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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT02686580
Other study ID # 1510144
Secondary ID
Status Terminated
Phase Phase 3
First received
Last updated
Start date February 1, 2016
Est. completion date December 1, 2018

Study information

Verified date February 2016
Source Royal Devon and Exeter NHS Foundation Trust
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is designed to assess the effectiveness of porcine cross-linked collagen paste for the treatment of patients with ano-rectal abscess with underlying cryptoglandular fistula in ano.


Description:

Most anal fistulae are thought to arise as a result of the infection of anal glands. This infection frequently presents as an anorectal abscess which requires drainage of the abscess under a general anaesthetic. Abscess and fistula should be considered as the acute and chronic phase of the same anorectal infection.The abscess represents the acute inflammatory event, whereas the fistula is representative of the chronic process. At the time of drainage of the anorectal abscess, the underlying fistulas frequently go undetected. As a result, patients present with a fistula in ano several months later.

In this study, the investigators aim to identify the underlying fistula in patients with a perianal abscess with the help of an MRI Scan done in the acute setting. Participants with a confirmed fistula on the MRI scan have their abscess treated as per convention. However, a repeat examination under anaesthetic is performed 7-`10 days later when the fistula tract is identified and treated with injection of the porcine collagen paste into the fistula tract. Participants are followed up clinically and radiologically to assess the effectiveness of the intervention.


Recruitment information / eligibility

Status Terminated
Enrollment 2
Est. completion date December 1, 2018
Est. primary completion date October 1, 2018
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility - Inclusion Criteria:

o Clinical diagnosis of Cryptoglandular fistula in ano.

- Exclusion Criteria:

- Insulin dependent diabetes

- Thyroid disease

- Fistula secondary to Crohn's disease/Ulcerative Colitis

- Clinical or radiological evidence of secondary tracts.

- Complex fistula tracts on MRI scan such as Horseshoe fistula, anorectal-vaginal fistula

- Patients refusing informed consent for admission to the study.

- Previous fistulotomy/fistulectomy

- Pregnancy

- Patients unable to consent

- Patients not suitable for MRI scan those with- Cochlear implant, Permanent pacemaker, Implanted metal work, Aneurysm clips, Claustrophobia, Metallic foreign body

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
Collagen paste
Permacol cross-linked collagen paste, 2.5-3.5 mls to be injected into the MRI defined fistula tracts 7-10 days following drainage of the anorectal abscess.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Royal Devon and Exeter NHS Foundation Trust

Outcome

Type Measure Description Time frame Safety issue
Primary Fistula Healing rate at 3 months Healing of fistula as evidenced by MRI of the ano-rectum. 3 months
Primary Fistula Healing Rate at 12 months This will be assessed by a telephonic questionnaire at 12 months following intervention 12 months
Secondary Complication rate Any complications resulting from participation in the the trial will be assessed on clinical and telephonic follow up. Clavien and Dindo Classification will be used to assess the severity of complications. 12 months
Secondary Faecal Incontinence questionnaire (Wexner) To assess any adverse impact of intervention on continence At recruitment, 7-10 days, 6 weeks and 6 months
Secondary Faecal Incontinence quality of life questionnaire (FIQL) To assess the impact on the quality of life of the participants At recruitment, 7-10 days, 6 weeks and 6 months
Secondary Pain Score Visual analogue score At recruitment, 7-10 days, 6 weeks and 6 months
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