Skip to content

Pre-market clinical study of General Stim, Inc. wireless NuStim Nerve Stimulation system

An exploratory prospective first-in-human clinical study of the effectiveness and safety of the NuStim system in improving the patients with stress urinary incontinence

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900025474
Enrollment
Unknown
Registered
2019-08-27
Start date
2018-05-01
Completion date
Unknown
Last updated
2019-09-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Stress Urinary Incontinence

Interventions

Case series:Patients with relatively stable symptoms of urinary incontinence will be implanted with the NuStim intervention to activate the nerve stimulation

Sponsors

China Rehabilitation Research Center, Beijing Boai Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
35 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1) Clinically symptomatic female patients with mild-to-moderate stress urinary incontinence (SUI) more than 6 months and male patients with post-prostatectomy SUI more than 1 year and with PSA<1.0ng/ml, both aged between 35 to 75 years old; 2) Patients with ineffective conventional noninvasive treatment and are considered suitable for Nustim system training; 3) Patients with voluntary participation in the study and with the informed consent signed by the patients or their legal guardians; 4) Patients who are able to communicate well with the researchers and with good adherence to the research protocols.

Exclusion criteria

Exclusion criteria: 1) Patients with a history of spinal cord injury, spinal cord dysplasia, etc.; 2) Patients with overactive bladder; 3) Patients with symptomatic urinary tract infections; 4) Patients with urinary incontinence who have undergone other surgical procedures (except prostatectomy) but have not recovered; 5) Patients with urethral stricture after male prostatectomy (residual urine volume greater than 100ml); 6) Patients with type III stress urinary incontinence caused by urethral muscular defects; 7) Patients with a history of neurodegenerative diseases and neuromuscular disorders; 8) Female patients with malignant pelvic organs, history of ovarian tumors, and gynecological benign tumors; 9) Patients with congenital perineal malformation or severe perineal trauma not associated with delivery; 10) Patients who have undergone bladder surgery for fecal incontinence surgery or fistula treatment, and can be sure that such surgery is associated with urinary incontinence; 11) Patients with coagulopathy; 12) Patients with immune system disorders; 13) Pregnant women, breast feeding women, or women having pregnancy plan during the study period; 14) Patients with epilepsy; 15) Patients with heart disease and acute infectious diseases; 16) patients with fever and abnormal blood pressure; 17) Patients with senile dementia, brain atrophy, acute phase of cerebrovascular disease, or patients with sequelae and cognitive impairment; 18) Patients with local or systemic bacterial infections that are not effectively controlled in the acute phase; 19) Patients in shock and severe disease who cannot be evaluated and cooperate with the operation; 20) Patients with mental and neurological disorders who cannot cooperate with the doctors; 21) Patients with constipation; 22) Women who have not given birth; 23) People with atopy and scar physique; 24) Patients who have participated in other clinical trials 3 months before the trial; 25) Patients who intend to change their daily behavioral habits and lifestyle during the trial; 26) Other circumstances that the investigators believe are inappropriate for participation in the study.

Design outcomes

Primary

MeasureTime frame
Changes of the 1-hour urinal pad test in the urinal pad weight at the end of 13-week, as compared to the baseline period ;Changes of the 24-hour urinal pad test in the frequency of urinal pad replacement and pad weight at the end of 13-week, as compared to the baseline period ;

Secondary

MeasureTime frame
Changes in the respondent’s quality of life and life satisfaction degree (measured by the quality of life questionnaire) at the end of 1 week, 3 weeks, 8 weeks and 13 weeks, compared with the base line period;Changes in the bladder diary of the respondents at the end of 1 week, 3 weeks, 8 weeks and 13 weeks (average 24-hour urination frequency, volume per void , urgency score, average 24-hour urine leakage improvement), compared with the base li;Changes in abdominal leak point pressure (ALPP includes VLPP and CLPP) in urine dynamics at the end of 8 weeks, 13 weeks/25 weeks, compared with the baseline;Changes in urethral pressure distribution profile inspection (UPP includes MUP and MUCP) at the end of 8 weeks, 13 weeks/25 weeks, compared with the baseline;Changes in the Patient Perception of Bladder Condition (PPBC) score at the end of the 13th week, compared to baseline ;Changes in pelvic floor electrophysiological tests at the end of 13 weeks/25 weeks, compared to baseline;Changes in the pelvic floor muscle strength score at the end of 13 weeks/25 weeks, compared to baseline;Changes of the 24-hour urinal pad test in urinal pad replacement frequency and weight at the end of 1 week, 3 weeks and 8 weeks, compared with the baseline in;

Countries

China

Contacts

Public ContactLimin Liao

China Rehabilitation Research Center, Beijing Boai Hospital

lmliao@163.com+86 13311268064

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026