The Effects of Fiber Fortified Foods to the Diets of Chronic Kidney Disease Patients
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ClinicalTrials.gov Identifier: NCT01842087 |
Recruitment Status :
Completed
First Posted : April 29, 2013
Last Update Posted : March 18, 2020
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Condition or disease | Intervention/treatment | Phase |
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Chronic Kidney Disease | Other: Control Food Other: Fiber Fortified Food | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 15 participants |
Allocation: | Non-Randomized |
Intervention Model: | Single Group Assignment |
Masking: | Single (Participant) |
Primary Purpose: | Basic Science |
Official Title: | An Investigation Into Pulse Fiber Fermentation and Nitrogen Excretion in Patients With Chronic Renal Failure |
Study Start Date : | April 2010 |
Actual Primary Completion Date : | November 2010 |
Actual Study Completion Date : | November 2010 |

Arm | Intervention/treatment |
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Placebo Comparator: Control Foods
For a period of 2 weeks, participants will consume control foods in addition to their usual diets.
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Other: Control Food
For a period of 2 weeks, participants will consume control foods in addition to their usual diets.
Other Names:
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Experimental: Fiber Fortified Foods
For a period of 4 weeks, participants will consume food fortified with fiber in addition to their usual diets.
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Other: Fiber Fortified Food
For a period of 4 weeks, participants will consume food fortified with fiber in addition to their usual diets.
Other Names:
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- Impact of added fiber on blood urea nitrogen (BUN) [ Time Frame: up to 42 days of the study ]Blood samples (10 mL) will be taken on day 1, 14, 28, and 42. BUN will be assayed using the Urea Nitrogen Concentrated Reagent method.
- Impact of foods with added fiber on estimated Glomerular Filtration Rate (eGFR) [ Time Frame: Days 1, 14, 28 and 42 of the study ]eGFR will be calculated using the Modification of Diet in Renal Disease formula on days 1, 14, 28 and 42 of the study.
- Impact of foods with added fiber on Serum Creatinine [ Time Frame: Days 1, 14, 28 and 42 of the study ]Serum creatinine will be assayed using the ADVIA Chemistry CRE_2c method.
- Impact of foods with added fiber on bowel movement frequency [ Time Frame: Daily ]Participants will complete daily diaries to evaluate bowel movement frequency.
- Impact of foods with added fiber on Kidney Disease Quality of Life (KDQOL-36) questionnaire [ Time Frame: Days 1, 14, 28 and 42 ]Participants will complete the Kidney Disease Quality of Life (KDQOL-36) questionnaire for 4 specific days during the study.
- Impact of foods with added fiber on Simplified Nutritional Appetite Questionnaire (SNAQ) [ Time Frame: Days 1, 14, 28 and 42 of the study ]
- Impact of foods with added fiber on Epworth Sleepiness Scale (ESS) [ Time Frame: Days 1, 14, 28 and 42 of the study ]
- Impact of foods with added fiber on Gastrointestinal Symptom Rating Scale (GSRS) [ Time Frame: Days 1, 14, 28 and 42 of the study ]

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Participants must:
- Be 18 years of age or older
- Have eGFR (estimated glomerular filtration rate) of less than 50 mL/min/1.73 m2 (stage 3,4 and 5 but who are not on dialysis)
Exclusion Criteria:
Participants must not:
- Have been diagnosed with acute kidney injury (AKI)
- Have been diagnosed with glumerulonephritis (GN)
- Have been on immunosuppressant/steroid medications
- Be taking a probiotic supplement and refuse to discontinue it
- Be scheduled for dialysis within 3 months of study initiation
- Have a history of liver disease
- Be on dialysis
- Have undergone renal transplantation
- Be breastfeeding
- Have active gastrointestinal bleeding
- Have a change in medications over the past 4 weeks

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01842087
United States, Florida | |
University of Florida | |
Gainesville, Florida, United States, 32611 |
Principal Investigator: | Wendy J Dahl, PhD, RD | University of Florida |
Responsible Party: | University of Florida |
ClinicalTrials.gov Identifier: | NCT01842087 |
Other Study ID Numbers: |
16-2010 |
First Posted: | April 29, 2013 Key Record Dates |
Last Update Posted: | March 18, 2020 |
Last Verified: | March 2020 |
Chronic Kidney Disease Fiber BUN |
Serum Creatinine Uremic Symptoms Quality of Life |
Kidney Diseases Renal Insufficiency, Chronic Urologic Diseases |
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