Please assess the completion status of the following clinical trial:

Trial Title: Impact of Preoperative Treatment of Anemia and Iron Deficiency in Cardiac Surgery on Outcome.

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

Eligibility Criteria:
Inclusion criteria:~* Patients undergoing valve- and/or coronary bypass surgery~* Signed patient informed consent~* Only patients will be enrolled who won't have an emergency surgery on the same day~Exclusion criteria:~* Participation in another clinical trial within the last 4 weeks prior to enrollment~* Addiction or other disease that did not allow the patient to assess the nature, scope and possible consequences of the clinical tial~* Patients who do not sign the consent form or may not fully understand from inadequate knowledge of German.~* Patients who have not reached the age of legal majority~* Pregnant or lactating women~* Jehovah's Witnesses~* Patients with endocarditis~* Existing allergy or intolerance to ferric carboxymaltose or mannitol

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

Study Arms:
- Anemia (Type: ACTIVE_COMPARATOR): Hb \< 120 g/L in women, Hb \< 130 g/L in men Erythropoietin/Ferric carboxymaltose/Vitamin B12/Folic Acid
- Iron deficiency (Type: ACTIVE_COMPARATOR): ferritin \< 100 µg/l Erythropoietin/Ferric carboxymaltose/Vitamin B12/Folic Acid
- Natural comparison group (Type: NO_INTERVENTION): Patients without anemia or iron deficiency will be observed and the same postoperative measurements performed

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