Effect of a Specialized Oral Supplement on Nutritional Status and Quality of Life in Non-dialysis CKD

Overview

Patients whit chronic kidney disease (CKD) there is a high prevalence of nutritional disorders and negative changes in body composition, which is strongly associated with an increased risk of morbidity and mortality.

Epidemiological studies have reported that between 30 and 50% of patients with kidney disease show signs of malnutrition and that specifically in patient with CKD in stages 4-5 without replacement therapy, the prevalence of protein energy wasting (PEW) can be up to 45%. Many factors influence the development of PEW, however, one main factor is insufficient intake of energy and macronutrients. The main obstacle that prevents the patient from meeting their nutritional requirements is the presence of gastrointestinal symptoms. In addition to this, dietary restrictions, lack of adherence to eating plans and the presence of digestive and psychological abnormalities of the patient, contribute directly to the patient directly contribute to insufficient energy and protein intake. Therefore, there is a need for evidence-based nutritional treatment strategies that facilitate the patient's achievement of their nutritional requirements and maintain or improve their nutritional supplements in patients with CKD has been shown to be a good treatment strategy. Specifically in patients with CKD without replacement therapy, it has been observed that the use of specialized nutritional supplements can contribute to increasing their energy, fat, and fiber intake, while at the same time achieving a decrease in protein intake without causing any change in serum minerals or electrolytes. This project will provide practical information for the validation of the therapeutic effect of a new specialized food supplement on the nutritional status and quality of life in patients with CKD without replacement therapy, which will be useful both for health professionals and for the patients themselves. MAIN OBJETIVE: To assess the effect and safety of the use of a specialized food supplement on the nutritional status and quality of life of patients with CKD and PEW without replacement therapy. STUDIO DESING: Randomized, blinded clinical trial with an intervention period of 4 months. PROCESS: 1. Identify those patients who are candidates to participate in the clinical trial. 2. Review the inclusion and exclusion criteria. 3. Invite identified patients to participate in the clinical trial. Pre - Nutritional wash out appointment - nutritionist 1. Evaluate inclusion criteria. 2. Review and sign the informed consent. 3. Perform evaluation to indicate a personalized meal plan. 4. Deliver a meal plan. 5. Schedule in 30 days for your next nutritional appointment. 0 - Full Assessment Nutritional Appointment - Nutritionist 1. Evaluate adherence to the meal plan (percentage of adequacy of energy and protein consumption from 70% to 130%). 2. Assign an intervention group randomly (sealed envelope). 3. Perform an evaluation of nutritional status, quality of life and body composition. Offer nutritional treatment according to the assigned intervention group. 4. Schedule an immediate appointment for laboratory tests of blood and urine. 5. Schedule in 30 days for your next nutritional appointment. month 1 - Nutritional monitoring appointment - nutritionist 1. Evaluate adherence to the eating plan. 2. Offer nutritional treatment according to the assigned intervention group. 3. Schedule in 30 days for your next nutritional appointment. 4. Make an appointment a few days before your next nutritional appointment to perform blood and urine lab tests. month 2 - Full Assessment Nutritional Appointment - Nutritionist 1. Perform an evaluation of nutritional status, quality of life and body composition. 2. Offer nutritional treatment according to the assigned intervention group. 3. Schedule in 30 days for your next nutritional appointment. month 3 - Nutritional monitoring appointment - nutritionist 1. Evaluate adherence to the eating plan. 2. Offer nutritional treatment according to the assigned intervention group. 3. Schedule in 30 days for your next nutritional appointment. 4.3 - Nutritional monitoring appointment - nutritionist 5.Evaluate adherence to the eating plan. 6.Offer nutritional treatment according to the assigned intervention group. 7.Schedule in 30 days for your next nutritional appointment. 7.1Schedule a few days before your nutritional appointment for blood and urine lab tests. month 4 - Full Assessment Nutritional Appointment - Nutritionist 1. Perform an evaluation of nutritional status, quality of life and body composition. 2. Offer nutritional treatment according to the assigned intervention group. SAMPLE SIZE: 50 participants STATISTIC ANALYSIS: For the comparison of proportions between the groups, it will be done with X2 or Fisher's exact test and to compare quantitative variables, Student's T or Mann-Whitney U will be used. For the intra-group comparisons, Mc Nemar will be used for the qualitative variables and Anova for repeated samples or Friedman's Anova for the quantitative variables. For the analysis of the interaction or intervening variables, a stratified statistical analysis will be carried out, using contingency tables and the Mantel-Haenszel method. The results will be considered statistically significant if the value of p \<0.05.

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