Please assess the completion status of the following clinical trial:

Trial Title: Feasibility Study to Assess the Early Use of Porcine Cross-linked Collagen Paste in Cryptoglandular Anorectal Fistulas

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE3
- Number of Arms: 1.0

Eligibility Criteria:
* 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

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Collagen paste (Type: EXPERIMENTAL): Injection of Permacol Collagen paste into the fistula tract.

Based on this trial design, predict the completion outcome and termination type (if applicable).