Evaluation Of The Efficacy of a Strain-Specific Probiotic Formulation in Hemodialysis Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

52 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-06-30

Study Completion Date

2017-12-31

Brief Summary

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Previous studies found that lactic acid bacteria could inhibit the activity of the performance of aristolochic acids (AAs) and improve apoptosis of proximal tubular epithelial cells (NRK-52E) and renal fibrosis on rats. The aim of this study is to assessment a novel health food of lactic acid bacteria for preventing renal dysfunction and replacing or assisting conventional drug treatment. This study in 300 hemodialysis patients with dialysis quality assessment index (KT/V, urea reduction ratio (URR), albumin, prealbumin, Hb, CRP…) screened for more than three months, and the stability of the situation in dialysis patients. They will be divided into two groups in order to conduct ergonomic assessments. One group maintains their original diet and medicine. The other group will take the novel lactic acid bacteria and placebo (1x1011 cfu/3±0.2 g/bag) in every morning and evening after their meals. The effect of 0, 6, 12, 18, 24 weeks of the novel lactic acid bacteria will be assessed after starvation for 4 weeks. Group C was the control group did not give any test samples, but continued to observe. The overall goal of the aforementioned study is to develop a novel food product of lactic acid bacteria which can improve dialysis quality for hemodialysis patients. The investigators hope that this novel product can get a patent and be commercialized.

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Detailed Description

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Background:

Insulin resistance (IR) and its associated metabolic disorders are common features of chronic kidney disease (CKD)and accumulating evidence suggested they are important contributors for the cardiovascular burden of CKD patients. In recent years, the modification of the intestinal ﬂora and activation of inflammation pathways have been implicated in the pathogenesis of IR in patients suffering from metabolic syndrome. These important discoveries have led to major advances in understanding the mechanisms of uraemia-induced IR. Furthermore, recent studies show impairment of the intestinal barrier and renal function function as well as changes in the composition of the gut microbiome can contribute to the prevailing inflammation, and gut-derived uremic toxins. Some of these uraemic toxins have been linked to the pathogenesis of IR.

Probiotics is one of the functional foods believed to mediate their health promoting activities through modulating the composition of the gut health. Ingestion of probiotics has been shown not only to influence gut microbiota composition but also the secretion of the gut hormones that ameliorate insulin resistance in animal models. Limited trials in human also showed that supplementation with probiotic not only affect glucose homeostasis, but improved other diabetes related comorbidities such as metabolic syndrome, hypertension, and hyperlipidemia. It also increasing clear that many of the multifactorial physiological functions of gut bacteria are highly strain specific, preselection of appropriate probiotic strains based on their expression of functional biomarkers is critical

Objectives and hypotheses:

To address this research gap, this randomized controlled trial is proposed to determine the efficacy of probiotic formulation to improve metabolic profile and reduction of uremic toxins through modulating gut microbiota composition and gut immune function in hemodialysis patients.The investigators hypothesized that the probiotic supplementations will improve blood glucose control as well as other related metabolic aberrations and lower the levels of gut-derived uremic toxins.

Methodology:

This is a single center, double blind randomized parallel group control trial with 6 months probiotic formulation with strain specific lactobacillus or placebo. After screening the eligible subjects will be selected. Then, after consent taking and 4 weeks of washout period, participants will be randomly assigned to either receive probiotic formulation or placebo for 6 months. Measurements of blood parameters including glycemic control related parameters, lipid profile, nutritional markers, inflammatory markers and uremic toxins. Nutritional assessments, quality of life assessment and anthropometry measurements will take place at baseline, and after 24 months.

Conditions

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End Stage Renal Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Randomized placebo controlled trial

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Placebo

Placebo packet will be given at a dose of one sachet thrice daily for 24 weeks; Placebo packet contain all excipients as present in packets (without the 3 strains of bacteria as mentioned above).

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DIETARY_SUPPLEMENT

Placebo packet will be given at a dose of one sachet thrice daily for 24 weeks; Placebo packet contain all excipients as present in packets (without the 3 strains of bacteria as mentioned above).

Probiotic packet

Probiotic formulation will be given at a dose of one packet thrice daily for 24 weeks, amounting to a total of 300 billion colony forming units(CFU)/day. Each packet contains 100 billion viable lyophilized bacteria of three strains of Lactobacillus viz Lactococcus lactis subsp. Lactis LL358 (BCRC910699)、Lactobacillus salivarius LS159 (BCRC910700) and Lactobacillus pentosus and excipients.

Group Type EXPERIMENTAL

Probiotic packet

Intervention Type DIETARY_SUPPLEMENT

Probiotic formulation will be given at a dose of one packet thrice daily for 24 weeks, amounting to a total of 300 billion colony forming units(CFU)/day. Each packet contains 100 billion viable lyophilized bacteria of three strains of Lactobacillus viz Lactococcus lactis subsp. Lactis LL358 (BCRC910699)、Lactobacillus salivarius LS159 (BCRC910700) and Lactobacillus pentosus and excipients.

Interventions

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Probiotic packet

Probiotic formulation will be given at a dose of one packet thrice daily for 24 weeks, amounting to a total of 300 billion colony forming units(CFU)/day. Each packet contains 100 billion viable lyophilized bacteria of three strains of Lactobacillus viz Lactococcus lactis subsp. Lactis LL358 (BCRC910699)、Lactobacillus salivarius LS159 (BCRC910700) and Lactobacillus pentosus and excipients.

Intervention Type DIETARY_SUPPLEMENT

Placebo

Placebo packet will be given at a dose of one sachet thrice daily for 24 weeks; Placebo packet contain all excipients as present in packets (without the 3 strains of bacteria as mentioned above).

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

1. Both sexes aged between 20-75 years.
2. Received stable hemodialysis at least 3 months.
3. Written informed consent.

Exclusion Criteria

1. patients with severe infections, severe heart disease and liver disease, malignancy, autoimmune disorders, severe malnutrition, or clinical conditions requiring oral nutrition supplements;
2. Inability to follow protocol.
3. patients with known gastro-intestinal disease (i.e.,inflammatory bowel disease,crohn's disease,ulcerative colitis)
4. Use of antibiotics, prebiotics or probiotics and immunosuppression medications in the past 4 weeks
5. Pregnancy or wishing/trying to get pregnant

Minimum Eligible Age

20 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No