Trial reportScientific reports2024
Epigallocatechin gallate enhances sympathetic heart rate variability and decreases blood pressure in obese subjects: a randomized control trial.
Trial report in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 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
12 citing papers in PubMed.
- EGCG targeting autophagy in cardiovascular diseases: mechanisms and therapeutic potential.Molecular biology reports · 2026Review
- Thermogenic adipose tissue in older adults with obesity: a narrative review of mechanisms, brown fat resistance, and the translational relevance of exercise and nutrition.Frontiers in nutrition · 2026Review
- Cardioprotective Effects of the Natural Antioxidant Epigallocatechin Gallate.Antioxidants (Basel, Switzerland) · 2025Review
- Interplay between key metabolic hormones, metabolic factors, renal function, and heart rate variability in humans with obesity.Scientific reports · 2025Article
- Natural Compounds TargetingNutrients · 2025Review
- Cardiopulmonary and Immune Alterations in the Ts65Dn Mouse Model of Down Syndrome and Modulation by Epigallocatechin-3-Gallate-Enriched Green Tea Extract.Pharmaceutics · 2025Article
- Catechins and Human Health: Breakthroughs from Clinical Trials.Molecules (Basel, Switzerland) · 2025Review
- Cardioprotective and Anti-Hypertensive Effects of Epigallocatechin Gallate: Novel Insights Into Biological Evidence.Journal of clinical hypertension (Greenwich, Conn.) · 2025Review
- l-theanine: From tea leaf to trending supplement - does the science match the hype for brain health and relaxation?Nutrition research (New York, N.Y.) · 2025Review
- Plant Polyphenols as Heart's Best Friends: From Health Properties, to Cellular Effects, to Molecular Mechanisms of Action.International journal of molecular sciences · 2025Review
- Investigation of the regulatory effects of tea polyphenols on CYP450s in HepG2 cells.Frontiers in nutrition · 2025Article
- Impact of plant-derived antioxidants on heart aging: a mechanistic outlook.Frontiers in pharmacology · 2025Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors.
Funding
Abstract
This study aimed to investigate effects of epigallocatechin gallate (EGCG) on blood pressure (BP) and autonomic nervous system, indicated by 5-min heart rate variability (HRV) measurement in obese subjects, and determine correlations of BP with metabolic factors. In a double-blind, randomized controlled trial, obese subjects (n = 30) were randomly allocated to receive 150 mg EGCG (n = 15) or placebo (n = 15) twice a day without dietary restrictions. After 8-week EGCG treatment, systolic blood pressure (SBP), diastolic blood pressure (DBP), and mean arterial pressure (MAP) significantly decreased, while the low-frequency (LF) to high-frequency power (HF) ratio (LF/HF ratio) significantly increased (P < 0.05 all), indicating a shift toward sympathetic dominance, either directly or indirectly after BP lowering. SBP had positive correlations with obesity parameters, leptin, insulin, and insulin resistance but had a negative correlation with insulin sensitivity. DBP was positively correlated with age and HF in normalized unit, but negatively correlated with height and LF in ms
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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.