Please assess the completion status of the following clinical trial:

Trial Title: Iron Substitution After Upper Gastro-Intestinal Bleeding

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

Eligibility Criteria:
Inclusion Criteria:~* Acute upper gastrointestinal bleeding~* Anemia~Exclusion Criteria:~* Liver disease~* Terminal cancer~* Kidney disease~* variceal bleeding~* Pregnancy

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

Study Arms:
- Intravenous iron (Type: ACTIVE_COMPARATOR): None
- Oral iron (Type: ACTIVE_COMPARATOR): None
- Isotonic Sodium and placebo tablets (Type: PLACEBO_COMPARATOR): None

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