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Clinical Trial Details — Status: Suspended

Administrative data

NCT number NCT01920607
Other study ID # RC13_0209
Secondary ID
Status Suspended
Phase N/A
First received August 8, 2013
Last updated June 23, 2017
Start date November 2013
Est. completion date August 2017

Study information

Verified date June 2017
Source Nantes University Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to compare 2 surgical treatments of severe fecal incontinence (defined as more than a major leak per week). The hypothesis of this "non-inferiority" trial is that magnetic anal sphincter is clinically as effective as SNS, but more cost-effective in managing fecal incontinence


Description:

Severe anal incontinence, defined as the uncontrolled passing of stool at least once a week, is a problem that has a serious impact on the quality of life. In the event of failure of conservative treatments, surgery can help improve continence problems in a significant number of cases.

Sacral nerve stimulation is currently the standard surgical treatment for severe anal incontinence when sphincter repair (sphincteroplasty) is not recommended.

A new method of treatment based on sphincter reinforcement through the implanting of a band of magnetic beads*, has proved to be reliable and efficient on a small series of cases, particularly after the failure of sacral nerve stimulation.

The aim of our trial, which compares the "magnetic anal sphincter* and sacral nerve stimulation" in a homogeneous population of patients affected by severe anal incontinence is to define the position of this new approach in the treatment algorithm of this functional disorder, determining its clinical and medical/economic advantages compared to those of the current standard treatment.

* FenixTM (Torax Medical)


Recruitment information / eligibility

Status Suspended
Enrollment 71
Est. completion date August 2017
Est. primary completion date December 2016
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria:

- Adult patient (male or female) of 18 to 75 years of age

- Affected by severe anal incontinence (SAI)*.

- Documented failure of conservative treatment (reeducation and medical treatment)

- With functional anal sphincter**

- Agrees to take part in the study and has signed the informed consent form

- Agrees to undergo post-operative surveillance for a period of one (1) year

- Covered by National Insurance

- Defined as follows: at least one involuntary passing of stool per week measured by collecting data on incontinence accidents on a 3-week stool record chart, with the continence problem developing over more than 6 months. **Defined as follows: external sphincter intact (without injury or after sphincter repair) or external sphincter altered, with an injury of a size that does not justify sphincter repair.

Internal sphincter injuries not taken into account (by professional consensus).

Exclusion Criteria:

- Anorectal or pelvic malformations

- Local conditions incompatible with the proposed sizes of the MAS (extreme obesity, thickness of the tissue in the anorectal area)

- Sequelae of rectal resections - presence of cancer of the rectum or anus

- Rectal prolapse and/or major pelvic floor disorders

- Major chronic disorder of the intestinal motility, irritable bowel syndrome, repeated faecalomas, megarectum

- Extensive sphincter degeneration

- Consequences of radiation-induced rectitis and chronic inflammatory diseases of the bowel (Crohn's disease)

- Neurological disorders or systemic diseases (multiple sclerosis, scleroderma, paraplegia)

- Festering sores of the perineal and/or anorectal regions

- Known or suspected risks of allergy to titanium

- Active pelvic infection

- Contraindications to SNS:

- Cardiac stimulator or defibrillator implant

- Malformation of the sacrum

- Patient exposed to Magnetic Resonance Imaging

- Skin diseases exposing the patient to the risk of infection (at the investigator's discretion)

- Patient scheduled for diathermy or ablation by radiofrequency

- Pregnant women

- Adults under guardianship

- Patients involved in a mobility project in the year following the operation

- Patient already subjected to one or other of the therapeutic approaches (MAS or SNS) Please note: coagulation problems (including anti-aggregant or anti-coagulant treatments) are not a contraindication if these problems can be corrected during the perioperative period.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
magnetic anal sphincter

sacral nerve stimulation


Locations

Country Name City State
France Nantes University Hospital Nantes

Sponsors (1)

Lead Sponsor Collaborator
Nantes University Hospital

Country where clinical trial is conducted

France, 

References & Publications (1)

Wong MT, Meurette G, Wyart V, Lehur PA. Does the magnetic anal sphincter device compare favourably with sacral nerve stimulation in the management of faecal incontinence? Colorectal Dis. 2012 Jun;14(6):e323-9. doi: 10.1111/j.1463-1318.2012.02995.x. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Average number of fecal incontinence episodes Average number of fecal incontinence episodes per week over a period of 3 weeks, 6 months after the implantation of a magnetic anal sphincter (FenixTM magnetic anal sphincter group) or of the Spinelli electrode during the PNE test (sacral nerve stimulation group), on the basis of a standardised stool diary 6 months
Secondary Overall cost for the health care system Overall cost for the health care system including implantation and follow-up - Duration and cost of hospital admissions,- Cost of covering any complications arising 12 months
Secondary Respective complications of the two therapeutic approaches Number and nature of the complications over 12 months, according to the Clavien-Dindo classification 12 months
Secondary Functional results at 6 and 12 months, compared with baseline Stool record chart, faecal incontinence score (Wexner), recourse to antidiarrhoeal treatment, the taking of analgesics, constipation score (ODS), recourse to a treatment for constipation Baseline, 6 & 12 months
Secondary Quality of life and overall satisfaction Quality of life and overall satisfaction of the patient at 6 and 12 months, compared with baseline:Quality of life score specific to faecal incontinence (FIQL), General quality of life scores (SF 36 and EQ-5D) Baselnie, 6 & 12 months
Secondary Anorectal manometry data Sphincter pressure at rest, voluntary contractions, rectal maximum tolerable volume. Baseline & 6 months
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