- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02868697
Management of Tunneled Catheter Thrombosis in Hemodialysis Patients: Prospective Study From Qatar
Goal of the study:
A- To find out the best protocol for catheter lock solution to decrease the prevalence of catheter thrombosis
- - The time to first episode of catheter thrombosis lead to catheter change.
- - Number of acute episode of thrombosis that interrupt dialysis
- - Median Survival life of the catheter in both groups after adjusting it to the outcome.
B- Specific Objective: To evaluate the cost effectiveness by measure
1- Amount of r-TPA used in each group to treatment acute catheter thrombosis 2- Number of catheter exchange in both group 3- Hospitalization days related to catheter malfunctioning or CRI in each group 4- Type and days of antibiotics 5- Cost of the treatment in each group
c- Secondary Objective:
To correlate the result of two catheters lock solution protocols with the published data using r-TPA instead of heparin once week as compared with heparin 3 times per week as a locking solution.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This prospective single blind randomized controlled study. All patients who undergoing tunneled catheter regular hemodialysis in the three hemodialysis units and meet the inclusion criteria will be included in the study.
Signed informed consent will be taken from all patients or their first authorized relative.
All patients will be randomized on 1:1 basis using computer-generated program.Patients will be randomly assigned to lock the catheter post HD either with 1.35% taurolidine citrate (2H-1,2,4-thiadiazine-4,4'-methylenebis[tetrahydro-1,1,1',1'-tetraoxide], 4% citrate and 500 IU/ml heparin (TauroLock Hep500) (TauroPharmGmbH, www.tauropharm.de) at the end of of all Hemodialysis sessions and during all interdialytic periods or after the first two session only per week and during first two interdialytic periods then taurolidine citrate, 4% citrate /25000 IU unit urokinase (TauroLock U25000) at the end of third session before week end, (over the week end). The assigned nurse will flush the catheter after each session with 20 mL of saline then instill TauroLock according to the filling volume of the catheter. Before starting the next dialysis the lock solution has to be aspirated and discarded. Acute catheter thrombosis which interrupt the dialysis will be treated with r-TPA according to unit protocol, if this happen for three consecutive HD we will consider it as malfunction and we will refer it for catheter exchange . Any catheter will be referred to the vascular surgeon for exchange; we will not continue calculating its days as there might be a gap between referral's time and catheter exchange due admission problems. If the catheter is replaced, patient will continue on the same arm of the study.
Control Group:
We will lock the dialysis catheter post HD with TauroLock Hep500 at the end of of all Hemodialysis sessions and during all interdialytic periods.
Intervention Group:
We will lock the dialysis catheter post HD with TauroLock Hep500 at the end of the first two session only per week and during first two interdialytic periods then TauroLock U 25000at the end of third session before week end, (over the week end).
For episode of the acute catheter malfunctioning:-
The study coordinator will know the name of the patients who received interdialytic r-TPA from medication room then will collect the data from the patient's files. The study coordinator will follow the vascular census on daily bases to know all the patients who have catheter problems and will follow their status from dialysis and inpatient files.
For catheter related infection:-
If there is any episode of CRI, this will be documented in our infectious control file and the study coordinator will collect the data from in-patient file, dialysis file and medicom.
planned enrollment: 300 subjects
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
-
Doha, Qatar, 30550
- Fahd Bin Jassem Dialysis Centre
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 1- Adult patients aged>14 years 2- Undergoing HD through tunneled HD 3- Recently inserted or old tunneled catheter 4- Blood flow rate at the beginning of the study≥ 300ml/min
Exclusion Criteria:
- 1- Malfunctioning catheter defined by blood flow rate < 300ml/min 2- Known patient to have allergy to drug medication 3- Major Hemorrhage in previous 4 week
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: A
We will lock the dialysis catheter post HD with TauroLock Hep500 at the end of of all Hemodialysis sessions and during all interdialytic periods
|
1.35% taurolidine citrate (2H-1,2,4-thiadiazine-4,4'-methylenebis[tetrahydro-1,1,1',1'-tetraoxide], 4% citrate and 500 IU/ml heparin (TauroLock Hep500) (TauroPharmGmbH
|
Experimental: B
We will lock the dialysis catheter post HD with TauroLock Hep500 at the end of the first two session only per week and during first two interdialytic periods then TauroLock U 25000at the end of third session before week end, (over the week end).
|
taurolidine citrate, 4% citrate /25000 IU unit urokinase (TauroLock U25000
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of catheter thrombosis episodes
Time Frame: 6 months per patient
|
The time to first episode of catheter thrombosis lead to catheter change.
Number of acute episode of thrombosis that interrupt dialysis Median Survival life of the catheter in both groups after adjusting it to the outcome.
|
6 months per patient
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Amount of r-TPA used in each group for treatment of acute catheter thrombosis
Time Frame: 6 months
|
as above
|
6 months
|
Number of catheter exchange in each group
Time Frame: 6 months
|
6 months
|
|
Hospitalization days related to catheter malfunctioning or CRI in each group
Time Frame: 6 months
|
6 months
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 12180-12
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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