Please assess the completion status of the following clinical trial:

Trial Title: A Study of Subcutaneous Mircera for the Treatment of Anemia in Dialysis Patients.

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE3
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* adult patients \>=18 years of age;~* chronic renal anemia;~* on dialysis therapy for at least 12 weeks before screening;~* receiving sc epoetin for at least 8 weeks before screening.~Exclusion Criteria:~* women who are pregnant, breastfeeding or using unreliable birth control methods;~* administration of another investigational drug within 4 weeks before screening, or during the study period.

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

Study Arms:
- RO0503821 (1x/2 Weeks) (Type: EXPERIMENTAL): Eligible participants received RO0503821 (Mircera \[methoxy polyethylene glycol-epoetin beta\]) subcutaneously, once every two weeks for 52 weeks. Participants received a starting dose of RO0503821 60, 100, or 180 microgram (mcg) which was based on the epoetin dose of\<8000, 8000-16000, or \>16000 international units (IU)/week, administered during the week preceding the switch to the study drug.
- RO0503821 (1x/4 Weeks) (Type: EXPERIMENTAL): Eligible participants received RO0503821 subcutaneously, once every four weeks for 52 weeks. Participants received a starting dose of RO0503821 120, 200, or 360 mcg which was based on the epoetin dose of\<8000, 8000-16000, or \>16000 IU/week administered during the week preceding the switch to the study drug.
- Epoetin Reference (Type: ACTIVE_COMPARATOR): Eligible participants received their ongoing weekly subcutaneous dose of epoetin alfa or beta one, two or three times weekly for 52 weeks .

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