ArticleBritish journal of pharmacology2002
Therapeutic effect of the endogenous fatty acid amide, palmitoylethanolamide, in rat acute inflammation: inhibition of nitric oxide and cyclo-oxygenase systems.
Article in British journal of pharmacology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
52 citing papers in PubMed, 143 citations in OpenAlex.
- Palmitoylethanolamide supplementation partly modulates eccentric exercise-induced changes in the bioactive lipid profile of skeletal muscle tissue.Pflugers Archiv : European journal of physiology · 2026Trial
- Trial
- Use of palmitoylethanolamide in carpal tunnel syndrome: a prospective randomized study.Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology · 2017Trial
- Anti-Inflammatory Potential of Stearidonic Acid Ethanolamide in a Model of Mild Traumatic Brain Injury in Mice.Neuromolecular medicine · 2026Article
- Kaempferol Regulates Lipid Homeostasis, Endocannabinoid System, and PPARα in Rat Cerebral Cortex Following BCCAO/R.Biomolecules · 2025Article
- Palmitoylethanolamide causes dose-dependent changes in brain function and the lipidome.Frontiers in neuroscience · 2024Article
- Cannabinoid Compounds as a Pharmacotherapeutic Option for the Treatment of Non-Cancer Skin Diseases.Cells · 2022Review
- Endocannabinoid levels in peripheral blood mononuclear cells of multiple sclerosis patients treated with dimethyl fumarate.Scientific reports · 2022Article
- Effects of Palmitoylethanolamide on Neurodegenerative Diseases: A Review from Rodents to Humans.Biomolecules · 2022Review
- Anti-Inflammatory Effect of Beta-Caryophyllene Mediated by the Involvement of TRPV1, BDNF and trkB in the Rat Cerebral Cortex after Hypoperfusion/Reperfusion.International journal of molecular sciences · 2022Article
- Effects of Ultramicronized Palmitoylethanolamide on Mitochondrial Bioenergetics, Cerebral Metabolism, and Glutamatergic Transmission: An Integrated Approach in a Triple Transgenic Mouse Model of Alzheimer's Disease.Frontiers in aging neuroscience · 2022Article
- Effect of Ultra-Micronized-Palmitoylethanolamide and Acetyl-l-Carnitine on Experimental Model of Inflammatory Pain.International journal of molecular sciences · 2021Article
- Relative Deficiency of Anti-InflammatoryBiomedicines · 2020Article
- The Basal Pharmacology of Palmitoylethanolamide.International journal of molecular sciences · 2020Review
- Article
- Therapeutic Efficacy of Palmitoylethanolamide and Its New Formulations in Synergy with Different Antioxidant Molecules Present in Diets.Nutrients · 2019Review
- Administration of N-Acyl-Phosphatidylethanolamine Expressing Bacteria to Low Density Lipoprotein ReceptorScientific reports · 2019Article
- Clinical applications of palmitoylethanolamide in pain management: protocol for a scoping review.Systematic reviews · 2019Article
- Efficacy of a Combination of N-Palmitoylethanolamide, Beta-Caryophyllene, Carnosic Acid, and Myrrh Extract on Chronic Neuropathic Pain: A Preclinical Study.Frontiers in pharmacology · 2019Article
- Acute administration of beta-caryophyllene prevents endocannabinoid system activation during transient common carotid artery occlusion and reperfusion.Lipids in health and disease · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
1. The anti-inflammatory activity of the endogenous fatty acid amide palmitoylethanolamide and its relationship to cyclo-oxygenase (COX) activity, nitric oxide (NO) and oxygen free radical production were investigated in the rat model of carrageenan-induced acute paw inflammation and compared with the nonsteroidal anti-inflammatory drug (NSAID) indomethacin. 2. Palmitoylethanolamide (1, 3, 5, 10 mg kg(-1); p.o.) and indomethacin (5 mg kg(-1); p.o.) were administered daily after the onset of inflammation for three days and the paw oedema was measured daily; 24 h after the last dose (fourth day) the rats were killed and the COX activity and the content of nitrite/nitrate (NO(2)(-)/NO(3)(-)), malondialdehyde (MDA), endothelial and inducible nitric oxide synthase (eNOS and iNOS) were evaluated in the paw tissues. 3. Palmitoylethanolamide had a curative effect on inflammation, inhibiting the carrageenan-induced oedema in a dose- and time-dependent manner. This effect was not reversed by the selective CB(2) receptor antagonist (N-[(1S)-endo-1,3,3-trimethylbicyclo[2.2.1]heptan-2yl]-5-(4-chloro-3-methylphenyl)-1-(4-methylbenzyl)pyrazole-3 carboxamide) (SR144528), 3 mg kg(-1) p.o. On the fourth day after carrageenan injection, COX activity and the level of NO(2)(-)/NO(3)(-), eNOS and MDA were increased in the inflamed paw, but iNOS was not present. Palmitoylethanolamide (10 mg kg(-1)) and indomethacin markedly reduced these increases. 4. Our findings show, for the first time, that palmitoylethanolamide has a curative effect in a model of acute inflammation. The inhibition of COX activity and of NO and free radical production at the site of inflammation might account for this activity.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.