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NCT Number: NCT07641218

Pilot Study of the ARTUS® Artificial Urinary Sphincter on Women

The subjects will be implanted with the ARTUS® medical device and then be followed up to 2 years post-implantation, with the primary endpoints measured at 3-month post-implantation. Safety and Clinical performance outcomes will be measured for each subject at baseline (before implantation) and post-implantation.

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Key information

Age range

18 year and older

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

Cochin Hospital, APHP, Paris, France

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Female subject over 18 years of age at the time of consent signature
  • Subject with persistent severe urinary incontinence:
  • at least 3 months after failed pelvic floor muscle training OR
  • at least 6 months after a failed surgical treatment (e.g. slings)
  • Subject with severe Stress Urinary Incontinence, defined as a mean value of 3 consecutive 24-hour Pad Weight Test > 100 grams
  • Subject willing and able to provide written informed consent and having signed the informed consent
  • Subject having understood and accepted to be unable to proceed to an MRI examination after the surgical procedure due to the non-MRI compatibility of the device
  • Subject having a life expectancy ≥ 5 years as assessed by the investigator

Exclusion criteria

  • Subject currently enrolled or plans to participate in another investigational study of a drug, biologic, or medical device from the point of enrolment through the 12 months post device activation period
  • Subject deprived of liberty by administrative or judicial decision or under legal guardianship
  • Subject who is unwilling or deemed by the investigator to be unwilling to comply with the clinical study requirements, including attending follow-up visits.
  • Subject having inadequate cognitive or capabilities to use the Artus device as assessed by the investigator
  • Pregnant subject, or subject willing to be pregnant during the study duration, or subject of child-bearing potential with non-stable medication contraception
  • Subject with urge incontinence due to hyperactive bladder not adequately controlled by drug therapy
  • Subject with overflow urinary incontinence
  • Subject with Significant Neuro-urological disorders: elevated detrusor pressure, Detrusor sphincter desinergy
  • Subject with history of pelvic radiotherapy
  • Subject with any planned procedure requiring urethral catheterization 12 months after implant procedure (include intermittent catheterization) except for diagnostic purposes
  • Subject with known allergy to any components of the device
  • Subject with history of Artificial Urinary Sphincter
  • Subject with severe congenital or acquired haemorrhagic disease, haemophilia, or another coagulopathy
  • Subject under anti-coagulation or anti-platelet medication that cannot be discontinued at least 5 days prior to surgery and restarted at least 5 days after surgery
  • Subject having a Body Mass Index (BMI) > 40
  • Subject with uncontrolled diabetes, defined as HbA1c > 9.0% within the past 6 months
  • Subject with history of urethral fistula
  • Subject with history of bladder tumor
  • Subject with severe urethral stenosis.
  • Subject with currently active infection, including urinary tract infection
  • Subject with severe renal failure or obstructive pathologies of the upper urinary tract with severe renal failure
  • Subject with congenital or acquired immunodeficiency, including those who are immunocompromised or immunosuppressed
  • Subject with post void residual volume greater than 200 mL within the past 6 months
  • Subject with history of recurrent bladder stones or history of failed bladder stone treatment within the past 12 months
  • Subject in emergency situation (caused by a sudden life threatening or other sudden serious medical condition including but not limited to heart attack, stroke, coma, epileptic seizure, heavy bleeding, severe pain, trouble breathing…)

Treatment and study plan

Artificial Urinary Sphincter ARTUS

Device

The subjects will be implanted by the ARTUS Artificial Urinary Sphincter (AUS). The device will be activated 6 weeks after surgery and the tightening will be adjusted by the investigators in order to reach continence.

Primary outcomes

  1. Adverse Device Effect Incidence

    Time frame: 3 months after implantation

    all adverse device effects (device and/or procedure related) occurring from the implantation up to the 3 months post-operative visit, with their occurrence, severity, and nature. These events will be analyzed and classified using the Clavien-Dindo classification grading system.

Secondary outcomes

  1. Adverse Events Incidence

    Time frame: Day 30, 3 months, 6 months, 12 months and 24 months after implantation

    all adverse events (including adverse device effect) occurring peri-operatively, 30 days after implantation and at 3, 6, 12 and 24-months post-operative with their occurrence, severity, and nature. All adverse events will be analyzed and classified using the Clavien-Dindo classification grading system

  2. Revision Rate

    Time frame: 30 days, 3 months, 6 months, 12 months and 24 months after implantation

    Proportion of subjects with a revision of the Artificial Urinary Sphincter

  3. Explantation Rate

    Time frame: Day 30, 3 months, 6 months, 12 months and 24 months after implantation

    Proportion of subjects with a definitive explantation of the Artificial Urinary Sphincter

  4. Evolution of Renal Function

    Time frame: Baseline, Day 1

    Measure of the serum creatinine

  5. Evolution of the pain

    Time frame: Day 1, Day 45, 3 months, 6 months, 12 months and 24 months after implantation

    Measure of the pain using a 10-point numerical scale (from 0 no pain to 10 the maximum pain)

  6. Evolution of uroflowmetry

    Time frame: Baseline, 3 months after implantation

    measure of the voided urine per unit of time, the voided volume and the maximum flow rate

  7. Bladder Drainage

    Time frame: Baseline, Day 1, 3 months, 6 months, 12 months and 24 months after implantation

    measure of the post-void residual volume

  8. Device Deficiency

    Time frame: Implantation, Day 1, Day 45, 3 months, 6 months, 12 months, 24 months after implantation

    Number of device deficiencies

  9. Pad Weight Test

    Time frame: Baseline, 3 months, 6 months, 12 months and 24 months after implantation

    Measure of the daily urine loss in pads during 3 consecutive days

  10. Pads Usage

    Time frame: Baseline, Day 45, 3 months, 6 months, 12 months and 24 months after -implantation

    Number of pads used per day

  11. Evolution of Stress Urinary Symptoms

    Time frame: Baseline, 3 months, 6 months, 12 months and 24 months after implantation

    Evolution of the International Consultation on Incontinence Questionnaire - Urinary Incontinence Short Form (ICIQ-UI SF). The score ranges from 0 (no impact) to 21 (maximal impact).

  12. Evolution of Urinary Symptoms

    Time frame: Baseline, 3 months, 6 months, 12 months, 24 months after implantation

    Evolution of the Urinary Symptom Profile (USP). The score ranges from 0 (no symptom) to 9 (maximal symptoms) for the subscore linked to the Stress Urinary Incontinence; from 0 (no symptom) to 21 (maximal symptoms) for the subscore linked to the overactive bladder; from 0 (no symptom) to 9 (maximal symptoms) for the subscore linked to the dysuria.

Study contacts

Contact information is provided by the study sponsor or research team.

Federica Azzimonti

CONTACT

[email protected]

Jean-Christophe PERLES

CONTACT

[email protected]

+33 04 42 95 12 20

Sponsors and collaborators

Lead sponsor

Myopowers Medical Technologies France SAS

Industry

Registry information

Official study title

Pilot Clinical Investigation of the ARTUS® Artificial Urinary SPHincter (AUS) for the Treatment of Stress UrInary iNcontinence (SUI) in Women

Acronym: SPHIN-X

Important dates

Study start
2026
Primary completion
2027
Study completion
2028
First posted
Jun 11, 2026
Registry last updated
Jun 11, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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