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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01493401
Other study ID # 2009-11-068
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date February 2010
Est. completion date January 2016

Study information

Verified date November 2019
Source Samsung Medical Center
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Female urinary incontinence (UI) can be caused by pure stress UI (SUI), pure urgency UI (UUI) and mixed SUI and UUI (MUI). Clinically it might not be that easy to separate MUI and SUI. Patients might perceive urgency when they have an incompetent urethra and a full bladder.

Urinary tract nerve growth factor (NGF)is produced by bladder urothelium and smooth muscle. Increased levels of NGF have been reported in the bladder tissue and urine of patients with overactive bladder (OAB).

If the urinary levels of NGF differ among women with pure SUI and MUI, then urinary NGF level might be a biomarker in the differential diagnosis of MUI in women.

Also, decreased urinary NGF level was reported in OAB patients of whom the symptoms were improved. So, we might expect that the remnant OAB symptom including urgency incontinence can be improved, if the urinary NGF levels decrease after midurethral slings for SUI in MUI patients.

We aimed to explore the value of the urinary NGF as a biomarker for differential diagnosis and as a prognostic marker for predicting the improvement of OAB symptom after midurethral slings.


Recruitment information / eligibility

Status Completed
Enrollment 137
Est. completion date January 2016
Est. primary completion date October 2015
Accepts healthy volunteers No
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Women aged 18 or over 18 years with MUI for 3 or over 3 months

- Proven SUI by urodynamic study (UDS)or stress test

- Abdominal leak point pressure (ALPP)of 120 or less than 120cmH2O in UDS

- Symptoms verified using 5 day bladder diary as below i) number of urgency incontinence; 3 or more than 3/5days ii) number of micturition; 8 or more than 8/24hrs iii) number of urgency; 2 or more than 2/24hrs

- Women who cannot be pregnant or do not have plan to be pregnant

- Ability and willingness to correctly complete the micturition diary and questionnaire

- Capable of understanding and having signed the informed consent form after full discussion of the research nature of the treatment and its risks and benefits

Exclusion Criteria:

- The subject has WBC?3, Albumin?+1, Nit ?+1 upon urinalysis

- On an unstable dosage of any drug with anticholinergic side effects, or expected to start such treatment during the study

- Patient has a significant pelvic orgen prolapse (POP) of ICS Stage 3 or over 3.

- Patients with combined POP surgery.

- Patients with bladder outlet obstruction on UDS or physical exam

- Patients with detrusor underactivity

- Diagnosed or suspected interstitial cystitis or bladder cancer

- History of radiation therapy on pelvic cavity

- Patients with neurologic condition which can affect lower urinary tract function

- History of urogenical malignancy within recent 2 years

- Treatment within the 14 days preceding enrollment, or expected to initiate treatment during the study with:

i)Any anticholinergic drugs and any drug treatment affecting lower urinary tract function Estrogen treatment started more than 2 months prior to inclusion is allowed. ii) electrostimulation, bladder training, electromagnetic treatment

- Patient is on anti-coagulation therapy.

- Any other condition which, in the opinion of the investigator, makes the patient unsuitable for inclusion

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Midurethral slings (MUS)
Retropubic, Transobturator, and Single incision MUS can be used.

Locations

Country Name City State
Korea, Republic of The Catholic University of Korea College of Medicine, Bucheon St. Mary's Hospital Bucheon
Korea, Republic of Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul

Sponsors (1)

Lead Sponsor Collaborator
Samsung Medical Center

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type Measure Description Time frame Safety issue
Primary Difference in the baseline urinary NGF level between patients with and without urgency incontinence at 6 months after midurethral slings 6 months after midurethral slings
Secondary Baselinec cut-off value of urinary NGF level which can predict the patients whose urgency incontinence will be cured and whose urgency incontinence will not be cured. 6 months after midurethral slings
Secondary Difference in urinary NGF level between pure SUI and MUI patients Baseline
Secondary Changes in OAB symptoms (including urgency incontinence) and SUI after midurethral slings 2 and 6 months after midurethral slings
Secondary Correlation between changes in urinary NGF and OAB symptoms (including urgency incontinence) after midurethral slings 2 and 6 months after midurethral slings
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