ArticleJournal of medical biochemistry2015
Effect of L-carnitine Supplementation on Circulating C-reactive Protein Levels: A Systematic Review and Meta-Analysis.
Article in Journal of medical biochemistry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 5 of them syntheses that pooled it.
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
16 citing papers in PubMed, 5 syntheses or guidelines pooled it, 31 citations in OpenAlex.
- L-Carnitine in the Treatment of Psychiatric and Neurological Manifestations: A Systematic Review.Nutrients · 2024Pooled it
- The effects of L-carnitine supplementation on inflammatory and anti-inflammatory markers in adults: a systematic review and dose-response meta-analysis.Inflammopharmacology · 2023Pooled it
- The supplementation of L-carnitine in septic shock patients: Systematic review and meta-analysis.Clinics (Sao Paulo, Brazil) · 2022Pooled it
- The effect of L-carnitine on inflammatory mediators: a systematic review and meta-analysis of randomized clinical trials.European journal of clinical pharmacology · 2019Pooled it
- Impact of L-carnitine on plasma lipoprotein(a) concentrations: A systematic review and meta-analysis of randomized controlled trials.Scientific reports · 2016 · on this mapPooled it
- l-Carnitine Supplementation in Older Women. A Pilot Study on Aging Skeletal Muscle Mass and Function.Nutrients · 2018Trial
- Trial
- Nutritional Interventions that Slow the Age-Associated Decline in Renal Function in a Canine Geriatric Model for Elderly Humans.The journal of nutrition, health & aging · 2016Trial
- Revisiting the Role of Carnitine in Heart Disease Through the Lens of the Gut Microbiota.Nutrients · 2024Review
- RETRACTED: Assessing the In Vitro and In Vivo Performance of L-Carnitine-Loaded Nanoparticles in Combating Obesity.Molecules (Basel, Switzerland) · 2023Article
- The effect of l-carnitine supplementation on mortality and clinical outcomes in ventilator-dependent critically ill patients with obesity and COVID-19: Protocol for a randomized double-blind placebo-controlled trial.Contemporary clinical trials communications · 2023Article
- Article
- The effects of L-carnitine supplementation on indicators of inflammation and oxidative stress: a systematic review and meta-analysis of randomized controlled trials.Journal of diabetes and metabolic disorders · 2020Review
- Effects of Carnitine Administration on Carotid Intima-media Thickness and Inflammatory Factors in Patients with Polycystic Ovary Syndrome: A Randomized, Double-blind, Placebo-controlled Trial.International journal of preventive medicine · 2019Article
- The Benefit of Anti-Inflammatory and Renal-Protective Dietary Ingredients on the Biological Processes of Aging in the Kidney.Biology · 2018Review
- Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
1 author at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundC-reactive protein (CRP) has been proposed as a risk marker and risk factor of cardiovascular disease. There have been a number of clinical reports suggesting that supplementation with L-carnitine can modulate systemic inflammation and lower circulating CRP concentrations, but the results have not been consistent.
methodsA comprehensive literature search in Medline, Scopus and Cochrane Central Register of Controlled Trials was performed in December 2012 to identify clinical trials investigating the impact of oral L-carnitine supplementation on serum/plasma CRP concentration. A random effect method was used to calculate the combined effect size.
resultsSix studies comprising 541 cases and 546 controls met the inclusion criteria. Meta-analysis of included trials revealed a significant reduction of circulating CRP concentrations in subjects under L-carnitine intervention compared to the control treatment. The calculated combined weighted mean reduction in CRP concentrations was -0.39 mg/L [95% CI (-0.62 - -0.16)]. This effect size estimate was found to be robust and remained unaffected by the removal of each single study.
conclusionsThe overall findings of the present meta-analysis support the clinically relevant benefit of L-carnitine supplementation in lowering the circulating levels of CRP.
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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.