Status:

COMPLETED

Clinical Feasibility Study, Implantable Tibial Nerve Stimulator (ITNS)

Lead Sponsor:

Nine Continents Medical, Inc.

Collaborating Sponsors:

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Conditions:

Overactive Bladder

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

Study objectives: To report feasibility data for safety and effectiveness of the study device. Study device: Nine Continents Medical implantable tibial nerve stimulator (ITNS) model 9C-680 with progr...

Eligibility Criteria

Inclusion

  • At pre-screening:
  • Age 18 years or older;
  • Documented diagnosis of overactive bladder;
  • Documented failed behavioral intervention and/or physical therapy;
  • Documented failed first drug for overactive bladder; and
  • Documented failed second drug for overactive bladder.
  • At screening:
  • Life expectancy of at least one year;
  • Capable of tolerating the implantation procedure;
  • Ambulatory and able to use the toilet independently and without difficulty; and
  • Able to sense and tolerate posterior tibial nerve stimulation (transcutaneous test).
  • Based on pre-therapy voiding diary:
  • Average daily voids during waking hours ≥ 11;
  • Average daily voids interrupting sleep ≥ 2.0;
  • Average daily voids associated with urgency ≥ 4; or
  • Average daily incontinence episodes ≥ 1.

Exclusion

  • At pre-screening:
  • Predominant stress incontinence;
  • For females, pelvic organ prolapse quantification (POP-Q) ≥ grade II;
  • Neurologic disease, e.g. MS, Parkinson's;
  • Abnormal upper urinary tract function;
  • Neurogenic bladder;
  • Bladder stone or tumor;
  • Body mass index (BMI) \> 40;
  • Chronic pelvic pain;
  • Urinary fistula;
  • Peripheral neuropathy;
  • History of failed neuromodulation for overactive bladder;
  • Uncontrolled bleeding disorder;
  • End stage renal failure, glomerular filtration rate (GFR) \< 35, or dialysis;
  • Untreated diabetes or A1C \> 7;
  • Implanted pacemaker, defibrillator, or neurostimulator;
  • History of pelvic cancer within the past two years;
  • Condition requiring magnetic resonance imaging (MRI);
  • Condition requiring diathermy;
  • Metallic implant in planned site of study device;
  • For females, pregnant;
  • For females, planning to become pregnant;
  • For females, given birth in the last 6 months; or
  • For females, of child-bearing potential and not willing to practice a medically-approved method of birth control during the study.
  • At screening:
  • Anatomical restriction preventing device placement;
  • Skin lesions or compromised skin at the implant site;
  • For females, pelvic organ prolapse quantification (POP-Q) ≥ grade II;
  • Post-void residual \> 150 cc;
  • Urinary tract mechanical obstruction due to urethral stricture;
  • Urinary tract mechanical obstruction due to bladder neck contracture;
  • In males, urinary tract mechanical obstruction due to benign prostatic hyperplasia (BPH);
  • Vesicoureteral reflux;
  • Cystoscopic abnormalities that could be malignant;
  • Current cystitis;
  • Current urethritis;
  • Gross hematuria;
  • In females, positive pregnancy test;
  • Any other medical condition with potential effect on bladder function, as assessed by investigator; or
  • Any other medical condition that could compromise the safety of the subject, as assessed by investigator.

Key Trial Info

Start Date :

October 9 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

March 3 2021

Estimated Enrollment :

10 Patients enrolled

Trial Details

Trial ID

NCT04115228

Start Date

October 9 2019

End Date

March 3 2021

Last Update

April 12 2022

Active Locations (1)

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Pacific Urology

San Ramon, California, United States, 94583