Please assess the completion status of the following clinical trial:

Trial Title: Treatment of Iron Deficiency Anaemia in Inflammatory Bowel Disease With Ferrous Sulphate

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~Patients with proven iron deficiency anaemia on World Health Organisation (WHO)criteria Patients aged 13 - 18 will be considered adolescents, and aged \>18 as adults.~Exclusion Criteria:~Anaemia caused by B12 or folate deficiency, or secondary to drugs used to treat IBD; haemoglobinopathies or myelodysplasia; severe cardiopulmonary, hepatic or renal disease; severe cardiopulmonary, hepatic or renal disease; pregnancy and breast feeding females.

- Gender: ALL
- Minimum Age: 13 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- Ferrous sulphate (Type: EXPERIMENTAL): Ferrous sulphate 200mg twice daily for 6 weeks

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