Obesity Clinical Trial - Influence of Hypocaloric Diet on Urinary

Status Completed

Clinical Trial Summary

The objective of this study is to evaluate the influence of low-calorie diet on serum and urinary metabolic parameters of obese adults with urinary calculi and lithogenic metabolic abnormalities.

Clinical Trial Description

Objective: to evaluate the influence of low-calorie diet on serum and urinary metabolic parameters of obese adults with urinary calculi and lithogenic metabolic abnormalities. Method: prospective study of 50 patients, aged over 18 years, with a body mass index above 30 kg/m2, urinary calculi and lithogenic metabolic abnormalities. Will be excluded from the study patients with psychiatric diagnoses other than depression, patients with inability to attend to clinical follow-up, patients with nephrocalcinosis, patients with urinary tract infection, patients with cystinuria and patients subjected to previous surgeries to treat obesity. Each patient will be evaluated monthly on the same day by urologist and nutritionist. On the first evaluation, will be done anamnesis, anthropometric measurements of weight, height, waist, bioimpedance and requested total serum calcium, phosphate, sodium, potassium, urea, creatinine, uric acid, and PTH, pH venous blood, urine tests type I, culture of urine and urine tests of calcium, oxalate, phosphate, sodium, potassium, citrate, magnesium, creatinine, uric acid, cystine and computed tomography for evaluation of urinary calculus. In the second evaluation, 30 days after, anthropometric measures will be repeated, bioimpedance and nutritional assessment will be made with recommendation of daily ingestion of 2500 ml of water and low-calorie diet of 16 Kcal/kg bw/day and requested total serum calcium, phosphate, sodium, potassium, urea, creatinine, uric acid, and PTH, pH venous blood, urine tests type I, culture of urine and urine tests of calcium, oxalate, phosphate, sodium, potassium, citrate, magnesium, creatinine, uric acid, cystine. Patients will be monitored monthly for 3 months with anthropometric measurements, bioimpedance and strengthening of nutritional recommendations. By the end of the third month, patients will be submitted to two series of serum and urine tests as before the diet. The results of serum and urine tests from the beginning of dietary treatment will be compared to those of the end of the treatment with Student T test. P<0.05 are considered significant. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02690662
Study type	Interventional
Source	University of Sao Paulo General Hospital
Contact
Status	Completed
Phase	N/A
Start date	February 2016
Completion date	May 2018

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Influence of Hypocaloric Diet on Urinary Lithogenic Factors of Obese Patients With Kidney Stones

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms