Please assess the completion status of the following clinical trial:

Trial Title: Impact of Oral Antibiotic Treatment on C. Difficile

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* adult patients with microbiology-proven CDAD~* provides informed consent~* eligible to receive oral antibiotic therapy~Exclusion Criteria:~* prisoners~* pregnant women~* children \<18 years~* patients who have contra-indications for perianal swabs, those who has medical conditions that would invalidate the results of the swabs~* patients requiring intravenous therapy for treatment of CDAD~* patients who do not consent and those who withdraw consent

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

Study Arms:
- Fidaxomicin (Type: ACTIVE_COMPARATOR): 200 mg. 2 times a day for 10 days
- Metronidazole (Type: ACTIVE_COMPARATOR): 500 mg.orally 3 times daily for 10 days
- Vancomycin (Type: ACTIVE_COMPARATOR): 125 mg. orally 4 times a day for 10 days

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