Please assess the completion status of the following clinical trial:

Trial Title: Mesalamine Pellet to Maintain Remission of Mild to Moderate Ulcerative Colitis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Confirmed diagnosis of ulcerative colitis and in remission for at least 1 month~* Greater than 18 years of age~Exclusion Criteria:~* Allergy/intolerance to aspirin, mesalamine, or other salicylates~* Prior bowel surgery other than appendectomy~* Pregnancy, at risk of pregnancy, or lactating~* HIV or hepatitis B or C

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

Study Arms:
- 1 (Type: ACTIVE_COMPARATOR): Mesalamine pellets
- 2 (Type: PLACEBO_COMPARATOR): Placebo

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