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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04058951
Other study ID # NYPRO
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date August 15, 2019
Est. completion date July 2020

Study information

Verified date September 2019
Source University of Copenhagen
Contact Jens Rikardt Andersen, Lector
Phone 23346654
Email jra@nexs.ku.dk
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to investigate if a diet high in plant protein improves kidney function in patients with kidney insufficiency and diabetes and/or hypertension and/or glomerulonephritis. The study is a non-blinded, randomized, controlled, cross-over-design with two intervention periods of each 14 days. Between the two interventions periods there is a washout period of 14 days. The participants are randomized to start with an individualized diet plan containing either high amounts of animal protein or high amounts of plant protein.


Description:

The purpose of this study is to investigate if a diet high in protein (2,0 g/kg/d) of plant origin, decreases proteinuria amongst patients with diabetes, hypertension and/or glomerulonephritis with presence of micro- or mild macro albuminuria, compared to a diet high in protein of animal origin.

Kidney insufficiency is associated with increased morbidity and mortality, decreased quality of life and large financial costs for the health care system.

Evidence suggest that the source of protein may inflect the progression of the kidney disease where soy protein has shown a positive effect on estimated glomerular filtration rate and proteinuria amongst both diabetic and non-diabetic patients with nephropathy.

The study design is a 6-week, non-blinded cluster randomized, controlled, cross-over study with two intervention periods of each 14 days. Between interventions there is a washout period of 14 days. The participants are randomized to follow either a diet high in plant protein (HPPD) or a diet high in animal protein (HAPD). The diet plans are individualized to accommodate the participants energy requirements. Given the high amount of protein in the diets they are supplemented with either soy protein powder or beef protein powder. To measure primary and secondary endpoint, the participants are instructed to collect two times 24-hour urine sample at the first baseline, after 14 days and after 42 days. Blood samples are collected at the first baseline, after 14 days, at the second baseline and after 42 days.

To gain enough statistical power a minimum of 16 participants should be included. To accommodate a drop-out rate of 25%, 20 participants should be enrolled.


Recruitment information / eligibility

Status Recruiting
Enrollment 20
Est. completion date July 2020
Est. primary completion date March 2020
Accepts healthy volunteers No
Gender All
Age group 30 Years and older
Eligibility Inclusion Criteria:

- UACR between 30 and 800 mg/g in minimum two spot urine samples.

- Estimated Glomerular Filtration Rate (eGFR) >30 ml/min. eGFR must have been stabil over the past 6 months defined by a maximal fluctuation in eGFR of 10 ml/min.

- Minimum 30 years of age.

- Danish speaking and writing

- No changes in blood pressure medication for the past three months.

Exclusion Criteria:

- Vegetarianism or veganism

- Pregnancy

Study Design


Intervention

Other:
High Animal Protein Diet (HAPD)
A diet containing 2,0 g protein per kilo body weight per day from primarily animal origin. To accommodate the high protein intake, the diet is supplemented with protein powder based on beef isolate.
High Plant Protein Diet (HPPD)
A diet containing 2,0 g protein per kilo body weight per day exclusively from plant origin. To accommodate the high protein intake, the diet is supplemented with protein powder based on soy isolate.

Locations

Country Name City State
Denmark Hilleroed Hospital Hillerød

Sponsors (3)

Lead Sponsor Collaborator
Jens Rikardt Andersen Nordsjaellands Hospital, Nutricia, Inc.

Country where clinical trial is conducted

Denmark, 

Outcome

Type Measure Description Time frame Safety issue
Primary Urine albumin creatinine ratio (UACR) The change in UACR (assessed by 2 days 24-hour urinal collection) between the two treatment arms 14 days
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