation-of-metabolites-of-the-neuroleptic-drug-prothipendyl-using-human-liver-microsomes-specific-cyp-enzymes-and-authentic-forensic-samples-benefit-for-routine-drug-testing
#11
M Krämer, S Broecker, B Madea, C Hess
Metabolism of the tricyclic azaphenothiazine neuroleptic drug prothipendyl was investigated with in vitro studies using human liver microsomes but also specific isoforms of cytochrome P450 (CYP) enzymes. Identification and analysis of metabolites was done by liquid chromatography (LC) coupled with quadrupole time of flight mass spectrometry (LC-QTOF-MS) as well as triple quadrupole mass spectrometry (LC-QQQ-MS). Results of the herein presented study revealed the proof of various demethylated and oxidized metabolites (-CH2, -C2H4, four derivatives of prothipendyl +O and three derivatives of prothipendyl -CH2+O)...
July 12, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28752347/-prolonged-neuroleptic-malignant-syndrome-after-haloperidol-injection
#12
N Wystub, S Heymel, M Fritzenwanger, P C Schulze, R Pfeifer
Neuroleptic malignant syndrome (NMS) is a rare disorder caused by drug-induced dopamine-receptor-blockage or low dopamine concentration in the brain. It is a severe reaction to neuroleptic drugs in antipsychotic therapy. Symptoms in NMS typically consist of fever, muscle rigidity and cognitive changes; laboratory findings include elevated infectious disease markers and creatine kinase as well as signs of rhabdomyolysis. To differentiate NMS from other malignant hyperthermia syndromes identifying the offending drug and clinical history are essential...
July 27, 2017: Medizinische Klinik, Intensivmedizin und Notfallmedizin
https://www.readbyqxmd.com/read/28734941/sleep-chronic-pain-and-opioid-risk-for-apnea
#13
REVIEW
Serguei Marshansky, Pierre Mayer, Dorrie Rizzo, Marc Baltzan, Ronald Denis, Gilles J Lavigne
Pain is an unwelcome sleep partner. Pain tends to erode sleep quality and alter the sleep restorative process in vulnerable patients. It can contribute to next-day sleepiness and fatigue, affecting cognitive function. Chronic pain and the use of opioid medications can also complicate the management of sleep disorders such as insomnia (difficulty falling and/or staying asleep) and sleep-disordered breathing (sleep apnea). Sleep problems can be related to various types of pain, including sleep headache (hypnic headache, cluster headache, migraine) and morning headache (transient tension type secondary to sleep apnea or to sleep bruxism or tooth grinding) as well as periodic limb movements (leg and arm dysesthesia with pain)...
July 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28734350/dried-urine-spots-a-novel-sampling-technique-for-comprehensive-lc-ms-n-drug-screening
#14
Julian A Michely, Markus R Meyer, Hans H Maurer
Dried matrix spot (DMS) technique as alternative sampling strategy, especially dried urine spots (DUS), might be an alternative for drug screening. So far only particular drugs or drug classes were covered in DMS screenings. Therefore, workup of DUS for a broad comprehensive library-based LC-MS(n) screening was developed. It consisted of enzymatic on-spot deconjugation followed by liquid extraction and LC-MS(n) analysis. This workup was compared to established urine precipitation (UP) and validated according to international guidelines for qualitative approaches, using exemplary compounds of several drug classes (antidepressants, benzodiazepines, cardiovascular drugs, neuroleptics, opioids, stimulants, etc...
August 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28734245/azaphenothiazines-promising-phenothiazine-derivatives-an-insight-into-nomenclature-synthesis-structure-elucidation-and-biological-properties
#15
REVIEW
Krystian Pluta, Małgorzata Jeleń, Beata Morak-Młodawska, Michał Zimecki, Jolanta Artym, Maja Kocięba, Ewa Zaczyńska
For the last two decades, classical phenothiazines have attracted attention of researchers, as the hitherto investigations have revealed many significant biological activities within this class of compounds, other than originally discovered neuroleptic ones. Important, new pharmaceutical results on phenothiazines, as 10-substituted dibenzothiazines, were recently highlighted in several reviews. Azaphenothiazines are structurally modified phenothiazines by substitution of one or both benzene rings in the phenothiazine ring system with the azine rings, such as: pyridine, pyridazine, pyrimidine, pyrazine, 1,2,4-triazine, quinoline, quinoxaline, benzoxazine and benzothiazine...
July 8, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28731860/the-case-of-total-parenteral-nutrition-precipitated-neuroleptic-malignant-like-syndrome-in-advanced-stage-parkinson-disease
#16
William Li, Mark Saweris, Bhaskara Madhira
No abstract text is available yet for this article.
June 14, 2017: American Journal of Therapeutics
https://www.readbyqxmd.com/read/28726103/the-effect-of-chlorpromazine-on-intracellular-ca-2-concentration-in-macrophages
#17
Z I Krutetskaya, L S Milenina, A A Naumova, S N Butov, V G Antonov, A D Nozdrachev
Using Fura-2AM microfluorimetry, it was shown for the first time that neuroleptic chlorpromazine causes intracellular Ca(2+) concentration increase in macrophages due to Ca(2+) mobilization from intracellular Ca(2+) stores and subsequent Ca(2+) entry from the external medium. Chlorpromazine-induced Ca(2+) entry is inhibited by La(3+) and 2-aminoethoxydiphenyl borate and is associated with Ca(2+) store depletion.
May 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28721933/transient-lesions-of-the-splenium-of-the-corpus-callosum-following-rapid-withdrawal-of-levetiracetam
#18
Ryo Sawagashira, Hisashi Narita, Naoki Hashimoto, Tsugiko Kurita, Shin Nakagawa, Takuya Saitoh, Ichiro Kusumi
Transient lesions of the splenium of the corpus callosum are characterized by MRI findings. The lesions are very rare, but significant from a clinical standpoint as differential diagnoses include serious conditions such as encephalitis, meningitis, and neuroleptic malignant syndrome. In addition, it is reported that some are attributed to the withdrawal of antiepileptic drugs. Here, we present a case of transient lesions of the splenium of the corpus callosum following rapid withdrawal of levetiracetam alone...
July 19, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28720157/the-influence-of-azaperone-treatment-at-weaning-on-reproductive-performance-of-sows-altering-effects-of-season-and-parity
#19
T Schwarz, J Nowicki, R Tuz, P M Bartlewski
Azaperone treatment can control aggression and decrease stress due to weaning, re-grouping and hierarchical fighting of gilts and sows. However, the effects of this butyrophenone neuroleptic and sedative administered at weaning on pig reproductive function are poorly characterized. In this year-long study, a total of 619 cross-bred sows (Polish Large White×Polish Landrace) kept on a commercial farm received an i.m. injection of azaperone (Stresnil®; 2 mg/kg BW) just before weaning and were artificially inseminated during the ensuing estrus with 3×109 spermatozoa per dose of an inseminate; 1180 sows served as untreated controls...
July 19, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28719185/small-molecule-enhancement-of-20s-proteasome-activity-targets-intrinsically-disordered-proteins
#20
Corey L Jones, Evert Njomen, Benita Sjogren, Thomas S Dexheimer, Jetze J Tepe
The 20S proteasome is the main protease for degradation of oxidatively damaged and intrinsically disordered proteins. When accumulation of disordered or oxidatively damaged proteins exceed proper clearance in neurons, imbalanced pathway signaling or aggregation occurs, which have been implicated in the pathogenesis of several neurological disor-ders. Screening of the NIH Clinical Collection and Prestwick libraries identified the neuroleptic agent chlorpromazine as a lead agent capable of enhancing 20S proteasome activity...
July 18, 2017: ACS Chemical Biology
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