NCT03805542

Brief Summary

Calculous Pyonephrosis is a special type of urinary tract calculi, which is also common in clinical practice. If pyonephrosis is not treated in time, it will have a serious impact on the kidney function. Most stone operations can be performed in one stage, but there is still some controversy about whether PCNL can be performed in first stage for calculous pyonephrosis. The traditional idea is that nephrostomy should be performed first to induce pyuria caused by influenza, and then stone removal should be done in the second stage. However, I-stage nephrostomy and drainage and II-stage lithotripsy can also lead to prolonged hospitalization, increased medical costs and increased family burden. Based on the current treatment status of pyonephrosis patients, previous animal experimental results and volunteers' blood iodine absorption status, we intend to design a clinical trial of Stage-I percutaneous nephrolithotomy(PCNL) after iodophor disinfection of renal collecting system. Iodophor, also known as povidone iodine, is composed of iodine and polyol ether surfactants. Iodophor disinfectant is a disinfectant with iodine as its main ingredient. It has strong bactericidal power and broad antimicrobial spectrum. It can kill viruses, bacterial propagules, fungi, protozoa, etc. 0.5% iodophor disinfectant (containing effective iodine 5000mg/L) can form a very thin bactericidal film on the wound surface and release it slowly and persistently. At present, clinical studies on calculous pyonephrosis at home and abroad are mostly single-center, small sample studies, and lack of randomized controlled clinical trials. In view of the current situation and animal experimental results, we intend to carry out a clinical trial of "iodophor treatment of pyonephrosis and one-stage operation" in order to benefit patients with calculous pyonephrosis.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
93

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Aug 2019

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 9, 2019

Completed
6 days until next milestone

First Posted

Study publicly available on registry

January 15, 2019

Completed
7 months until next milestone

Study Start

First participant enrolled

August 1, 2019

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2020

Completed
Last Updated

August 7, 2019

Status Verified

July 1, 2019

Enrollment Period

1 year

First QC Date

January 9, 2019

Last Update Submit

August 4, 2019

Conditions

Keywords

calculous pyonephrosisI-stage PCNLiodophors

Outcome Measures

Primary Outcomes (2)

  • Incidence of SIRS(Systemic inflammatory response syndrome)

    Is there a statistical difference in the incidence of systemic inflammatory response syndrome between the control group and the experimental group?

    Day 3

  • Incidence of Urosepsis

    Is there a statistical difference in the incidence of urosepsis between the control group and the experimental group?

    Day 3

Study Arms (2)

Control group

NO INTERVENTION

I-stage nephrostomy(Double J stent placement under cystoscopy) and II-stage operation

I-stage operation group

EXPERIMENTAL

Disinfection of pelvis with 0.5% iodophors

Combination Product: 0.5% Iodophors

Interventions

0.5% IodophorsCOMBINATION_PRODUCT

Before lithotripsy, 0.5% iodophor 40 ml(depending on the degree of hydronephrosis) was used to perfuse the calculous side pelvis under low pressure for 5 minutes.

I-stage operation group

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age (\>18) at the time of admission;
  • Glomerular filtration rate (GFR) \> 30 ml/min
  • Upper urinary tract calculi with ipsilateral pyogenic infection of renal collecting system
  • No fear of cold and fever or low temperature(\<36°C) before operation;
  • According to the medical principle, PCNL treatment indications were given.
  • Leukocyte count was (4-12) 10\^9/l. (Note: The above conditions should be met at the same time.)

You may not qualify if:

  • Complicated with severe cardiopulmonary and cerebrovascular diseases, coagulation dysfunction, hypertension, diabetes, etc.
  • iodine allergy;
  • lonely kidney or transplanted kidney;
  • Pregnancy patients;
  • those with hyperthyroidism, hypothyroidism or abnormal thyroid function;
  • Other matters that are taboo for operation.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology

Wuhan, Hubei, 430030, China

Location

MeSH Terms

Conditions

Urolithiasis

Interventions

Iodophors

Condition Hierarchy (Ancestors)

Urologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital Diseases

Intervention Hierarchy (Ancestors)

Iodine CompoundsInorganic Chemicals

Study Officials

  • Xinguang Wang, M.A.

    Ph.D. Postgraduates

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Zhiqiang Chen, M.D.,Ph.D

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 9, 2019

First Posted

January 15, 2019

Study Start

August 1, 2019

Primary Completion

August 1, 2020

Study Completion

August 1, 2020

Last Updated

August 7, 2019

Record last verified: 2019-07

Data Sharing

IPD Sharing
Will not share

Locations