Please assess the completion status of the following clinical trial:

Trial Title: Efficacy of an Anorectal Fistula Plug With Sealing of the Internal Opening as a Treatment for Perianal Fistula

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

Eligibility Criteria:
Inclusion Criteria:~* Patients who are psychologically stable and suitable for intervention and able to provide informed consent~  * Patients who are willing and competent to fill in questionnaires and undergo investigations at various time points during the study~ * Patients with an idiopathic extra and trans-sphincteric perianal fistula.~Exclusion Criteria:~* Patients aged less than 18 or \>80 years.~* Patients unfit to undergo general or spinal anaesthesia.~* Patients with a supra-levator fistula.~* Patients with a rectovaginal fistula.~* Patients with inflammatory bowel disease (Crohn's disease, ulcerative colitis).~* Patients with a fistula secondary to trauma, foreign body, developmental cyst or pelvic irradiation.~* Patients who are immunosuppressed.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- investigational arm (Type: EXPERIMENTAL): None

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