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Ultramicronized palmitoylethanolamide (um-PEA), a compound with antioxidant, anti-inflammatory and neuroprotective properties, appears to be a potential adjuvant treatment for early stages of Coronavirus disease 2019 (COVID-19). In our study, we enrolled 90 patients with confirmed diagnosis of COVID-19 that were randomized into two groups, homogeneous for age, gender and BMI. The first group received oral supplementation based on um-PEA at a dose of 1800 mg/day for a total of 28 days; the second group was the control group (R.S. 73.20). At baseline (T0) and after 28 days of um-PEA treatment (T1), we monitored: routine laboratory parameters, inflammatory and oxidative stress (OS) biomarkers, lymphocytes subpopulation and COVID-19 serological response. At T1, the um-PEA-treated group presented a significant reduction in inflammation compared to the control group (CRP = 0.007; IL-6 = 0.0001; neutrophils to lymphocytes ratio = 0.044). At T1, the controls showed a significant increase in OS compared to the treated group (FORT = 0.05). At T1, the um-PEA group exhibited a significant decrease in D-dimer levels ( = 0.0001) and higher levels of IgG against SARS-CoV-2 ( = 0.0001) compared to the controls. Our data demonstrated, in a randomized clinical trial, the beneficial effects of um-PEA in both asymptomatic and mild-symptomatic patients related to reductions in inflammatory state, OS and coagulative cascade alterations.
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http://dx.doi.org/10.3390/ph15020253 | DOI Listing |
Nutrients
June 2025
Department for Sustainable Development and Ecological Transition, University of Piemonte Orientale (UPO), 13100 Vercelli, Italy.
The blood-brain barrier (BBB) plays a critical role in protecting the central nervous system (CNS) but also limits drug delivery. Insufficient knowledge of how the CNS promotes the onset and maintenance of peripheral neuropathic pain limits therapeutic methods for the treatment of persistent neuropathic pain. Thus, this study aimed to evaluate the ability of a novel combination of Palmitoylethanolamide (PEA) and L.
View Article and Find Full Text PDFBiomedicines
May 2025
Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, 00185 Rome, Italy.
Palmitoylethanolamide (PEA) is an endogenous lipid mediator belonging to the N-acyl-ethanolamine family, widely recognized for its multifaceted effects on neuroprotection, chronic pain management, and immune modulation. As a naturally occurring compound, PEA plays a crucial role in maintaining homeostasis under conditions of cellular stress and inflammation. Its pharmacological effects are primarily mediated through peroxisome proliferator-activated receptor-alpha (PPAR-α) activation, alongside indirect modulation of cannabinoid receptors CB1 and CB2, as well as interactions with novel targets such as GPR55 and TRPV1.
View Article and Find Full Text PDFFront Cell Neurosci
April 2025
European Center for Brain Research, Fondazione Santa Lucia IRCCS, Rome, Italy.
Alzheimer's disease (AD) is a progressive neurodegenerative disorder characterized by cognitive and non-cognitive decline associated with neuropathological hallmarks, including neuroinflammation. Palmitoylethanolamide (PEA), an endogenous lipid with anti-inflammatory and neuroprotective properties, has emerged as a promising therapeutic agent in managing AD. This study investigated the therapeutic effects of chronic (6-months) PEA administration subcutaneous pellet in Tg2576 mice, a validated model of AD.
View Article and Find Full Text PDFBrain Commun
March 2025
Department of Clinical and Behavioural Neurology, Santa Lucia Foundation IRCCS, Rome 00179, Italy.
Frontotemporal dementia is a devastating neurodegenerative disorder for which no pharmacological treatments have been approved. Neuroinflammation plays a central role in driving the pathogenic mechanisms underlying frontotemporal dementia. In the last few years, co-ultramicronized palmitoylethanolamide combined with luteoline has emerged as a potential therapeutic molecule in neurodegenerative disorders pathogenically related to frontotemporal dementia, for its demonstrated strong anti-inflammatory and neuroprotective properties.
View Article and Find Full Text PDFNutrients
January 2025
Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy.
Background: Metabolic syndrome (MetS) patients have impaired hypothalamic regulatory functions involved in food intake and energy expenditure and suffer from a state of meta-inflammation. Pre-clinical studies demonstrated that ultramicronized palmitoylethanolamide (PEA) acts both on the adipose tissue and the central nervous system, while hydroxytyrosol (HTyr) counteracts several types of dysmetabolism.
Objectives: The aim of our randomized crossover double-blind placebo-controlled pilot study was to evaluate the potential effects of a food supplement (FS) containing a co-micronized formulation of PEA and rutin along with HTyr, combined with a tailored calorie-controlled Mediterranean diet, in patients with MetS.