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From relaxed beliefs under psychedelics (REBUS) to revised beliefs after psychedelics (REBAS).
Sci Rep
January 2025
Centre for Psychedelic Research, Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, UK.
The Relaxed Beliefs Under pSychedelics (REBUS) model proposes that serotonergic psychedelics decrease the precision weighting of neurobiologically-encoded beliefs. We conducted a preliminary examination of two psychological assumptions of REBUS: (a) psychedelics foster acute relaxation and post-acute revision of confidence in mental-health-relevant beliefs; which (b) facilitate positive therapeutic outcomes and are associated with the entropy of EEG signals. Healthy individuals (N = 11) were administered 1 mg and 25 mg psilocybin 4-weeks apart.
View Article and Find Full Text PDFIn-Situ Monitoring of Dissolution and Crystallization Processes of Carbamazepine Using Low-Frequency Raman Spectroscopy and Multivariate Analysis.
Chem Pharm Bull (Tokyo)
January 2025
Department of Molecular Pharmaceutics, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan.
Optimization of the manufacturing process based on scientific evidence is essential for quality control of active pharmaceutical ingredients. Real-time monitoring can ensure the production of stable quality crystals in the crystallization process. Raman spectroscopy is an attractive tool for pharmaceutical quality evaluation and process analytical technology because of its ability to analyze samples non-destructively and rapidly.
View Article and Find Full Text PDFPharmacotherapy for Tourette Syndrome.
Psychiatr Clin North Am
March 2025
Pediatric Psychiatry OCD and Tic Disorders Program, Department of Psychiatry, Massachusetts General Hospital, 185 Cambridge Street, Suite 2000, Boston, MA 02114, USA. Electronic address:
Tourette syndrome (TS) is associated with dysregulated cortico-striatal-thalamo-cortical neural circuitry, of which the primary implicated neurotransmitters include dopamine, glutamate, and gamma-aminobutyric acid. Pharmacologic intervention for tics should be considered when tics are causing psychological, functional, or physical impairment, and behavioral treatment is either inaccessible or ineffective. Only 3 medications have Food and Drug Administration approval for TS, including 2 typical antipsychotics (pimozide and haloperidol) and 1 atypical antipsychotic (aripiprazole).
View Article and Find Full Text PDFPersistent low concentrations of antiepileptics in a critically ill paediatric patient: an example of multiple potential drug interactions.
BMJ Case Rep
January 2025
Clinical Pharmacology, Aalborg University Hospital, Aalborg, Region Nordjylland, Denmark
A middle childhood boy with epilepsy exhibited persistent low concentrations of valproic acid, lamotrigine and topiramate for over 1 month, primarily due to pharmacokinetic interactions involving fosphenytoin, meropenem and phenobarbital. Awareness of these clinically significant interactions is crucial for ensuring effective seizure control. However, further research is needed to establish optimal evidence-based treatment strategies in complex paediatric cases.
View Article and Find Full Text PDFAntidepressants versus placebo for generalised anxiety disorder (GAD).
Cochrane Database Syst Rev
January 2025
Department of Psychiatry and Department of Epidemiology and Biostatistics, Western University, St Thomas, Canada.
Background: Generalised anxiety disorder (GAD) is a mental health condition characterised by excessive anxiety and worry about everyday events. GAD is a common disorder and generally affects women twice as often as men. Treatments include various psychological and pharmacological therapies.
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