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The role of ketamine and its enantiomer in managing depression and pain in cancer patients: A narrative review.
J Anesth Transl Med
December 2024
Department of Anesthesiology, Moffitt Cancer Center, Tampa, FL 34433, USA.
Depression and pain are common comorbidities in cancer patients, and ketamine, a dissociative anesthetic, has shown potential in managing both. This review summarizes current literature on ketamine and its enantiomer, esketamine, in managing depression and pain in the oncologic population. Studies indicate that sub-anesthetic doses of intravenous ketamine and esketamine can alleviate postoperative depressive symptoms in cancer patients with a tolerable safety profile.
View Article and Find Full Text PDFThe ketamine chameleon: history, pharmacology, and the contested value of experience.
Expert Rev Clin Pharmacol
January 2025
Department of Psychiatry, McGill University, Montréal, Canada.
Introduction: Since its synthesis in 1962, ketamine has been widely used in diverse medical contexts, from anesthesia to treatment-resistant depression. However, interpretations of ketamine's subjective effects remain polarized. Biomedical frameworks typically construe the drug's experiential effects as dissociative or psychotomimetic, while psychedelic paradigms emphasize the potential therapeutic merits of these non-ordinary states.
View Article and Find Full Text PDFRenin-angiotensin-aldosterone system activation in plasma as marker for prognosis in critically ill patients with COVID-19: a prospective exploratory study.
Ann Intensive Care
January 2025
Department of Anaesthesia, Intensive Care Medicine and Pain Medicine, Division of General Anaesthesia and Intensive Care Medicine, Medical University of Vienna, Vienna, Austria.
Background: Acute respiratory distress syndrome (ARDS) associated with coronavirus infectious disease (COVID)-19 has been a challenge in intensive care medicine for the past three years. Dysregulation of the renin-angiotensin system (RAS) is linked to COVID-19, but also to non-COVID-19 ARDS. It is still unclear whether changes in the RAS are associated with prognosis of severe COVID-19.
View Article and Find Full Text PDFNeurophysiological correlates of ketamine-induced dissociative state in bipolar disorder: insights from real-world clinical settings.
Mol Psychiatry
January 2025
Siena Brain Investigation and Neuromodulation Lab, Department of Medicine, Surgery and Neuroscience, University of Siena, Siena, Italy.
Ketamine, a dissociative compound, shows promise in treating mood disorders, including treatment-resistant depression (TRD) and bipolar disorder (BD). Despite its therapeutic potential, the neurophysiological mechanisms underlying ketamine's effects are not fully understood. This study explored acute neurophysiological changes induced by subanesthetic doses of ketamine in BD patients with depression using electroencephalography (EEG) biomarkers.
View Article and Find Full Text PDFHigh-Throughput Dissociation and Orthotopic Implantation of Breast Cancer Patient-Derived Xenografts.
J Vis Exp
December 2024
Division of Exercise Physiology, Department of Health Professions, West Virginia University School of Medicine; Cancer Institute, West Virginia University School of Medicine; 3Department of Microbiology, Immunology, and Cell Biology, West Virginia University School of Medicine;
Article Synopsis
- Patient-derived xenografts (PDXs) offer a valuable approach to study breast cancer (BC) by mimicking real tumor environments and systemic effects, which in vitro models cannot achieve.
- A new method for orthotopic implantation of BC PDXs in immunodeficient mice eliminates the need for anesthesia, is less invasive, and allows for faster and scalable tumor model development.
- The validation process of the tumors includes assessing receptor status, confirming morphology, and verifying genetic similarity to patient samples, facilitating robust research across different BC subtypes.
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