nephrolithiasis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 18 to 55 years old; male; any race, healthy volunteers; non-smoking; without drug addiction, use of alcohol or medicines.
Exclusion criteria
Exclusion criteria: Female; elderly (age>55years); any clinically detectable disease, found on clinical history or physical examination; abnormal ECG (except unspecific ventricular repolarization changes, sinus brady/tachycardia); abnormal laboratory tests in blood cells count, kidney, reproductive, metabolic or hepatic function; participation in clinical trials in the last year; history of allergic reaction to medicines; use of any drug one week before the beginning or during the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main outcome will be the absence of occurrence of serious adverse event. Laboratory tests for acute renal injury (creatinin and injury tubular markers Ngal, NAG, KIM-1 and alfa1 microglobulin); acute liver injury (SGOT, SGPT, gama-GT,blirubins, alkaline phosphatase); cardiac damage (measurement of QT and QTc value on ECG); hematologic toxicity (Hb, Ht, white blood cells, platelets); reproductive toxicity (espermogram, inhibin-B, FSH, LH, testosterone) and metabolic changes (glucose and lipidrogram) will be compared after and before the administration of C. langsdorffii Standardized Extract. Clinical signs and symptoms eventually reported by subjects of study will be recorded. | — |
Secondary
| Measure | Time frame |
|---|---|
| Change of urinary biochemical parameters to non-lithogenic pattern. The concentration of pro-lithogenic elements (calcium, uric acid, oxalate, phosphate and pH) and inhibitors of stone formation (citrate and magnesium) will be measured in 24h urine samples before and after the administration of C. langsdorffii Standardized Extract. | — |
Countries
Brazil
Contacts
Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto