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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02723279
Other study ID # 201512ZYSUFS
Secondary ID
Status Completed
Phase N/A
First received March 24, 2016
Last updated July 27, 2017
Start date April 2016
Est. completion date March 2017

Study information

Verified date July 2017
Source Shanghai Institute of Acupuncture, Moxibustion and Meridian
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to compare the efficacy of electrical pudendal nerve stimulation (EPNS) and Tolterodine Tartrate in patients with urgency-frequency syndrome.


Description:

Tolterodine Tartrate is one of the first-line medications in treatment of Urgency-frequency syndrome (UFS) patients. It is reported to reduce frequency urgency and nocturia and urinary leakage in patients with UFS. However dry mouth and constipation are the most frequently reported adverse events. In other reports blurred vision and increased heart rate are also reported. The side effects limit its application.

Electrical neuromodulation has proved to be valuable in patients with UFS with little adverse effect. The investigators have previously reported electrical pudendal nerve stimulation (EPNS) alone has long term effect in treatment of UFS in women patients. EPNS is developed by combining the advantages of pudendal nerve stimulation (PNS) and percutaneous tibial nerve stimulation (PTNS), and incorporating the technique of deep insertion of long acupuncture needles. Because pudendal nerve (PN) afferents are particularly important for the inhibitory effect on the voiding reflex and SNS only excites part of PN afferents, direct PN stimulation may be more effective. PNS can be used to treat UFS refractory to SNS, but this therapy also has the disadvantages similar to those of SNS. PTNS is minimally invasive, demonstrates efficacy, and is easily applicable and well tolerated, but the results of chronic PTNS treatment are unknown in initially successful patients and PTNS effects diminish over time.

In EPNS, long acupuncture needles of 0.40 Х 100 or 125 mm were deeply inserted into four sacral points and electrified to stimulate the pudendal nerves. CT transverse plane at the coccygeal apex has showed that the position of the lower needle tip is similar to where (adjacent to PN at Alcock's canal) the Bion device is implanted for chronic PN stimulation. Besides the radiographic evidence, simultaneous records of perineal ultrasonographic PFM contraction, vaginal pressure and pelvic floor surface electromyogram in the investigators previous study have proved that EPNS can exactly excite PN. The investigators previous study has also proved that EPNS has a good post-treatment effect on UFS in women. The purpose of the present study is to show the long-term efficacy of EPNS for UFS in women.


Recruitment information / eligibility

Status Completed
Enrollment 120
Est. completion date March 2017
Est. primary completion date October 2016
Accepts healthy volunteers No
Gender Female
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria:

- Urgency with a documented daytime frequency of more than eight voids and/or nocturia of more than one void.

Exclusion Criteria:

- Age <18 years,or >80 years;

- Urinary tract infections based on results of urinalysis or urine culture;

- Painful bladder syndrome manifested by suprapubic pain related to bladder filling accompanied by frequency and other diseases (including interstitial cystitis, neurogenic bladder, bladder tumor, and vesical calculus)

- Causative of urgency and frequency confirmed by physical examination, B-scan ultrasonography.

urodynamic study, cystoscopy, and radiography

Study Design


Intervention

Behavioral:
EPNS
Electrical pudendal nerve stimulation Four sacral points are selected. The two upper points are located about 1 cm bilateral to the sacrococcygeal joint. On the upper points, a needle of 0.40 ? 100 mm is inserted perpendicularly to a depth of 80 to 90 mm to produce a sensation referred to the urethra or the anus. The locations of the two lower points are about 1 cm bilateral to the tip of the coccyx. On the lower points, a needle of 0.40 ? 100 or 125 mm is inserted obliquely towards the ischiorectal fossa to a depth of 90 to 110 mm to produce a sensation referred to the urethra. After the sensation referred to the above regions is produced, each of two pairs of electrodes from a G6805-2 Multi-Purpose Health Device is connected with the two ipsilaterally inserted needles.
Drug:
TT
Tolterodine tartrate (GSK, UK) 4mg per day is taken orally for six weeks

Locations

Country Name City State
China Shanghai research institute of acupuncture and meridian Shanghai

Sponsors (2)

Lead Sponsor Collaborator
Shanghai Institute of Acupuncture, Moxibustion and Meridian RenJi Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Lower urinary tract syndrome score International Consultation on Incontinence Questionnaire-Female Lower Urinary Tract Symptoms (ICIQ-FLUTS) is used 6 weeks
Primary Quality of life score International Consultation on Incontinence Questionnaire-Quality of life (ICIQ-qol) is used 6 weeks
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