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| Item Type: | Article |
|---|---|
| Title: | Effect of a probiotic on blood pressure in grade 1 hypertension (HYPRO): protocol of a randomized controlled study |
| Creators Name: | Mähler, A., Wilck, N., Rauch, G., Dechend, R. and Müller, D.N. |
| Abstract: | BACKGROUND: Arterial hypertension is a major risk factor for cardiovascular disease and leads to target organ damage including stroke, heart failure, and kidney disease. About 1.5 billion people worldwide have hypertension, and it is estimated that it causes about 8 million deaths each year. Although there are several drugs available to lower blood pressure (BP), a great proportion of treated patients does not reach recommended treatment targets. Typical antihypertensive drugs target the vessels, the kidneys, and the heart. However, our gut microbiota also influences cardiovascular health, and gut dysbiosis is associated with hypertension. In this study protocol, we investigate the potential BP-lowering effect of a probiotic in patients with grade 1 hypertension. METHODS: This study is an exploratory, randomized, double-blind, placebo-controlled, parallel-group study. One hundred ten patients with grade 1 hypertension (treated or untreated) will be randomized to either the probiotic Vivomixx® or placebo. The primary endpoint is the nocturnal systolic BP measured by ambulatory blood pressure monitoring after 8 weeks adjusted for the baseline value. The secondary endpoints are changes from baseline in nocturnal diastolic BP, antihypertensive medication, fecal microbiome composition, fecal and serum metabolome, immune cell phenotypes, glucose variability after three standardized breakfasts, and health-related quality of life (PROMIS-29). We also assess the safety profile of the intervention. DISCUSSION: We postulate that various administrated bacteria (Lactobacilli, Bifidobacteria, and Streptococcus thermophilus) convert dietary components into active metabolites that positively affect immune cell function. A reduction of pro-inflammatory immune cell function could promote a BP-lowering effect. TRIAL REGISTRATION: ClinicalTrials.gov NCT03906578 . Registered on 08 April 2019. |
| Keywords: | Hypertension, Probiotic, Vivomixx®, Blood Pressure, Microbiome, Metabolome, Immune Cell Phenotype, Glucose Variability, Randomized Controlled Trial |
| Source: | Trials |
| ISSN: | 1745-6215 |
| Publisher: | BioMed Central |
| Volume: | 21 |
| Number: | 1 |
| Page Range: | 1032 |
| Date: | 29 December 2020 |
| Official Publication: | https://doi.org/10.1186/s13063-020-04973-0 |
| PubMed: | View item in PubMed |
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