Effects of Synbiotics Supplementation on the Uremic Toxin Indoxyl Sulfate Level and Constipation in End-stage Renal Disease Patients Undergoing Hemodialysis
NCT ID: NCT04527640
Last Updated: 2020-08-28
Study Results
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Basic Information
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UNKNOWN
NA
60 participants
INTERVENTIONAL
2020-09-15
2021-02-28
Brief Summary
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Detailed Description
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Synbiotics administrations had become one of the many ways to improve gut dysbiosis as it is expected to lower the level of indoxyl sulfate and improve the symptoms of constipation and constipation-related quality of life. Although studies had investigated the role of probiotics/prebiotics/synbiotics, the role of synbiotics in lowering the concentration of the uremic toxin indoxyl sulfate remains inconclusive. Therefore, this study is conducted to demonstrate the benefits of synbiotics administration in lowering the concentration of indoxyl sulfate in end-stage renal disease patients undergoing hemodialysis, This is the first study in Indonesia investigating the effects of synbiotics supplementation in end-stage renal disease patients undergoing hemodialysis.
This study is a double-blind, placebo-controlled, randomized clinical trial conducted on end-stage renal disease patients undergoing hemodialysis. Patients will be divided into two arms: synbiotics and placebo. The study will take place in the hemodialysis unit of Dr. Cipto Mangunkusumo General Hospital in September 2020 to February 2021. A total of 60 participants will be recruited for the study (30 in each arm), who will be randomized into the synbiotic arm or the placebo arm. Both investigators and patients will be blinded to the treatment, and blinding will be conducted by the pharmacy unit of Dr. Cipto Mangunkusumo General Hospital.
Patients who had consented to participate will be assessed for medical history and physical examination. Food recall evaluation will also be performed by a nutritionist. Blood samples will be collected from the patient for laboratory examinations, including haemoglobin, white blood cells (WBC), platelet, urea, creatinine, albumin, and indoxyl sulfate. Patients will also be asked to complete two questionnaires: the Patient Assessment of Constipation Symptoms (PAC-SYM) questionnaire to assess the symptoms of constipation and the Patient Assessment of Constipation Quality of Life (PAC-QOL) questionnaire to assess constipation-related quality of life. After this, patients will be randomized into one of the two study arms. The data will serve as baseline data.
Patients will receive 2 capsules containing either synbiotics or placebo per day for the next 30 days. Afterwards, the patients will undergo examination to evaluate food recall and side effects. After evaluation, the patients will once again receive 2 capsules containing either synbiotics or placebo per day for the next 30 days, and after a total 2 months of interventions, will undergo examinations similar to that done in baseline examination.
The primary outcome of this study is the concentration of indoxyl sulfate in end-stage renal disease patients undergoing hemodialysis. Secondary outcomes include the symptoms of constipation and constipation-related quality of life in end-stage renal disease patients undergoing hemodialysis.
This study will be done according to the principles detailed in Helsinki declaration, Guideline for Good Clinical Practice from ICH Tripartite Guideline (ICH-GCP), and had been approved by the Ethical Committee of the Faculty of Medicine of Indonesia University.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
SUPPORTIVE_CARE
TRIPLE
Study Groups
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Synbiotic Arm
Patients receiving synbiotics: Lactobacillus acidophilus \& Bifidobacterium longum 5x10\^9 Colony Forming Unit (CFU) and Fructooligosaccharides (FOS) 60 mg, 2 capsules/day for 60 days
Synbiotics containing Lactobacillus acidophilus & Bifidobacterium longum 5x10^9 CFU and FOS 60 mg
Patients will undergo baseline examination including medical history and physical examination, blood samples will be collected for hemoglobin, WBC, platelet, urea, creatinine, albumin and indoxyl sulfate level. Patients will be asked to complete 2 questionnaires the PAC-SYM and PAC-QOL questionnaires, and will undergo food recall evaluations by a nutritionist. They will then be given 2 capsules of synbiotics per day for 30 days. After 1 month of intervention, the patients will be evaluated for food recall and side effects. Afterwards, the patients will receive 2 capsules of the same synbiotics per day for the next 30 days. After 2 months of intervention, the patients' history will be taken, they will be asked to complete the PAC-SYM and PAC-QOL questionnaires, undergo food recall examination, and side effects evaluation. Blood samples will be taken for indoxyl sulfate examination.
Placebo Arm
Patients receiving placebo capsules containing saccharum lactis (2 capsules/day for 60 days)
Placebo
Patients will undergo baseline examination including medical history and physical examination, blood samples will be collected for hemoglobin, WBC, platelet, urea, creatinine, albumin and indoxyl sulfate level. Patients will be asked to complete 2 questionnaires the PAC-SYM and PAC-QOL questionnaires, and will undergo food recall evaluations by a nutritionist. They will then be given 2 capsules of placebo per day for 30 days. After 1 month of intervention, the patients will be evaluated for food recall and side effects. Afterwards, the patients will receive 2 capsules of the same placebo per day for the next 30 days. After 2 months of intervention, the patients' history will be taken, they will be asked to complete the PAC-SYM and PAC-QOL questionnaires, undergo food recall examination, and side effects evaluation. Blood samples will be taken for indoxyl sulfate examination.
Interventions
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Synbiotics containing Lactobacillus acidophilus & Bifidobacterium longum 5x10^9 CFU and FOS 60 mg
Patients will undergo baseline examination including medical history and physical examination, blood samples will be collected for hemoglobin, WBC, platelet, urea, creatinine, albumin and indoxyl sulfate level. Patients will be asked to complete 2 questionnaires the PAC-SYM and PAC-QOL questionnaires, and will undergo food recall evaluations by a nutritionist. They will then be given 2 capsules of synbiotics per day for 30 days. After 1 month of intervention, the patients will be evaluated for food recall and side effects. Afterwards, the patients will receive 2 capsules of the same synbiotics per day for the next 30 days. After 2 months of intervention, the patients' history will be taken, they will be asked to complete the PAC-SYM and PAC-QOL questionnaires, undergo food recall examination, and side effects evaluation. Blood samples will be taken for indoxyl sulfate examination.
Placebo
Patients will undergo baseline examination including medical history and physical examination, blood samples will be collected for hemoglobin, WBC, platelet, urea, creatinine, albumin and indoxyl sulfate level. Patients will be asked to complete 2 questionnaires the PAC-SYM and PAC-QOL questionnaires, and will undergo food recall evaluations by a nutritionist. They will then be given 2 capsules of placebo per day for 30 days. After 1 month of intervention, the patients will be evaluated for food recall and side effects. Afterwards, the patients will receive 2 capsules of the same placebo per day for the next 30 days. After 2 months of intervention, the patients' history will be taken, they will be asked to complete the PAC-SYM and PAC-QOL questionnaires, undergo food recall examination, and side effects evaluation. Blood samples will be taken for indoxyl sulfate examination.
Eligibility Criteria
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Inclusion Criteria
* Had undergone hemodialysis twice a week for a minimum of 3 months, with each visit lasting 5 hours
* Had only undergone hemodialysis therapy (not peritoneal dialysis/kidney transplantation)
* No history of malignancy or undergoing chemotherapy/radiation therapy
* No history of autoimmune disease or consuming immunosuppressants
* No history of bowel resection
* Had never been diagnosed with Crohn's disease or ulcerative colitis
Exclusion Criteria
* Patients consuming prebiotics/probiotics/synbiotics within the past 3 weeks
* Patients experiencing infection or is consuming antibiotics
* Patients who are not willing to participate
18 Years
ALL
No
Sponsors
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Indonesia University
OTHER
Responsible Party
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Dr. Aida Lydia, PhD, SpPD-KGH
Teaching Staff, Faculty of Medicine, Indonesia University; Head of Kidney & Hypertension Division, Faculty of Medicine, Indonesia University
Principal Investigators
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Aida Lydia, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
Indonesia University
Central Contacts
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References
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Other Identifiers
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20-07-0796
Identifier Type: -
Identifier Source: org_study_id
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