This trial is active, not recruiting.

Condition urinary calculi
Sponsor Qian-wei Li
Start date November 2013
End date June 2015
Trial size 80 participants
Trial identifier NCT01973088, Southwest Hospital,TMMU


This study intends to use in patients with renal tissue and blood samples, screening and identification of renal tissue hURAT1 regulating the expression of micro-RNA, for further study of uric acid stone formation mechanism and the occurrence of clinical preventive uric acid stones provide new clues and new intervention targets.

United States No locations recruiting
Other countries No locations recruiting

Study Design

Observational model cohort
Time perspective prospective

Primary Outcomes

time frame: 6 months

Secondary Outcomes

time frame: 24 hours
24h urine quantitative analysis
time frame: 96 hours
Blood biochemistry
time frame: 24 hours
Stone analysis
time frame: 3 weeks
hURAT1 transporter protein
time frame: 6 months

Eligibility Criteria

Male or female participants from 18 years up to 65 years old.

Inclusion Criteria: A、B group were enrolled standards: ① aged 18-65 years old; ② comply with percutaneous nephrolithotomy lithotripsy indications for surgery; ③ ECT tips ipsilateral normal or mildly impaired renal function. Group C patients were enrolled standards: ① aged 18-65 years old; ② normal renal function, not associated with urinary calculi in patients; ③ cancer patients met radical nephrectomy indications for surgery; ④ emergency trauma patients suffering from kidney resection surgical indications. Exclusion Criteria: - aged <18 years or> 65 years; ② neurological disease or cognitive dysfunction; ③ can not be corrected or uncorrected coagulopathy; ④ associated with diabetes, hypertension and other metabolic diseases; ⑤ accompanied by tuberculosis, hepatitis, HIV and other infectious diseases; ⑥ poor tolerance to anesthesia and surgery, such as: severe cardiopulmonary disease, coagulation disorders, etc.; ⑦ ultrasound, renal imaging examination revealed renal cortex was significantly thinner (renal cortical thickness <1.5cm), structural variation; ⑧ with severe systemic or urinary tract infection; ⑨ ECT tips ipsilateral renal function is severely impaired or solitary kidney.

Trial information was received from ClinicalTrials.gov and was last updated in December 2013.
Information provided to ClinicalTrials.gov by Southwest Hospital, China.