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David Nutt

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https://www.readbyqxmd.com/read/29445838/psychedelics-and-related-drugs-therapeutic-possibilities-mechanisms-and-regulation
#1
EDITORIAL
H Valerie Curran, David Nutt, Harriet de Wit
No abstract text is available yet for this article.
February 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29407543/natural-speech-algorithm-applied-to-baseline-interview-data-can-predict-which-patients-will-respond-to-psilocybin-for-treatment-resistant-depression
#2
Facundo Carrillo, Mariano Sigman, Diego Fernández Slezak, Philip Ashton, Lily Fitzgerald, Jack Stroud, David J Nutt, Robin L Carhart-Harris
BACKGROUND: Natural speech analytics has seen some improvements over recent years, and this has opened a window for objective and quantitative diagnosis in psychiatry. Here, we used a machine learning algorithm applied to natural speech to ask whether language properties measured before psilocybin for treatment-resistant can predict for which patients it will be effective and for which it will not. METHODS: A baseline autobiographical memory interview was conducted and transcribed...
January 29, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29396616/the-hidden-therapist-evidence-for-a-central-role-of-music-in-psychedelic-therapy
#3
Mendel Kaelen, Bruna Giribaldi, Jordan Raine, Lisa Evans, Christopher Timmerman, Natalie Rodriguez, Leor Roseman, Amanda Feilding, David Nutt, Robin Carhart-Harris
RATIONALE: Recent studies have supported the safety and efficacy of psychedelic therapy for mood disorders and addiction. Music is considered an important component in the treatment model, but little empirical research has been done to examine the magnitude and nature of its therapeutic role. OBJECTIVES: The present study assessed the influence of music on the acute experience and clinical outcomes of psychedelic therapy. METHODS: Semi-structured interviews inquired about the different ways in which music influenced the experience of 19 patients undergoing psychedelic therapy with psilocybin for treatment-resistant depression...
February 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29288686/increased-amygdala-responses-to-emotional-faces-after-psilocybin-for-treatment-resistant-depression
#4
Leor Roseman, Lysia Demetriou, Matthew B Wall, David J Nutt, Robin L Carhart-Harris
Recent evidence indicates that psilocybin with psychological support may be effective for treating depression. Some studies have found that patients with depression show heightened amygdala responses to fearful faces and there is reliable evidence that treatment with SSRIs attenuates amygdala responses (Ma, 2015). We hypothesised that amygdala responses to emotional faces would be altered post-treatment with psilocybin. In this open-label study, 20 individuals diagnosed with moderate to severe, treatment-resistant depression, underwent two separate dosing sessions with psilocybin...
December 27, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29284138/psychiatry-the-psychedelic-drugs-past-present-future
#5
REVIEW
James J H Rucker, Jonathan Iliff, David J Nutt
The classical psychedelic drugs, including psilocybin, lysergic acid diethylamide and mescaline, were used extensively in psychiatry before they were placed in Schedule I of the UN Convention on Drugs in 1967. Experimentation and clinical trials undertaken prior to legal sanction suggest that they are not helpful for those with established psychotic disorders and should be avoided in those liable to develop them. However, those with so-called 'psychoneurotic' disorders sometimes benefited considerably from their tendency to 'loosen' otherwise fixed, maladaptive patterns of cognition and behaviour, particularly when given in a supportive, therapeutic setting...
December 25, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29127283/environmental-sensing-by-mature-b-cells-is-controlled-by-the-transcription-factors-pu-1-and-spib
#6
Simon N Willis, Julie Tellier, Yang Liao, Stephanie Trezise, Amanda Light, Kristy O'Donnell, Lee Ann Garrett-Sinha, Wei Shi, David M Tarlinton, Stephen L Nutt
Humoral immunity requires B cells to respond to multiple stimuli, including antigen, membrane and soluble ligands, and microbial products. Ets family transcription factors regulate many aspects of haematopoiesis, although their functions in humoral immunity are difficult to decipher as a result of redundancy between the family members. Here we show that mice lacking both PU.1 and SpiB in mature B cells do not generate germinal centers and high-affinity antibody after protein immunization. PU.1 and SpiB double-deficient B cells have a survival defect after engagement of CD40 or Toll-like receptors (TLR), despite paradoxically enhanced plasma cell differentiation...
November 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/29101022/lsd-modulates-effective-connectivity-and-neural-adaptation-mechanisms-in-an-auditory-oddball-paradigm
#7
REVIEW
Christopher Timmermann, Meg J Spriggs, Mendel Kaelen, Robert Leech, David J Nutt, Rosalyn J Moran, Robin L Carhart-Harris, Suresh D Muthukumaraswamy
Under the predictive coding framework, perceptual learning and inference are dependent on the interaction between top-down predictions and bottom-up sensory signals both between and within regions in a network. However, how such feedback and feedforward connections are modulated in the state induced by lysergic acid diethylamide (LSD) is poorly understood. In this study, an auditory oddball paradigm was presented to healthy participants (16 males, 4 female) under LSD and placebo, and brain activity was recorded using magnetoencephalography (MEG)...
October 31, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29030624/psilocybin-for-treatment-resistant-depression-fmri-measured-brain-mechanisms
#8
Robin L Carhart-Harris, Leor Roseman, Mark Bolstridge, Lysia Demetriou, J Nienke Pannekoek, Matthew B Wall, Mark Tanner, Mendel Kaelen, John McGonigle, Kevin Murphy, Robert Leech, H Valerie Curran, David J Nutt
Psilocybin with psychological support is showing promise as a treatment model in psychiatry but its therapeutic mechanisms are poorly understood. Here, cerebral blood flow (CBF) and blood oxygen-level dependent (BOLD) resting-state functional connectivity (RSFC) were measured with functional magnetic resonance imaging (fMRI) before and after treatment with psilocybin (serotonin agonist) for treatment-resistant depression (TRD). Quality pre and post treatment fMRI data were collected from 16 of 19 patients. Decreased depressive symptoms were observed in all 19 patients at 1-week post-treatment and 47% met criteria for response at 5 weeks...
October 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29025134/cannabis-dampens-the-effects-of-music-in-brain-regions-sensitive-to-reward-and-emotion
#9
Tom P Freeman, Rebecca A Pope, Matthew B Wall, James A Bisby, Maartje Luijten, Chandni Hindocha, Claire Mokrysz, Will Lawn, Abigail Moss, Michael A P Bloomfield, Celia J A Morgan, David J Nutt, H Valerie Curran
Background: Despite the current shift towards permissive cannabis policies, few studies have investigated the pleasurable effects users seek. Here we investigate the effects of cannabis on listening to music - a rewarding activity that frequently occurs in the context of recreational cannabis use. We additionally tested how these effects are influenced by cannabidiol (CBD), which may offset cannabis-related harms. Methods: Across three sessions, sixteen cannabis users inhaled cannabis with CBD, cannabis without CBD, and placebo...
September 2, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29016847/a-point-mutation-in-the-ion-conduction-pore-of-ampa-receptor-gria3-causes-dramatically-perturbed-sleep-patterns-as-well-as-intellectual-disability
#10
Benjamin Davies, Laurence A Brown, Ondrej Cais, Jake Watson, Amber J Clayton, Veronica T Chang, Daniel Biggs, Christopher Preece, Polinka Hernandez-Pliego, Jon Krohn, Amarjit Bhomra, Stephen R F Twigg, Andrew Rimmer, Alexander Kanapin, Arjune Sen, Zenobia Zaiwalla, Gil McVean, Russell Foster, Peter Donnelly, Jenny C Taylor, Edward Blair, David Nutt, A Radu Aricescu, Ingo H Greger, Stuart N Peirson, Jonathan Flint, Hilary C Martin
The discovery of genetic variants influencing sleep patterns can shed light on the physiological processes underlying sleep. As part of a large clinical sequencing project, WGS500, we sequenced a family in which the two male children had severe developmental delay and a dramatically disturbed sleep-wake cycle, with very long wake and sleep durations, reaching up to 106-h awake and 48-h asleep. The most likely causal variant identified was a novel missense variant in the X-linked GRIA3 gene, which has been implicated in intellectual disability...
October 15, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28867939/biological-markers-of-generalized-anxiety-disorder
#11
Eduard Maron, David Nutt
Generalized anxiety disorder (GAD) is a prevalent and highly disabling mental health condition; however, there is still much to learn with regard to pertinent biomarkers, as well as diagnosis, made more difficult by the marked and common overlap of GAD with affective and anxiety disorders. Recently, intensive research efforts have focused on GAD, applying neuroimaging, genetic, and blood-based approaches toward discovery of pathogenetic and treatment-related biomarkers. In this paper, we review the large amount of available data, and we focus in particular on evidence from neuroimaging, genetic, and neurochemical measurements in GAD in order to better understand potential biomarkers involved in its etiology and treatment...
June 2017: Dialogues in Clinical Neuroscience
https://www.readbyqxmd.com/read/28803249/a-brief-outline-of-the-use-of-new-technologies-for-treating-substance-use-disorders-in-the-european-union
#12
GianLuca Quaglio, Arnt Schellekens, Matthijs Blankers, Eva Hoch, Theodoros Karapiperis, Giovanni Esposito, Helmut Brand, David Nutt, Falk Kiefer
BACKGROUND: Clinicians in the field of drug addiction have started to exploit the growth of Technology-Based Interventions (TBIs). However, there is little information on how health personnel evaluate them. METHODS: Semi-structured interviews were conducted among 20 European experts. RESULTS: All of the interviewees recognised TBIs as a valuable tool to improve the management of substance-use disorders (SUDs). Most interviewees indicated that combining both traditional face-to-face therapist-patient clinic appointment with TBIs is probably the most effective method...
2017: European Addiction Research
https://www.readbyqxmd.com/read/28701746/acute-d3-antagonist-gsk598809-selectively-enhances-neural-response-during-monetary-reward-anticipation-in-drug-and-alcohol-dependence
#13
Anna Murphy, Liam J Nestor, John McGonigle, Louise Paterson, Venkataramana Boyapati, Karen D Ersche, Remy Flechais, Shankar Kuchibatla, Antonio Metastasio, Csaba Orban, Filippo Passetti, Laurence Reed, Dana Smith, John Suckling, Eleanor Taylor, Trevor W Robbins, Anne Lingford-Hughes, David J Nutt, John F W Deakin, Rebecca Elliott
This corrects the article DOI: 10.1038/npp.2016.289.
August 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28654421/correction-traf2-regulates-tnf-and-nf-%C3%AE%C2%BAb-signalling-to-suppress-apoptosis-and-skin-inflammation-independently-of-sphingosine-kinase-1
#14
Nima Etemadi, Michael Chopin, Holly Anderton, Maria C Tanzer, James A Rickard, Waruni Abeysekera, Cathrine Hall, Sukhdeep K Spall, Bing Wang, Yuquan Xiong, Timothy Hla, Stuart M Pitson, Claudine S Bonder, Wendy Wei-Lynn Wong, Matthias Ernst, Gordon K Smyth, David L Vaux, Stephen L Nutt, Ueli Nachbur, John Silke
No abstract text is available yet for this article.
June 27, 2017: ELife
https://www.readbyqxmd.com/read/28631527/buprenorphine-naloxone-versus-methadone-and-lofexidine-in-community-stabilisation-and-detoxification-a-randomised-controlled-trial-of-low-dose-short-term-opiate-dependent-individuals
#15
Fergus D Law, Alison M Diaper, Jan K Melichar, Simon Coulton, David J Nutt, Judy S Myles
Buprenorphine/naloxone, methadone and lofexidine are medications with utility in the treatment of opiate withdrawal. We report the first randomised controlled trial to compare the effects of these two medications on withdrawal symptoms and outcome during opiate induction/stabilisation and detoxification. A double-blind randomised controlled trial was conducted in an outpatient satellite clinic of a specialist drug service. Eighty opiate dependent individuals meeting DSM-IV criteria for opiate dependence, using ⩽ ½ g heroin smoked/chased or ¼ g heroin injected or ⩽ 30mg methadone, with ⩽ 3 years of opioid dependency, underwent a short-term opiate treatment programme involving induction/stabilisation on methadone 30mg or buprenorphine/naloxone 4mg/1mg, followed by detoxification (where the methadone group was assisted by lofexidine)...
June 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28531767/the-standard-joint-unit
#16
Cristina Casajuana Kögel, María Mercedes Balcells-Olivero, Hugo López-Pelayo, Laia Miquel, Lídia Teixidó, Joan Colom, David John Nutt, Jürgen Rehm, Antoni Gual
OBJECTIVE: Reliable data on cannabis quantities is required to improve assessment of cannabis consumption for epidemiological analysis and clinical assessment, consequently a Standard Joint Unit (SJU) based on quantity of 9-Tetrahydrocannabinol (9-THC) has been established. METHODOLOGY: Naturalistic study of a convenience sample recruited from February 2015-June 2016 in universities, leisure spaces, mental health services and cannabis clubs in Barcelona. Adults, reporting cannabis use in the last 60 days, without cognitive impairment or language barriers, answered a questionnaire on cannabis use and were asked to donate a joint to further determine their 9-THC and Cannabidiol (CBD) content...
May 16, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28496172/acute-d3-antagonist-gsk598809-selectively-enhances-neural-response-during-monetary-reward-anticipation-in-drug-and-alcohol-dependence
#17
Anna Murphy, Liam J Nestor, John McGonigle, Louise Paterson, Venkataramana Boyapati, Karen D Ersche, Remy Flechais, Shankar Kuchibatla, Antonio Metastasio, Csaba Orban, Filippo Passetti, Laurence Reed, Dana Smith, John Suckling, Eleanor Taylor, Trevor Wr Obbins, Anne Lingford-Hughes, David J Nutt, John Fw Deakin, Rebecca Elliott
No abstract text is available yet for this article.
June 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28395988/ketamine-treatment-for-depression-opportunities-for-clinical-innovation-and-ethical-foresight
#18
REVIEW
Ilina Singh, Celia Morgan, Valerie Curran, David Nutt, Anne Schlag, Rupert McShane
We present a review and analysis of the ethical considerations in off-label ketamine use for severe, treatment-resistant depression. The analysis of ethical considerations is contextualised in an overview of the evidence for ketamine use in depression, and a review of the drug's safety profile. We find that, based on current evidence, ketamine use for severe, treatment-resistant depression does not violate ethical principles; however, clinicians and professional bodies must take steps to ensure that guidelines for good practice are enacted, that all experimental and trial data are made available through national registries, and that the risk potential of ketamine treatment continues to be monitored and modelled...
May 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28382966/the-pu-1-target-gene-zbtb11-regulates-neutrophil-development-through-its-integrase-like-hhcc-zinc-finger
#19
Maria-Cristina Keightley, Duncan P Carradice, Judith E Layton, Luke Pase, Julien Y Bertrand, Johannes G Wittig, Aleksandar Dakic, Andrew P Badrock, Nicholas J Cole, David Traver, Stephen L Nutt, Julia McCoey, Ashley M Buckle, Joan K Heath, Graham J Lieschke
In response to infection and injury, the neutrophil population rapidly expands and then quickly re-establishes the basal state when inflammation resolves. The exact pathways governing neutrophil/macrophage lineage outputs from a common granulocyte-macrophage progenitor are still not completely understood. From a forward genetic screen in zebrafish, we identify the transcriptional repressor, ZBTB11, as critical for basal and emergency granulopoiesis. ZBTB11 sits in a pathway directly downstream of master myeloid regulators including PU...
April 6, 2017: Nature Communications
https://www.readbyqxmd.com/read/28247526/naltrexone-ameliorates-functional-network-abnormalities-in-alcohol-dependent-individuals
#20
Laurel S Morris, Kwangyeol Baek, Roger Tait, Rebecca Elliott, Karen D Ersche, Remy Flechais, John McGonigle, Anna Murphy, Liam J Nestor, Csaba Orban, Filippo Passetti, Louise M Paterson, Ilan Rabiner, Laurence Reed, Dana Smith, John Suckling, Eleanor M Taylor, Edward T Bullmore, Anne R Lingford-Hughes, Bill Deakin, David J Nutt, Barbara J Sahakian, Trevor W Robbins, Valerie Voon
Naltrexone, an opioid receptor antagonist, is commonly used as a relapse prevention medication in alcohol and opiate addiction, but its efficacy and the mechanisms underpinning its clinical usefulness are not well characterized. In the current study, we examined the effects of 50-mg naltrexone compared with placebo on neural network changes associated with substance dependence in 21 alcohol and 36 poly-drug-dependent individuals compared with 36 healthy volunteers. Graph theoretic and network-based statistical analysis of resting-state functional magnetic resonance imaging (MRI) data revealed that alcohol-dependent subjects had reduced functional connectivity of a dispersed network compared with both poly-drug-dependent and healthy subjects...
February 28, 2017: Addiction Biology
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