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Clinical Trial Summary

The traditional stone row method comprises increasing exercise, drink lots of water, drug row of stone and stone row position. External physical vibration lithecbole(EPVL) is a non-invasive device active row of stone, the researchers hope that through this test prospective clinical study to evaluate the effectiveness of in vitro physical vibration row of stones after extracorporeal shockwave lithotripsy(ESWL) treatment of stones discharged, thereby improving after ESWL stone clearance rate.


Clinical Trial Description

To evaluate the efficacy and safety of external physical vibration lithecbole(EPVL) for the treatment after ESWL treatment of stones discharged,thereby improving after extracorporeal shockwave lithotripsy(ESWL) stone clearance rate. Investigators will do a multi-centers randomized controlled trial(RCT),and investigators plan to perform this study in 10 hospitals,which are the First Affiliated Hospital of Guangzhou Medical University of China, Department of Urology, The Second Affiliated Hospital of Zhengzhou University of China, Jiangsu Province Hospital, Hubei Province Hospital, Zhongshan Hospital, Tongji Hospital,Hubei provincial people's Hospital,Guilin 181 Hospital,the People' Hospital of Huzhou,The People' Hospital of Shaoyang.

Investigators plan to beginning their study August 2015 and end at July 2016. One hundred and eighty patients with ESWL postoperative residual stone will be enrolled in this study. By simple random sampling technique, all the patients will be assigned to the segment of natural stone row group or physical row of stone group, compared two groups of patients with stone clearance rate and complications, Investigators hope that through this test, improve stone clearance rate after ESWL.

Number:

180cases(90 cases in control group, 90 cases in EPVL group)

Grouping methods:

In this trial, investigators will use equilibrium randomization methods that generate random numerical code table, according to the table, patients are randomly assigned to different groups.

Evaluating indicator Stone-free rate in 4 weeks after ESWL. Incidence rate of complications and adverse reactions after EPVL(fever, hematuria, etc).

Trial method:

Examination before ESWL: blood routine, urine routine, renal function(Cre,BUN), coagulation function; intravenous pyelography(IVP) or CT (radiolucent calculus).

ESWL

Record: duration, frequency, voltage, times.

Method of control group(group1):

ESWL without EPVL; Reexamined by abdominal plain film(KUB) or CT (radiolucent calculus) right after ESWL;

After leaving hospital(without drugs), patients should follow the measures bellowed:

1. the amount of fluid intake is more than 2000ml/d

2. increase physical activity

3. rest in position on uninjured side, patients with lower renal calyx calculus need to invert body.

Method of EPVL group(group2):

Start the treatment of EPVL: the amount of fluid intake is about 1000-2000ml, start the treatment of EPVL when patent's bladder is filling; Reexamined by abdominal plain film(KUB) or CT(radiolucent calculus) right after EPVL;

Record: patients' date, treatment procedure and outcome;

After leaving hospital(without drugs), patients should follow the measures bellowed:

1. the amount of fluid intake is more than 2000ml/d

2. increase physical activity

3. rest in position on uninjured side, patients with lower renal calyx calculus need to invert body;

Follow up timing: return hospital respectively in 1,2 and 4 weeks after EPVL.

Follow up project Laboratory testing: routine urinalysis; Imaging examination: KUB or kidney CT scan (radiolucent calculus) Complications and adverse reactions. Data gathering Fill in follow up table data; Radiological images; IVP or kidney CT scan before ESWL; Reexamined by KUB (radiopaque calculus) or CT (radiolucent calculus) right after EPVL. If stones have been eliminated completely in patients with radiolucent calculus before or at the fourth week of follow-up, investigators must provide kidney CT scan. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT02643134
Study type Interventional
Source The First Affiliated Hospital of Guangzhou Medical University
Contact Guohua Zeng, PH.D and M.D
Phone +86 13802916676
Email gzgyzgh@vip.tom.com
Status Recruiting
Phase N/A
Start date August 2015
Completion date July 2016

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