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| http://dx.doi.org/10.1136/bmj.319.7210.627 | DOI Listing |
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Morphine-Induced Elevation of Reactive Oxygen Species Attenuates Chemotherapy Efficacy in Diverse Cancer Cell Types.
Curr Mol Med
January 2025
Department of Anesthesiology, Baoan Central Hospital of Shenzhen, Shenzhen, Guangdong Province, China.
Background: Morphine, a mu-opioid receptor (MOR) agonist commonly utilized in clinical settings alongside chemotherapy to manage chronic pain in cancer patients, has exhibited contradictory effects on cancer, displaying specificity toward certain cancer types and doses.
Objective: The aim of this study was to conduct a systematic assessment and comparison of the impacts of morphine on three distinct cancer models in a preclinical setting.
Methods: Viability and apoptosis assays were conducted on a panel of cancer cell lines following treatment with morphine, chemotherapy drugs alone, or their combination.
Postoperative analgesia with morphine promoting microglial activation and neuroinflammation induced by surgery aggravates perioperative neurocognitive dysfunction in aged mice.
IBRO Neurosci Rep
June 2025
Department of Anesthesiology, The Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200090, China.
Introduction: Perioperative neurocognitive dysfunction (PND) is a significant challenge for patients who need surgery worldwide. Morphine can trigger an intense inflammatory reaction in the central nervous system (CNS) at the same time as analgesia, thus adverse effects aggravating PND. Microglia polarization is closely involved in the regulation of neuroinflammation and the TLR4/MyD88/NF-κB signaling pathway.
View Article and Find Full Text PDFIncidence of Delirium during the Initiation Phase of Morphine and Hydromorphone Therapy in Cancer Patients: A Retrospective Comparative Study.
Can J Hosp Pharm
January 2025
, RPh, is with the Department of Pharmacy, Shizuoka Cancer Center, Shizuoka, Japan.
Background: Opioids are known to induce delirium, and the incidence of delirium induced by individual opioids has been investigated. However, only a limited number of studies have examined the incidence of delirium induced by oral hydromorphone.
Objective: To investigate whether differences exist in the incidence of delirium associated with oral morphine and oral hydromorphone during the initiation phase of treatment.
Deep brain stimulation of the anterior cingulate cortex reduces opioid addiction in preclinical studies.
Sci Rep
January 2025
Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, No. 38, Italia Ave., Ghods St, Keshavarz Boulevard, Tehran, Iran.
Substance Use Disorder (SUD) is a medical condition where an individual compulsively misuses drugs or alcohol despite knowing the negative consequences. The anterior cingulate cortex (ACC) has been implicated in various types of SUDs, including nicotine, heroin, and alcohol use disorders. Our research aimed to investigate the effects of deep brain stimulation (DBS) in the ACC as a potential therapeutic approach for morphine use disorder.
View Article and Find Full Text PDFExcipient lung disease with transient severe pulmonary hypertension in a healthcare professional injecting crushed oxycodone tablets.
BMJ Case Rep
January 2025
Department of Respiratory Medicine, Alfred Health, Melbourne, Victoria, Australia
Excipient lung disease (ELD) is a rare cause of pulmonary hypertension that occurs due to the intravenous injection of crushed tablets. We present the case of a healthcare professional in her late 30s who presented with a fever in the setting of a bacteraemia. During her hospital admission, she established a pattern of transient hypoxia and hypotension, with resolution without targeted management or clear cause identified.
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